54.9F
Current conditions from King Hill
Updated every 5 minutes
 
  Thursday October 1, 2020

Westford: September 2020
LOCAL CLIMATOLOGICAL DATA Monthly Summary
September 2020
Station: Westford Latitude: 44° 37' 38" N Longitude: 73° 02' 29" W Elevation (ground): 850 feet Time Zone: Eastern +--+-------------------------------+----+---------+---------+--+-----------+--------------------+-----------------------------+------+ | | Temperature | |Deg. Days|Precip Ty| | Precip | Pressure | Wind |Solar | | +------+------+------+------+---+ Hu-+----+----+1 fog | S+-----+-----+ Adj. to Sea Level +----+----+---+-------+-------+------+ | | M | M | A | | |mid-| H | C |2 hvy fog| n| | Ice +------+------+------+ Avg| Res|Res| Peak |2Minute| Mean | | | a | i | v | | D | ity| e | o |3 thunder| o|Water| plts| | | | | | +---+---+---+---+ W | | | x | n | e | | e | | a | o |4 ice plt| w| | | | | | S | S | | S | | S | | a | | D| i | i | r | M | w | M | t | l |5 hail | | E | S | | | M | p | p | | p | | p | | t | | a| m | m | a | e | | e | i | i |6 glaze | C| q | n | M | M | e | e | e | D | e | D | e | D | t | | t| u | u | g | a | P | a | n | n |7 duststm| v| u | o | a | i | a | e | e | i | e | i | e | i | s | | e| m | m | e | n | t | n | g | g |8 smk, hz| r| v | w | x | n | n | d | d | r | d | r | d | r | m² | | | | | | | | | | |9 blw snw| | | | | | | | | | | | | | | | 1| 2 | 3 | 4A | 4B | 5 | 6 | 7 | 8 | 9 |10| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18| 19| 20| 21| 22| 23 | +--+------+------+------+------+---+----+----+----+---------+--+-----+-----+------+------+------+----+----+---+---+---+---+---+------+ |01| 74.0 | 50.0 | 62.0 | 63.0 | 58| 85| 3| 0|.........| 0| 0.00| 0.0| 30.09| 29.99|30.048| 1.0| 1.0|177| 15|SSE| 7|179| 100 | |02| 73.0 | 60.7 | 66.8 | 66.5 | 63| 88| 0| 2|.........| 0| 0.15| 0.0| 29.99| 29.60|29.780| 2.5| 2.4|179| 28|SSE| 10|177| 78 | |03| 75.6 | 57.7 | 66.7 | 65.3 | 60| 84| 0| 2|.........| 0| 0.01| 0.0| 29.80| 29.62|29.720| 0.4| 0.3|213| 9| S| 4|265| 185 | |04| 73.4 | 53.5 | 63.5 | 64.0 | 55| 75| 1| 0|.........| 0| 0.14| 0.0| 29.97| 29.60|29.790| 2.6| 2.4|240| 18| SW| 9|272| 202 | |05| 69.0 | 47.8 | 58.4 | 57.4 | 52| 83| 6| 0|..3......| 0| 0.04| 0.0| 30.10| 29.97|30.049| 1.1| 1.0|220| 17|SSW| 9|268| 197 | | | | | | | | | | | | | | | | | | | | | | | | | | |06| 72.0 | 46.3 | 59.2 | 56.8 | 51| 82| 6| 0|.........| 0| 0.03| 0.0| 30.17| 30.07|30.120| 0.6| 0.5|244| 13| SW| 6|258| 203 | |07| 74.4 | 46.7 | 60.6 | 64.2 | 56| 77| 4| 0|.........| 0| 0.00| 0.0| 30.07| 29.84|29.927| 3.7| 3.7|181| 33|SSE| 13|187| 106 | |08| 78.2 | 60.0 | 69.1 | 67.1 | 62| 84| 0| 4|.........| 0| 0.00| 0.0| 30.18| 29.96|30.068| 0.7| 0.5|190| 17|SSE| 7|177| 133 | |09| 78.5 | 53.6 | 66.1 | 64.6 | 60| 87| 0| 2|.........| 0| 0.00| 0.0| 30.27| 30.16|30.216| 0.4| 0.4|256| 12| W| 7|268| 191 | |10| 79.5*| 52.8 | 66.2 | 62.7 | 60| 91| 0| 2|.........| 0| 0.02| 0.0| 30.26| 30.13|30.175| 1.3| 0.3|266| 15|SSE| 8|271| 126 | | | | | | | | | | | | | | | | | | | | | | | | | | |11| 61.0 | 40.4 | 50.7 | 50.8 | 47| 87| 14| 0|.........| 0| 0.00| 0.0| 30.34| 30.18|30.267| 0.4| 0.4|329| 11|NNW| 4|277| 109 | |12| 70.6 | 36.9 | 53.8 | 52.8 | 47| 83| 11| 0|.........| 0| 0.00| 0.0| 30.36| 30.13|30.266| 0.5| 0.4|187| 13| SW| 5|223| 199 | |13| 70.0 | 52.1 | 61.0 | 60.9 | 56| 84| 4| 0|.........| 0| 0.45| 0.0| 30.13| 29.84|29.955| 4.4| 4.3|180| 34|SSE| 11|177| 113 | |14| 61.5 | 41.7 | 51.6 | 54.4 | 49| 83| 13| 0|.........| 0| 0.00| 0.0| 30.28| 29.88|30.111| 2.0| 1.9|266| 25| W| 11|277| 144 | |15| 59.0 | 34.9 | 47.0 | 47.4 | 42| 83| 18| 0|.........| 0| 0.00| 0.0| 30.35| 30.15|30.268| 0.2| 0.1|213| 9| W| 5|237| 146 | | | | | | | | | | | | | | | | | | | | | | | | | | |16| 69.5 | 49.1 | 59.3 | 58.7 | 47| 67| 5| 0|.........| 0| 0.00| 0.0| 30.15| 29.87|29.987| 4.6| 4.5|181| 32|SSE| 14|178| 152 | |17| 62.8 | 42.2 | 52.5 | 55.3 | 50| 84| 12| 0|.........| 0| 0.00| 0.0| 30.05| 29.89|29.986| 0.8| 0.6|195| 22|SSE| 8|178| 79 | |18| 58.8 | 34.9 | 46.8 | 45.4 | 38| 79| 18| 0|.........| 0| 0.01| 0.0| 30.23| 30.04|30.108| 0.6| 0.5|332| 18| N| 7| 11| 175 | |19| 54.9 | 30.1 | 42.5*| 41.1 | 34| 77| 22| 0|.........| 0| 0.00| 0.0| 30.43| 30.22|30.339| 0.5| 0.5|278| 12|WSW| 6|258| 165 | |20| 56.8 | 30.6 | 43.7 | 42.6 | 35| 79| 21| 0|.........| 0| 0.00| 0.0| 30.59| 30.43|30.531| 0.5| 0.4|287| 13| W| 7|272| 178 | | | | | | | | | | | | | | | | | | | | | | | | | | |21| 62.1 | 29.2*| 45.7 | 43.4 | 37| 80| 19| 0|.........| 0| 0.00| 0.0| 30.62| 30.37|30.533| 0.3| 0.3|268| 11|WNW| 6|275| 165 | |22| 61.7 | 30.9 | 46.3 | 46.0 | 40| 82| 18| 0|.........| 0| 0.02| 0.0| 30.37| 29.85|30.119| 0.4| 0.3|308| 11|NNW| 5|271| 157 | |23| 71.4 | 42.4 | 56.9 | 57.1 | 51| 82| 8| 0|.........| 0| 0.00| 0.0| 29.85| 29.74|29.776| 1.0| 0.9|246| 15|WNW| 7|273| 115 | |24| 73.5 | 51.7 | 62.6 | 59.8 | 55| 86| 2| 0|.........| 0| 0.00| 0.0| 29.97| 29.81|29.871| 0.8| 0.6|215| 14| S| 6|186| 131 | |25| 73.0 | 49.7 | 61.3 | 57.9 | 54| 89| 3| 0|.........| 0| 0.00| 0.0| 30.09| 29.97|30.028| 0.1| 0.1|220| 7|WSW| 3|241| 88 | | | | | | | | | | | | | | | | | | | | | | | | | | |26| 78.6 | 52.3 | 65.4 | 65.4 | 57| 77| 0| 1|.........| 0| 0.00| 0.0| 30.03| 29.89|29.968| 1.8| 1.8|181| 20|SSE| 8|181| 143 | |27| 76.8 | 63.6 | 70.2*| 68.6 | 63| 82| 0| 6|.........| 0| 0.00| 0.0| 29.92| 29.79|29.849| 3.7| 3.6|180| 28| S| 12|187| 108 | |28| 76.4 | 62.3 | 69.3 | 67.4 | 65| 91| 0| 4|.........| 0| 0.14| 0.0| 29.86| 29.74|29.785| 1.0| 1.0|173| 16| S| 7|171| 66 | |29| 73.3 | 54.7 | 64.0 | 63.6 | 60| 90| 1| 0|.........| 0| 0.40| 0.0| 29.80| 29.67|29.746| 2.4| 1.8|192| 24| S| 10|182| 53 | |30| 60.6 | 51.5 | 56.0 | 54.0 | 51| 91| 8| 0|.........| 0| 2.14| 0.0| 29.68| 29.35|29.523| 2.1| 1.5|232| 19|SSE| 9|260| 62 | +--+------+------+------+------+---+----+----+----+---------+--+-----+-----+------+------+------+----+----+---+---+---+---+---+------+ | Sum | Sum |------|------|---|----| Ttl| Ttl| |Total|Total| For the month: | ---- | +------+------+------+------+---+----+----+----+ Number of +-----+-----+------+------+------+----+----+---+---+---+---+---+------+ |2079.9|1410.3|------|------|---|----| 217| 23| Days | 3.55| 0.0| 30.62| 29.38|30.133| 1.4| 1.0|203| 34|SSE| 14|178| ---- | +------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+---+---+---+---+------+ | Avg | Avg | Avg | Mean |Avg| Avg|----|----|Precip | Season Ttl| Date | Date |------|----|----|---| Date | Date | Avg | +------+------+------+------+---+----+----+----+ +-----+-----+------+------+------+----+----+---+-------+-------+------+ | 69.3| 47.0| 58.2 | 57.5 | 52|83.1|----|----|≥.01 Inch 12|34.78| 0.0| 21 | 30 |------|----|----|---| 13 | 16 | 136| +------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+-------+-------+------+ | | Season |Snow, Ice | | | | Number of Days | to Date |≥1.0 Inch 0| Greatest in 24 Hours and Dates | Greatest Depth on Ground | +------------------+-----------------+----+----+------------+--------------+-----------------+ of Snow, Ice Pellets or Ice | | Max Temperature | Min Temperature | 258| 499|Thunder 1|Precipitation | Snow, Ice Plts | and Date | +--------+---------+--------+--------+----+----+------------+-------+------+---------+-------+-------------+----------------------+ | ≥90°F | ≤32°F | ≤32°F | ≤0°F |----|----|Heavy Fog 0| 2.53| 29-30| 0.0 | - | 0 | - | +--------+---------+--------+--------+----+----+------------+-------+------+---------+----+--+-------------+----------------------+ | 0 | 0 | 4 | 0 |----|----| Clear 8 Partly Cloudy 15 Cloudy 7 | +--------+---------+--------+--------+----+----+------------------------------------------+ NOTES: Units: Temperature=°F, Wind=mph, Pressure=Inches Hg, Precipitation=inches. Column 4A: value is (MAX+MIN) / 2. Data in columns 4B, 5, 6, 15, 16, 23 are updated continuously, there by achieving a "true" mean. Column 5: Dew point is calculated from temperature and humidity and is continuously averaged for 24 hours. Columns 7, 8: Degree Days heating base is 65°F, cooling base is 65°F. Data in columns 9, 10, 12 are entered manually by the station observer. Columns 17-18: Resultant wind is calculated by the vector sum of continuous wind observations. Column 23: Solar Radiation is measured in Watts/m² and is continuously averaged for 24 hours.
OBSERVATIONS AT 3-HOUR INTERVALS
September 2020: Westford
+--+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | T | | | Wind | | | | T | | | Wind | | | | T | | | Wind | | | | | R | e | | % +--+---+---+ | | R | e | | % +--+---+---+ | | R | e | | % +--+---+---+ | | | | a | m | D | | D| | | | | a | m | D | | D| | | | | a | m | D | | D| | | | | S | P | i | p | e | H | i| | | S | P | i | p | e | H | i| | | S | P | i | p | e | H | i| | | | | u | r | n | e | w | u | r| | | u | r | n | e | w | u | r| | | u | r | n | e | w | u | r| | | | | n | e | f | r | | m | e| | | n | e | f | r | | m | e| | | n | e | f | r | | m | e| | | | | s | s | a | a | P | i | c| S | | s | s | a | a | P | i | c| S | | s | s | a | a | P | i | c| S | | | H| h | s | l | t | o | d | t| p | G | h | s | l | t | o | d | t| p | G | h | s | l | t | o | d | t| p | G | | o| i | u | l | u | i | i | i| e | u | i | u | l | u | i | i | i| e | u | i | u | l | u | i | i | i| e | u | | u| n | r | | r | n | t | o| e | s | n | r | | r | n | t | o| e | s | n | r | | r | n | t | o| e | s | | r| e | e | Rate| e | t | y | n| d | t | e | e | Rate| e | t | y | n| d | t | e | e | Rate| e | t | y | n| d | t | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 1 | SEP 2 | SEP 3 | | | | | |00| 0|30.04| 0.00| 53| 50| 89|10| 0| 0| 0|29.99| 0.00| 63| 58| 83|17| 0| 3| 0|29.71| 0.00| 65| 64| 97|26| 0| 0| |03| 0|30.07| 0.00| 50| 49| 96|10| 0| 0| 0|29.94| 0.00| 64| 59| 83|09| 1| 10| 0|29.75| 0.00| 60| 59| 97|26| 0| 0| |06| 0|30.06| 0.00| 58| 55| 91|18| 1| 12| 0|29.89| 0.00| 62| 58| 87|20| 0| 2| 0|29.78| 0.00| 58| 57| 98|26| 0| 2| |09| 104|30.08| 0.00| 62| 59| 88|16| 1| 6| 56|29.84| 0.00| 63| 60| 89|17| 3| 10| 202|29.79| 0.00| 64| 62| 93|24| 0| 2| |12| 134|30.07| 0.00| 68| 62| 81|19| 1| 8| 225|29.79| 0.00| 69| 64| 86|18| 6| 15| 622|29.77| 0.00| 73| 61| 65|19| 3| 6| |15| 362|30.03| 0.00| 74| 63| 70|20| 4| 10| 338|29.68| 0.00| 72| 67| 85|17| 5| 17| 401|29.71| 0.00| 75| 59| 59|23| 4| 8| |18| 47|30.03| 0.00| 69| 62| 78|20| 1| 6| 23|29.63| 0.00| 70| 66| 87|19| 7| 17| 206|29.65| 0.00| 71| 62| 73|16| 0| 5| |21| 0|30.02| 0.00| 64| 60| 86|15| 0| 1| 0|29.64| 0.00| 69| 67| 94|18| 4| 14| 0|29.65| 0.00| 59| 56| 92|16| 0| 3| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 4 | SEP 5 | SEP 6 | | | | | |00| 0|29.63| 0.00| 60| 56| 86|16| 2| 8| 0|29.97| 0.00| 54| 52| 93|22| 0| 1| 0|30.08| 0.00| 49| 48| 95|16| 0| 0| |03| 0|29.61| 0.00| 63| 59| 88|19| 2| 7| 0|30.01| 0.00| 51| 49| 93|19| 1| 3| 0|30.08| 0.00| 49| 48| 96|16| 0| 0| |06| 0|29.70| 0.00| 61| 58| 91|23| 4| 7| 0|30.04| 0.00| 48| 47| 96|21| 0| 4| 0|30.11| 0.00| 47| 46| 97|17| 0| 0| |09| 387|29.80| 0.00| 63| 56| 78|26| 5| 14| 387|30.07| 0.00| 59| 54| 83|19| 0| 9| 388|30.11| 0.00| 59| 58| 98|20| 1| 5| |12| 826|29.83| 0.00| 69| 56| 64|22| 4| 12| 733|30.07| 0.00| 67| 55| 64|23| 3| 16| 870|30.17| 0.00| 65| 53| 66|25| 4| 12| |15| 649|29.82| 0.00| 72| 55| 55|25| 3| 13| 406|30.05| 0.00| 60| 55| 83|27| 2| 7| 323|30.15| 0.00| 69| 54| 59|29| 2| 10| |18| 193|29.83| 0.00| 69| 52| 54|27| 5| 15| 93|30.05| 0.00| 66| 55| 68|27| 0| 0| 214|30.13| 0.00| 69| 56| 63|25| 0| 0| |21| 0|29.91| 0.00| 61| 52| 71|20| 1| 8| 0|30.08| 0.00| 54| 53| 95|16| 0| 7| 0|30.10| 0.00| 51| 48| 91|25| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 7 | SEP 8 | SEP 9 | | | | | |00| 0|30.07| 0.00| 47| 46| 96|25| 0| 0| 0|29.97| 0.00| 68| 60| 76|19| 4| 13| 0|30.17| 0.00| 60| 56| 88|35| 0| 0| |03| 0|30.01| 0.00| 50| 49| 95|19| 0| 0| 0|29.97| 0.00| 63| 59| 86|18| 1| 6| 0|30.17| 0.00| 57| 55| 93|25| 0| 0| |06| 0|29.96| 0.00| 54| 51| 88|15| 1| 7| 0|30.01| 0.00| 61| 58| 91|18| 2| 7| 0|30.19| 0.00| 54| 53| 96|25| 0| 0| |09| 44|29.93| 0.00| 63| 58| 83|19| 3| 12| 297|30.08| 0.00| 69| 64| 84|21| 0| 4| 308|30.22| 0.00| 65| 61| 88|19| 1| 3| |12| 425|29.88| 0.00| 73| 60| 64|20| 6| 29| 802|30.11| 0.00| 74| 66| 75|33| 1| 3| 636|30.23| 0.00| 77| 69| 76|22| 0| 3| |15| 236|29.86| 0.00| 74| 59| 59|18| 7| 18| 132|30.08| 0.00| 77| 69| 77|25| 0| 0| 476|30.22| 0.00| 76| 68| 77|00| 0| 8| |18| 63|29.87| 0.00| 72| 60| 65|18| 5| 17| 39|30.08| 0.00| 68| 64| 85|03| 0| 0| 114|30.21| 0.00| 73| 66| 79|33| 0| 0| |21| 0|29.92| 0.00| 70| 60| 69|18| 5| 16| 0|30.15| 0.00| 63| 61| 93|26| 0| 0| 0|30.27| 0.00| 61| 58| 92|33| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 10 | SEP 11 | SEP 12 | | | | | |00| 0|30.26| 0.00| 58| 57| 95|33| 0| 0| 0|30.18| 0.00| 53| 52| 96|34| 1| 6| 0|30.33| 0.00| 41| 39| 96|28| 0| 0| |03| 0|30.21| 0.00| 58| 57| 97|17| 0| 4| 0|30.19| 0.00| 50| 48| 95|33| 2| 9| 0|30.32| 0.00| 38| 37| 96|28| 0| 0| |06| 0|30.17| 0.00| 59| 58| 98|18| 1| 7| 0|30.24| 0.00| 48| 46| 94|33| 0| 5| 0|30.33| 0.00| 38| 37| 96|03| 0| 0| |09| 278|30.17| 0.00| 68| 66| 92|17| 4| 11| 139|30.28| 0.00| 50| 47| 91|31| 1| 7| 350|30.35| 0.00| 49| 48| 98|03| 0| 0| |12| 731|30.15| 0.00| 71| 67| 88|25| 1| 14| 281|30.29| 0.00| 55| 48| 78|34| 1| 6| 703|30.31| 0.00| 65| 54| 67|15| 2| 8| |15| 149|30.13| 0.00| 73| 65| 77|32| 2| 8| 260|30.28| 0.00| 59| 50| 71|25| 1| 5| 513|30.25| 0.00| 68| 54| 61|17| 1| 9| |18| 18|30.16| 0.00| 60| 57| 91|34| 2| 10| 151|30.28| 0.00| 59| 50| 73|28| 0| 0| 91|30.18| 0.00| 69| 55| 62|16| 0| 6| |21| 0|30.20| 0.00| 56| 55| 95|01| 2| 6| 0|30.32| 0.00| 43| 42| 95|28| 0| 0| 0|30.17| 0.00| 53| 51| 92|18| 0| 4| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 13 | SEP 14 | SEP 15 | | | | | |00| 0|30.13| 0.00| 52| 49| 90|19| 1| 6| 0|29.88| 0.00| 61| 59| 93|20| 5| 13| 0|30.28| 0.00| 42| 41| 95|29| 0| 0| |03| 0|30.11| 0.00| 57| 51| 81|19| 7| 16| 0|29.93| 0.00| 60| 57| 90|26| 3| 8| 0|30.29| 0.00| 39| 38| 95|29| 0| 0| |06| 0|30.06| 0.00| 56| 50| 81|16| 4| 19| 0|30.01| 0.00| 56| 53| 91|28| 3| 13| 0|30.31| 0.00| 35| 34| 96|29| 0| 0| |09| 332|30.00| 0.00| 60| 53| 79|16| 7| 25| 163|30.09| 0.00| 57| 52| 85|28| 3| 16| 220|30.35| 0.00| 45| 44| 98|29| 0| 0| |12| 559|29.92| 0.00| 69| 56| 62|18| 5| 20| 619|30.15| 0.00| 57| 48| 72|28| 2| 10| 503|30.31| 0.00| 55| 43| 63|06| 0| 3| |15| 60|29.85| 0.07| 64| 60| 85|19| 4| 11| 204|30.17| 0.00| 56| 45| 67|28| 3| 12| 237|30.26| 0.00| 58| 47| 65|27| 3| 7| |18| 46|29.84| 0.00| 62| 61| 96|20| 2| 12| 105|30.21| 0.00| 54| 47| 75|36| 0| 3| 42|30.20| 0.00| 55| 47| 73|19| 0| 0| |21| 0|29.86| 0.00| 63| 60| 93|19| 2| 16| 0|30.25| 0.00| 44| 41| 90|27| 1| 4| 0|30.20| 0.00| 46| 44| 92|19| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 16 | SEP 17 | SEP 18 | | | | | |00| 0|30.15| 0.00| 49| 44| 82|17| 1| 6| 0|29.90| 0.00| 57| 50| 77|16| 7| 16| 0|30.05| 0.00| 42| 41| 96|32| 0| 0| |03| 0|30.09| 0.00| 50| 43| 78|16| 2| 12| 0|29.90| 0.00| 58| 51| 77|17| 2| 11| 0|30.05| 0.00| 41| 41| 97|32| 0| 0| |06| 0|30.04| 0.00| 51| 45| 79|17| 7| 16| 0|29.94| 0.00| 57| 51| 83|25| 2| 8| 0|30.06| 0.00| 37| 36| 96|32| 0| 2| |09| 148|30.03| 0.00| 56| 47| 70|18| 7| 24| 37|29.99| 0.00| 54| 52| 94|27| 0| 3| 332|30.10| 0.00| 45| 45| 98|32| 0| 2| |12| 603|29.99| 0.00| 64| 51| 61|18| 5| 18| 246|30.02| 0.00| 58| 53| 85|28| 0| 0| 675|30.10| 0.00| 57| 40| 52|35| 1| 8| |15| 262|29.93| 0.00| 69| 52| 55|17| 3| 22| 221|30.01| 0.00| 61| 52| 73|29| 0| 4| 86|30.11| 0.00| 54| 38| 54|28| 1| 10| |18| 84|29.88| 0.00| 65| 47| 52|17| 7| 26| 93|30.00| 0.00| 61| 53| 74|32| 0| 0| 107|30.13| 0.00| 50| 39| 66|33| 0| 0| |21| 0|29.91| 0.00| 61| 48| 64|17| 5| 17| 0|30.04| 0.00| 47| 45| 95|32| 0| 0| 0|30.18| 0.00| 40| 37| 88|35| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
MAXIMUM SHORT DURATION PRECIPITATION
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Time Period (minutes) | 5 | 10 | 15 | 20 | 30 | 45 | 60 | 80 | 100 | 120 | 150 | 180 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Precipitation | 0.10 | 0.16 | 0.21 | 0.24 | 0.28 | 0.33 | 0.40 | 0.53 | 0.64 | 0.77 | 0.87 | 1.04 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Ended: Date | 30 | 30 | 30 | 30 | 30 | 13 | 30 | 30 | 30 | 30 | 30 | 30 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Ended: Time | 0530 | 0530 | 0532 | 0537 | 0538 | 1609 | 0431 | 0532 | 0538 | 0538 | 0541 | 0537 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ The precipitation amounts for the indicated time intervals may occur at any time during the month. The time indicated is the ending time of the interval. Date and time are not entered for trace amounts.
OBSERVATIONS AT 3-HOUR INTERVALS
September 2020: Westford
+--+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | T | | | Wind | | | | T | | | Wind | | | | T | | | Wind | | | | | R | e | | % +--+---+---+ | | R | e | | % +--+---+---+ | | R | e | | % +--+---+---+ | | | | a | m | D | | D| | | | | a | m | D | | D| | | | | a | m | D | | D| | | | | S | P | i | p | e | H | i| | | S | P | i | p | e | H | i| | | S | P | i | p | e | H | i| | | | | u | r | n | e | w | u | r| | | u | r | n | e | w | u | r| | | u | r | n | e | w | u | r| | | | | n | e | f | r | | m | e| | | n | e | f | r | | m | e| | | n | e | f | r | | m | e| | | | | s | s | a | a | P | i | c| S | | s | s | a | a | P | i | c| S | | s | s | a | a | P | i | c| S | | | H| h | s | l | t | o | d | t| p | G | h | s | l | t | o | d | t| p | G | h | s | l | t | o | d | t| p | G | | o| i | u | l | u | i | i | i| e | u | i | u | l | u | i | i | i| e | u | i | u | l | u | i | i | i| e | u | | u| n | r | | r | n | t | o| e | s | n | r | | r | n | t | o| e | s | n | r | | r | n | t | o| e | s | | r| e | e | Rate| e | t | y | n| d | t | e | e | Rate| e | t | y | n| d | t | e | e | Rate| e | t | y | n| d | t | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 19 | SEP 20 | SEP 21 | | | | | |00| 0|30.23| 0.00| 38| 34| 84|35| 0| 0| 0|30.43| 0.00| 33| 31| 94|00| 0| 0| 0|30.58| 0.00| 33| 32| 95|35| 0| 0| |03| 0|30.25| 0.00| 35| 31| 88|35| 0| 0| 0|30.45| 0.00| 31| 29| 95|00| 0| 0| 0|30.58| 0.00| 31| 30| 96|35| 0| 0| |06| 0|30.29| 0.00| 30| 29| 94|35| 0| 0| 0|30.49| 0.00| 35| 35| 97|00| 0| 0| 0|30.59| 0.00| 30| 29| 96|35| 0| 0| |09| 246|30.35| 0.00| 42| 37| 85|35| 0| 5| 323|30.55| 0.00| 45| 42| 91|27| 0| 6| 306|30.61| 0.00| 40| 40| 98|35| 0| 0| |12| 144|30.37| 0.00| 52| 36| 55|26| 1| 6| 671|30.57| 0.00| 55| 37| 52|24| 1| 9| 635|30.59| 0.00| 58| 42| 56|27| 0| 6| |15| 81|30.35| 0.00| 53| 34| 48|27| 4| 8| 308|30.55| 0.00| 56| 37| 48|26| 0| 7| 332|30.51| 0.00| 60| 41| 51|34| 2| 6| |18| 53|30.36| 0.00| 51| 36| 56|32| 0| 3| 30|30.55| 0.00| 54| 39| 57|35| 0| 1| 39|30.45| 0.00| 57| 46| 67|25| 0| 0| |21| 0|30.40| 0.00| 34| 31| 91|00| 0| 0| 0|30.58| 0.00| 36| 34| 92|35| 0| 0| 0|30.43| 0.00| 39| 37| 93|25| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 22 | SEP 23 | SEP 24 | | | | | |00| 0|30.37| 0.00| 36| 34| 95|25| 0| 0| 0|29.85| 0.00| 44| 42| 93|28| 0| 0| 0|29.82| 0.00| 54| 52| 92|25| 0| 0| |03| 0|30.32| 0.00| 33| 32| 96|25| 0| 0| 0|29.79| 0.00| 43| 41| 95|28| 0| 0| 0|29.81| 0.00| 53| 52| 96|19| 0| 4| |06| 0|30.27| 0.00| 32| 32| 97|25| 0| 0| 0|29.77| 0.00| 48| 45| 89|18| 2| 4| 0|29.83| 0.00| 52| 51| 96|18| 1| 7| |09| 269|30.23| 0.00| 42| 42| 98|26| 0| 0| 274|29.76| 0.00| 56| 50| 80|18| 1| 6| 267|29.86| 0.00| 60| 57| 90|21| 1| 12| |12| 633|30.13| 0.00| 59| 47| 65|25| 1| 10| 352|29.77| 0.00| 63| 54| 73|26| 4| 7| 564|29.88| 0.00| 71| 60| 67|17| 2| 10| |15| 202|30.03| 0.00| 61| 46| 58|32| 0| 8| 98|29.75| 0.00| 69| 58| 70|25| 4| 9| 251|29.85| 0.00| 72| 63| 74|27| 0| 3| |18| 44|29.95| 0.00| 56| 46| 69|35| 0| 4| 23|29.76| 0.00| 65| 58| 77|25| 0| 6| 44|29.90| 0.00| 63| 58| 84|01| 0| 2| |21| 0|29.90| 0.00| 45| 42| 88|30| 0| 0| 0|29.79| 0.00| 61| 55| 82|25| 1| 6| 0|29.94| 0.00| 55| 53| 95|01| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 25 | SEP 26 | SEP 27 | | | | | |00| 0|29.97| 0.00| 54| 52| 95|01| 0| 0| 0|30.03| 0.00| 54| 52| 96|24| 0| 0| 0|29.92| 0.00| 66| 61| 83|17| 3| 8| |03| 0|29.99| 0.00| 53| 52| 97|01| 0| 0| 0|30.01| 0.00| 56| 56| 98|24| 0| 3| 0|29.89| 0.00| 65| 61| 87|18| 2| 14| |06| 0|30.02| 0.00| 50| 49| 97|01| 0| 0| 0|30.03| 0.00| 55| 54| 97|18| 1| 3| 0|29.86| 0.00| 64| 61| 92|17| 2| 13| |09| 123|30.07| 0.00| 55| 53| 95|01| 0| 0| 253|30.02| 0.00| 63| 61| 93|16| 1| 6| 132|29.87| 0.00| 68| 63| 86|13| 3| 17| |12| 104|30.08| 0.00| 58| 54| 87|27| 0| 0| 492|29.98| 0.00| 75| 62| 64|17| 2| 14| 316|29.84| 0.00| 72| 64| 78|17| 7| 20| |15| 197|30.02| 0.00| 69| 59| 70|22| 1| 2| 230|29.92| 0.00| 77| 55| 47|20| 3| 16| 311|29.80| 0.00| 75| 64| 69|19| 8| 20| |18| 26|30.00| 0.00| 67| 60| 77|24| 0| 0| 47|29.90| 0.00| 71| 54| 55|17| 2| 8| 32|29.80| 0.00| 72| 62| 72|17| 5| 15| |21| 0|30.03| 0.00| 57| 56| 95|24| 0| 0| 0|29.92| 0.00| 65| 57| 74|19| 2| 9| 0|29.84| 0.00| 67| 62| 83|18| 4| 13| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 28 | SEP 29 | SEP 30 | | | | | |00| 0|29.84| 0.00| 67| 62| 84|18| 0| 15| 0|29.76| 0.00| 66| 62| 89|15| 3| 11| 0|29.67| 0.47| 55| 54| 97|00| 0| 4| |03| 0|29.83| 0.00| 67| 64| 89|18| 0| 5| 0|29.75| 0.00| 67| 63| 89|17| 2| 13| 0|29.52| 0.25| 53| 52| 97|02| 0| 4| |06| 0|29.80| 0.00| 65| 64| 95|18| 0| 2| 0|29.74| 0.00| 66| 63| 88|15| 1| 9| 0|29.37| 0.07| 53| 52| 98|28| 0| 2| |09| 123|29.79| 0.00| 70| 66| 87|16| 0| 0| 83|29.74| 0.00| 68| 63| 85|17| 5| 12| 42|29.38| 0.00| 52| 52| 98|17| 0| 2| |12| 97|29.78| 0.10| 70| 67| 92|16| 1| 5| 220|29.74| 0.00| 72| 66| 79|21| 2| 14| 125|29.49| 0.00| 54| 52| 95|19| 3| 8| |15| 123|29.76| 0.08| 69| 67| 94|07| 2| 9| 39|29.73| 0.13| 64| 61| 91|28| 0| 8| 207|29.54| 0.00| 60| 51| 72|23| 5| 13| |18| 62|29.76| 0.00| 69| 66| 91|17| 0| 6| 0|29.80| 0.20| 56| 55| 96|00| 0| 5| 5|29.59| 0.00| 54| 52| 93|26| 0| 0| |21| 0|29.75| 0.00| 63| 61| 95|15| 0| 1| 0|29.76| 0.00| 55| 54| 97|32| 0| 1| 0|29.66| 0.00| 54| 48| 81|16| 1| 6| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +------------------------------------------+---------------------------------------+---------------------------------------+
WEATHER NOTES SUMMARY BY HOURS
+--+-----------------------------+---------+ Wind Direction: Directions are those from which the wind is blowing, | | Averages | | indicated in tens of degrees from true North: i.e., 09 for East, 18 for | +----+------+---+---+---+-----+Resultant| South, 27 for West, and 00 or 36 for North. | | | | | | | | | Wind Speed: The observed one-minute average speed in miles-per-hour. | | | | T | | | | Wind | Wind Gust: The maximum instantaneous wind speed for the ten minute-period | | | | e | | % | W +----+----+ preceding the observation. | | | | m | D | | i | D | | Rainfall Rate: The instantaneous rainfall rate at time of observation, | | S | P | p | e | H | n | i | | calculated by timing consecutive pulses from the electronic rain | | u | r | e | w | u | d | r | | gauge and interpolating this rate for one hour. | | n | e | r | | m | | e | | | | s | s | a | P | i | S | c | S | | H| h | s | t | o | d | p | t | p | | o| i | u | u | i | i | e | i | e | | u| n | r | r | n | t | e | o | e | | r| e | e | e | t | y | d | n | d | +--+----+------+---+---+---+-----+----+----+ |00| 0|30.042| 52| 50| 91| 0.9| 18 | 0.8| |03| 0|30.029| 51| 49| 92| 0.8| 19 | 0.6| |06| 0|30.031| 51| 49| 93| 1.0| 19 | 0.8| |09| 220|30.051| 57| 54| 89| 1.5| 19 | 1.2| |12| 485|30.046| 65| 55| 71| 2.3| 21 | 1.8| |15| 256|30.013| 66| 55| 67| 2.4| 23 | 1.6| |18| 71|30.006| 63| 54| 74| 1.2| 20 | 0.9| |21| 0|30.029| 54| 51| 88| 0.9| 19 | 0.7| +--+----+------+---+---+---+-----+----+----+
HOURLY PRECIPITATION (Water Equivalent)
September 2020: Westford
---+-----------------------------------------------------------+-----------------------------------------------------------+--- | | | D| A.M. Hour Ending at | P.M. Hour Ending at |D a| | |a t+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+t e| 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |e ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- 01| | | | | | | | | | | | | | | | | | | | | | | | |01 02| | | | | | |0.01| | | | | |0.01| | | | | | | |0.02|0.01|0.10| |02 03| | | |0.01| | | | | | | | | | | | | | | | | | | | |03 04| | | | | | | | | | | | | | | | | | | | | | |0.14| |04 05| | |0.01| | | | | | | | | | | |0.02| | | | | |0.01| | | |05 | | | | | | | | | | | | | | | | | | | | | | | | | 06|0.02| | | | | | | |0.01| | | | | | | | | | | | | | | |06 07| | | | | | | | | | | | | | | | | | | | | | | | |07 08| | | | | | | | | | | | | | | | | | | | | | | | |08 09| | | | | | | | | | | | | | | | | | | | | | | | |09 10| | | | | | | | | | | | | | | | | | | | | |0.01| |0.01|10 | | | | | | | | | | | | | | | | | | | | | | | | | 11| | | | | | | | | | | | | | | | | | | | | | | | |11 12| | | | | | | | | | | | | | | | | | | | | | | | |12 13| | | | | | | | | | | | | | |0.02|0.32|0.08| | | | | |0.02|0.01|13 14| | | | | | | | | | | | | | | | | | | | | | | | |14 15| | | | | | | | | | | | | | | | | | | | | | | | |15 | | | | | | | | | | | | | | | | | | | | | | | | | 16| | | | | | | | | | | | | | | | | | | | | | | | |16 17| | | | | | | | | | | | | | | | | | | | | | | | |17 18| | | | | |0.01| | | | | | | | | | | | | | | | | | |18 19| | | | | | | | | | | | | | | | | | | | | | | | |19 20| | | | | | | | | | | | | | | | | | | | | | | | |20 | | | | | | | | | | | | | | | | | | | | | | | | | 21| | | | | | | | | | | | | | | | | | | | | | | | |21 22| | | | | | | | |0.02| | | | | | | | | | | | | | | |22 23| | | | | | | | | | | | | | | | | | | | | | | | |23 24| | | | | | | | | | | | | | | | | | | | | | | | |24 25| | | | | | | | | | | | | | | | | | | | | | | | |25 | | | | | | | | | | | | | | | | | | | | | | | | | 26| | | | | | | | | | | | | | | | | | | | | | | | |26 27| | | | | | | | | | | | | | | | | | | | | | | | |27 28| | | | | | | | | | | |0.07|0.02|0.03|0.02| | | | | | | | | |28 29| | | | | | | | | | | | | | |0.04|0.03|0.07|0.07|0.09| | | | |0.10|29 30|0.25|0.31|0.35|0.25|0.34|0.33|0.14|0.03|0.01|0.05|0.07| | | | |0.01| | | | | | | | |30 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- Sum|0.27|0.31|0.36|0.26|0.34|0.34|0.15|0.03|0.04|0.05|0.07|0.07|0.03|0.03|0.10|0.36|0.15|0.07|0.09|0.00|0.03|0.02|0.26|0.12|Sum ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- During a frozen precipitation event, hourly precipitation totals may not be recorded. In this case, daily amounts are typically entered in the last column (hour ending at 12 A.M.)

 
 
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