61.4F
Current conditions from King Hill
Updated every 5 minutes
 
  Tuesday April 13, 2021

Westford: April 2021
LOCAL CLIMATOLOGICAL DATA Monthly Summary
April 2021
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| 38.9 | 20.6 | 29.8 | 30.2 | 28| 90| 35| 0|.........| 3| 0.25| 3.0| 30.04| 29.80|29.896| 0.5| 0.5|345| 14|NNW| 6| 8| 21 | |02| 30.3 | 17.9*| 24.1*| 23.9 | 14| 66| 41| 0|.........| T| 0.01| 0.6| 30.19| 30.02|30.124| 2.3| 2.2|281| 19| W| 10|269| 115 | |03| 47.6 | 18.2 | 32.9 | 32.1 | 13| 48| 32| 0|.........| 0| 0.03| 0.0| 30.28| 30.16|30.213| 1.6| 1.5|257| 17| W| 9|259| 252 | |04| 52.7 | 25.8 | 39.3 | 40.0 | 24| 55| 25| 0|.........| 0| 0.00| 0.0| 30.17| 29.97|30.068| 1.7| 1.6|296| 18| SW| 11|281| 201 | |05| 55.1 | 33.5 | 44.3 | 43.6 | 27| 54| 20| 0|.........| 0| 0.00| 0.0| 29.99| 29.89|29.945| 3.2| 3.1|308| 24|WNW| 14|288| 210 | | | | | | | | | | | | | | | | | | | | | | | | | | |06| 57.8 | 32.2 | 45.0 | 45.1 | 31| 60| 20| 0|.........| 0| 0.00| 0.0| 30.02| 29.92|29.957| 1.7| 1.6|307| 18| W| 12|264| 254 | |07| 64.7 | 40.6 | 52.6 | 51.3 | 43| 73| 12| 0|.........| 0| 0.00| 0.0| 30.05| 29.98|30.018| 1.2| 1.2|336| 15| W| 9|287| 185 | |08| 71.4 | 39.9 | 55.7 | 55.6 | 44| 69| 9| 0|.........| 0| 0.00| 0.0| 30.09| 29.98|30.029| 1.3| 1.2|266| 12| N| 10|257| 248 | |09| 75.9*| 48.1 | 62.0 | 61.8 | 44| 54| 3| 0|.........| 0| 0.00| 0.0| 30.06| 29.93|29.993| 4.3| 4.3|175| 22|SSE| 11|164| 254 | |10| 75.8 | 51.9 | 63.9*| 62.6 | 49| 62| 1| 0|.........| 0| 0.01| 0.0| 29.95| 29.66|29.827| 3.4| 3.1|182| 20|SSE| 11|178| 247 | | | | | | | | | | | | | | | | | | | | | | | | | | |11| 75.8 | 46.1 | 61.0 | 59.1 | 48| 68| 4| 0|.........| 0| T | 0.0| 29.68| 29.54|29.618| 1.8| 0.5|246| 15|SSE| 10|266| 194 | |12| 64.6 | 39.5 | 52.0 | 53.7 | 41| 64| 12| 0|.........| 0| 0.00| 0.0| 29.93| 29.68|29.778| 1.5| 1.1| 38| 18| N| 9| 19| 173 | |13| | | | | | | | | | | | | | | | | | | | | | | | |14| | | | | | | | | | | | | | | | | | | | | | | | |15| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |16| | | | | | | | | | | | | | | | | | | | | | | | |17| | | | | | | | | | | | | | | | | | | | | | | | |18| | | | | | | | | | | | | | | | | | | | | | | | |19| | | | | | | | | | | | | | | | | | | | | | | | |20| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |21| | | | | | | | | | | | | | | | | | | | | | | | |22| | | | | | | | | | | | | | | | | | | | | | | | |23| | | | | | | | | | | | | | | | | | | | | | | | |24| | | | | | | | | | | | | | | | | | | | | | | | |25| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |26| | | | | | | | | | | | | | | | | | | | | | | | |27| | | | | | | | | | | | | | | | | | | | | | | | |28| | | | | | | | | | | | | | | | | | | | | | | | |29| | | | | | | | | | | | | | | | | | | | | | | | |30| | | | | | | | | | | | | | | | | | | | | | | | +--+------+------+------+------+---+----+----+----+---------+--+-----+-----+------+------+------+----+----+---+---+---+---+---+------+ | Sum | Sum |------|------|---|----| Ttl| Ttl| |Total|Total| For the month: | ---- | +------+------+------+------+---+----+----+----+ Number of +-----+-----+------+------+------+----+----+---+---+---+---+---+------+ | 710.6| 414.3|------|------|---|----| 214| 0| Days | 0.30| 3.6| 30.28| 29.54|30.039| 1.9| 0.8|261| 24|WNW| 14|288| ---- | +------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+---+---+---+---+------+ | Avg | Avg | Avg | Mean |Avg| Avg|----|----|Precip | Season Ttl| Date | Date |------|----|----|---| Date | Date | Avg | +------+------+------+------+---+----+----+----+ +-----+-----+------+------+------+----+----+---+-------+-------+------+ | 59.2| 34.5| 46.9 | 46.4 | 34|64.4|----|----|≥.01 Inch 4| 5.97| 71.0| 3 | 11 |------|----|----|---| 5 | 5 | 181| +------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+-------+-------+------+ | | Season |Snow, Ice | | | | Number of Days | to Date |≥1.0 Inch 1| Greatest in 24 Hours and Dates | Greatest Depth on Ground | +------------------+-----------------+----+----+------------+--------------+-----------------+ of Snow, Ice Pellets or Ice | | Max Temperature | Min Temperature |6566| 0|Thunder 0|Precipitation | Snow, Ice Plts | and Date | +--------+---------+--------+--------+----+----+------------+-------+------+---------+-------+-------------+----------------------+ | ≥90°F | ≤32°F | ≤32°F | ≤0°F |----|----|Heavy Fog 0| 0.25| 1 | 3.0 | 1 | 3 | 1 | +--------+---------+--------+--------+----+----+------------+-------+------+---------+----+--+-------------+----------------------+ | 0 | 1 | 5 | 0 |----|----| Clear 5 Partly Cloudy 5 Cloudy 2 | +--------+---------+--------+--------+----+----+------------------------------------------+ 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
April 2021: 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 | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | APR 1 | APR 2 | APR 3 | | | | | |00| 0|29.92| 0.08| 39| 37| 93|31| 1| 11| 0|30.03| 0.00| 21| 16| 81|29| 0| 0| 0|30.19| 0.00| 25| 11| 53|25| 3| 5| |03| 0|29.86| 0.00| 36| 34| 93|05| 0| 2| 0|30.03| 0.00| 19| 13| 79|30| 0| 0| 0|30.20| 0.00| 23| 12| 62|26| 0| 2| |06| 0|29.80| 0.00| 33| 32| 95|33| 3| 8| 0|30.08| 0.00| 18| 14| 84|28| 0| 3| 0|30.25| 0.00| 20| 10| 65|23| 0| 0| |09| 14|29.83| 0.00| 32| 30| 95|33| 0| 0| 93|30.14| 0.00| 20| 12| 70|28| 3| 13| 383|30.28| 0.00| 29| 12| 49|24| 3| 7| |12| 47|29.86| 0.00| 30| 28| 93|31| 0| 0| 408|30.15| 0.00| 24| 14| 66|28| 4| 12| 786|30.25| 0.00| 37| 12| 35|29| 2| 10| |15| 60|29.88| 0.00| 28| 25| 90|32| 0| 0| 371|30.15| 0.00| 28| 16| 60|28| 3| 11| 712|30.19| 0.00| 44| 12| 27|27| 3| 13| |18| 16|29.93| 0.00| 28| 26| 90|28| 0| 0| 91|30.15| 0.00| 30| 16| 54|26| 2| 10| 216|30.16| 0.00| 47| 12| 24|31| 2| 5| |21| 0|30.02| 0.00| 24| 19| 79|26| 0| 0| 0|30.18| 0.00| 29| 13| 50|22| 4| 9| 0|30.17| 0.00| 32| 20| 61|31| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | APR 4 | APR 5 | APR 6 | | | | | |00| 0|30.17| 0.00| 31| 15| 52|30| 0| 0| 0|29.97| 0.00| 44| 31| 59|34| 3| 14| 0|29.93| 0.00| 42| 25| 50|35| 1| 6| |03| 0|30.14| 0.00| 28| 20| 71|23| 0| 0| 0|29.96| 0.00| 38| 28| 68|34| 1| 7| 0|29.92| 0.00| 38| 30| 73|35| 0| 0| |06| 0|30.12| 0.00| 26| 19| 75|23| 0| 0| 0|29.97| 0.00| 34| 28| 78|32| 2| 9| 0|29.94| 0.00| 33| 25| 72|35| 0| 3| |09| 223|30.10| 0.00| 39| 29| 66|23| 0| 0| 362|29.98| 0.00| 40| 30| 68|30| 3| 17| 383|29.99| 0.00| 42| 27| 54|31| 1| 7| |12| 540|30.10| 0.00| 45| 24| 44|27| 3| 8| 522|29.95| 0.00| 46| 26| 44|31| 4| 18| 784|29.98| 0.00| 51| 31| 46|00| 3| 13| |15| 689|30.03| 0.00| 51| 28| 40|28| 8| 15| 577|29.91| 0.00| 52| 25| 35|28| 10| 19| 710|29.92| 0.00| 55| 34| 46|26| 7| 14| |18| 199|30.00| 0.00| 50| 27| 40|30| 5| 15| 142|29.90| 0.00| 53| 28| 38|29| 2| 14| 260|29.95| 0.00| 56| 37| 48|29| 3| 11| |21| 0|29.99| 0.00| 43| 29| 56|33| 0| 1| 0|29.93| 0.00| 43| 25| 49|34| 1| 5| 0|29.99| 0.00| 44| 36| 72|29| 0| 2| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | APR 7 | APR 8 | APR 9 | | | | | |00| 0|29.99| 0.00| 41| 35| 79|29| 0| 0| 0|30.04| 0.00| 46| 42| 86|28| 0| 0| 0|29.99| 0.00| 52| 42| 67|05| 0| 3| |03| 0|29.99| 0.00| 44| 38| 78|29| 0| 0| 0|30.04| 0.00| 43| 41| 92|28| 0| 0| 0|30.00| 0.00| 50| 42| 75|17| 2| 6| |06| 0|30.01| 0.00| 45| 40| 83|34| 4| 10| 0|30.06| 0.00| 41| 39| 95|28| 0| 0| 0|30.01| 0.00| 53| 43| 70|16| 5| 11| |09| 190|30.04| 0.00| 50| 43| 78|33| 1| 9| 380|30.09| 0.00| 53| 46| 77|28| 0| 2| 396|30.05| 0.00| 60| 46| 62|17| 7| 13| |12| 345|30.04| 0.00| 57| 45| 65|32| 1| 9| 821|30.06| 0.00| 63| 46| 53|26| 2| 7| 784|30.04| 0.00| 69| 47| 46|18| 8| 15| |15| 900|30.02| 0.00| 63| 48| 57|32| 3| 9| 696|30.00| 0.00| 70| 47| 44|25| 2| 10| 724|29.97| 0.00| 75| 44| 33|21| 7| 13| |18| 229|30.01| 0.00| 64| 46| 53|31| 2| 5| 223|29.98| 0.00| 69| 47| 46|25| 4| 7| 216|29.94| 0.00| 73| 42| 32|17| 6| 11| |21| 0|30.05| 0.00| 48| 43| 83|28| 0| 0| 0|29.99| 0.00| 58| 46| 66|27| 0| 0| 0|29.95| 0.00| 61| 43| 52|17| 0| 4| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | APR 10 | APR 11 | APR 12 | | | | | |00| 0|29.94| 0.00| 61| 43| 51|17| 4| 12| 0|29.67| 0.00| 54| 48| 81|24| 0| 0| 0|29.68| 0.00| 52| 42| 68|15| 4| 9| |03| 0|29.93| 0.00| 59| 44| 57|16| 3| 10| 0|29.64| 0.00| 51| 47| 85|25| 0| 0| 0|29.71| 0.00| 48| 39| 72|10| 0| 0| |06| 0|29.92| 0.00| 55| 48| 75|18| 8| 16| 0|29.64| 0.00| 48| 45| 91|25| 0| 0| 0|29.74| 0.00| 40| 36| 87|10| 0| 0| |09| 381|29.93| 0.00| 56| 49| 77|16| 10| 19| 343|29.65| 0.00| 59| 49| 71|03| 2| 4| 420|29.78| 0.00| 54| 41| 60|05| 2| 6| |12| 779|29.86| 0.00| 68| 52| 57|16| 4| 9| 756|29.61| 0.00| 65| 51| 60|30| 1| 9| 949|29.76| 0.00| 63| 45| 52|07| 3| 11| |15| 701|29.78| 0.00| 74| 54| 50|23| 3| 8| 742|29.54| 0.00| 75| 52| 45|34| 2| 11| 214|29.75| 0.00| 62| 45| 53|06| 1| 12| |18| 195|29.71| 0.00| 74| 48| 39|26| 3| 6| 46|29.56| 0.00| 67| 51| 55|11| 0| 3| 49|29.80| 0.00| 60| 43| 55|34| 3| 6| |21| 0|29.70| 0.00| 59| 50| 70|24| 0| 0| 0|29.62| 0.00| 59| 44| 59|15| 4| 13| 0|29.88| 0.00| 56| 42| 59|16| 0| 5| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | APR 13 | APR 14 | APR 15 | | | | | |00| 0|29.93| 0.00| 45| 37| 74|05| 0| 0| | | | | | | | | | | | | | | | | | | |03| | | | | | | | | | | | | | | | | | | | | | | | | | | | |06| | | | | | | | | | | | | | | | | | | | | | | | | | | | |09| | | | | | | | | | | | | | | | | | | | | | | | | | | | |12| | | | | | | | | | | | | | | | | | | | | | | | | | | | |15| | | | | | | | | | | | | | | | | | | | | | | | | | | | |18| | | | | | | | | | | | | | | | | | | | | | | | | | | | |21| | | | | | | | | | | | | | | | | | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | APR 16 | APR 17 | APR 18 | | | | | |00| | | | | | | | | | | | | | | | | | | | | | | | | | | | |03| | | | | | | | | | | | | | | | | | | | | | | | | | | | |06| | | | | | | | | | | | | | | | | | | | | | | | | | | | |09| | | | | | | | | | | | | | | | | | | | | | | | | | | | |12| | | | | | | | | | | | | | | | | | | | | | | | | | | | |15| | | | | | | | | | | | | | | | | | | | | | | | | | | | |18| | | | | | | | | | | | | | | | | | | | | | | | | | | | |21| | | | | | | | | | | | | | | | | | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
MAXIMUM SHORT DURATION PRECIPITATION
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Time Period (minutes) | 5 | 10 | 15 | 20 | 30 | 45 | 60 | 80 | 100 | 120 | 150 | 180 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Precipitation | 0.01 | 0.02 | 0.02 | 0.03 | 0.03 | 0.04 | 0.04 | 0.05 | 0.06 | 0.06 | 0.07 | 0.07 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Ended: Date | 01 | 01 | 01 | 01 | 01 | 01 | 01 | 01 | 01 | 01 | 01 | 01 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Ended: Time | 0004 | 0012 | 0012 | 0023 | 0023 | 0049 | 0049 | 0108 | 0126 | 0126 | 0225 | 0225 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ 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
April 2021: 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 | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | APR 19 | APR 20 | APR 21 | | | | | |00| | | | | | | | | | | | | | | | | | | | | | | | | | | | |03| | | | | | | | | | | | | | | | | | | | | | | | | | | | |06| | | | | | | | | | | | | | | | | | | | | | | | | | | | |09| | | | | | | | | | | | | | | | | | | | | | | | | | | | |12| | | | | | | | | | | | | | | | | | | | | | | | | | | | |15| | | | | | | | | | | | | | | | | | | | | | | | | | | | |18| | | | | | | | | | | | | | | | | | | | | | | | | | | | |21| | | | | | | | | | | | | | | | | | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | APR 22 | APR 23 | APR 24 | | | | | |00| | | | | | | | | | | | | | | | | | | | | | | | | | | | |03| | | | | | | | | | | | | | | | | | | | | | | | | | | | |06| | | | | | | | | | | | | | | | | | | | | | | | | | | | |09| | | | | | | | | | | | | | | | | | | | | | | | | | | | |12| | | | | | | | | | | | | | | | | | | | | | | | | | | | |15| | | | | | | | | | | | | | | | | | | | | | | | | | | | |18| | | | | | | | | | | | | | | | | | | | | | | | | | | | |21| | | | | | | | | | | | | | | | | | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | APR 25 | APR 26 | APR 27 | | | | | |00| | | | | | | | | | | | | | | | | | | | | | | | | | | | |03| | | | | | | | | | | | | | | | | | | | | | | | | | | | |06| | | | | | | | | | | | | | | | | | | | | | | | | | | | |09| | | | | | | | | | | | | | | | | | | | | | | | | | | | |12| | | | | | | | | | | | | | | | | | | | | | | | | | | | |15| | | | | | | | | | | | | | | | | | | | | | | | | | | | |18| | | | | | | | | | | | | | | | | | | | | | | | | | | | |21| | | | | | | | | | | | | | | | | | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | APR 28 | APR 29 | APR 30 | | | | | |00| | | | | | | | | | | | | | | | | | | | | | | | | | | | |03| | | | | | | | | | | | | | | | | | | | | | | | | | | | |06| | | | | | | | | | | | | | | | | | | | | | | | | | | | |09| | | | | | | | | | | | | | | | | | | | | | | | | | | | |12| | | | | | | | | | | | | | | | | | | | | | | | | | | | |15| | | | | | | | | | | | | | | | | | | | | | | | | | | | |18| | | | | | | | | | | | | | | | | | | | | | | | | | | | |21| | | | | | | | | | | | | | | | | | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +------------------------------------------+---------------------------------------+---------------------------------------+
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|29.959| 43| 33| 69| 1.2| 22 | 0.3| |03| 0|29.951| 40| 32| 75| 0.5| 17 | 0.4| |06| 0|29.961| 37| 32| 81| 1.8| 20 | 0.4| |09| 297|29.987| 44| 35| 69| 2.6| 20 | 0.9| |12| 627|29.970| 51| 35| 55| 3.0| 27 | 1.0| |15| 591|29.928| 56| 36| 48| 4.0| 27 | 3.3| |18| 157|29.924| 56| 35| 48| 2.6| 28 | 1.7| |21| 0|29.956| 46| 34| 63| 0.8| 19 | 0.5| +--+----+------+---+---+---+-----+----+----+
HOURLY PRECIPITATION (Water Equivalent)
April 2021: 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|0.04|0.02|0.01|0.02|0.03| | | | | | |0.02|0.02|0.01|0.01|0.03|0.03|0.01| | | | | | |01 02| | | | | | | | | | | |0.01| | | | | | | | | | | | |02 03| | | | | | | | | | |0.01|0.01|0.01| | | | | | | | | | | |03 04| | | | | | | | | | | | | | | | | | | | | | | | |04 05| | | | | | | | | | | | | | | | | | | | | | | | |05 | | | | | | | | | | | | | | | | | | | | | | | | | 06| | | | | | | | | | | | | | | | | | | | | | | | |06 07| | | | | | | | | | | | | | | | | | | | | | | | |07 08| | | | | | | | | | | | | | | | | | | | | | | | |08 09| | | | | | | | | | | | | | | | | | | | | | | | |09 10| | | | | | |0.01| | | | | | | | | | | | | | | | | |10 | | | | | | | | | | | | | | | | | | | | | | | | | 11| | | | | | | | | | | | | | | | | | | | | | | | |11 12| | | | | | | | | | | | | | | | | | | | | | | | |12 13| | | | | | | | | | | | | | | | | | | | | | | | |13 14| | | | | | | | | | | | | | | | | | | | | | | | |14 15| | | | | | | | | | | | | | | | | | | | | | | | |15 | | | | | | | | | | | | | | | | | | | | | | | | | 16| | | | | | | | | | | | | | | | | | | | | | | | |16 17| | | | | | | | | | | | | | | | | | | | | | | | |17 18| | | | | | | | | | | | | | | | | | | | | | | | |18 19| | | | | | | | | | | | | | | | | | | | | | | | |19 20| | | | | | | | | | | | | | | | | | | | | | | | |20 | | | | | | | | | | | | | | | | | | | | | | | | | 21| | | | | | | | | | | | | | | | | | | | | | | | |21 22| | | | | | | | | | | | | | | | | | | | | | | | |22 23| | | | | | | | | | | | | | | | | | | | | | | | |23 24| | | | | | | | | | | | | | | | | | | | | | | | |24 25| | | | | | | | | | | | | | | | | | | | | | | | |25 | | | | | | | | | | | | | | | | | | | | | | | | | 26| | | | | | | | | | | | | | | | | | | | | | | | |26 27| | | | | | | | | | | | | | | | | | | | | | | | |27 28| | | | | | | | | | | | | | | | | | | | | | | | |28 29| | | | | | | | | | | | | | | | | | | | | | | | |29 30| | | | | | | | | | | | | | | | | | | | | | | | |30 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- Sum|0.04|0.02|0.01|0.02|0.03|0.00|0.01|0.00|0.00|0.00|0.01|0.04|0.03|0.01|0.01|0.03|0.03|0.01|0.00|0.00|0.00|0.00|0.00|0.00|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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