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Westford: January 2020
LOCAL CLIMATOLOGICAL DATA
Monthly Summary
January 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| 31.3 | 28.1 | 29.7 | 29.7 | 27| 90| 35| 0|.........| 3| 0.08| 0.6| 29.72| 29.43|29.539| 3.2| 3.1|223| 21| SW| 11|258| 2 |
|02| 37.6 | 24.6 | 31.1 | 32.0 | 26| 79| 33| 0|.........| 2| 0.00| 0.0| 29.79| 29.66|29.726| 6.1| 5.7|184| 26|SSE| 12|178| 31 |
|03| 39.5 | 35.3 | 37.4 | 37.8 | 32| 80| 27| 0|.........| 1| 0.00| 0.0| 29.78| 29.66|29.703| 3.6| 3.6|181| 22|SSE| 10|173| 8 |
|04| 36.2 | 25.9 | 31.0 | 32.1 | 30| 91| 34| 0|.........| 3| 0.22| 2.7| 29.76| 29.58|29.664| 0.4| 0.3|337| 9|WNW| 4|297| 12 |
|05| 26.0 | 9.7 | 17.9 | 21.0 | 18| 88| 47| 0|.........| 3| 0.05| 1.0| 29.92| 29.59|29.776| 2.4| 2.4|294| 16| W| 8|292| 5 |
| | | | | | | | | | | | | | | | | | | | | | | | |
|06| 28.9 | 8.5 | 18.7 | 20.3 | 18| 90| 46| 0|.........| 4| 0.14| 1.4| 29.90| 29.74|29.825| 1.8| 1.6|182| 18|SSE| 9|170| 5 |
|07| 30.6 | 22.3 | 26.5 | 26.2 | 22| 83| 38| 0|.........| 4| 0.02| 0.5| 29.99| 29.81|29.915| 1.6| 1.3|201| 23|WSW| 12|246| 9 |
|08| 31.9 | 10.7 | 21.3 | 24.6 | 20| 83| 43| 0|.........| 6| 0.22| 1.8| 30.29| 29.70|29.854| 5.1| 4.1|251| 29|WSW| 16|254| 4 |
|09| 19.7 | 0.2 | 10.0 | 9.4 | 1| 70| 55| 0|.........| 5| 0.00| 0.0| 30.74| 30.29|30.600| 2.3| 1.0|216| 24| S| 13|169| 75 |
|10| 38.9 | 19.7 | 29.3 | 32.2 | 22| 67| 35| 0|...4.6...| 2| 0.07| T| 30.44| 30.25|30.305|10.3|10.3|174| 41| S| 21|170| 13 |
| | | | | | | | | | | | | | | | | | | | | | | | |
|11| 54.6*| 33.3 | 43.9*| 45.3 | 43| 92| 21| 0|.........| 0| 0.99| 0.0| 30.27| 29.79|29.955| 6.1| 5.6|177| 31|SSE| 17|182| 24 |
|12| 33.4 | 15.4 | 24.4 | 25.0 | 24| 94| 41| 0|.....6...| T| 0.56| 0.4| 30.47| 29.61|30.020| 0.1| 0.1|291| 7| W| 5|281| 14 |
|13| 29.0 | 16.0 | 22.5 | 22.8 | 21| 93| 42| 0|.........| 1| 0.02| 0.3| 30.52| 30.29|30.382| 0.0| 0.0| 0| 0| W| 0|269| 10 |
|14| 33.4 | 19.9 | 26.7 | 25.0 | 24| 94| 38| 0|.........| 1| T | 0.2| 30.41| 29.96|30.226| 0.0| 0.0| 0| 0| N| 0| 0| 14 |
|15| 34.1 | 28.6 | 31.3 | 31.6 | 30| 95| 33| 0|.........| T| 0.00| 0.0| 30.12| 29.95|30.062| 0.5| 0.3|209| 19|SSE| 11|175| 8 |
| | | | | | | | | | | | | | | | | | | | | | | | |
|16| 28.7 | 9.9 | 19.3 | 24.2 | 22| 92| 45| 0|.........| 7| 0.53| 6.2| 30.29| 29.79|29.945| 3.4| 3.3|301| 35| W| 14|284| 5 |
|17| 9.9 |-10.8*| -0.5*| -0.4 | -5| 82| 66| 0|.........| 5| 0.01| 0.3| 30.76| 30.28|30.639| 3.0| 2.8|302| 27| W| 13|290| 45 |
|18| 18.3 | -6.7 | 5.8 | 4.4 | 1| 85| 59| 0|.........| 7| 0.00| 2.5| 30.74| 29.64|30.306| 1.0| 0.9|144| 18| SE| 9|151| 10 |
|19| | | | | | | | | | | | | | | | | | | | | | | |
|20| | | | | | | | | | | | | | | | | | | | | | | |
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|23| | | | | | | | | | | | | | | | | | | | | | | |
|24| | | | | | | | | | | | | | | | | | | | | | | |
|25| | | | | | | | | | | | | | | | | | | | | | | |
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|26| | | | | | | | | | | | | | | | | | | | | | | |
|27| | | | | | | | | | | | | | | | | | | | | | | |
|28| | | | | | | | | | | | | | | | | | | | | | | |
|29| | | | | | | | | | | | | | | | | | | | | | | |
|30| | | | | | | | | | | | | | | | | | | | | | | |
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|31| | | | | | | | | | | | | | | | | | | | | | | |
+--+------+------+------+------+---+----+----+----+---------+--+-----+-----+------+------+------+----+----+---+---+---+---+---+------+
| Sum | Sum |------|------|---|----| Ttl| Ttl| |Total|Total| For the month: | ---- |
+------+------+------+------+---+----+----+----+ Number of +-----+-----+------+------+------+----+----+---+---+---+---+---+------+
| 562.0| 290.6|------|------|---|----| 738| 0| Days | 2.91| 17.9| 30.76| 29.44|30.217| 2.9| 1.8|201| 41| S| 21|170| ---- |
+------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+---+---+---+---+------+
| Avg | Avg | Avg | Mean |Avg| Avg|----|----|Precip | Season Ttl| Date | Date |------|----|----|---| Date | Date | Avg |
+------+------+------+------+---+----+----+----+ +-----+-----+------+------+------+----+----+---+-------+-------+------+
| 31.2| 16.1| 23.7 | 24.3 | 21|86.2|----|----|≥.01 Inch 12| 2.91| 48.1| 17 | 1 |------|----|----|---| 10 | 10 | 15|
+------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+-------+-------+------+
| | Season |Snow, Ice | | |
| Number of Days | to Date |≥1.0 Inch 6| Greatest in 24 Hours and Dates | Greatest Depth on Ground |
+------------------+-----------------+----+----+------------+--------------+-----------------+ of Snow, Ice Pellets or Ice |
| Max Temperature | Min Temperature |4022| 0|Thunder 0|Precipitation | Snow, Ice Plts | and Date |
+--------+---------+--------+--------+----+----+------------+-------+------+---------+-------+-------------+----------------------+
| ≥90°F | ≤32°F | ≤32°F | ≤0°F |----|----|Heavy Fog 0| 0.00| - | 6.2 | 16 | 7 | 16+ |
+--------+---------+--------+--------+----+----+------------+-------+------+---------+----+--+-------------+----------------------+
| 0 | 10 | 16 | 3 |----|----| Clear 0 Partly Cloudy 2 Cloudy 16 |
+--------+---------+--------+--------+----+----+------------------------------------------+
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
January 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 |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| JAN 1 | JAN 2 | JAN 3 |
| | | |
|00| 0|29.45| 0.00| 30| 28| 94|23| 2| 8| 0|29.72| 0.00| 30| 25| 82|23| 4| 14| 0|29.66| 0.00| 37| 30| 74|18| 7| 18|
|03| 0|29.43| 0.00| 29| 27| 94|18| 2| 7| 0|29.75| 0.00| 28| 23| 82|24| 3| 8| 0|29.69| 0.00| 37| 30| 76|17| 4| 11|
|06| 0|29.45| 0.00| 29| 27| 93|20| 2| 5| 0|29.77| 0.00| 26| 23| 88|17| 2| 6| 0|29.69| 0.00| 37| 31| 77|19| 5| 12|
|09| 0|29.48| 0.00| 29| 27| 94|20| 2| 7| 9|29.78| 0.00| 28| 24| 84|18| 7| 20| 14|29.70| 0.00| 38| 31| 76|18| 6| 13|
|12| 5|29.51| 0.00| 30| 27| 89|23| 2| 8| 171|29.73| 0.00| 34| 26| 72|18| 9| 15| 37|29.67| 0.00| 39| 32| 76|17| 6| 14|
|15| 5|29.55| 0.00| 31| 28| 89|22| 2| 5| 107|29.72| 0.00| 35| 28| 74|16| 6| 14| 11|29.69| 0.00| 39| 33| 79|18| 2| 4|
|18| 0|29.62| 0.00| 31| 28| 89|20| 3| 12| 0|29.69| 0.00| 35| 29| 76|17| 7| 13| 0|29.70| 0.00| 39| 34| 82|18| 2| 4|
|21| 0|29.68| 0.00| 29| 25| 82|23| 7| 14| 0|29.68| 0.00| 37| 29| 73|17| 9| 21| 0|29.77| 0.00| 36| 34| 93|18| 0| 0|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| JAN 4 | JAN 5 | JAN 6 |
| | | |
|00| 0|29.75| 0.00| 36| 34| 91|18| 0| 0| 0|29.60| 0.00| 26| 25| 95|30| 0| 5| 0|29.90| 0.00| 10| 8| 90|28| 0| 0|
|03| 0|29.76| 0.00| 34| 32| 92|33| 0| 2| 0|29.62| 0.00| 26| 24| 94|34| 2| 4| 0|29.88| 0.00| 9| 6| 89|28| 0| 0|
|06| 0|29.73| 0.00| 34| 31| 91|35| 1| 4| 0|29.67| 0.00| 24| 23| 93|28| 2| 10| 0|29.85| 0.00| 12| 9| 90|28| 0| 0|
|09| 12|29.70| 0.00| 33| 30| 87|35| 1| 3| 9|29.75| 0.00| 23| 21| 91|28| 3| 10| 14|29.85| 0.00| 16| 14| 92|28| 0| 0|
|12| 26|29.65| 0.00| 34| 30| 85|35| 0| 2| 26|29.78| 0.00| 23| 19| 84|28| 4| 13| 11|29.77| 0.00| 24| 22| 90|16| 5| 9|
|15| 23|29.59| 0.00| 32| 30| 94|32| 0| 3| 9|29.83| 0.00| 21| 16| 83|28| 6| 14| 7|29.75| 0.00| 28| 25| 89|17| 6| 18|
|18| 0|29.60| 0.00| 30| 29| 95|33| 0| 0| 0|29.89| 0.00| 19| 14| 83|28| 2| 10| 0|29.81| 0.00| 29| 26| 91|16| 4| 8|
|21| 0|29.61| 0.00| 27| 26| 94|30| 1| 8| 0|29.91| 0.00| 15| 12| 86|28| 0| 1| 0|29.83| 0.00| 27| 24| 89|18| 3| 9|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| JAN 7 | JAN 8 | JAN 9 |
| | | |
|00| 0|29.81| 0.00| 27| 23| 83|18| 6| 13| 0|29.82| 0.00| 27| 25| 92|18| 1| 5| 0|30.29| 0.00| 11| 4| 74|27| 9| 17|
|03| 0|29.89| 0.00| 25| 20| 81|23| 1| 8| 0|29.75| 0.00| 28| 24| 84|14| 2| 5| 0|30.46| 0.00| 8| 1| 72|29| 4| 12|
|06| 0|29.94| 0.00| 24| 20| 87|27| 0| 7| 0|29.71| 0.00| 26| 24| 92|17| 1| 4| 0|30.58| 0.00| 2| -3| 79|28| 0| 0|
|09| 7|29.99| 0.00| 23| 20| 89|27| 0| 0| 7|29.71| 0.00| 27| 25| 93|17| 7| 15| 30|30.69| 0.00| 2| -3| 81|34| 1| 8|
|12| 25|29.95| 0.00| 26| 22| 83|02| 0| 3| 42|29.70| 0.00| 32| 28| 86|22| 2| 10| 445|30.71| 0.00| 9| -0| 67|13| 1| 4|
|15| 16|29.92| 0.00| 30| 23| 75|19| 1| 4| 0|29.80| 0.00| 28| 23| 82|25| 10| 24| 127|30.70| 0.00| 13| 2| 61|20| 3| 7|
|18| 0|29.92| 0.00| 28| 22| 80|17| 0| 3| 0|29.96| 0.00| 23| 14| 69|24| 7| 19| 0|30.68| 0.00| 11| 5| 76|13| 0| 0|
|21| 0|29.86| 0.00| 26| 22| 84|16| 0| 0| 0|30.16| 0.00| 16| 9| 72|26| 10| 17| 0|30.62| 0.00| 16| 6| 64|16| 2| 10|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| JAN 10 | JAN 11 | JAN 12 |
| | | |
|00| 0|30.44| 0.00| 20| 6| 54|16| 10| 24| 0|30.27| 0.00| 39| 36| 92|17| 5| 15| 0|29.84| 0.00| 33| 32| 96|30| 0| 2|
|03| 0|30.37| 0.00| 26| 7| 43|16| 14| 32| 0|30.21| 0.00| 40| 39| 95|17| 3| 11| 0|29.79| 0.00| 31| 30| 96|30| 0| 1|
|06| 0|30.32| 0.00| 29| 13| 50|16| 8| 29| 0|30.08| 0.00| 44| 42| 93|17| 8| 22| 0|29.64| 0.00| 31| 30| 97|26| 0| 0|
|09| 14|30.31| 0.00| 30| 18| 61|17| 10| 34| 62|29.96| 0.00| 47| 44| 90|18| 11| 23| 16|29.70| 0.00| 29| 28| 96|26| 0| 0|
|12| 79|30.28| 0.00| 33| 24| 71|17| 11| 26| 88|29.86| 0.00| 53| 48| 83|17| 8| 29| 65|29.88| 0.00| 31| 31| 97|26| 0| 0|
|15| 25|30.26| 0.00| 35| 28| 76|18| 5| 18| 11|29.81| 0.00| 53| 50| 88|17| 8| 15| 18|30.20| 0.00| 19| 17| 91|26| 0| 0|
|18| 0|30.28| 0.00| 37| 31| 80|18| 9| 22| 0|29.85| 0.00| 50| 49| 95|24| 3| 12| 0|30.37| 0.00| 20| 18| 91|26| 0| 0|
|21| 0|30.28| 0.00| 38| 34| 85|16| 6| 14| 0|29.84| 0.00| 38| 37| 95|34| 1| 8| 0|30.44| 0.00| 17| 15| 91|26| 0| 0|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| JAN 13 | JAN 14 | JAN 15 |
| | | |
|00| 0|30.47| 0.00| 16| 14| 92|26| 0| 0| 0|30.36| 0.00| 23| 21| 93|26| 0| 0| 0|29.97| 0.00| 33| 32| 94|25| 0| 0|
|03| 0|30.50| 0.00| 18| 16| 91|26| 0| 0| 0|30.39| 0.00| 23| 21| 93|26| 0| 0| 0|30.02| 0.00| 33| 32| 96|26| 0| 3|
|06| 0|30.41| 0.00| 19| 17| 92|26| 0| 0| 0|30.39| 0.00| 20| 19| 94|26| 0| 0| 0|30.05| 0.00| 32| 31| 97|26| 0| 0|
|09| 42|30.37| 0.00| 23| 21| 93|26| 0| 0| 26|30.33| 0.00| 21| 20| 94|26| 0| 0| 7|30.10| 0.00| 31| 30| 96|26| 0| 2|
|12| 35|30.33| 0.00| 26| 24| 93|26| 0| 0| 40|30.29| 0.00| 25| 24| 93|26| 0| 0| 30|30.09| 0.00| 32| 31| 95|26| 0| 0|
|15| 14|30.30| 0.00| 29| 27| 94|26| 0| 0| 33|30.16| 0.00| 28| 26| 94|26| 0| 0| 32|30.09| 0.00| 33| 30| 91|27| 0| 0|
|18| 0|30.34| 0.00| 24| 22| 94|26| 0| 0| 0|30.08| 0.00| 26| 25| 96|26| 0| 0| 0|30.12| 0.00| 31| 30| 95|27| 0| 0|
|21| 0|30.36| 0.00| 24| 23| 94|26| 0| 0| 0|30.01| 0.00| 29| 27| 95|26| 0| 0| 0|30.06| 0.00| 30| 29| 94|01| 2| 6|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| JAN 16 | JAN 17 | JAN 18 |
| | | |
|00| 0|29.98| 0.00| 29| 27| 95|01| 0| 3| 0|30.29| 0.00| 10| 6| 83|31| 6| 14| 0|30.74| 0.00| -4| -8| 83|05| 0| 0|
|03| 0|29.89| 0.00| 28| 27| 96|01| 0| 2| 0|30.43| 0.00| 5| 2| 85|29| 10| 19| 0|30.70| 0.00| -6| -9| 85|06| 0| 0|
|06| 0|29.82| 0.00| 29| 28| 96|01| 0| 4| 0|30.59| 0.00| -0| -4| 85|31| 2| 15| 0|30.63| 0.00| -3| -6| 86|06| 0| 0|
|09| 9|29.79| 0.00| 28| 27| 96|33| 1| 4| 18|30.69| 0.00| -3| -7| 82|27| 5| 12| 26|30.54| 0.00| 0| -3| 85|06| 0| 3|
|12| 14|29.85| 0.00| 27| 26| 94|29| 4| 15| 214|30.71| 0.00| 2| -4| 77|27| 4| 9| 40|30.39| 0.00| 5| -0| 78|03| 1| 4|
|15| 7|29.90| 0.00| 26| 23| 90|30| 2| 11| 220|30.71| 0.00| 4| -3| 73|00| 3| 8| 18|30.21| 0.00| 8| 3| 78|05| 0| 0|
|18| 0|30.03| 0.00| 21| 19| 91|29| 5| 19| 0|30.73| 0.00| -3| -7| 84|34| 0| 2| 0|29.97| 0.00| 9| 6| 89|07| 0| 0|
|21| 0|30.17| 0.00| 15| 12| 86|28| 7| 16| 0|30.74| 0.00| -9|-13| 83|05| 0| 0| 0|29.81| 0.00| 14| 12| 90|15| 2| 11|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
MAXIMUM SHORT DURATION PRECIPITATION
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Time Period (minutes) | 5 | 10 | 15 | 20 | 30 | 45 | 60 | 80 | 100 | 120 | 150 | 180 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Precipitation | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Ended: Date | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Ended: Time | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
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
January 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 |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| JAN 19 | JAN 20 | JAN 21 |
| | | |
|00| 0|29.64| 0.00| 18| 16| 89|14| 5| 14| | | | | | | | | | | | | | | | | | |
|03| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|06| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|09| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|12| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|15| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|18| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|21| | | | | | | | | | | | | | | | | | | | | | | | | | | |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| JAN 22 | JAN 23 | JAN 24 |
| | | |
|00| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|03| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|06| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|09| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|12| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|15| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|18| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|21| | | | | | | | | | | | | | | | | | | | | | | | | | | |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| JAN 25 | JAN 26 | JAN 27 |
| | | |
|00| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|03| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|06| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|09| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|12| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|15| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|18| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|21| | | | | | | | | | | | | | | | | | | | | | | | | | | |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| JAN 28 | JAN 29 | JAN 30 |
| | | |
|00| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|03| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|06| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|09| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|12| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|15| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|18| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|21| | | | | | | | | | | | | | | | | | | | | | | | | | | |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| JAN 31 | | |
| | | |
|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|29.999| 24| 20| 87| 3.0| 20 | 1.8|
|03| 0|30.029| 23| 20| 86| 2.4| 21 | 1.3|
|06| 0|30.018| 23| 20| 88| 1.7| 19 | 1.2|
|09| 18|30.026| 24| 21| 88| 3.0| 19 | 2.3|
|12| 77|30.010| 27| 23| 84| 3.1| 20 | 2.1|
|15| 38|30.010| 27| 23| 83| 3.0| 21 | 1.9|
|18| 0|30.036| 25| 22| 86| 2.3| 22 | 1.7|
|21| 0|30.045| 24| 20| 86| 2.7| 22 | 1.6|
+--+----+------+---+---+---+-----+----+----+
HOURLY PRECIPITATION (Water Equivalent)
January 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| | | | | | | | | | | | | | | | | | | | | | | | |02
03| | | | | | | | | | | | | | | | | | | | | | | | |03
04| | | | | | | | | | | | | | | | | | | | | | | | |04
05| | | | | | | | | | | | | | | | | | | | | | | | |05
| | | | | | | | | | | | | | | | | | | | | | | | |
06| | | | | | | | | | | | | | | | | | | | | | | | |06
07| | | | | | | | | | | | | | | | | | | | | | | | |07
08| | | | | | | | | | | | | | | | | | | | | | | | |08
09| | | | | | | | | | | | | | | | | | | | | | | | |09
10| | | | | | | | | | | | | | | | | | | | | | | | |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
31| | | | | | | | | | | | | | | | | | | | | | | | |31
---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+---
Sum|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|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.)
|
 |
Current Radar Loop:
Sun Position
|
|
