|
|
 |
Westford: April 2014
LOCAL CLIMATOLOGICAL DATA
Monthly Summary
April 2014
Station: Westford
Latitude: 44° 37' 39" 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 | Minute| 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 | m^2 |
| | | | | | | | | |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| 46.1 | 21.8 | 33.9 | 34.0 | 23| 64| 31| 0|.........|12| 0.00| 0.0| 30.17| 29.95|30.081| 0.7| 0.4|354| 17|NNE| 8| 33| 230 |
|02| 51.8 | 36.1 | 43.9 | 43.1 | 30| 60| 21| 0|.........| 9| 0.00| 0.0| 30.04| 29.91|29.961| 2.9| 2.5|223| 15| S| 9|253| 199 |
|03| 38.6 | 26.5 | 32.5 | 32.3 | 23| 68| 32| 0|.........| 9| 0.00| 0.0| 30.17| 30.04|30.115| 0.9| 0.9|309| 19|WNW| 9|288| 189 |
|04| 50.0 | 20.9 | 35.5 | 35.0 | 24| 68| 29| 0|.........| 8| 0.21| 0.0| 30.16| 29.69|29.942| 1.9| 1.9|180| 26| S| 12|169| 178 |
|05| 41.3 | 32.0 | 36.7 | 35.4 | 30| 80| 28| 0|.........| 5| 0.08| T | 29.93| 29.62|29.708| 4.7| 3.7|242| 27|WNW| 16|293| 83 |
| | | | | | | | | | | | | | | | | | | | | | | | |
|06| 49.1 | 29.1 | 39.1 | 37.6 | 23| 57| 26| 0|.........| 2| 0.00| 0.0| 30.13| 29.92|30.056| 2.6| 2.5|296| 24| W| 14|291| 226 |
|07| 57.9 | 30.5 | 44.2 | 44.7 | 26| 50| 20| 0|.........| 2| 0.04| 0.0| 30.14| 29.77|30.028| 1.4| 1.3|199| 22| SW| 11|192| 166 |
|08| 53.1 | 34.3 | 43.7 | 43.7 | 40| 86| 21| 0|.........| T| 0.40| 0.0| 29.77| 29.18|29.373| 4.7| 3.9|222| 32|WSW| 21|274| 71 |
|09| 41.3 | 27.8 | 34.5 | 35.8 | 24| 66| 30| 0|.........| T| T | T | 29.91| 29.50|29.704| 3.1| 3.1|318| 24|WNW| 14|331| 220 |
|10| 59.2 | 26.4 | 42.8 | 44.8 | 25| 48| 22| 0|.........| 0| 0.00| 0.0| 29.99| 29.70|29.856| 6.6| 6.6|204| 35|SSW| 17|200| 218 |
| | | | | | | | | | | | | | | | | | | | | | | | |
|11| 59.3 | 34.2 | 46.8 | 49.1 | 34| 59| 18| 0|.........| 0| 0.06| 0.0| 29.98| 29.73|29.886| 3.0| 2.6|254| 28|SSE| 15|214| 193 |
|12| 59.6 | 33.2 | 46.4 | 46.3 | 31| 57| 18| 0|.........| 0| 0.00| 0.0| 30.18| 29.97|30.075| 1.9| 1.3|254| 20|WNW| 12|284| 217 |
|13| 64.8 | 41.3 | 53.1 | 50.0 | 41| 73| 12| 0|..3......| 0| 0.22| 0.0| 30.17| 29.78|29.971| 2.3| 2.1|184| 22|SSE| 11|194| 110 |
|14| 78.1*| 44.0 | 61.0*| 63.9 | 52| 69| 4| 0|..3......| 0| 0.23| 0.0| 29.87| 29.51|29.679| 6.6| 6.3|209| 35|SSE| 18|214| 177 |
|15| 63.7 | 22.7 | 43.2 | 49.0 | 47| 92| 21| 0|.........| 3| 1.35| 2.6| 29.88| 29.33|29.555| 3.6| 2.3|224| 33| W| 22|283| 29 |
| | | | | | | | | | | | | | | | | | | | | | | | |
|16| 31.8 | 16.9 | 24.3*| 23.2 | 15| 73| 40| 0|.........| 2| 0.21| 3.2| 30.63| 29.84|30.301| 3.2| 3.2|323| 22|WNW| 13|315| 216 |
|17| 46.8 | 15.3*| 31.0 | 32.3 | 17| 58| 34| 0|.........| T| 0.05| 0.0| 30.75| 30.55|30.657| 1.0| 1.0|200| 15| SW| 7|186| 253 |
|18| 36.2 | 36.1 | 36.2 | 36.1 | 20| 52| 29| 0|.........| 0| 0.00| 0.0| 30.55| 30.55|30.546| 3.0| 3.0|196| 9|SSE| 4|201| 0 |
|19| | | | | | | | | | | | | | | | | | | | | | | |
|20| | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | |
|21| | | | | | | | | | | | | | | | | | | | | | | |
|22| | | | | | | | | | | | | | | | | | | | | | | |
|23| | | | | | | | | | | | | | | | | | | | | | | |
|24| | | | | | | | | | | | | | | | | | | | | | | |
|25| | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | |
|26| | | | | | | | | | | | | | | | | | | | | | | |
|27| | | | | | | | | | | | | | | | | | | | | | | |
|28| | | | | | | | | | | | | | | | | | | | | | | |
|29| | | | | | | | | | | | | | | | | | | | | | | |
|30| | | | | | | | | | | | | | | | | | | | | | | |
+--+------+------+------+------+---+----+----+----+---------+--+-----+-----+------+------+------+----+----+---+---+---+---+---+------+
| Sum | Sum |------|------|---|----| Ttl| Ttl| |Total|Total| For the month: | ---- |
+------+------+------+------+---+----+----+----+ Number of +-----+-----+------+------+------+----+----+---+---+---+---+---+------+
| 928.7| 529.1|------|------|---|----| 436| 0| Days | 2.85| 5.8| 30.75| 29.18|29.972| 3.0| 2.0|231| 35|SSW| 22|283| ---- |
+------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+---+---+---+---+------+
| Avg | Avg | Avg | Mean |Avg| Avg|----|----|Precip | Season Ttl| Date | Date |------|----|----|---| Date | Date | Avg |
+------+------+------+------+---+----+----+----+ +-----+-----+------+------+------+----+----+---+-------+-------+------+
| 51.6| 29.4| 40.5 | 40.9 | 29|65.6|----|----|≥.01 Inch 10|11.04| 94.0| 17 | 8 |------|----|----|---| 10+ | 15 | 165|
+------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+-------+-------+------+
| | Season |Snow, Ice | | |
| Number of Days | to Date |≥1.0 Inch 2| Greatest in 24 Hours and Dates | Greatest Depth on Ground |
+------------------+-----------------+----+----+------------+--------------+-----------------+ of Snow, Ice Pellets or Ice |
| Max Temperature | Min Temperature |7759| 0|Thunder 2|Precipitation | Snow, Ice Plts | and Date |
+--------+---------+--------+--------+----+----+------------+-------+------+---------+-------+-------------+----------------------+
| ≥90°F | ≤32°F | ≤32°F | ≤0°F |----|----|Heavy Fog 0| 1.51| 14-15| 3.2 | 16 | 12 | 1 |
+--------+---------+--------+--------+----+----+------------+-------+------+---------+----+--+-------------+----------------------+
| 0 | 1 | 11 | 0 |----|----| Clear 1 Partly Cloudy 11 Cloudy 5 |
+--------+---------+--------+--------+----+----+------------------------------------------+
NOTES:
Data in column 4A are (MAX+MIN) / 2, whereas data in columns 4B, 5, 6, 15, 16, 23 are means via continuous observations
Units are: Temperature=°F, Wind=mph, Pressure=Inches Hg, Precipitation=inches.
for 24 hours.
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/m^2 and is continuously averaged for 24 hours.
Data in columns 4B, 5, 6, 15, 16, 23 are updated continuously, there by achieving a "true" mean.
OBSERVATIONS AT 3-HOUR INTERVALS
April 2014: 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 |
| | | |
|01| 0|30.17| 0.00| 29| 24| 80|05| 0| 5| 0|29.91| 0.00| 42| 29| 59|20| 4| 9| 0|30.05| 0.00| 35| 25| 67|28| 6| 10|
|04| 0|30.14| 0.00| 28| 20| 73|35| 0| 7| 0|29.93| 0.00| 41| 28| 59|19| 1| 8| 0|30.08| 0.00| 31| 23| 72|31| 0| 8|
|07| 14|30.14| 0.00| 22| 18| 82|02| 0| 0| 19|29.95| 0.00| 40| 31| 70|21| 4| 10| 16|30.10| 0.00| 27| 21| 79|32| 0| 0|
|10| 538|30.13| 0.00| 35| 23| 61|33| 0| 0| 364|29.97| 0.00| 44| 33| 66|20| 4| 12| 726|30.13| 0.00| 33| 23| 68|30| 3| 12|
|13| 786|30.11| 0.00| 39| 24| 54|30| 0| 5| 404|29.97| 0.00| 47| 33| 59|18| 3| 12| 434|30.13| 0.00| 34| 22| 62|00| 0| 5|
|16| 483|30.03| 0.00| 46| 22| 39|32| 0| 0| 541|29.94| 0.00| 51| 33| 50|25| 2| 11| 540|30.13| 0.00| 38| 22| 53|00| 1| 4|
|19| 19|29.99| 0.00| 37| 25| 61|05| 0| 0| 21|29.97| 0.00| 45| 28| 51|27| 2| 9| 18|30.12| 0.00| 33| 22| 65|03| 0| 2|
|22| 0|29.99| 0.00| 33| 26| 76|20| 0| 0| 0|30.01| 0.00| 38| 26| 61|29| 0| 4| 0|30.16| 0.00| 27| 20| 76|02| 0| 0|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| APR 4 | APR 5 | APR 6 |
| | | |
|01| 0|30.14| 0.00| 26| 20| 80|03| 0| 0| 0|29.66| 0.00| 36| 31| 84|18| 8| 21| 0|29.94| 0.00| 32| 23| 69|29| 4| 20|
|04| 0|30.09| 0.00| 25| 19| 77|02| 0| 0| 0|29.63| 0.00| 36| 32| 85|21| 1| 11| 0|30.00| 0.00| 31| 23| 72|28| 3| 15|
|07| 18|30.08| 0.00| 22| 18| 83|02| 0| 0| 0|29.66| 0.00| 34| 33| 95|30| 2| 5| 23|30.07| 0.00| 30| 22| 72|31| 1| 9|
|10| 548|30.05| 0.00| 38| 21| 51|13| 0| 2| 111|29.65| 0.00| 36| 35| 95|21| 3| 9| 738|30.09| 0.00| 35| 24| 64|28| 3| 8|
|13| 738|29.95| 0.00| 48| 25| 40|06| 1| 4| 343|29.65| 0.00| 40| 31| 71|25| 3| 12| 788|30.08| 0.00| 41| 24| 50|26| 2| 7|
|16| 105|29.83| 0.00| 47| 26| 44|19| 0| 10| 134|29.70| 0.00| 37| 26| 63|27| 7| 22| 540|30.07| 0.00| 46| 22| 37|31| 3| 9|
|19| 0|29.72| 0.06| 38| 33| 83|17| 2| 12| 0|29.80| 0.00| 33| 26| 77|25| 5| 16| 23|30.05| 0.00| 47| 24| 41|22| 0| 5|
|22| 0|29.73| 0.00| 35| 32| 87|19| 6| 17| 0|29.89| 0.00| 33| 25| 71|30| 5| 18| 0|30.12| 0.00| 42| 23| 46|26| 1| 8|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| APR 7 | APR 8 | APR 9 |
| | | |
|01| 0|30.13| 0.00| 35| 22| 59|31| 0| 0| 0|29.72| 0.00| 39| 35| 87|16| 0| 4| 0|29.52| 0.00| 38| 36| 91|27| 2| 6|
|04| 0|30.14| 0.00| 36| 23| 60|21| 0| 0| 0|29.50| 0.25| 43| 40| 89|17| 8| 18| 0|29.55| 0.00| 37| 34| 88|31| 5| 17|
|07| 51|30.12| 0.00| 31| 22| 71|20| 0| 0| 16|29.32| 0.00| 45| 41| 86|18| 7| 17| 5|29.60| 0.00| 35| 31| 85|29| 4| 14|
|10| 403|30.12| 0.00| 49| 27| 42|21| 2| 5| 299|29.25| 0.00| 48| 43| 83|19| 7| 14| 246|29.69| 0.00| 33| 26| 76|31| 2| 13|
|13| 441|30.04| 0.00| 57| 28| 33|22| 4| 12| 227|29.21| 0.00| 53| 47| 81|19| 6| 18| 812|29.71| 0.00| 40| 25| 55|32| 7| 18|
|16| 225|29.97| 0.00| 53| 26| 35|18| 2| 9| 81|29.21| 0.05| 48| 46| 94|28| 5| 12| 570|29.77| 0.00| 39| 17| 40|32| 10| 24|
|19| 16|29.92| 0.00| 48| 26| 43|18| 0| 6| 0|29.36| 0.00| 40| 35| 82|24| 3| 11| 26|29.82| 0.00| 36| 16| 43|31| 0| 14|
|22| 0|29.84| 0.00| 48| 30| 49|17| 2| 10| 0|29.47| 0.08| 35| 33| 94|25| 2| 10| 0|29.89| 0.00| 30| 15| 52|32| 0| 0|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| APR 10 | APR 11 | APR 12 |
| | | |
|01| 0|29.91| 0.00| 27| 16| 63|21| 0| 0| 0|29.75| 0.00| 53| 33| 47|20| 5| 19| 0|29.98| 0.00| 36| 25| 65|06| 0| 0|
|04| 0|29.94| 0.00| 29| 17| 61|21| 2| 4| 0|29.81| 0.06| 44| 40| 86|24| 1| 9| 0|30.00| 0.00| 35| 27| 73|16| 1| 4|
|07| 23|29.97| 0.00| 31| 20| 65|19| 3| 10| 37|29.87| 0.00| 42| 40| 91|20| 0| 0| 26|30.03| 0.00| 38| 33| 82|18| 4| 7|
|10| 624|29.96| 0.00| 44| 25| 48|20| 9| 29| 577|29.92| 0.00| 53| 38| 57|26| 2| 16| 350|30.08| 0.00| 48| 34| 59|22| 3| 10|
|13| 587|29.88| 0.00| 53| 29| 40|20| 8| 21| 381|29.90| 0.00| 55| 36| 49|29| 6| 14| 798|30.08| 0.00| 57| 34| 42|29| 2| 18|
|16| 464|29.77| 0.00| 58| 31| 36|19| 16| 27| 163|29.91| 0.00| 55| 25| 32|31| 1| 12| 408|30.09| 0.00| 57| 30| 36|31| 1| 15|
|19| 39|29.71| 0.00| 57| 31| 37|19| 9| 21| 56|29.94| 0.00| 52| 29| 42|32| 0| 0| 16|30.13| 0.00| 51| 30| 44|04| 0| 2|
|22| 0|29.74| 0.00| 56| 32| 41|20| 11| 21| 0|29.98| 0.00| 39| 30| 69|06| 0| 0| 0|30.18| 0.00| 45| 33| 62|07| 0| 0|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| APR 13 | APR 14 | APR 15 |
| | | |
|01| 0|30.17| 0.00| 45| 35| 68|30| 0| 0| 0|29.84| 0.00| 49| 46| 91|03| 0| 0| 0|29.62| 0.00| 59| 56| 91|18| 5| 13|
|04| 0|30.13| 0.00| 42| 33| 69|07| 0| 0| 0|29.79| 0.00| 51| 50| 97|19| 2| 6| 0|29.58| 0.00| 57| 55| 92|18| 4| 9|
|07| 7|30.09| 0.00| 46| 37| 72|21| 1| 8| 35|29.73| 0.00| 58| 52| 81|20| 7| 11| 12|29.53| 0.00| 59| 56| 89|20| 2| 14|
|10| 54|30.03| 0.00| 44| 40| 89|18| 5| 15| 462|29.69| 0.00| 69| 56| 64|18| 10| 22| 58|29.42| 0.00| 63| 57| 79|18| 12| 27|
|13| 287|29.96| 0.00| 50| 45| 81|19| 3| 11| 578|29.64| 0.00| 75| 54| 48|19| 11| 31| 76|29.34| 0.06| 61| 59| 94|20| 5| 19|
|16| 417|29.85| 0.00| 64| 47| 55|18| 6| 18| 329|29.57| 0.00| 76| 54| 46|19| 9| 30| 60|29.48| 0.10| 44| 43| 96|04| 0| 9|
|19| 54|29.81| 0.00| 60| 46| 59|18| 3| 11| 51|29.55| 0.00| 72| 52| 49|20| 7| 25| 5|29.64| 0.00| 32| 31| 96|31| 2| 15|
|22| 0|29.78| 0.00| 56| 46| 70|20| 0| 5| 0|29.66| 0.15| 59| 56| 91|25| 5| 18| 0|29.77| 0.00| 26| 25| 96|34| 0| 10|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| APR 16 | APR 17 | APR 18 |
| | | |
|01| 0|29.88| 0.00| 22| 21| 94|31| 8| 17| 0|30.64| 0.00| 18| 15| 90|04| 0| 0| | | | | | | | | |
|04| 0|29.98| 0.00| 19| 16| 88|32| 0| 12| 0|30.68| 0.00| 15| 13| 92|04| 0| 0| | | | | | | | | |
|07| 23|30.13| 0.00| 17| 13| 84|32| 4| 17| 32|30.72| 0.00| 19| 15| 84|02| 0| 0| | | | | | | | | |
|10| 163|30.31| 0.00| 21| 13| 72|30| 11| 19| 540|30.75| 0.00| 35| 15| 44|26| 0| 0| | | | | | | | | |
|13| 879|30.41| 0.00| 26| 15| 64|34| 1| 17| 780|30.71| 0.00| 40| 19| 42|21| 3| 11| | | | | | | | | |
|16| 585|30.46| 0.00| 30| 15| 54|33| 0| 12| 582|30.64| 0.00| 46| 20| 35|22| 0| 7| | | | | | | | | |
|19| 37|30.51| 0.00| 29| 16| 59|04| 0| 0| 69|30.57| 0.00| 45| 18| 34|17| 4| 8| | | | | | | | | |
|22| 0|30.58| 0.00| 21| 16| 82|04| 0| 0| 0|30.55| 0.00| 38| 19| 47|19| 1| 10| | | | | | | | | |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
MAXIMUM SHORT DURATION PRECIPITATION
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Time Period (minutes) | 5 | 10 | 15 | 20 | 30 | 45 | 60 | 80 | 100 | 120 | 150 | 180 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Precipitation | 0.07 | 0.10 | 0.14 | 0.16 | 0.22 | 0.29 | 0.34 | 0.37 | 0.44 | 0.52 | 0.60 | 0.64 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Ended: Date | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Ended: Time | 1351 | 1350 | 1353 | 1350 | 1356 | 1412 | 1426 | 1445 | 1506 | 1527 | 1554 | 1626 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
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 2014: 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 |
| | | |
|01| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|04| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|07| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|10| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|13| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|16| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|19| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|22| | | | | | | | | | | | | | | | | | | | | | | | | | | |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| APR 22 | APR 23 | APR 24 |
| | | |
|01| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|04| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|07| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|10| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|13| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|16| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|19| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|22| | | | | | | | | | | | | | | | | | | | | | | | | | | |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| APR 25 | APR 26 | APR 27 |
| | | |
|01| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|04| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|07| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|10| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|13| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|16| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|19| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|22| | | | | | | | | | | | | | | | | | | | | | | | | | | |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| APR 28 | APR 29 | APR 30 |
| | | |
|01| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|04| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|07| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|10| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|13| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|16| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|19| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|22| | | | | | | | | | | | | | | | | | | | | | | | | | | |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
+------------------------------------------+---------------------------------------+---------------------------------------+
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 0.01" 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 |
+--+----+------+---+---+---+-----+----+----+
|01| 0|29.943| 36| 29| 76| 2.5| 24 | 1.5|
|04| 0|29.938| 35| 29| 78| 1.6| 21 | 0.9|
|07| 21|29.947| 35| 29| 81| 2.2| 22 | 1.4|
|10| 400|29.956| 43| 31| 66| 4.5| 22 | 3.1|
|13| 549|29.927| 48| 32| 57| 3.9| 23 | 2.6|
|16| 366|29.908| 49| 30| 50| 3.7| 24 | 2.2|
|19| 26|29.918| 44| 29| 57| 2.2| 21 | 1.7|
|22| 0|29.961| 39| 29| 69| 2.1| 23 | 1.6|
+--+----+------+---+---+---+-----+----+----+
HOURLY PRECIPITATION (Water Equivalent)
April 2014: 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| | | | | | | | | | | | | | | | | |0.02|0.05|0.02|0.08|0.01|0.03| |04
05| | | | | | |0.02|0.04|0.01| | | | | | | | |0.01| | | | | | |05
| | | | | | | | | | | | | | | | | | | | | | | | |
06| | | | | | | | | | | | | | | | | | | | | | | | |06
07| | | | | | | | | | | | | | | | | | | | | | | |0.04|07
08| | | |0.08|0.10| | | | | | | | | | |0.04| | | | |0.05|0.10|0.03| |08
09| | | | | | | | | | | | | | | | | | | | | | | | |09
10| | | | | | | | | | | | | | | | | | | | | | | | |10
| | | | | | | | | | | | | | | | | | | | | | | | |
11| | | |0.05|0.01| | | | | | | | | | | | | | | | | | | |11
12| | | | | | | | | | | | | | | | | | | | | | | | |12
13| | | | | | |0.01|0.12|0.02|0.04|0.02| | | | | | | | | | | |0.01| |13
14|0.01|0.05| | | | | | | |0.01| | | | | | | | | | | |0.06|0.08|0.02|14
15| |0.11|0.24| | | | | | | |0.02|0.06|0.08|0.25|0.19|0.18|0.08|0.10|0.04| | | | | |15
| | | | | | | | | | | | | | | | | | | | | | | | |
16| | | | | | | | | | | |0.01|0.01|0.05|0.06|0.04|0.02|0.01|0.01| | | | | |16
17| | | | | | | | | | |0.01|0.01|0.02|0.01| | | | | | | | | | |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|0.01|0.16|0.24|0.13|0.11|0.00|0.03|0.16|0.03|0.05|0.05|0.08|0.11|0.31|0.25|0.26|0.10|0.14|0.10|0.02|0.13|0.17|0.15|0.06|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
|
|
