LOCAL CLIMATOLOGICAL DATA
Hourly Summary
April 30, 2025

Station: Westford
Latitude: 44° 37' 38" N
Longitude: 73° 02' 30" W
Elevation (ground): 850 ft.
Time Zone: Eastern

+--+------------------------+----+-----+--------------------+------------------------+------+
|  |       Temperature      |    | Pre-|      Pressure      |           Wind         |Solar |
|  +------+------+------+---+ Hu-|cipi-|  Adj. to Sea Level +----+---+-------+-------+------+
|  |   M  |   M  |      |   |mid-| ta- +------+------+------+ Avg|Res| Peak  |2Minute| Mean |
|  |   a  |   i  |      | D | ity| tion|      |      |      |    |   +---+---+---+---+   W  |
|  |   x  |   n  |      | e |    |     |      |      |      |  S |   | S |   | S |   |   a  |
| H|   i  |   i  |   M  | w |  M |     |      |      |   M  |  p |   | p |   | p |   |   t  |
| o|   m  |   m  |   e  |   |  e |Water|   M  |   M  |   e  |  e | D | e | D | e | D |   t  |
| u|   u  |   u  |   a  | P |  a |     |   a  |   i  |   a  |  e | i | e | i | e | i |   s  |
| r|   m  |   m  |   n  | t |  n |Equiv|   x  |   n  |   n  |  d | r | d | r | d | r |  m²  |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
| 1|   2  |   3  |   4  | 5 |  6 |  7  |   8  |   9  |  10  | 11 | 12| 13| 14| 15| 16|  17  |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
|00| 61.6*| 61.5 | 61.5 | 59|  91| 0.00| 29.58| 29.55|29.566| 5.4|191| 16|SSE|  8|200|    0 |
|01| 61.5 | 60.3 | 60.7 | 56|  85| 0.00| 29.63| 29.58|29.598| 6.7|218| 24|WSW| 12|238|    0 |
|02| 60.6 | 54.5 | 57.2 | 49|  73| 0.00| 29.68| 29.63|29.652| 9.4|262| 24|  W| 15|266|    0 |
|03| 54.5 | 46.9 | 50.7 | 43|  75| 0.00| 29.76| 29.68|29.727| 9.7|274| 31|WSW| 14|277|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 46.9 | 41.4 | 43.7 | 38|  79| 0.00| 29.82| 29.76|29.796| 9.3|266| 24|WSW| 15|255|    0 |
|05| 41.4 | 38.9 | 40.3 | 34|  78| 0.00| 29.87| 29.82|29.844| 7.5|273| 22|WNW| 15|264|    1 |
|06| 39.0 | 36.5 | 37.2 | 31|  79| 0.00| 29.92| 29.87|29.901| 6.6|278| 18|  W| 11|266|   20 |
|07| 38.1 | 36.6 | 37.2 | 31|  79| 0.00| 29.97| 29.92|29.943| 4.8|291| 18|  W| 10|266|  169 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 37.6 | 35.8*| 36.5 | 30|  78| 0.00| 29.99| 29.96|29.980| 5.5|286| 21|WNW| 10|281|  192 |
|09| 39.6 | 36.0 | 37.8 | 31|  76| 0.00| 30.02| 29.99|30.003| 4.5|292| 17|WSW| 10|271|  427 |
|10| 39.9 | 38.0 | 38.8 | 31|  74| 0.00| 30.03| 30.02|30.026| 4.2|292| 14|  W|  8|271|  380 |
|11| 43.8 | 39.9 | 41.8 | 33|  70| 0.00| 30.03| 30.02|30.028| 4.8|288| 17| SW| 10|283|  761 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 45.2 | 43.6 | 44.2 | 33|  64| 0.00| 30.03| 30.02|30.027| 4.8|297| 20|WSW| 10|285|  869 |
|13| 46.8 | 44.9 | 45.8 | 32|  59| 0.00| 30.03| 30.02|30.029| 3.9|307| 15|  W|  9|273|  869 |
|14| 48.1 | 45.9 | 47.0 | 32|  57| 0.00| 30.04| 30.03|30.033| 4.4|333| 16|NNE|  9|  4|  818 |
|15| 51.2 | 47.5 | 49.3 | 33|  54| 0.00| 30.04| 30.03|30.037| 3.3|329| 14|  N|  8|346|  720 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 51.4 | 50.2 | 50.9 | 33|  51| 0.00| 30.06| 30.04|30.050| 3.2|332| 16| NW|  7|341|  581 |
|17| 50.6 | 49.0 | 50.0 | 32|  51| 0.00| 30.06| 30.05|30.053| 3.1|339| 14|WNW|  8|345|  362 |
|18| 49.4 | 46.2 | 48.1 | 31|  52| 0.00| 30.07| 30.05|30.059| 2.9|346| 13| NW|  8|351|  161 |
|19| 46.3 | 43.3 | 44.8 | 31|  58| 0.00| 30.08| 30.06|30.074| 2.0|353| 12|NNW|  5|347|   25 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 43.4 | 40.8 | 42.6 | 30|  61| 0.00| 30.11| 30.08|30.099| 0.7|  4|  6|NNE|  3|354|    0 |
|21| 40.9 | 38.2 | 39.4 | 31|  71| 0.00| 30.13| 30.11|30.122| 0.0| 47|  0|NNE|  0|354|    0 |
|22| 38.2 | 36.2 | 36.9 | 30|  77| 0.00| 30.13| 30.12|30.125| 0.0| 47|  0|NNE|  0|354|    0 |
|23| 37.8 | 35.9 | 36.6 | 30|  77| 0.00| 30.14| 30.12|30.130| 0.0| 47|  0|NNE|  0|354|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.00| 30.14| 29.55|29.954| 4.4|283| 31|WSW| 15|266| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     48.7    | 45.0 | 35|69.6| 4.38|  23  |   0  | ---- | -- | - |    3  |    2  | 264.8|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat  16|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                0.0 | of Snow, Ice Pellets or Ice     0 |  .........  | Days |  Cool   0|
   +--------------------+-----------------------------------+-------------+------+----------+

  NOTES:
   Data in columns 4, 5, 6, 10, 11, 17 are means via continuous observations for each hour.
   Units: Temperature=°F, Wind=mph, Pressure=Inches Hg, Precipitation=inches.
   Column 5: Dew point is calculated from temperature and humidity and is continuously averaged for each hour.
   Column 12: Resultant wind is calculated by the vector sum of continuous wind observations.
   Precipitation types:
     1 FOG, 2 HEAVY FOG, 3 THUNDER, 4 ICE PELLETS, 5 HAIL, 6 GLAZE, 7 DUSTSTORM,
     8 SMOKE/HAZE, 9 BLOWING SNOW.
   Degree Days heating base is 65°F, cooling base is 65°F.