LOCAL CLIMATOLOGICAL DATA
Hourly Summary
April 15, 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| 53.7 | 52.2 | 53.2 | 40|  61| 0.00| 29.52| 29.49|29.508| 2.8|167| 11|SSE|  6|167|    0 |
|01| 54.7 | 53.3 | 54.1 | 40|  59| 0.00| 29.49| 29.46|29.477| 3.8|170| 12|SSE|  8|168|    0 |
|02| 54.7 | 54.1 | 54.4 | 40|  57| 0.00| 29.47| 29.43|29.451| 3.7|168| 14|SSE|  6|159|    0 |
|03| 54.3 | 53.5 | 53.9 | 39|  58| 0.00| 29.43| 29.40|29.420| 5.2|170| 14|  S|  8|170|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 53.7 | 51.9 | 52.9 | 40|  62| 0.00| 29.41| 29.38|29.391| 5.3|169| 21|SSE|  9|165|    0 |
|05| 51.9 | 50.5 | 51.1 | 42|  70| 0.00| 29.38| 29.37|29.373| 5.0|171| 13|SSE|  8|167|    0 |
|06| 50.7 | 49.9 | 50.2 | 43|  77| 0.00| 29.38| 29.36|29.371| 4.7|175| 13|SSE|  8|175|   14 |
|07| 53.6 | 50.0 | 51.5 | 45|  78| 0.00| 29.37| 29.36|29.366| 5.5|174| 16|SSE| 10|180|  103 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 58.1 | 53.6 | 55.6 | 47|  73| 0.00| 29.37| 29.34|29.356| 5.0|177| 19|  S| 10|176|  308 |
|09| 60.8 | 58.1 | 59.7 | 45|  59| 0.00| 29.35| 29.33|29.340| 6.4|203| 23|SSE| 12|228|  486 |
|10| 62.4 | 60.0 | 61.5 | 40|  46| 0.00| 29.33| 29.32|29.326| 8.4|221| 24|  W| 14|248|  651 |
|11| 62.5*| 59.6 | 61.3 | 39|  43| 0.00| 29.32| 29.30|29.309| 8.9|248| 20|  W| 13|262|  628 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 61.3 | 57.1 | 58.7 | 36|  42| 0.00| 29.30| 29.28|29.290| 5.4|239| 14| SW| 11|223|  148 |
|13| 57.4 | 50.9 | 55.1 | 37|  50| 0.00| 29.33| 29.29|29.298| 8.4|251| 28|  W| 16|259|  103 |
|14| 50.9 | 47.2 | 48.4 | 39|  69| 0.00| 29.34| 29.32|29.326| 8.2|247| 33|WSW| 18|262|  158 |
|15| 53.8 | 49.6 | 51.6 | 39|  63| 0.00| 29.33| 29.30|29.309| 5.5|237| 18|WSW|  9|244|  324 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 58.1 | 53.3 | 55.7 | 37|  49| 0.00| 29.30| 29.28|29.288| 6.5|247| 20|  W| 13|266|  394 |
|17| 54.8 | 51.9 | 52.8 | 33|  46| 0.00| 29.29| 29.27|29.278| 9.0|252| 21|  W| 13|258|  117 |
|18| 51.9 | 49.5 | 50.7 | 35|  56| 0.00| 29.29| 29.28|29.289| 4.8|257| 17| SW| 11|258|   88 |
|19| 49.5 | 44.2 | 47.0 | 36|  66| 0.00| 29.29| 29.28|29.285| 1.1|270|  8|  W|  4|269|   12 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 46.3 | 43.1 | 44.2 | 35|  70| 0.00| 29.31| 29.28|29.291| 2.5|228| 18|SSW|  9|241|    0 |
|21| 46.4 | 41.5 | 43.7 | 36|  73| 0.00| 29.34| 29.31|29.327| 5.0|266| 15|WSW| 10|253|    0 |
|22| 41.7 | 40.7 | 41.3 | 35|  78| 0.00| 29.35| 29.34|29.346| 4.6|247| 15|WSW| 10|246|    0 |
|23| 41.6 | 40.2*| 40.9 | 34|  77| 0.00| 29.37| 29.35|29.358| 6.5|242| 16|WSW| 10|268|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |  T  | 29.52| 29.27|29.349| 5.5|222| 33|WSW| 18|262| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     51.3    | 52.1 | 39|61.8| 1.64|   0  |  17  | ---- | -- | - |   14  |   14  | 147.3|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat  13|
   | 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.