LOCAL CLIMATOLOGICAL DATA
Hourly Summary
March 12, 2026

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| 59.2*| 58.5 | 58.7 | 55|  87| 0.00| 29.43| 29.39|29.401| 4.1|179| 14|  S|  7|169|    0 |
|01| 58.8 | 58.5 | 58.7 | 55|  86| 0.00| 29.39| 29.34|29.366| 4.4|178| 12|  S|  7|185|    0 |
|02| 58.6 | 57.1 | 57.9 | 55|  89| 0.00| 29.34| 29.32|29.333| 3.5|186| 13|SSE|  7|175|    0 |
|03| 57.1 | 46.1 | 52.8 | 50|  91| 0.00| 29.37| 29.32|29.340| 6.6|263| 14|  W| 10|277|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 46.1 | 44.2 | 44.9 | 43|  92| 0.00| 29.42| 29.37|29.390| 7.7|262| 17|WSW| 12|260|    0 |
|05| 44.2 | 39.8 | 42.8 | 40|  91| 0.00| 29.50| 29.42|29.461| 7.8|263| 19|  W| 11|243|    0 |
|06| 39.8 | 36.4 | 37.5 | 34|  86| 0.00| 29.54| 29.49|29.516| 6.6|242| 22|WSW| 13|250|    0 |
|07| 36.5 | 34.9 | 35.6 | 31|  84| 0.00| 29.57| 29.54|29.553| 6.1|230| 22|WSW| 13|239|    2 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 34.9 | 33.8 | 34.4 | 29|  81| 0.00| 29.62| 29.56|29.595| 9.0|234| 25|WSW| 14|237|   42 |
|09| 33.8 | 32.8 | 33.3 | 28|  81| 0.00| 29.65| 29.61|29.633| 8.1|242| 21|SSW| 14|250|  138 |
|10| 33.3 | 30.8 | 32.1 | 26|  78| 0.00| 29.69| 29.65|29.667| 9.1|246| 25|WSW| 14|254|  131 |
|11| 30.9 | 29.5 | 30.3 | 22|  72| 0.00| 29.69| 29.67|29.679|11.3|247| 23|  W| 15|255|  140 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 30.2 | 29.5 | 29.8 | 22|  73| 0.00| 29.70| 29.67|29.684| 8.9|253| 23|WSW| 15|244|  216 |
|13| 30.7 | 29.7 | 30.1 | 22|  72| 0.00| 29.70| 29.69|29.694| 7.4|261| 20|WSW| 12|249|  253 |
|14| 30.5 | 29.3 | 30.0 | 22|  73| 0.00| 29.72| 29.69|29.703| 6.3|272| 17|WSW| 12|260|  241 |
|15| 29.3 | 27.5 | 28.2 | 21|  74| 0.00| 29.72| 29.69|29.709| 5.5|277| 16|  W| 11|263|  181 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 27.6 | 25.7 | 26.8 | 19|  72| 0.00| 29.74| 29.71|29.727| 5.2|284| 17|WNW| 10|271|  120 |
|17| 25.9 | 24.5 | 25.1 | 18|  73| 0.00| 29.76| 29.74|29.742| 5.1|284| 20|  W| 10|281|   59 |
|18| 24.6 | 23.5 | 24.1 | 18|  76| 0.00| 29.80| 29.75|29.774| 2.5|298| 15|  W|  7|278|   11 |
|19| 23.5 | 23.0 | 23.2 | 18|  79| 0.00| 29.84| 29.80|29.822| 2.4|293| 13|WNW|  6|299|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 23.1 | 22.5 | 22.8 | 16|  76| 0.00| 29.87| 29.84|29.855| 4.9|284| 17|  W|  9|268|    0 |
|21| 22.7 | 22.3*| 22.5 | 16|  76| 0.00| 29.90| 29.87|29.889| 5.9|262| 25|WSW| 11|253|    0 |
|22| 22.6 | 22.4 | 22.5 | 16|  74| 0.00| 29.91| 29.90|29.901| 5.2|265| 16|  W|  9|253|    0 |
|23| 22.8 | 22.6 | 22.7 | 16|  75| 0.00| 29.91| 29.90|29.907| 5.2|266| 17|  W|  9|258|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.00| 29.91| 29.32|29.639| 6.2|254| 25|WSW| 15|255| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     40.8    | 34.5 | 29|79.6| 0.38|  23  |   3  | ---- | -- | - |    8+ |   11  |  64.0|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat  24|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                 T  | 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.