LOCAL CLIMATOLOGICAL DATA
Hourly Summary
January 9, 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| 32.6 | 30.8 | 31.8 | 30|  92| 0.00| 30.20| 30.18|30.191| 3.3|171| 14|SSE|  7|162|    0 |
|01| 31.6 | 30.1*| 30.9 | 29|  91| 0.00| 30.20| 30.18|30.186| 1.3|166| 10|SSE|  4|153|    0 |
|02| 31.8 | 30.1 | 31.1 | 28|  90| 0.00| 30.20| 30.19|30.195| 2.8|168| 12|SSE|  6|164|    0 |
|03| 33.6 | 31.5 | 32.3 | 29|  87| 0.00| 30.19| 30.16|30.176| 3.3|161| 11|SSE|  6|167|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 34.7 | 33.5 | 34.3 | 29|  82| 0.00| 30.16| 30.11|30.135| 3.6|164| 11|SSE|  6|177|    0 |
|05| 34.0 | 32.9 | 33.4 | 28|  80| 0.00| 30.12| 30.07|30.097| 4.9|167| 15|SSE|  8|162|    0 |
|06| 35.1 | 33.0 | 34.0 | 28|  79| 0.00| 30.08| 30.07|30.073| 5.1|169| 15|SSE|  7|166|    0 |
|07| 35.9 | 33.0 | 34.2 | 28|  80| 0.00| 30.09| 30.07|30.080| 3.9|173| 14|  S|  8|169|    7 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 37.8 | 35.5 | 36.6 | 29|  74| 0.00| 30.07| 30.03|30.045| 4.4|169| 16|SSE|  9|168|   50 |
|09| 39.2 | 36.7 | 37.8 | 29|  71| 0.00| 30.03| 30.01|30.022| 6.1|172| 22|SSE|  9|168|   91 |
|10| 40.3 | 39.2 | 39.9 | 30|  68| 0.00| 30.01| 29.97|29.997| 6.1|175| 18|SSE|  9|174|  169 |
|11| 40.9 | 39.8 | 40.5 | 30|  66| 0.00| 29.97| 29.90|29.928| 8.5|174| 25|SSE| 14|175|   56 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 41.5 | 40.3 | 40.9 | 31|  68| 0.00| 29.90| 29.87|29.887| 9.5|184| 32|SSE| 15|183|   20 |
|13| 40.8 | 39.1 | 39.9 | 33|  75| 0.00| 29.88| 29.85|29.860| 8.0|180| 24|SSE| 13|180|   25 |
|14| 41.6 | 40.2 | 41.2 | 33|  71| 0.00| 29.85| 29.82|29.832| 8.4|178| 25|  S| 13|171|   11 |
|15| 42.4*| 41.5 | 42.1 | 33|  70| 0.00| 29.83| 29.79|29.809| 9.4|173| 30|  S| 13|175|    2 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 42.0 | 41.2 | 41.6 | 34|  74| 0.00| 29.79| 29.77|29.781|10.9|175| 36| SE| 15|169|    2 |
|17| 42.0 | 41.5 | 41.8 | 35|  77| 0.00| 29.79| 29.75|29.768|11.1|170| 34|SSE| 15|165|    0 |
|18| 42.0 | 41.6 | 41.9 | 36|  81| 0.00| 29.75| 29.73|29.742| 9.6|168| 32|  S| 14|164|    0 |
|19| 41.8 | 41.5 | 41.6 | 37|  84| 0.00| 29.74| 29.68|29.712| 9.8|173| 28|SSE| 14|176|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 41.8 | 40.6 | 41.2 | 38|  87| 0.00| 29.72| 29.68|29.699|10.5|178| 29|SSE| 15|177|    0 |
|21| 40.8 | 40.2 | 40.5 | 38|  89| 0.00| 29.79| 29.72|29.758| 8.1|192| 25|SSE| 13|187|    0 |
|22| 42.4 | 40.4 | 41.7 | 37|  83| 0.00| 29.89| 29.79|29.841|10.9|227| 30|WSW| 16|234|    0 |
|23| 41.0 | 39.7 | 40.4 | 34|  78| 0.00| 29.96| 29.88|29.920| 9.2|225| 26|WSW| 15|227|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.00| 30.20| 29.68|29.947| 7.0|180| 36| SE| 16|234| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     36.3    | 38.0 | 32|79.1| 0.55|   2  |  19+ | ---- | -- | - |   16  |   22  |  18.0|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat  29|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                0.0 | of Snow, Ice Pellets or Ice     5 |  .........  | 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.