LOCAL CLIMATOLOGICAL DATA
Hourly Summary
January 10, 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| 39.8*| 37.9 | 39.0 | 33|  80| 0.00| 30.02| 29.96|29.991| 6.5|228| 17| SW| 12|222|    0 |
|01| 38.0 | 37.0 | 37.5 | 32|  79| 0.00| 30.08| 30.02|30.047| 8.4|242| 19|  W| 12|253|    0 |
|02| 37.1 | 36.3 | 36.8 | 30|  77| 0.00| 30.11| 30.08|30.095| 8.7|243| 22| SW| 13|249|    0 |
|03| 36.6 | 35.3 | 35.9 | 30|  79| 0.00| 30.13| 30.10|30.113| 4.9|230| 30|  W|  9|245|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 36.3 | 34.9 | 35.9 | 30|  79| 0.00| 30.14| 30.13|30.135| 4.5|245| 15|WSW|  9|245|    0 |
|05| 34.9 | 31.0 | 32.5 | 28|  83| 0.00| 30.18| 30.14|30.158| 0.2|233|  5| SW|  3|243|    0 |
|06| 32.1 | 31.4 | 31.8 | 28|  86| 0.00| 30.19| 30.17|30.179| 0.0|325|  4| NW|  1|325|    0 |
|07| 32.4 | 31.1 | 31.9 | 28|  85| 0.00| 30.20| 30.18|30.193| 0.4|  1|  5| NW|  2|346|    8 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 32.4 | 31.0 | 31.4 | 27|  85| 0.00| 30.21| 30.17|30.191| 0.4| 21|  7|  N|  3| 24|   54 |
|09| 33.9 | 32.3 | 33.1 | 28|  82| 0.00| 30.20| 30.18|30.188| 0.4| 12|  8|NNE|  4| 12|  115 |
|10| 34.4 | 33.7 | 34.0 | 28|  79| 0.00| 30.20| 30.18|30.192| 0.8|  2|  5|NNE|  3| 25|  134 |
|11| 35.7 | 34.3 | 35.1 | 29|  77| 0.00| 30.20| 30.17|30.183| 0.0|348|  2|NNW|  2|348|  195 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 36.0 | 35.2 | 35.6 | 29|  76| 0.00| 30.17| 30.13|30.154| 0.7| 15|  4|NNW|  3| 22|  163 |
|13| 35.4 | 35.1 | 35.3 | 29|  77| 0.00| 30.13| 30.12|30.127| 0.5|347|  6|NNW|  3| 31|  106 |
|14| 35.4 | 34.3 | 35.0 | 29|  77| 0.00| 30.12| 30.10|30.107| 0.4| 19|  4| NE|  1| 41|   58 |
|15| 34.3 | 32.1 | 33.3 | 28|  80| 0.00| 30.10| 30.07|30.081| 0.3| 38|  4| NE|  2| 40|   23 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 32.1 | 30.4*| 31.1 | 27|  85| 0.00| 30.07| 30.03|30.055| 0.0| 35|  0| NE|  0| 40|    3 |
|17| 30.8 | 30.4 | 30.6 | 27|  86| 0.00| 30.03| 29.97|29.992| 0.0| 35|  3|NNE|  0| 35|    0 |
|18| 33.2 | 30.7 | 31.4 | 27|  85| 0.00| 29.98| 29.95|29.965| 0.3|118|  8| SE|  2|154|    0 |
|19| 35.9 | 33.2 | 34.6 | 28|  78| 0.00| 29.95| 29.88|29.922| 1.3|150|  9|SSE|  5|157|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 38.4 | 35.9 | 37.4 | 29|  72| 0.00| 29.88| 29.84|29.852| 3.8|156| 20|SSE|  9|160|    0 |
|21| 37.4 | 34.6 | 35.5 | 31|  84| 0.00| 29.84| 29.80|29.822| 4.8|158| 19|SSE|  9|160|    0 |
|22| 34.9 | 34.7 | 34.8 | 32|  88| 0.00| 29.80| 29.75|29.774| 3.9|164| 16|SSE|  7|170|    0 |
|23| 35.0 | 34.4 | 34.8 | 32|  90| 0.00| 29.76| 29.72|29.734| 3.3|168| 15|  S|  6|170|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.00| 30.21| 29.72|30.052| 2.3|216| 30|  W| 13|249| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     35.1    | 34.3 | 29|81.2| 0.60|   8  |  23  | ---- | -- | - |    3  |    2  |  35.8|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat  30|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                 T  | of Snow, Ice Pellets or Ice     4 |  .........  | 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.