LOCAL CLIMATOLOGICAL DATA
Hourly Summary
January 5, 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|  2.8 |  1.3 |  2.2 | -2|  81| 0.00| 30.19| 30.18|30.186| 0.3|276|  8|  W|  3|270|    0 |
|01|  1.3 | -0.7 | -0.1 | -4|  83| 0.00| 30.21| 30.18|30.197| 0.0|270|  1|  W|  0|270|    0 |
|02| -0.1 | -1.6 | -0.7 | -4|  84| 0.00| 30.21| 30.20|30.208| 0.0|270|  0|  W|  0|270|    0 |
|03| -1.6 | -2.9 | -2.4 | -6|  84| 0.00| 30.21| 30.20|30.206| 0.0|270|  0|  W|  0|270|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| -0.8 | -1.9 | -1.1 | -4|  85| 0.00| 30.21| 30.20|30.205| 0.0|270|  0|  W|  0|270|    0 |
|05| -1.0 | -1.9 | -1.4 | -5|  84| 0.00| 30.21| 30.20|30.208| 0.0|270|  0|  W|  0|270|    0 |
|06| -1.7 | -2.8 | -2.1 | -6|  84| 0.00| 30.21| 30.20|30.204| 0.1|269|  2|  W|  1|269|    0 |
|07| -1.2 | -3.0*| -2.0 | -6|  85| 0.00| 30.21| 30.20|30.206| 0.0|248|  3|WSW|  0|248|    5 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08|  0.8 | -1.5 | -0.9 | -4|  85| 0.00| 30.21| 30.20|30.207| 0.1|247|  3|WSW|  1|247|   28 |
|09|  8.6 |  0.8 |  4.8 |  0|  82| 0.00| 30.21| 30.19|30.200| 0.8|203|  7|  S|  5|174|  115 |
|10| 10.8 |  8.6 |  9.6 |  1|  68| 0.00| 30.20| 30.17|30.190| 2.0|183| 10|SSE|  4|166|  137 |
|11| 11.7 | 10.8 | 11.3 |  3|  67| 0.00| 30.17| 30.14|30.154| 2.9|185|  9| SW|  6|162|  149 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 13.0 | 11.5 | 12.2 |  4|  68| 0.00| 30.14| 30.10|30.122| 3.5|178| 11| SE|  6|173|  133 |
|13| 13.3 | 12.6 | 12.9 |  7|  76| 0.00| 30.11| 30.08|30.096| 2.9|181| 13| SE|  6|170|  113 |
|14| 14.7 | 13.1 | 13.8 |  9|  82| 0.00| 30.09| 30.05|30.068| 1.0|174| 11|SSE|  5|168|   74 |
|15| 14.9 | 12.6 | 13.4 |  9|  84| 0.00| 30.05| 30.02|30.038| 0.3| 37|  5|NNE|  3| 37|   25 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 13.2 | 12.6 | 13.0 |  9|  85| 0.00| 30.02| 30.01|30.017| 0.0| 37|  0|NNE|  0| 37|    0 |
|17| 13.7 | 13.1 | 13.4 | 10|  86| 0.00| 30.02| 30.00|30.010| 0.0| 37|  0|NNE|  0| 37|    0 |
|18| 14.4 | 13.6 | 13.8 | 11|  87| 0.00| 30.01| 30.00|30.003| 0.0| 37|  0|NNE|  0| 37|    0 |
|19| 16.8 | 14.4 | 15.5 | 13|  88| 0.00| 30.00| 29.99|29.994| 0.3|182|  6|  S|  2|183|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 17.7 | 16.8 | 17.2 | 14|  88| 0.00| 29.99| 29.98|29.986| 1.2|189|  6|  S|  4|188|    0 |
|21| 19.1 | 17.7 | 18.5 | 16|  89| 0.00| 30.00| 29.99|29.992| 1.7|195|  8|  S|  4|189|    0 |
|22| 20.1 | 19.0 | 19.6 | 17|  88| 0.00| 29.99| 29.98|29.988| 2.3|188|  8|SSE|  4|183|    0 |
|23| 20.6*| 20.1 | 20.4 | 17|  88| 0.00| 29.98| 29.98|29.980| 1.0|176|  9|SSE|  3|170|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.00| 30.21| 29.98|30.111| 0.9|185| 13| SE|  6|170| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |      8.8    |  8.4 |  4|82.6| 0.02|   2+ |  23  | ---- | -- | - |   13  |   13  |  32.4|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat  56|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                2.4 | of Snow, Ice Pellets or Ice     6 |  .........  | 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.