LOCAL CLIMATOLOGICAL DATA
Hourly Summary
January 7, 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| 29.0 | 28.7 | 28.9 | 27|  92| 0.00| 29.66| 29.65|29.654| 0.0| 44|  0|ESE|  0| 84|    0 |
|01| 29.7 | 28.8 | 29.3 | 27|  92| 0.00| 29.65| 29.64|29.644| 0.0|120|  0|ESE|  0| 84|    0 |
|02| 29.7 | 28.8 | 29.2 | 27|  92| 0.00| 29.64| 29.62|29.627| 0.0|120|  0|ESE|  0| 84|    0 |
|03| 28.9 | 28.8 | 28.8 | 27|  92| 0.00| 29.62| 29.61|29.612| 0.0|120|  0|ESE|  0| 84|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 29.4 | 28.8 | 29.1 | 27|  92| 0.00| 29.61| 29.60|29.602| 0.0|151|  0|ESE|  0| 84|    0 |
|05| 29.5 | 28.9 | 29.3 | 27|  92| 0.00| 29.60| 29.60|29.598| 0.0|152|  0|ESE|  0| 84|    0 |
|06| 29.6 | 29.0 | 29.4 | 27|  92| 0.00| 29.61| 29.60|29.603| 0.0|161|  0|ESE|  0| 84|    0 |
|07| 29.6 | 29.1 | 29.2 | 27|  92| 0.00| 29.62| 29.61|29.615| 0.0|161|  0|ESE|  0| 84|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 31.0 | 29.2 | 30.0 | 28|  92| 0.00| 29.63| 29.62|29.626| 0.0|161|  0|ESE|  0| 84|    8 |
|09| 33.0 | 31.0 | 32.0 | 30|  91| 0.00| 29.65| 29.63|29.639| 0.0|169|  0|ESE|  0| 84|   22 |
|10| 33.4 | 32.7 | 33.0 | 30|  89| 0.00| 29.65| 29.65|29.651| 0.5|172|  6|  S|  4|172|   25 |
|11| 33.6*| 33.0 | 33.3 | 30|  89| 0.00| 29.65| 29.65|29.650| 0.4|175|  6|  S|  2|175|   23 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 33.6 | 33.2 | 33.4 | 31|  90| 0.00| 29.66| 29.65|29.655| 0.5|223|  5| SW|  3|224|   27 |
|13| 33.5 | 33.1 | 33.4 | 31|  90| 0.00| 29.67| 29.66|29.661| 0.3|220|  5|SSW|  3|219|   28 |
|14| 33.3 | 30.2 | 32.1 | 30|  91| 0.00| 29.71| 29.66|29.685| 1.6|259|  8|WSW|  5|265|   18 |
|15| 30.2 | 27.4 | 28.6 | 27|  92| 0.00| 29.77| 29.71|29.743| 3.2|273| 11|  W|  7|267|    4 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 27.4 | 26.0 | 26.7 | 25|  92| 0.00| 29.82| 29.77|29.797| 1.8|297| 14|  W|  6|287|    0 |
|17| 26.1 | 25.7*| 25.9 | 24|  92| 0.00| 29.85| 29.82|29.828| 0.9|337|  8|  N|  3|331|    0 |
|18| 26.3 | 25.7 | 26.0 | 24|  92| 0.00| 29.87| 29.84|29.858| 0.5|  7|  5|  N|  2|352|    0 |
|19| 26.8 | 26.2 | 26.6 | 25|  92| 0.00| 29.90| 29.87|29.886| 0.3|348|  5|NNW|  3|341|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 27.1 | 26.8 | 27.0 | 25|  92| 0.00| 29.91| 29.89|29.898| 0.1| 11|  3|  N|  1|  6|    0 |
|21| 26.9 | 26.7 | 26.8 | 25|  92| 0.00| 29.91| 29.89|29.902| 0.0| 36|  0|  N|  0|  6|    0 |
|22| 27.4 | 26.7 | 27.0 | 25|  92| 0.00| 29.93| 29.91|29.925| 0.0| 36|  0|  N|  0|  6|    0 |
|23| 27.6 | 27.1 | 27.3 | 25|  92| 0.00| 29.93| 29.92|29.928| 0.0| 36|  0|  N|  0|  6|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.00| 29.93| 29.60|29.720| 0.4|276| 14|  W|  7|267| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     29.6    | 29.3 | 27|91.5| 0.21|  23  |   4+ | ---- | -- | - |   16  |   15  |   6.5|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat  35|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                2.8 | of Snow, Ice Pellets or Ice     8 |  .2.......  | 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.