LOCAL CLIMATOLOGICAL DATA
Hourly Summary
July 29, 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| 65.6 | 64.9 | 65.3 | 64|  95| 0.41| 29.60| 29.59|29.600| 0.3|181|  7|  S|  2|194|    0 |
|01| 65.5 | 65.0 | 65.2 | 64|  95| 0.11| 29.60| 29.58|29.592| 0.2|170|  7|  S|  2|169|    0 |
|02| 65.0 | 64.2 | 64.5 | 63|  95| 0.01| 29.59| 29.58|29.581| 0.1|152|  5|  S|  1|172|    0 |
|03| 64.5 | 64.3 | 64.4 | 63|  95| 0.06| 29.58| 29.58|29.579| 0.1|189|  4|  S|  1|189|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 64.4 | 64.2 | 64.3 | 63|  95| 0.14| 29.58| 29.57|29.575| 0.0|189|  0|  S|  0|189|    0 |
|05| 64.5 | 64.3 | 64.4 | 63|  96| 0.14| 29.59| 29.57|29.582| 0.0|189|  0|  S|  0|189|    0 |
|06| 65.0 | 64.4 | 64.7 | 64|  96| 0.01| 29.60| 29.59|29.594| 0.0|189|  3|  S|  1|189|   14 |
|07| 65.5 | 65.0 | 65.2 | 64|  96| 0.06| 29.61| 29.60|29.605| 0.0|189|  1|  S|  0|189|   28 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 66.4 | 65.5 | 65.9 | 65|  96| 0.05| 29.63| 29.61|29.618| 0.1|164|  4|  S|  1|174|   86 |
|09| 66.4 | 66.0 | 66.2 | 65|  96| 0.01| 29.64| 29.63|29.636| 0.1|158|  8|  S|  2|178|   88 |
|10| 67.4 | 66.2 | 66.8 | 66|  96| 0.00| 29.65| 29.64|29.645| 0.2|123|  7|ESE|  1|109|  163 |
|11| 72.1 | 66.9 | 69.1 | 67|  93| 0.00| 29.65| 29.64|29.647| 0.2|112| 10|ESE|  3|138|  406 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 75.3*| 72.0 | 73.9 | 69|  84| 0.00| 29.65| 29.65|29.647| 0.8|122|  8|  E|  3|101|  482 |
|13| 75.3 | 73.2 | 73.8 | 67|  79| 0.00| 29.66| 29.65|29.654| 0.9|133|  9| SE|  4|102|  299 |
|14| 73.5 | 73.0 | 73.2 | 67|  80| 0.00| 29.66| 29.65|29.649| 0.3|145|  7|  S|  2|123|  275 |
|15| 73.7 | 73.0 | 73.3 | 67|  81| 0.00| 29.67| 29.65|29.653| 0.0|115|  3|ESE|  0|121|  221 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 73.6 | 72.8 | 73.2 | 67|  81| 0.00| 29.67| 29.66|29.668| 0.0|121|  0|ESE|  0|121|  153 |
|17| 73.3 | 68.6 | 70.9 | 66|  85| 0.01| 29.68| 29.67|29.674| 0.0|107|  0|ESE|  0|121|   53 |
|18| 68.6 | 65.2 | 66.8 | 63|  87| 0.01| 29.70| 29.68|29.690| 0.0|106|  2|  E|  0|107|   49 |
|19| 65.2 | 62.0 | 63.3 | 60|  89| 0.04| 29.70| 29.69|29.692| 0.2| 29| 10|NNW|  4| 40|   14 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 62.1 | 61.6 | 61.8 | 59|  91| 0.03| 29.71| 29.69|29.701| 0.0| 49|  2| NE|  1| 50|    0 |
|21| 61.7 | 61.4 | 61.6 | 59|  92| 0.00| 29.72| 29.71|29.717| 0.0| 49|  1| NE|  0| 49|    0 |
|22| 61.4 | 60.6*| 60.8 | 59|  92| 0.02| 29.72| 29.72|29.719| 0.1| 48|  4| NE|  1| 47|    0 |
|23| 60.9 | 60.7 | 60.8 | 59|  93| 0.01| 29.74| 29.72|29.730| 0.0| 48|  2| NE|  0| 48|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 1.12| 29.74| 29.57|29.644| 0.2|133| 10|ESE|  4| 40| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     67.9    | 66.7 | 64|90.7| 4.62|  23  |   4  | ---- | -- | - |   11+ |   19  |  97.2|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat   0|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                0.0 | of Snow, Ice Pellets or Ice     0 |  .........  | Days |  Cool   3|
   +--------------------+-----------------------------------+-------------+------+----------+

  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.