LOCAL CLIMATOLOGICAL DATA
Hourly Summary
July 12, 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| 55.1 | 54.3 | 54.6 | 52|  90| 0.00| 30.09| 30.08|30.085| 0.0|355|  0|  N|  0|355|    0 |
|01| 54.5 | 53.4 | 54.0 | 51|  91| 0.00| 30.10| 30.09|30.093| 0.0|355|  0|  N|  0|355|    0 |
|02| 53.5 | 52.3 | 52.9 | 51|  92| 0.00| 30.10| 30.10|30.100| 0.0|355|  0|  N|  0|355|    0 |
|03| 52.9 | 52.1 | 52.5 | 51|  93| 0.00| 30.11| 30.10|30.104| 0.0|355|  0|  N|  0|355|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 52.8 | 52.1 | 52.5 | 51|  94| 0.00| 30.12| 30.11|30.113| 0.0|355|  0|  N|  0|355|    0 |
|05| 52.2 | 51.9*| 52.1 | 50|  94| 0.00| 30.14| 30.12|30.132| 0.0|355|  0|  N|  0|355|    5 |
|06| 54.7 | 52.2 | 53.1 | 52|  95| 0.00| 30.15| 30.14|30.146| 0.0|355|  0|  N|  0|355|   24 |
|07| 61.8 | 54.7 | 57.7 | 57|  96| 0.00| 30.17| 30.15|30.161| 0.0|355|  0|  N|  0|355|  140 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 73.3 | 61.8 | 67.7 | 64|  87| 0.00| 30.17| 30.17|30.167| 0.0|355|  0|  N|  0|355|  424 |
|09| 77.2 | 73.3 | 75.9 | 65|  69| 0.00| 30.17| 30.17|30.170| 0.0|355|  0|  N|  0|355|  591 |
|10| 80.0 | 77.2 | 78.5 | 64|  61| 0.00| 30.17| 30.17|30.169| 0.5| 61|  7|ENE|  3| 59|  726 |
|11| 81.5 | 80.0 | 80.4 | 63|  55| 0.00| 30.17| 30.16|30.168| 0.6|216|  8|WSW|  4|235|  832 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 82.0 | 80.9 | 81.5 | 63|  54| 0.00| 30.16| 30.15|30.158| 0.8|289|  8|  W|  4|248|  846 |
|13| 81.6 | 79.8 | 80.5 | 64|  57| 0.00| 30.15| 30.14|30.145| 1.4|248|  9|  W|  4|257|  836 |
|14| 82.6 | 79.2 | 80.7 | 64|  57| 0.00| 30.14| 30.13|30.137| 0.8|255|  8|  W|  3|303|  631 |
|15| 83.9 | 82.6 | 83.5 | 63|  50| 0.00| 30.14| 30.13|30.133| 1.0|258|  7|WSW|  3|256|  740 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 85.2*| 82.6 | 83.9 | 62|  48| 0.00| 30.13| 30.13|30.130| 0.6|256|  5|WSW|  3|254|  626 |
|17| 85.1 | 82.2 | 83.9 | 58|  42| 0.00| 30.13| 30.11|30.119| 0.3|261|  3|  W|  2|261|  463 |
|18| 82.2 | 77.3 | 79.9 | 60|  52| 0.00| 30.12| 30.11|30.112| 0.0|261|  0|  W|  0|261|  155 |
|19| 77.3 | 71.0 | 74.0 | 62|  67| 0.00| 30.11| 30.10|30.104| 0.0|261|  0|  W|  0|261|   75 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 71.0 | 62.9 | 66.7 | 59|  76| 0.00| 30.11| 30.10|30.106| 0.0|261|  0|  W|  0|261|    5 |
|21| 62.9 | 60.2 | 61.4 | 55|  81| 0.00| 30.11| 30.11|30.110| 0.0|261|  0|  W|  0|261|    0 |
|22| 60.2 | 59.0 | 59.6 | 54|  83| 0.00| 30.12| 30.11|30.115| 0.0|261|  0|  W|  0|261|    0 |
|23| 59.2 | 57.9 | 58.7 | 54|  84| 0.00| 30.12| 30.11|30.119| 0.0|261|  0|  W|  0|261|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.00| 30.17| 30.08|30.129| 0.3|256|  9|  W|  4|257| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     68.6    | 67.8 | 58|73.6| 0.80|   9+ |   0  | ---- | -- | - |   13  |   13  | 296.6|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat   0|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                0.0 | of Snow, Ice Pellets or Ice     0 |  .........  | Days |  Cool   4|
   +--------------------+-----------------------------------+-------------+------+----------+

  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.