LOCAL CLIMATOLOGICAL DATA
Hourly Summary
July 24, 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| 57.5 | 54.9 | 56.0 | 52|  86| 0.00| 30.15| 30.14|30.144| 0.0|221|  1| SW|  0|221|    0 |
|01| 54.9 | 52.6 | 53.8 | 50|  88| 0.00| 30.15| 30.15|30.148| 0.0|221|  0| SW|  0|221|    0 |
|02| 52.6 | 51.8 | 52.2 | 49|  90| 0.00| 30.16| 30.15|30.152| 0.0|221|  0| SW|  0|221|    0 |
|03| 52.6 | 51.6 | 51.9 | 50|  91| 0.00| 30.16| 30.15|30.156| 0.0|221|  0| SW|  0|221|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 53.0 | 52.0 | 52.6 | 50|  92| 0.00| 30.16| 30.16|30.158| 0.0|221|  1| SW|  0|221|    0 |
|05| 52.1 | 51.5*| 51.8 | 49|  91| 0.00| 30.17| 30.16|30.163| 0.0|220|  3| SW|  0|220|    4 |
|06| 52.7 | 51.6 | 52.1 | 50|  92| 0.00| 30.18| 30.17|30.174| 0.0|218|  2|SSW|  0|218|   25 |
|07| 61.2 | 52.7 | 55.8 | 53|  91| 0.00| 30.19| 30.18|30.185| 0.4|192|  6|  S|  2|177|  144 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 68.1 | 61.2 | 65.5 | 56|  73| 0.00| 30.19| 30.19|30.193| 1.4|173| 11|SSE|  4|174|  396 |
|09| 72.4 | 68.1 | 70.5 | 59|  67| 0.00| 30.20| 30.19|30.194| 1.2|188|  8|  S|  3|223|  527 |
|10| 75.2 | 72.3 | 74.2 | 60|  62| 0.00| 30.19| 30.19|30.189| 1.6|204| 11| SE|  4|230|  694 |
|11| 77.8 | 75.1 | 76.7 | 59|  55| 0.00| 30.19| 30.18|30.185| 2.0|232| 10|  W|  6|267|  797 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 79.1 | 76.9 | 77.8 | 59|  53| 0.00| 30.18| 30.16|30.173| 2.0|226|  9|  W|  5|249|  847 |
|13| 79.8 | 78.9 | 79.4 | 60|  51| 0.00| 30.16| 30.15|30.157| 2.8|235|  9| SW|  6|264|  860 |
|14| 81.5 | 79.2 | 80.1 | 59|  49| 0.00| 30.15| 30.13|30.139| 1.6|237| 11|WSW|  5|232|  812 |
|15| 82.9 | 81.5 | 82.2 | 61|  48| 0.00| 30.13| 30.11|30.121| 1.2|257|  8|WSW|  5|261|  717 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 84.2*| 82.4 | 83.6 | 62|  48| 0.00| 30.11| 30.10|30.106| 0.5|260|  7|WSW|  3|259|  590 |
|17| 84.2 | 82.4 | 83.5 | 62|  48| 0.00| 30.10| 30.09|30.098| 0.2|259|  6|WSW|  1|258|  424 |
|18| 82.5 | 76.5 | 80.5 | 63|  55| 0.00| 30.09| 30.09|30.092| 0.1|259|  3|WSW|  1|259|  144 |
|19| 76.6 | 69.0 | 72.6 | 62|  69| 0.00| 30.09| 30.09|30.091| 0.0|257|  0|WSW|  0|259|   44 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 69.0 | 62.4 | 65.6 | 59|  78| 0.00| 30.10| 30.09|30.095| 0.0|257|  0|WSW|  0|259|    4 |
|21| 62.4 | 58.6 | 60.4 | 55|  83| 0.00| 30.12| 30.10|30.112| 0.0|261|  1|  W|  0|261|    0 |
|22| 58.6 | 57.1 | 57.7 | 53|  86| 0.00| 30.12| 30.11|30.116| 0.0|263|  0|  W|  0|261|    0 |
|23| 57.1 | 55.7 | 56.3 | 52|  87| 0.00| 30.12| 30.12|30.119| 0.0|263|  0|  W|  0|261|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.00| 30.20| 30.09|30.144| 0.6|223| 11|SSE|  6|264| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     67.8    | 66.4 | 56|72.2| 1.63|   8+ |  18  | ---- | -- | - |    8+ |   13  | 292.8|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | 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.