LOCAL CLIMATOLOGICAL DATA
Hourly Summary
July 17, 2025

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| 73.0 | 72.3 | 72.6 | 67|  82| 0.00| 29.80| 29.79|29.794| 0.1|189|  4|  S|  1|188|    0 |
|01| 73.5 | 72.4 | 72.8 | 68|  84| 0.00| 29.79| 29.78|29.780| 0.3|178|  9|  S|  2|171|    0 |
|02| 75.7 | 73.4 | 75.0 | 70|  86| 0.00| 29.78| 29.76|29.774| 1.3|182| 10| SE|  4|181|    0 |
|03| 75.8 | 75.5 | 75.6 | 71|  86| 0.00| 29.76| 29.74|29.752| 1.5|182| 11|  S|  4|173|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 75.5 | 75.2 | 75.4 | 71|  87| 0.00| 29.74| 29.72|29.731| 1.1|167| 10|SSE|  3|166|    0 |
|05| 75.2 | 74.6 | 74.9 | 71|  88| 0.00| 29.72| 29.72|29.719| 1.1|186| 14|SSE|  4|195|    5 |
|06| 75.8 | 74.9 | 75.5 | 72|  88| 0.00| 29.72| 29.71|29.715| 2.1|176| 12|SSE|  5|175|   27 |
|07| 76.1 | 75.7 | 75.8 | 72|  88| 0.00| 29.71| 29.70|29.708| 1.8|176| 14|SSE|  5|180|   57 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 78.2 | 76.1 | 76.9 | 73|  87| 0.00| 29.70| 29.68|29.691| 1.8|173| 14|  S|  4|170|  161 |
|09| 79.8 | 78.1 | 78.8 | 74|  85| 0.00| 29.68| 29.66|29.671| 2.9|178| 15|SSE|  7|165|  251 |
|10| 83.6 | 79.3 | 80.3 | 75|  83| 0.00| 29.67| 29.64|29.656| 2.5|186| 13|SSE|  5|196|  397 |
|11| 83.6 | 81.7 | 82.6 | 76|  79| 0.00| 29.64| 29.62|29.633| 3.4|186| 20|  S|  7|178|  478 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 85.0 | 82.2 | 84.0 | 76|  77| 0.00| 29.62| 29.60|29.613| 4.4|201| 21| SW|  8|201|  525 |
|13| 85.5 | 83.5 | 84.5 | 76|  76| 0.00| 29.60| 29.58|29.588| 5.0|198| 19|SSE|  8|205|  660 |
|14| 87.4 | 83.7 | 85.8 | 76|  74| 0.00| 29.58| 29.56|29.573| 5.1|197| 23|SSE| 10|182|  667 |
|15| 87.7*| 85.9 | 87.1 | 77|  73| 0.00| 29.56| 29.53|29.545| 4.3|186| 19| SE|  7|205|  630 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 87.7 | 81.0 | 84.3 | 76|  75| 0.01| 29.54| 29.52|29.529| 3.1|198| 17|  S|  8|221|  188 |
|17| 81.0 | 74.0 | 75.7 | 72|  88| 0.07| 29.56| 29.53|29.551| 4.0|252| 21|  W| 10|258|   97 |
|18| 74.7 | 73.5 | 74.1 | 71|  91| 0.01| 29.56| 29.55|29.556| 2.7|236| 17|WSW|  6|236|   73 |
|19| 73.7 | 73.2 | 73.5 | 70|  90| 0.00| 29.58| 29.55|29.568| 2.4|227| 17|WSW|  8|239|   13 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 74.9 | 73.1 | 74.3 | 70|  87| 0.02| 29.62| 29.58|29.596| 5.7|241| 20|WSW| 11|255|    0 |
|21| 73.1 | 68.6 | 70.7 | 67|  89| 0.00| 29.69| 29.62|29.659| 5.7|264| 19|  W| 10|266|    0 |
|22| 68.7 | 67.6 | 68.0 | 64|  88| 0.01| 29.74| 29.69|29.710| 5.1|260| 19|WSW|  9|259|    0 |
|23| 67.6 | 64.7*| 65.8 | 63|  90| 0.01| 29.77| 29.73|29.760| 2.2|264| 14|WSW|  6|273|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.13| 29.80| 29.52|29.661| 2.9|213| 23|SSE| 11|255| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     76.2    | 76.8 | 72|84.2| 2.34|   0  |  16  | ---- | -- | - |   14  |   20  | 176.2|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat   0|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                0.0 | of Snow, Ice Pellets or Ice     0 |  .........  | Days |  Cool  12|
   +--------------------+-----------------------------------+-------------+------+----------+

  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.