LOCAL CLIMATOLOGICAL DATA
Hourly Summary
August 13, 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| 68.6 | 67.9 | 68.2 | 61|  77| 0.00| 29.85| 29.84|29.846| 0.0|142|  3| SE|  0|142|    0 |
|01| 67.9 | 66.9 | 67.3 | 60|  77| 0.00| 29.85| 29.84|29.846| 0.0|125|  3|ESE|  0|119|    0 |
|02| 68.1 | 67.1 | 67.7 | 60|  75| 0.00| 29.84| 29.83|29.832| 0.2|161|  7|  S|  2|184|    0 |
|03| 70.2 | 68.1 | 69.0 | 61|  74| 0.00| 29.83| 29.81|29.819| 0.6|191|  7|  S|  2|193|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 70.2 | 68.2 | 69.2 | 61|  76| 0.00| 29.81| 29.81|29.812| 0.3|153|  6|SSE|  1|154|    0 |
|05| 69.1 | 68.1 | 68.7 | 61|  77| 0.00| 29.81| 29.80|29.805| 0.5|182|  7|  S|  1|184|    0 |
|06| 70.3 | 68.9 | 69.4 | 62|  76| 0.00| 29.81| 29.80|29.803| 0.2|186|  4|  S|  1|185|   26 |
|07| 76.7 | 70.3 | 73.5 | 65|  74| 0.00| 29.81| 29.80|29.805| 0.6|182|  8|  S|  2|187|  155 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 76.7 | 74.6 | 75.3 | 66|  72| 0.00| 29.80| 29.80|29.801| 0.9|171| 11|SSE|  3|169|   86 |
|09| 77.4 | 75.0 | 76.4 | 67|  73| 0.00| 29.80| 29.79|29.797| 0.9|163| 10| SE|  2|154|  192 |
|10| 77.7 | 76.9 | 77.5 | 69|  74| 0.00| 29.79| 29.78|29.784| 1.4|179| 10|  S|  4|183|  192 |
|11| 76.9 | 75.7 | 76.2 | 69|  79| 0.00| 29.79| 29.77|29.779| 0.9|223| 10|WSW|  4|269|  123 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 76.4 | 74.8 | 75.5 | 70|  83| 0.00| 29.81| 29.79|29.804| 2.5|256| 14|WSW|  8|254|  141 |
|13| 76.8 | 74.2 | 75.5 | 71|  85| 0.01| 29.80| 29.78|29.795| 1.0| 23|  8|NNW|  4| 77|  429 |
|14| 78.4 | 76.3 | 77.5 | 71|  81| 0.00| 29.78| 29.75|29.764| 1.8| 10| 11|NNW|  4| 15|  439 |
|15| 82.2 | 78.3 | 79.5 | 72|  77| 0.00| 29.75| 29.74|29.750| 0.5| 21|  6|NNW|  4|  7|  454 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 83.4*| 81.8 | 82.7 | 73|  72| 0.00| 29.75| 29.74|29.742| 0.2|334|  4| NW|  1|323|  302 |
|17| 82.1 | 80.6 | 81.6 | 72|  73| 0.00| 29.75| 29.74|29.744| 0.0| 23|  0| NW|  0|323|  134 |
|18| 80.7 | 79.6 | 80.4 | 73|  77| 0.00| 29.75| 29.73|29.740| 0.0| 23|  0| NW|  0|323|   88 |
|19| 79.6 | 74.8 | 77.2 | 71|  81| 0.01| 29.77| 29.75|29.758| 0.4|211|  7|  S|  3|183|   19 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 74.8 | 70.8 | 72.5 | 68|  87| 0.00| 29.78| 29.77|29.776| 0.1|147|  6|SSE|  1|151|    1 |
|21| 70.9 | 68.9 | 69.7 | 67|  90| 0.00| 29.79| 29.78|29.786| 0.0|139|  0|SSE|  0|151|    0 |
|22| 69.0 | 67.5 | 68.2 | 65|  91| 0.01| 29.79| 29.78|29.790| 0.0|139|  0|SSE|  0|151|    0 |
|23| 67.6 | 66.8*| 67.2 | 65|  92| 0.00| 29.79| 29.78|29.789| 0.0|139|  0|SSE|  0|151|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.03| 29.85| 29.73|29.790| 0.5|206| 14|WSW|  8|254| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     75.1    | 73.6 | 67|79.0| 0.03|   0+ |  18  | ---- | -- | - |   12  |   12  | 115.9|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat   0|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                0.0 | of Snow, Ice Pellets or Ice     0 |  .........  | Days |  Cool  10|
   +--------------------+-----------------------------------+-------------+------+----------+

  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.