LOCAL CLIMATOLOGICAL DATA
Hourly Summary
July 16, 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| 64.9 | 63.6 | 64.1 | 59|  85| 0.00| 29.77| 29.77|29.770| 0.6|233|  9| SW|  3|239|    0 |
|01| 63.7 | 62.2 | 63.0 | 59|  86| 0.00| 29.77| 29.77|29.771| 0.4|230|  6|SSW|  2|220|    0 |
|02| 62.4 | 61.7 | 62.2 | 58|  87| 0.00| 29.78| 29.77|29.773| 0.4|232|  6|SSW|  2|228|    0 |
|03| 61.8 | 60.9 | 61.3 | 58|  89| 0.00| 29.78| 29.77|29.771| 0.2|217|  5| SW|  1|225|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 62.3 | 61.0 | 61.7 | 59|  90| 0.00| 29.77| 29.76|29.767| 0.6|229|  8|WSW|  3|234|    0 |
|05| 62.5 | 62.1 | 62.3 | 59|  88| 0.00| 29.77| 29.77|29.769| 0.8|208|  7|WSW|  2|213|    5 |
|06| 63.6 | 62.5 | 63.0 | 59|  87| 0.00| 29.78| 29.77|29.775| 0.5|185|  6|  S|  2|197|   39 |
|07| 67.8 | 63.6 | 65.1 | 60|  85| 0.00| 29.78| 29.76|29.772| 0.9|190|  9|WSW|  3|236|  158 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 67.9 | 65.6 | 66.8 | 62|  84| 0.06| 29.79| 29.77|29.781| 0.7|246|  8|WSW|  4|257|   93 |
|09| 68.0 | 65.5 | 66.7 | 63|  89| 0.00| 29.78| 29.75|29.760| 0.3|212|  6| SW|  3|216|  225 |
|10| 73.4 | 67.7 | 70.1 | 65|  85| 0.00| 29.75| 29.72|29.731| 1.4|196| 13| SW|  4|221|  433 |
|11| 75.3 | 71.6 | 73.3 | 66|  79| 0.00| 29.72| 29.70|29.711| 1.9|224| 13|SSE|  4|242|  463 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 76.3*| 74.2 | 75.5 | 67|  74| 0.00| 29.70| 29.69|29.699| 3.1|259| 19|WNW|  7|255|  398 |
|13| 75.2 | 62.6 | 65.8 | 60|  83| 0.18| 29.76| 29.69|29.734| 1.2|270| 15|  N|  5|277|   82 |
|14| 69.4 | 62.6 | 65.5 | 63|  90| 0.00| 29.74| 29.73|29.731| 0.7|260|  8|WNW|  3|262|  572 |
|15| 73.5 | 69.4 | 72.4 | 67|  82| 0.00| 29.73| 29.72|29.725| 1.7|256| 14|  W|  5|254|  619 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 75.4 | 73.4 | 74.4 | 66|  74| 0.00| 29.73| 29.72|29.726| 2.0|257| 14|WSW|  6|255|  521 |
|17| 74.8 | 72.8 | 73.9 | 64|  71| 0.00| 29.74| 29.73|29.736| 2.4|260| 14|WNW|  6|234|  448 |
|18| 72.9 | 69.8 | 71.5 | 60|  68| 0.00| 29.77| 29.74|29.755| 1.6|264| 16|  W|  6|271|  144 |
|19| 69.9 | 66.1 | 67.9 | 58|  70| 0.00| 29.79| 29.77|29.780| 0.8|254| 11|  W|  5|256|   37 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 66.1 | 61.3 | 63.5 | 53|  69| 0.00| 29.81| 29.79|29.800| 0.7|267| 13|  W|  6|267|    6 |
|21| 61.3 | 58.1 | 59.3 | 52|  76| 0.00| 29.84| 29.81|29.824| 0.0|260| 11|  W|  1|260|    0 |
|22| 58.1 | 56.9 | 57.5 | 51|  78| 0.00| 29.86| 29.84|29.854| 0.0|314|  3|WNW|  0|329|    0 |
|23| 56.9 | 56.0*| 56.4 | 50|  79| 0.00| 29.87| 29.86|29.864| 0.2|279|  7|  W|  1|283|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.24| 29.87| 29.69|29.766| 1.0|244| 19|WNW|  7|255| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     66.2    | 66.0 | 60|81.1| 1.04|  23  |  12  | ---- | -- | - |   12  |   12  | 176.7|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat   0|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                0.0 | of Snow, Ice Pellets or Ice     0 |  .........  | Days |  Cool   1|
   +--------------------+-----------------------------------+-------------+------+----------+

  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.