LOCAL CLIMATOLOGICAL DATA
Hourly Summary
June 17, 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| 54.8 | 53.3 | 54.3 | 50|  87| 0.00| 29.76| 29.75|29.755| 0.0|228|  0| SW|  0|228|    0 |
|01| 53.8 | 51.9 | 53.1 | 49|  87| 0.00| 29.75| 29.74|29.742| 0.0|228|  0| SW|  0|228|    0 |
|02| 51.9 | 51.1 | 51.5 | 48|  89| 0.00| 29.74| 29.73|29.735| 0.0|225|  2| SW|  0|225|    0 |
|03| 52.1 | 50.8 | 51.7 | 48|  88| 0.00| 29.73| 29.73|29.730| 0.0|224|  0| SW|  0|225|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 50.9 | 50.6*| 50.8 | 48|  90| 0.00| 29.74| 29.73|29.731| 0.0|224|  0| SW|  0|225|    0 |
|05| 51.4 | 50.6 | 50.9 | 49|  92| 0.00| 29.75| 29.73|29.741| 0.0|224|  0| SW|  0|225|   19 |
|06| 54.5 | 51.3 | 52.5 | 51|  94| 0.00| 29.75| 29.74|29.748| 0.0|218|  4|SSW|  1|218|   52 |
|07| 63.2 | 54.5 | 58.9 | 55|  88| 0.00| 29.75| 29.75|29.750| 0.4|184| 10|SSE|  2|188|  194 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 67.7 | 63.2 | 64.9 | 57|  75| 0.00| 29.75| 29.75|29.753| 0.8|177| 10|SSE|  3|172|  352 |
|09| 71.4 | 67.7 | 69.8 | 59|  68| 0.00| 29.75| 29.74|29.748| 1.1|165|  9| SE|  3|131|  543 |
|10| 74.7 | 70.7 | 72.8 | 60|  65| 0.00| 29.74| 29.73|29.735| 1.6|182| 10|WSW|  3|175|  742 |
|11| 76.9 | 74.6 | 75.7 | 60|  59| 0.00| 29.73| 29.72|29.723| 1.7|174| 11|SSE|  5|169|  783 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 77.2 | 74.8 | 75.9 | 58|  53| 0.00| 29.72| 29.69|29.708| 2.7|211| 13|SSE|  6|221|  781 |
|13| 77.7*| 76.2 | 77.1 | 57|  50| 0.00| 29.69| 29.68|29.685| 2.9|207| 14|  W|  7|196|  956 |
|14| 77.3 | 70.3 | 73.3 | 54|  52| 0.00| 29.72| 29.68|29.708| 3.2|207| 13|  S|  7|221|  295 |
|15| 70.3 | 67.4 | 68.7 | 56|  64| 0.00| 29.73| 29.70|29.716| 1.7|220| 18|  W|  7|229|  263 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 75.5 | 70.3 | 73.3 | 57|  56| 0.00| 29.70| 29.68|29.689| 0.5|196|  6| SW|  2|209|  500 |
|17| 74.9 | 72.6 | 73.8 | 58|  57| 0.00| 29.68| 29.67|29.681| 0.7|  2|  5| NE|  3| 62|  393 |
|18| 73.9 | 72.6 | 73.2 | 59|  60| 0.00| 29.68| 29.67|29.675| 0.3|113|  6|SSE|  1|161|  132 |
|19| 72.8 | 66.9 | 70.1 | 58|  65| 0.00| 29.70| 29.68|29.689| 0.0|162|  2|SSE|  1|164|   39 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 67.0 | 62.6 | 64.5 | 56|  74| 0.00| 29.70| 29.69|29.694| 0.0|136|  0|SSE|  0|164|    4 |
|21| 63.4 | 62.2 | 62.4 | 55|  78| 0.00| 29.71| 29.69|29.699| 0.2|176|  7|  S|  2|185|    0 |
|22| 64.2 | 62.7 | 63.6 | 56|  75| 0.00| 29.70| 29.70|29.701| 0.1|208|  3|SSW|  1|220|    0 |
|23| 63.6 | 62.6 | 63.2 | 55|  75| 0.00| 29.70| 29.68|29.694| 0.3|190| 12| SE|  2|163|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.00| 29.76| 29.67|29.718| 0.8|197| 18|  W|  7|221| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     64.1    | 64.4 | 55|72.5| 3.01|   0  |  18  | ---- | -- | - |   15  |   14  | 252.0|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat   0|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                0.0 | of Snow, Ice Pellets or Ice     0 |  .........  | Days |  Cool   0|
   +--------------------+-----------------------------------+-------------+------+----------+

  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.