LOCAL CLIMATOLOGICAL DATA
Hourly Summary
November 18, 2008

Station: Westford
Latitude: 44° 37' 39" N
Longitude: 73° 02' 29" W
Elevation (ground): 850 ft.
Time Zone: Eastern

+--+------------------------+----+-----+--------------------+------------------------+------+
|  |       Temperature      |    | Pre-|      Pressure      |           Wind         |  Sun |
|  +------+------+------+---+ Hu-|cipi-|  Adj. to Sea Level +----+---+-------+-------+------+
|  |   M  |   M  |      |   |mid-| ta- +------+------+------+ Avg|Res| Peak  | Minute| Mean |
|  |   a  |   i  |      | D | ity| tion|      |      |      |    |   +---+---+---+---+      |
|  |   x  |   n  |      | e |    |     |      |      |      |  S |   | S |   | S |   |   I  |
| H|   i  |   i  |   M  | w |  M |     |      |      |   M  |  p |   | p |   | p |   |   n  |
| o|   m  |   m  |   e  |   |  e |Water|   M  |   M  |   e  |  e | D | e | D | e | D |   d  |
| u|   u  |   u  |   a  | P |  a |     |   a  |   i  |   a  |  e | i | e | i | e | i |   e  |
| r|   m  |   m  |   n  | t |  n |Equiv|   x  |   n  |   n  |  d | r | d | r | d | r |   x  |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
| 1|   2  |   3  |   4  | 5 |  6 |  7  |   8  |   9  |  10  | 11 | 12| 13| 14| 15| 16|  17  |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
|00| 27.2*| 26.5 | 26.8 | 22|  82| 0.00| 30.00| 29.99|29.998| 2.0|304|  9| NW|  5|298|      |
|01| 26.5 | 26.4 | 26.5 | 22|  84| 0.00| 30.01| 29.99|30.000| 1.7|303|  7|  W|  5|284|      |
|02| 26.5 | 26.2 | 26.4 | 22|  82| 0.00| 30.01| 30.00|30.009| 3.1|310| 10|WNW|  6|313|      |
|03| 26.2 | 25.9 | 26.0 | 21|  82| 0.00| 30.02| 30.01|30.015| 1.6|319| 11| NW|  6|313|      |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 25.9 | 25.3 | 25.6 | 21|  82| 0.00| 30.03| 30.02|30.025| 1.5|326| 10| NW|  6|312|      |
|05| 25.4 | 25.3 | 25.4 | 21|  83| 0.00| 30.04| 30.03|30.034| 1.0|335|  8|WNW|  3|307|      |
|06| 25.4 | 24.5 | 24.8 | 21|  85| 0.00| 30.05| 30.03|30.042| 1.3|350|  7| NW|  3|  9|      |
|07| 24.5 | 23.9 | 24.1 | 21|  87| 0.00| 30.07| 30.05|30.058| 2.4|340| 10| NW|  4|332|      |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 25.0 | 23.9 | 24.5 | 21|  86| 0.00| 30.09| 30.07|30.081| 3.3|338| 13|WNW|  5|333|      |
|09| 25.7 | 23.9 | 24.4 | 20|  83| 0.00| 30.10| 30.09|30.095| 3.6|350| 14|NNE|  6|341|      |
|10| 26.0 | 24.5 | 25.0 | 19|  78| 0.00| 30.11| 30.10|30.108| 3.8|348| 14|NNW|  7|354|      |
|11| 25.6 | 24.5 | 24.9 | 18|  75| 0.00| 30.11| 30.11|30.109| 4.6|355| 15| NW|  8|  7|      |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 25.6 | 23.7 | 24.8 | 18|  76| 0.00| 30.11| 30.11|30.109| 3.6|343| 12|  N|  6|359|      |
|13| 24.3 | 23.7 | 24.1 | 18|  76| 0.00| 30.12| 30.11|30.115| 3.4|349| 14|  N|  6|  3|      |
|14| 23.9 | 22.9 | 23.6 | 17|  75| 0.00| 30.13| 30.12|30.126| 3.0|341| 14|  N|  6|  1|      |
|15| 22.9 | 22.4 | 22.6 | 16|  76| 0.00| 30.15| 30.13|30.140| 1.8|329| 16|WNW|  6|302|      |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 22.5 | 20.4 | 21.3 | 15|  75| 0.00| 30.16| 30.15|30.152| 1.5|356| 15|NNE|  6|345|      |
|17| 20.4 | 19.0 | 19.4 | 13|  76| 0.00| 30.16| 30.15|30.158| 0.1|  1|  3|  N|  1|357|      |
|18| 20.9 | 19.0 | 19.8 | 13|  75| 0.00| 30.17| 30.16|30.168| 0.3|  5|  5|NNW|  1|  6|      |
|19| 22.0 | 20.9 | 21.6 | 14|  71| 0.00| 30.17| 30.17|30.172| 1.1|  2|  9|NNE|  3|  1|      |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 22.0 | 20.9 | 21.6 | 13|  68| 0.00| 30.18| 30.17|30.175| 1.4|  3|  9|  N|  4|  9|      |
|21| 21.0 | 19.2 | 20.3 | 12|  70| 0.00| 30.18| 30.17|30.173| 0.9|  3|  7|  N|  2| 10|      |
|22| 19.5 | 18.2 | 18.7 | 11|  72| 0.00| 30.17| 30.17|30.169| 0.5|  9|  5|NNE|  2|  2|      |
|23| 19.7 | 18.0*| 18.6 | 11|  72| 0.00| 30.17| 30.16|30.165| 0.4|  2|  5|NNW|  1|354|      |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.00| 30.18| 29.99|30.100| 2.0|340| 16|WNW|  8|  7|      |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     22.6    | 23.4 | 17|77.9| 1.39|  20  |   0+ | ---- | -- | - |   15  |   11  |      |
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat  42|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                0.6 | of Snow, Ice Pellets or Ice     T |  .........  | Days |  Cool   0|
   +--------------------+-----------------------------------+-------------+------+----------+

  NOTES:
   Data in columns 4, 5, 6, 10, 11, 17 are means via continuous observations for each hour.
   Units are: 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.
   Column 17: Sunshine index is measured in Watts/m^2 and is continuously averaged for each hour.
   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.
   Data in columns 4B, 5, 6, 10, 11, 17 are updated continuously, there by achieving a
       "true" mean.