Weather History for Westfield, MA

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 55 °F 41 °F 30 °F
Mean Temperature 44 °F 34 °F 24 °F
Min Temperature 37 °F 27 °F 19 °F
Degree Days  
Heating Degree Days (base 65) 40 30 21 731
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 52 °F 26 °F 2 °F
Precipitation  
Precipitation 1.49 in 0.12 in 0.00 in 3.07 in
Snowdepth - - - -
Wind  
Wind 25 mph 7 mph 0 mph
Gust Wind 38 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.63 in 29.98 in 29.02 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 19, 2012 Rise Set
Actual Time 7:15 AM EST 4:21 PM EST
Civil Twilight 6:43 AM EST 4:53 PM EST
Nautical Twilight 6:08 AM EST 5:28 PM EST
Astronomical Twilight 5:33 AM EST 6:02 PM EST
Moon 11:15 AM EST (12/19) 11:53 PM EST (12/19)
Length of Visible Light 10h 09m
Length of Day
9h 06m
Waxing Crescent, 45% of the Moon is Illuminated
Dec 19
Waxing Crescent
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Weather History Calendar

Precipitation Actual month total 3.07 Average Month Total: 2.14
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Snow
Actual:
30 | 26 0.00
Average:
42 | 24 0.06
Rain
Actual:
46 | 30 0.06
Average:
41 | 24 0.07
Fog
Actual:
55 | 30 0.01
Average:
41 | 23 0.07
Rain
Actual:
55 | 28 0.00
Average:
40 | 23 0.07
Rain
Actual:
55 | 30 0.03
Average:
40 | 23 0.07
Clear
Actual:
41 | 21 0.00
Average:
39 | 22 0.07
Rain
Actual:
37 | 19 0.06
Average:
39 | 22 0.07
Rain
Actual:
43 | 37 0.23
Average:
38 | 22 0.08
Rain
Actual:
45 | 36 0.22
Average:
38 | 22 0.08
Rain
Actual:
48 | 33 0.24
Average:
38 | 22 0.08
Rain
Actual:
48 | 32 0.01
Average:
38 | 22 0.08
Clear
Actual:
32 | 32 0.00
Average:
38 | 21 0.08
Clear
Actual:
- | - -
Average:
- | - -
Clear
Actual:
- | - -
Average:
- | - -
Clear
Actual:
- | - -
Average:
- | - -
Clear
Actual:
- | - -
Average:
- | - -
Clear
Actual:
- | - -
Average:
- | - -
Clear
Actual:
- | - -
Average:
- | - -
Partly Cloudy
Actual:
45 | 36 0.00
Average:
36 | 19 0.07
Snow
Actual:
42 | 24 0.10
Average:
35 | 19 0.07
Snow
Actual:
55 | 33 1.49
Average:
35 | 19 0.07
Snow
Actual:
37 | 30 0.00
Average:
35 | 19 0.06
Partly Cloudy
Actual:
39 | 26 0.00
Average:
35 | 19 0.06
Partly Cloudy
Actual:
37 | 26 0.00
Average:
35 | 19 0.06
Snow
Actual:
37 | 23 0.03
Average:
34 | 19 0.06
Snow
Actual:
33 | 19 0.00
Average:
34 | 19 0.06
Snow
Actual:
35 | 28 0.43
Average:
34 | 19 0.06
Partly Cloudy
Actual:
34 | 24 0.07
Average:
34 | 18 0.06
Snow
Actual:
32 | 19 0.00
Average:
34 | 18 0.06
Snow
Actual:
32 | 21 0.00
Average:
33 | 18 0.06
Partly Cloudy
Actual:
36 | 21 0.09
Average:
33 | 18 0.06
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 30 28 26 28 23 2 93 79 30 30.63 30.56 30.49 10 5 2 10 7 - 0.00 Rain , Snow
2 46 38 30 44 35 28 96 90 86 30.49 30.26 30.05 5 2 0 13 5 - 0.06 Fog , Rain
3 55 44 30 45 38 27 93 82 53 30.31 30.17 30.05 10 5 0 14 4 25 0.01 Fog
4 55 42 28 52 34 27 93 90 82 30.31 30.23 29.96 10 3 0 14 1 20 0.00 Fog , Rain
5 55 44 30 52 35 12 94 65 42 30.20 29.99 29.86 10 9 4 21 12 31 0.03 Rain
6 41 31 21 18 15 12 82 57 33 30.36 30.30 30.22 10 10 10 9 4 - 0.00  
7 37 28 19 36 29 16 93 85 67 30.30 30.13 30.03 10 5 0 7 1 - 0.06 Fog , Rain
8 43 40 37 41 37 34 93 91 87 30.03 29.96 29.86 10 2 0 7 1 - 0.23 Fog , Rain
9 45 40 36 38 34 29 93 79 53 30.27 30.16 29.98 10 7 0 12 4 - 0.22 Fog , Rain
10 48 40 33 47 40 30 93 90 71 30.10 29.74 29.51 10 3 0 18 4 25 0.24 Fog , Rain
11 48 40 32 35 26 19 73 57 43 30.19 29.91 29.62 10 10 10 20 11 29 0.01 Rain
12 32 - 32 20 20 20 61 61 61 30.21 30.21 30.21 10 10 10 0 0 - 0.00  
13 - - - - - - - - - - - - - - - - - - -  
14 - - - - - - - - - - - - - - - - - - -  
15 - - - - - - - - - - - - - - - - - - -  
16 - - - - - - - - - - - - - - - - - - -  
17 - - - - - - - - - - - - - - - - - - -  
18 - - - - - - - - - - - - - - - - - - -  
19 45 41 36 29 28 24 62 57 53 30.08 29.86 29.64 10 10 10 21 17 32 0.00  
20 42 33 24 31 26 21 89 70 53 30.22 30.12 29.97 10 9 2 8 1 - 0.10 Rain , Snow
21 55 44 33 50 36 28 89 80 65 29.97 29.38 29.02 10 7 2 24 7 33 1.49 Rain , Snow
22 37 34 30 29 22 15 75 60 48 29.72 29.44 29.23 10 10 7 23 11 38 0.00 Snow
23 39 32 26 22 19 16 78 55 46 29.90 29.84 29.72 10 10 10 21 11 29 0.00  
24 37 32 26 22 18 16 75 58 41 30.09 30.03 29.91 10 10 10 17 5 24 0.00  
25 37 31 23 28 23 17 86 77 61 30.28 30.06 29.97 10 6 2 14 5 - 0.03 Snow
26 33 26 19 30 20 11 93 73 49 30.34 30.11 29.78 10 6 0 15 7 22 0.00 Fog , Snow
27 35 32 28 31 29 20 89 82 66 29.77 29.51 29.36 10 4 1 24 15 36 0.43 Rain , Snow
28 34 30 24 21 19 15 81 66 56 30.06 29.96 29.77 10 10 10 15 10 28 0.07  
29 32 24 19 28 23 16 89 84 74 30.04 29.72 29.48 10 4 0 13 5 - 0.00 Fog , Snow
30 32 26 21 28 14 7 87 61 46 30.06 29.79 29.50 10 9 4 25 13 38 0.00 Snow
31 36 28 21 20 16 7 69 58 43 30.09 29.98 29.80 10 10 10 14 8 28 0.09