Weather History for Westfield, MA

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 95 °F 74 °F 64 °F
Mean Temperature 80 °F 61 °F 50 °F
Min Temperature 71 °F 50 °F 35 °F
Degree Days  
Heating Degree Days (base 65) 15 5 0 160
Cooling Degree Days (base 65) 14 2 0 54
Growing Degree Days (base 50) 30 11 0 341
Dew Point  
Dew Point 76 °F 52 °F 35 °F
Precipitation  
Precipitation 0.93 in 0.08 in 0.00 in 2.36 in
Snowdepth - - - -
Wind  
Wind 18 mph 4 mph 0 mph
Gust Wind 29 mph 20 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.45 in 30.02 in 29.61 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 17, 2013 Rise Set
Actual Time 6:33 AM EDT 6:56 PM EDT
Civil Twilight 6:05 AM EDT 7:24 PM EDT
Nautical Twilight 5:32 AM EDT 7:57 PM EDT
Astronomical Twilight 4:58 AM EDT 8:31 PM EDT
Moon 5:42 PM EDT (9/17) 4:22 AM EDT (9/17)
Length of Visible Light 13h 19m
Length of Day
12h 23m
Waxing Gibbous, 96% of the Moon is Illuminated
Sep 17
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

Weather History Calendar

Precipitation Actual month total 2.36 Average Month Total: 3.74
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Thunderstorm
Actual:
80 | 69 0.42
Average:
77 | 54 0.07
Thunderstorm
Actual:
79 | 71 0.22
Average:
77 | 54 0.08
Partly Cloudy
Actual:
77 | 59 0.01
Average:
76 | 54 0.08
Scattered Clouds
Actual:
80 | 57 0.00
Average:
76 | 54 0.08
Rain
Actual:
73 | 50 0.02
Average:
76 | 53 0.09
Clear
Actual:
68 | 44 0.00
Average:
76 | 53 0.09
Rain
Actual:
80 | 45 0.01
Average:
76 | 53 0.09
Partly Cloudy
Actual:
75 | 50 0.00
Average:
75 | 53 0.10
Clear
Actual:
71 | 39 0.00
Average:
75 | 52 0.10
Rain
Actual:
77 | 57 0.09
Average:
75 | 52 0.10
Thunderstorm
Actual:
95 | 66 0.02
Average:
74 | 52 0.11
Thunderstorm
Actual:
87 | 66 0.93
Average:
74 | 51 0.11
Rain
Actual:
77 | 59 0.06
Average:
74 | 51 0.11
Partly Cloudy
Actual:
66 | 50 0.00
Average:
74 | 51 0.11
Clear
Actual:
71 | 43 0.00
Average:
73 | 50 0.11
Rain
Actual:
72 | 46 0.04
Average:
73 | 50 0.11
Clear
Actual:
64 | 37 0.00
Average:
72 | 50 0.11
Fog
Actual:
73 | 35 0.00
Average:
72 | 49 0.11
Fog
Actual:
77 | 42 0.00
Average:
71 | 49 0.11
Fog
Actual:
78 | 46 0.01
Average:
70 | 48 0.11
Rain
Actual:
73 | 53 0.03
Average:
70 | 48 0.11
Rain
Actual:
70 | 53 0.49
Average:
69 | 47 0.11
Scattered Clouds
Actual:
64 | 44 0.00
Average:
69 | 47 0.11
Clear
Actual:
69 | 39 0.00
Average:
68 | 46 0.10
Scattered Clouds
Actual:
72 | 42 0.00
Average:
67 | 45 0.10
Partly Cloudy
Actual:
66 | 48 0.00
Average:
67 | 45 0.10
Partly Cloudy
Actual:
64 | 48 0.00
Average:
66 | 44 0.10
Scattered Clouds
Actual:
75 | 44 0.00
Average:
66 | 43 0.83
Fog
Actual:
72 | 46 0.01
Average:
65 | 42 0.10
Fog
Actual:
73 | 42 0.00
Average:
65 | 41 0.10
 

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

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 80 74 69 74 71 67 96 91 79 29.87 29.84 29.81 10 7 1 8 3 - 0.42 Rain , Thunderstorm
2 79 75 71 73 72 70 100 93 79 29.83 29.77 29.70 10 6 1 8 3 - 0.22 Rain , Thunderstorm
3 77 68 59 68 61 56 97 79 54 29.87 29.77 29.71 10 9 2 8 3 - 0.01  
4 80 68 57 60 56 51 100 71 36 29.94 29.91 29.86 10 10 10 12 4 17 0.00  
5 73 62 50 61 51 37 97 71 28 30.17 29.99 29.88 10 10 5 15 3 21 0.02 Rain
6 68 55 44 48 43 37 97 69 36 30.27 30.20 30.12 10 10 9 8 2 - 0.00  
7 80 62 45 60 49 44 97 69 30 30.12 30.00 29.88 10 10 10 9 3 - 0.01 Rain
8 75 62 50 59 52 38 93 69 30 30.12 29.88 29.80 10 10 10 18 5 26 0.00  
9 71 55 39 51 45 39 97 69 42 30.26 30.19 30.13 10 10 9 9 3 18 0.00  
10 77 67 57 71 64 51 94 87 76 30.14 30.08 30.02 10 9 4 17 8 22 0.09 Rain
11 95 80 66 76 70 64 100 82 50 30.09 30.04 29.94 10 5 0 17 4 24 0.02 Fog , Rain , Thunderstorm
12 87 75 66 73 68 64 100 88 67 29.94 29.81 29.68 10 6 1 18 4 29 0.93 Rain , Thunderstorm
13 77 67 59 66 61 51 100 80 52 29.81 29.67 29.61 10 9 5 14 4 - 0.06 Rain
14 66 57 50 50 48 45 93 68 54 30.09 29.95 29.82 10 10 10 16 8 18 0.00  
15 71 56 43 56 48 41 93 73 49 30.20 30.12 30.08 10 10 10 8 1 - 0.00  
16 72 58 46 55 48 36 93 71 47 30.29 30.10 30.04 10 10 10 15 4 18 0.04 Rain
17 64 50 37 47 38 35 93 68 38 30.45 30.38 30.31 10 10 10 16 5 20 0.00  
18 73 54 35 50 41 36 100 86 35 30.35 30.30 30.17 10 5 0 8 1 - 0.00 Fog
19 77 58 42 58 47 41 100 85 41 30.17 30.13 30.05 10 5 0 8 0 - 0.00 Fog
20 78 62 46 58 50 46 100 87 43 30.12 30.07 30.00 10 5 0 7 1 - 0.01 Fog
21 73 63 53 66 59 52 100 88 63 30.03 29.90 29.67 10 6 0 14 5 21 0.03 Fog , Rain
22 70 62 53 66 53 42 100 72 44 29.88 29.72 29.61 10 9 3 17 10 25 0.49 Rain
23 64 54 44 46 40 37 86 63 43 30.05 29.96 29.88 10 10 10 16 9 24 0.00  
24 69 54 39 47 41 37 97 69 33 30.05 29.95 29.85 10 10 7 15 4 22 0.00  
25 72 56 42 56 47 40 96 71 45 29.99 29.93 29.87 10 10 10 6 2 - 0.00  
26 66 57 48 52 47 44 96 71 47 30.14 30.05 29.99 10 10 10 13 6 - 0.00  
27 64 56 48 51 49 46 93 79 56 30.29 30.23 30.14 10 10 10 9 4 - 0.00  
28 75 58 44 56 49 42 100 78 45 30.35 30.30 30.26 10 9 2 7 1 - 0.00  
29 72 58 46 54 48 46 100 89 44 30.26 30.21 30.10 10 4 0 7 2 - 0.01 Fog
30 73 58 42 55 45 41 100 82 41 30.12 30.07 29.97 10 8 0 6 1 - 0.00 Fog