Chatham, MA

4:32 AM EDT on August 22, 2017 (GMT -0400)
Chatham Municipal

Weather History for KCQX - September, 2011

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Month of September, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 82 °F 73 °F 63 °F
Mean Temperature 75 °F 67 °F 56 °F
Min Temperature 70 °F 61 °F 50 °F
Degree Days  
Heating Degree Days (base 65) 8 1 0 36
Cooling Degree Days (base 65) 10 3 0 98
Growing Degree Days (base 50) 25 17 6 509
Dew Point  
Dew Point 72 °F 60 °F 39 °F
Precipitation  
Precipitation 0.78 in 0.08 in 0.00 in 2.25 in
Snowdepth - - - -
Wind  
Wind 15 mph 6 mph 0 mph
Gust Wind 36 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.48 in 30.06 in 29.66 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 06, 2011 Rise Set
Actual Time 6:10 AM EDT 7:05 PM EDT
Civil Twilight 5:42 AM EDT 7:33 PM EDT
Nautical Twilight 5:08 AM EDT 8:07 PM EDT
Astronomical Twilight 4:33 AM EDT 8:42 PM EDT
Moon 3:41 PM EDT (9/6) 12:18 AM EDT (9/6)
Length of Visible Light 13h 51m
Length of Day
12h 54m
Waxing Gibbous, 70% of the Moon is Illuminated
Sep 6
Waxing Gibbous
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter

Daily Weather History & Observations

2011 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 75 68 61 61 58 52 88 75 44 30.24 30.19 30.15 10 10 10 12 4 - 0.00  
2 70 63 57 61 58 53 94 78 64 30.16 30.12 30.06 10 10 9 14 6 18 0.00  
3 77 65 55 63 60 52 90 74 59 30.05 29.98 29.92 10 10 8 14 5 26 0.01  
4 80 75 70 67 62 59 87 70 54 29.97 29.94 29.90 10 10 10 15 9 26 0.00  
5 82 75 69 72 70 66 94 84 72 29.92 29.89 29.88 10 9 2 15 9 24 0.00  
6 73 66 60 70 62 57 94 89 87 30.21 30.05 29.84 10 8 2 13 8 20 0.25 Rain
7 66 64 62 64 61 58 100 92 84 30.22 30.17 30.10 10 3 0 12 8 21 0.25 Fog , Rain
8 71 66 62 66 62 59 100 91 78 30.14 30.04 29.91 10 6 0 12 5 23 0.22 Fog , Rain , Thunderstorm
9 73 68 62 63 60 54 96 83 50 29.91 29.79 29.73 10 7 0 10 7 21 0.01 Fog
10 73 66 60 60 55 50 93 69 57 30.09 29.95 29.84 10 10 10 15 5 22 0.00  
11 69 62 57 57 52 48 87 67 49 30.19 30.12 30.06 10 10 10 10 5 - 0.00  
12 78 70 63 68 65 59 94 84 69 30.04 30.00 29.96 10 9 6 12 5 18 0.00  
13 78 72 66 68 65 64 94 82 73 29.99 29.95 29.92 10 9 6 13 7 23 0.01  
14 80 74 69 70 68 65 94 85 71 30.00 29.97 29.93 10 6 2 13 8 21 0.00  
15 77 67 57 70 65 46 94 86 67 30.00 29.90 29.80 10 6 0 15 5 36 0.00 Fog , Rain
16 63 56 50 46 42 39 86 60 43 30.34 30.17 29.93 10 10 8 14 9 26 0.01 Rain
17 63 57 51 45 42 40 80 57 45 30.48 30.44 30.35 10 10 10 9 4 16 0.00  
18 64 62 59 52 47 43 72 59 50 30.47 30.42 30.35 10 10 10 15 9 23 0.00  
19 66 58 51 54 51 48 89 70 58 30.32 30.26 30.18 10 10 10 14 7 20 0.00  
20 71 60 51 63 57 48 94 81 68 30.18 30.15 30.11 10 9 4 12 4 24 0.01 Rain
21 77 69 61 64 62 59 94 79 64 30.28 30.25 30.17 10 9 4 8 3 - 0.00 Rain
22 73 69 66 67 65 62 94 90 81 30.25 30.16 30.12 10 6 0 13 6 21 0.04 Fog , Rain
23 73 68 66 70 67 64 100 92 83 30.19 30.13 30.07 10 2 0 8 4 - 0.06 Fog , Rain
24 75 70 68 71 68 66 96 92 87 30.10 30.05 30.00 10 4 0 13 6 20 0.57 Fog , Rain
25 81 74 68 70 67 65 96 89 74 30.09 30.06 30.03 10 6 0 7 3 - 0.00 Fog
26 82 73 66 70 66 62 100 88 66 30.03 30.00 29.96 10 6 0 6 1 - 0.01 Fog
27 77 70 62 67 63 57 100 86 52 30.09 30.00 29.97 10 5 0 6 1 - 0.01 Fog
28 70 67 64 63 60 57 87 80 73 30.12 30.07 29.99 10 10 10 15 8 21 0.00  
29 73 68 64 68 65 60 97 91 83 29.97 29.75 29.66 10 7 0 13 9 32 0.78 Fog , Rain , Thunderstorm
30 72 67 62 63 60 54 93 79 64 29.80 29.75 29.70 10 10 6 9 6 18 0.01