Groton, CT

11:27 AM EDT on April 26, 2017 (GMT -0400)
Groton-New London

Weather History for KGON - September, 2015

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Month of September, 2015

  Max Avg Min Sum
Temperature  
Max Temperature 86 °F 77 °F 68 °F
Mean Temperature 78 °F 68 °F 56 °F
Min Temperature 72 °F 59 °F 44 °F
Degree Days  
Heating Degree Days (base 65) 9 1 0 26
Cooling Degree Days (base 65) 13 3 0 103
Growing Degree Days (base 50) 28 18 6 527
Dew Point  
Dew Point 75 °F 61 °F 42 °F
Precipitation  
Precipitation 2.65 in 0.15 in 0.00 in 4.50 in
Snowdepth - - - -
Wind  
Wind 29 mph 7 mph 0 mph
Gust Wind 36 mph 24 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.51 in 30.07 in 29.66 in

Monthly Weather History Graph

Monthly Weather History Graph

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Astronomy

Sep. 16, 2015 Rise Set
Actual Time 6:29 AM EDT 6:56 PM EDT
Civil Twilight 6:01 AM EDT 7:23 PM EDT
Nautical Twilight 5:28 AM EDT 7:56 PM EDT
Astronomical Twilight 4:55 AM EDT 8:29 PM EDT
Moon 9:30 AM EDT (9/16) 8:41 PM EDT (9/16)
Length of Visible Light 13h 22m
Length of Day
12h 26m
Waxing Crescent, 10% of the Moon is Illuminated
Sep 16
Waxing Crescent
Sep 21
First Quarter
Sep 27
Full
Oct 4
Last Quarter
Oct 12
New

Daily Weather History & Observations

2015 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 84 75 64 69 65 61 100 77 46 30.06 30.02 29.97 10 9 5 15 6 - 0.00  
2 80 70 62 72 67 63 100 92 74 30.05 30.00 29.88 10 5 0 12 2 - 0.00 Fog
3 82 72 64 74 69 64 100 90 72 29.90 29.85 29.82 9 6 1 9 2 - 0.00  
4 84 73 64 71 65 60 100 77 50 30.24 30.07 29.91 10 8 2 17 7 28 0.00  
5 73 65 57 60 58 56 100 81 55 30.30 30.25 30.22 10 10 10 12 8 - 0.00  
6 75 65 55 67 62 55 97 85 69 30.23 30.19 30.14 10 10 10 14 6 - 0.00  
7 82 72 61 70 67 60 97 84 58 30.13 30.06 29.99 10 10 10 15 6 - 0.00  
8 86 78 72 73 71 68 97 84 57 30.01 29.98 29.93 10 10 9 15 8 - 0.00  
9 82 76 71 75 73 71 100 92 76 29.98 29.92 29.84 10 9 0 13 5 - 0.00 Fog
10 81 74 66 75 72 67 100 97 79 29.87 29.81 29.73 10 7 0 29 7 36 2.65 Fog , Rain , Thunderstorm
11 77 69 63 67 64 62 100 87 66 29.83 29.72 29.66 10 10 6 17 10 28 0.06 Rain
12 75 68 60 68 64 60 100 92 79 29.86 29.82 29.73 10 7 0 18 4 26 0.15 Fog , Rain
13 75 68 63 70 65 60 97 90 76 29.78 29.71 29.68 10 10 4 15 11 28 0.04 Rain
14 73 64 57 60 53 50 93 67 49 30.15 29.96 29.79 10 10 10 16 9 24 0.00  
15 82 68 55 63 55 49 80 63 36 30.28 30.24 30.16 10 10 10 14 7 - 0.00  
16 77 67 57 66 60 56 97 79 56 30.32 30.27 30.22 10 10 7 7 4 - 0.00  
17 77 66 57 69 63 57 100 90 73 30.22 30.14 30.06 10 8 1 10 2 - 0.00  
18 77 67 59 69 63 58 100 91 71 30.06 30.03 29.99 10 6 1 9 3 - 0.00  
19 77 68 60 69 64 59 100 94 71 30.02 29.98 29.88 10 4 0 12 2 - 0.00 Fog , Rain
20 79 70 57 70 60 47 96 71 42 30.10 29.95 29.86 10 10 10 17 9 24 0.00  
21 73 62 51 50 46 42 80 60 38 30.27 30.19 30.10 10 10 10 16 11 21 0.00  
22 73 64 55 58 52 49 90 69 49 30.30 30.26 30.24 10 10 10 15 9 21 0.00  
23 73 62 52 57 53 50 100 83 47 30.26 30.24 30.20 10 8 1 10 7 - 0.00  
24 81 66 51 61 55 49 97 72 43 30.36 30.28 30.22 10 10 10 14 6 - 0.00  
25 70 61 53 56 52 50 93 73 54 30.40 30.37 30.34 10 10 10 14 9 - 0.00  
26 68 60 50 51 49 44 93 72 50 30.51 30.45 30.38 10 10 10 14 9 20 0.00  
27 68 56 44 60 52 42 100 84 65 30.49 30.42 30.34 10 10 10 13 8 - 0.00  
28 75 64 54 68 62 54 100 91 78 30.32 30.23 30.15 10 10 7 8 5 - 0.00  
29 77 69 61 72 68 61 100 96 84 30.14 30.06 29.95 10 8 0 12 4 - 0.00 Fog
30 73 68 63 73 71 58 100 98 81 29.94 29.76 29.68 10 5 1 24 16 34 1.60 Rain