Weather History for Groton, CT

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Month of August, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 78 °F 71 °F
Mean Temperature 79 °F 72 °F 66 °F
Min Temperature 73 °F 66 °F 57 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 14 7 1 216
Growing Degree Days (base 50) 29 22 16 680
Dew Point  
Dew Point 75 °F 64 °F 50 °F
Precipitation  
Precipitation 1.38 in 0.09 in 0.00 in 2.85 in
Snowdepth - - - -
Wind  
Wind 47 mph 7 mph 0 mph
Gust Wind 64 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.20 in 29.87 in 29.05 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 05, 2011 Rise Set
Actual Time 5:46 AM EDT 8:00 PM EDT
Civil Twilight 5:16 AM EDT 8:31 PM EDT
Nautical Twilight 4:38 AM EDT 9:09 PM EDT
Astronomical Twilight 3:56 AM EDT 9:50 PM EDT
Moon 12:50 PM EDT (8/5) 11:06 PM EDT (8/5)
Length of Visible Light 15h 15m
Length of Day
14h 13m
Waxing Crescent, 41% of the Moon is Illuminated
Aug 5
Waxing Crescent
Aug 6
First Quarter
Aug 13
Full
Aug 21
Last Quarter
Aug 28
New

Weather History Calendar

Precipitation Actual month total 2.85 Average Month Total: 4.10
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
82 | 66 0.00
Average:
81 | 63 0.07
Scattered Clouds
Actual:
87 | 68 0.00
Average:
82 | 64 0.05
Rain
Actual:
78 | 62 0.00
Average:
82 | 64 0.12
Partly Cloudy
Actual:
77 | 66 0.00
Average:
81 | 65 0.37
Mostly Cloudy
Actual:
75 | 66 0.00
Average:
81 | 63 0.05
Rain
Actual:
80 | 69 0.00
Average:
81 | 62 0.04
Rain
Actual:
80 | 71 0.76
Average:
80 | 62 0.15
Rain
Actual:
89 | 70 0.00
Average:
81 | 63 0.14
Rain
Actual:
78 | 69 0.39
Average:
81 | 64 0.25
Partly Cloudy
Actual:
82 | 71 0.00
Average:
81 | 64 0.14
Scattered Clouds
Actual:
78 | 64 0.00
Average:
79 | 63 0.41
Clear
Actual:
78 | 62 0.00
Average:
79 | 62 0.21
Clear
Actual:
78 | 62 0.00
Average:
79 | 60 0.10
Rain
Actual:
71 | 69 0.00
Average:
80 | 62 0.10
Rain
Actual:
71 | 64 0.00
Average:
79 | 62 0.18
Scattered Clouds
Actual:
75 | 66 0.00
Average:
80 | 62 0.08
Clear
Actual:
77 | 71 0.00
Average:
80 | 62 0.11
Scattered Clouds
Actual:
77 | 73 0.00
Average:
79 | 61 0.12
Scattered Clouds
Actual:
77 | 71 0.00
Average:
78 | 60 0.20
Clear
Actual:
78 | 71 0.00
Average:
78 | 60 0.04
Rain
Actual:
78 | 73 0.00
Average:
78 | 57 0.11
Scattered Clouds
Actual:
78 | 64 0.00
Average:
78 | 58 0.08
Scattered Clouds
Actual:
75 | 57 0.00
Average:
77 | 59 0.09
Clear
Actual:
78 | 60 0.00
Average:
77 | 58 0.12
Rain
Actual:
79 | 71 0.00
Average:
78 | 59 0.13
Fog
Actual:
81 | 68 0.00
Average:
78 | 59 0.11
Thunderstorm
Actual:
75 | 68 0.32
Average:
79 | 61 0.11
Rain
Actual:
75 | 66 1.38
Average:
79 | 62 0.04
Clear
Actual:
73 | 60 0.00
Average:
78 | 61 0.11
Clear
Actual:
78 | 57 0.00
Average:
78 | 59 0.24
Clear
Actual:
81 | 57 0.00
Average:
78 | 59 0.03
 

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

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 82 74 66 70 67 60 93 76 64 29.97 29.86 29.76 10 10 4 14 3 - 0.00  
2 87 77 68 66 63 56 90 65 37 29.76 29.69 29.63 10 9 6 15 7 21 0.00  
3 78 70 62 65 61 57 90 74 50 29.79 29.74 29.70 10 10 9 12 4 - 0.00 Rain
4 77 70 66 65 64 62 90 79 62 29.86 29.82 29.79 10 10 10 10 5 - 0.00  
5 75 70 66 67 63 60 94 80 71 30.09 30.08 30.08 10 10 10 10 5 - 0.00  
6 80 74 69 69 67 66 90 85 69 30.08 30.02 29.91 10 10 9 12 6 - 0.00 Rain
7 80 75 71 75 71 69 100 93 79 29.89 29.70 29.54 10 4 1 22 13 28 0.76 Rain
8 89 79 70 72 71 67 100 84 51 29.62 29.52 29.47 10 5 0 14 4 17 0.00 Fog , Rain
9 78 73 69 72 70 66 94 89 76 29.68 29.60 29.51 10 7 2 22 8 26 0.39 Rain
10 82 76 71 72 68 59 94 82 56 29.68 29.54 29.48 10 6 2 16 3 22 0.00  
11 78 70 64 63 59 55 81 66 51 29.90 29.79 29.69 10 10 10 15 7 21 0.00  
12 78 70 62 63 58 54 78 68 44 30.02 29.97 29.91 10 10 10 7 2 - 0.00  
13 78 70 62 66 64 61 94 72 61 30.07 30.04 30.00 10 10 10 8 3 - 0.00  
14 71 70 69 68 66 64 88 85 83 29.98 29.91 29.85 10 7 3 13 6 - 0.00 Rain
15 71 68 64 70 66 63 94 91 88 29.76 29.69 29.61 10 4 2 12 7 - 0.00 Rain
16 75 72 66 61 60 59 83 69 61 29.97 29.90 29.84 10 10 10 10 7 - 0.00  
17 77 76 71 70 67 66 83 78 73 30.09 30.08 30.07 10 10 10 7 5 - 0.00  
18 77 75 73 70 68 66 88 79 69 29.96 29.95 29.94 10 10 10 12 10 - 0.00  
19 77 74 71 70 68 64 94 82 69 29.95 29.93 29.90 10 10 9 9 4 - 0.00  
20 78 74 71 68 64 61 88 69 54 29.99 29.96 29.95 10 10 10 9 7 - 0.00  
21 78 76 73 72 71 70 89 86 78 29.99 29.92 29.83 10 8 5 13 8 - 0.00 Rain
22 78 70 64 61 54 50 73 55 39 29.91 29.81 29.73 10 10 10 17 12 24 0.00  
23 75 66 57 60 54 51 78 63 46 30.09 30.00 29.91 10 10 10 13 7 - 0.00  
24 78 68 60 66 61 57 93 74 58 30.12 30.06 29.98 10 10 10 16 6 - 0.00  
25 79 75 71 72 70 66 91 85 76 29.97 29.91 29.87 10 10 7 18 12 18 0.00 Rain
26 81 74 68 70 67 63 96 82 56 30.00 29.97 29.92 10 8 0 10 4 - 0.00 Fog
27 75 72 68 73 71 66 100 93 88 29.97 29.85 29.67 10 4 0 22 5 30 0.32 Fog , Rain , Thunderstorm
28 75 70 66 73 69 54 100 90 63 29.65 29.39 29.05 10 5 0 47 26 64 1.38 Fog , Rain
29 73 66 60 59 56 53 86 71 59 30.03 29.89 29.68 10 10 10 15 9 25 0.00  
30 78 68 57 59 56 52 90 70 40 30.15 30.09 30.03 10 10 10 13 5 - 0.00  
31 81 68 57 64 60 56 96 77 46 30.20 30.17 30.15 10 10 10 12 3 - 0.00