Weather History for Groton, CT

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Month of August, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 86 °F 80 °F 73 °F
Mean Temperature 80 °F 72 °F 64 °F
Min Temperature 73 °F 65 °F 54 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 14 7 0 224
Growing Degree Days (base 50) 30 22 14 682
Dew Point  
Dew Point 75 °F 65 °F 45 °F
Precipitation  
Precipitation 0.55 in 0.05 in 0.00 in 1.60 in
Snowdepth - - - -
Wind  
Wind 31 mph 4 mph 0 mph
Gust Wind 40 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.33 in 29.98 in 29.74 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 06, 2012 Rise Set
Actual Time 5:48 AM EDT 7:58 PM EDT
Civil Twilight 5:18 AM EDT 8:29 PM EDT
Nautical Twilight 4:40 AM EDT 9:06 PM EDT
Astronomical Twilight 3:59 AM EDT 9:47 PM EDT
Moon 10:01 PM EDT (8/6) 10:39 AM EDT (8/6)
Length of Visible Light 15h 10m
Length of Day
14h 09m
Waning Gibbous, 78% of the Moon is Illuminated
Aug 6
Waning Gibbous
Aug 9
Last Quarter
Aug 17
New
Aug 24
First Quarter
Aug 31
Full

Weather History Calendar

Precipitation Actual month total 1.60 Average Month Total: 4.10
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
78 | 64 0.00
Average:
81 | 63 0.07
Fog
Actual:
80 | 71 0.00
Average:
82 | 64 0.05
Fog
Actual:
82 | 69 0.00
Average:
82 | 64 0.12
Fog
Actual:
82 | 71 0.00
Average:
81 | 65 0.37
Thunderstorm
Actual:
82 | 73 0.00
Average:
81 | 63 0.05
Thunderstorm
Actual:
86 | 66 0.22
Average:
81 | 62 0.04
Clear
Actual:
75 | 62 0.00
Average:
80 | 62 0.15
Scattered Clouds
Actual:
80 | 64 0.00
Average:
81 | 63 0.14
Fog
Actual:
82 | 72 0.00
Average:
81 | 64 0.25
Thunderstorm
Actual:
82 | 73 0.55
Average:
81 | 64 0.14
Rain
Actual:
80 | 73 0.04
Average:
79 | 63 0.41
Rain
Actual:
81 | 73 0.09
Average:
79 | 62 0.21
Scattered Clouds
Actual:
80 | 66 0.00
Average:
79 | 60 0.10
Clear
Actual:
81 | 64 0.00
Average:
80 | 62 0.10
Thunderstorm
Actual:
75 | 66 0.15
Average:
79 | 62 0.18
Scattered Clouds
Actual:
84 | 64 0.00
Average:
80 | 62 0.08
Clear
Actual:
82 | 64 0.00
Average:
80 | 62 0.11
Rain
Actual:
73 | 60 0.54
Average:
79 | 61 0.12
Clear
Actual:
77 | 55 0.00
Average:
78 | 60 0.20
Scattered Clouds
Actual:
73 | 61 0.00
Average:
78 | 60 0.04
Scattered Clouds
Actual:
78 | 64 0.00
Average:
78 | 57 0.11
Clear
Actual:
78 | 62 0.00
Average:
78 | 58 0.08
Clear
Actual:
78 | 61 0.00
Average:
77 | 59 0.09
Clear
Actual:
81 | 64 0.00
Average:
77 | 58 0.12
Scattered Clouds
Actual:
79 | 66 0.00
Average:
78 | 59 0.13
Clear
Actual:
75 | 60 0.00
Average:
78 | 59 0.11
Partly Cloudy
Actual:
80 | 59 0.00
Average:
79 | 61 0.11
Rain
Actual:
86 | 72 0.01
Average:
79 | 62 0.04
Clear
Actual:
77 | 57 0.00
Average:
78 | 61 0.11
Clear
Actual:
75 | 54 0.00
Average:
78 | 59 0.24
Clear
Actual:
86 | 64 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

2012 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 78 71 64 70 68 61 94 87 76 29.92 29.89 29.85 9 7 5 12 3 - 0.00  
2 80 76 71 72 70 69 96 90 71 29.92 29.86 29.83 6 4 0 9 3 - 0.00 Fog
3 82 76 69 74 71 68 94 88 74 30.10 29.99 29.93 6 4 0 10 2 - 0.00 Fog
4 82 76 71 75 73 70 100 92 76 30.22 30.18 30.12 7 2 0 12 3 - 0.00 Fog
5 82 77 73 74 72 70 100 91 74 30.22 30.14 29.97 10 4 0 14 6 23 0.00 Fog , Rain , Thunderstorm
6 86 76 66 73 68 57 94 78 38 29.98 29.96 29.92 10 7 2 14 8 22 0.22 Rain , Thunderstorm
7 75 68 62 68 63 57 90 77 62 30.01 29.99 29.97 10 10 8 8 3 - 0.00  
8 80 72 64 70 67 62 93 83 69 30.00 29.98 29.95 10 8 6 9 2 - 0.00  
9 82 76 72 73 72 70 97 89 74 29.97 29.94 29.90 8 4 0 12 2 - 0.00 Fog
10 82 76 73 74 73 71 94 91 79 29.91 29.86 29.78 6 4 0 31 9 40 0.55 Fog , Rain , Thunderstorm
11 80 76 73 74 73 69 94 90 78 29.93 29.86 29.81 8 4 1 16 6 20 0.04 Rain
12 81 77 73 73 71 70 94 86 74 29.93 29.91 29.88 7 6 4 13 8 - 0.09 Rain
13 80 72 66 70 66 62 93 75 58 29.97 29.93 29.91 10 8 5 14 3 - 0.00  
14 81 72 64 70 66 62 94 79 54 29.96 29.94 29.91 10 7 2 10 2 - 0.00  
15 75 70 66 72 67 64 94 86 76 29.93 29.88 29.83 10 7 0 18 5 30 0.15 Fog , Rain , Thunderstorm
16 84 74 64 68 65 61 97 79 44 29.86 29.84 29.82 10 7 1 13 4 - 0.00  
17 82 72 64 70 66 61 90 78 62 29.86 29.83 29.79 9 7 5 12 5 - 0.00  
18 73 66 60 66 62 59 100 90 76 29.91 29.88 29.82 10 4 0 15 5 18 0.54 Fog , Rain
19 77 65 55 60 55 51 93 69 43 29.96 29.93 29.90 10 10 9 12 5 - 0.00  
20 73 67 61 62 59 55 90 75 53 29.94 29.90 29.85 10 9 7 8 3 - 0.00  
21 78 71 64 64 62 58 90 73 54 30.09 30.00 29.92 10 9 8 15 3 - 0.00  
22 78 70 62 64 61 57 93 74 50 30.14 30.12 30.09 10 8 7 9 3 - 0.00  
23 78 69 61 70 65 59 97 83 68 30.16 30.13 30.11 9 7 2 9 3 - 0.00  
24 81 72 64 68 65 61 94 81 52 30.20 30.15 30.12 8 5 2 7 1 - 0.00  
25 79 72 66 68 63 57 94 78 48 30.30 30.26 30.20 10 6 2 15 5 - 0.00  
26 75 68 60 64 62 59 94 81 60 30.33 30.29 30.24 10 9 6 12 5 - 0.00  
27 80 70 59 72 66 57 94 85 70 30.23 30.11 29.95 10 8 6 14 5 - 0.00  
28 86 80 72 72 68 59 94 75 43 29.94 29.82 29.74 10 7 4 17 8 26 0.01 Rain
29 77 67 57 60 52 45 88 59 33 30.00 29.94 29.86 10 10 9 13 7 18 0.00  
30 75 64 54 66 55 51 90 67 46 30.07 30.03 30.00 10 10 9 16 5 20 0.00  
31 86 74 64 68 62 56 84 64 41 30.02 29.94 29.85 10 8 5 15 7 21 0.00