Weather History for Groton, CT

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Month of October, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 86 °F 64 °F 43 °F
Mean Temperature 67 °F 55 °F 38 °F
Min Temperature 61 °F 48 °F 28 °F
Degree Days  
Heating Degree Days (base 65) 27 10 0 303
Cooling Degree Days (base 65) 2 0 0 5
Growing Degree Days (base 50) 17 7 0 220
Dew Point  
Dew Point 68 °F 46 °F 22 °F
Precipitation  
Precipitation 0.83 in 0.11 in 0.00 in 3.50 in
Snowdepth - - - -
Wind  
Wind 30 mph 9 mph 0 mph
Gust Wind 43 mph 24 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.47 in 29.96 in 29.37 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Oct. 10, 2011 Rise Set
Actual Time 6:54 AM EDT 6:15 PM EDT
Civil Twilight 6:26 AM EDT 6:43 PM EDT
Nautical Twilight 5:54 AM EDT 7:15 PM EDT
Astronomical Twilight 5:22 AM EDT 7:47 PM EDT
Moon 5:18 PM EDT (10/10) 5:32 AM EDT (10/10)
Length of Visible Light 12h 16m
Length of Day
11h 21m
Waxing Gibbous, 98% of the Moon is Illuminated
Oct 10
Waxing Gibbous
Oct 11
Full
Oct 19
Last Quarter
Oct 26
New
Nov 2
First Quarter

Weather History Calendar

Precipitation Actual month total 3.50 Average Month Total: 3.52
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
73 | 57 0.00
Average:
67 | 48 0.18
Rain
Actual:
69 | 54 0.00
Average:
67 | 48 0.11
Rain
Actual:
64 | 53 0.00
Average:
67 | 48 0.19
Rain
Actual:
64 | 48 0.00
Average:
67 | 47 0.08
Clear
Actual:
70 | 44 0.00
Average:
66 | 46 0.02
Clear
Actual:
66 | 37 0.00
Average:
66 | 45 0.05
Clear
Actual:
63 | 41 0.00
Average:
65 | 45 0.13
Clear
Actual:
72 | 48 0.00
Average:
64 | 44 0.07
Clear
Actual:
86 | 50 0.00
Average:
65 | 46 0.24
Fog
Actual:
86 | 50 0.00
Average:
62 | 44 0.25
Clear
Actual:
70 | 57 0.00
Average:
63 | 43 0.05
Rain
Actual:
62 | 54 0.01
Average:
63 | 43 0.09
Rain
Actual:
70 | 59 0.18
Average:
62 | 44 0.07
Rain
Actual:
70 | 61 0.64
Average:
64 | 44 0.15
Rain
Actual:
66 | 59 0.00
Average:
65 | 45 0.06
Partly Cloudy
Actual:
64 | 59 0.00
Average:
63 | 44 0.14
Scattered Clouds
Actual:
64 | 57 0.00
Average:
61 | 42 0.10
Scattered Clouds
Actual:
66 | 52 0.00
Average:
62 | 42 0.11
Rain
Actual:
63 | 54 0.63
Average:
60 | 42 0.20
Rain
Actual:
68 | 59 0.83
Average:
59 | 41 0.15
Partly Cloudy
Actual:
60 | 51 0.00
Average:
60 | 40 0.06
Partly Cloudy
Actual:
59 | 43 0.00
Average:
61 | 40 0.06
Partly Cloudy
Actual:
57 | 39 0.00
Average:
61 | 41 0.13
Scattered Clouds
Actual:
61 | 37 0.00
Average:
61 | 40 0.13
Scattered Clouds
Actual:
62 | 46 0.00
Average:
60 | 42 0.19
Rain
Actual:
57 | 44 0.00
Average:
58 | 41 0.09
Rain
Actual:
51 | 36 0.50
Average:
57 | 40 0.10
Scattered Clouds
Actual:
50 | 34 0.00
Average:
60 | 38 0.11
Snow
Actual:
43 | 33 0.69
Average:
59 | 37 0.08
Snow
Actual:
48 | 33 0.02
Average:
56 | 36 0.06
Clear
Actual:
52 | 28 0.00
Average:
56 | 36 0.07
 

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
Oct high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 73 64 57 68 62 55 100 88 75 29.73 29.64 29.56 10 9 4 13 6 - 0.00 Rain
2 69 62 54 61 54 48 100 80 57 29.90 29.81 29.73 10 10 5 13 8 23 0.00 Rain
3 64 58 53 55 52 44 100 87 50 30.07 30.00 29.91 10 8 3 13 4 18 0.00 Rain
4 64 56 48 56 52 48 100 89 63 29.99 29.94 29.89 10 8 1 14 5 22 0.00 Rain
5 70 58 44 52 45 32 93 62 37 30.27 30.03 29.92 10 10 10 23 10 28 0.00  
6 66 50 37 41 34 27 93 58 25 30.34 30.29 30.24 10 10 10 14 5 21 0.00  
7 63 51 41 45 38 33 93 64 35 30.47 30.43 30.35 10 10 10 9 6 - 0.00  
8 72 60 48 58 51 44 96 73 47 30.46 30.41 30.36 10 10 10 15 4 - 0.00  
9 86 67 50 64 56 50 100 75 32 30.37 30.31 30.25 10 10 9 10 3 - 0.00  
10 86 66 50 64 56 50 100 86 39 30.24 30.18 30.10 10 7 0 9 2 - 0.00 Fog
11 70 64 57 59 51 42 84 64 40 30.22 30.19 30.14 10 10 10 13 7 - 0.00  
12 62 58 54 58 52 48 97 81 65 30.20 30.12 29.99 10 9 4 14 10 - 0.01 Rain
13 70 64 59 64 60 57 100 92 81 29.97 29.83 29.75 10 8 2 15 10 - 0.18 Rain
14 70 66 61 68 65 52 100 95 72 29.73 29.56 29.37 10 6 1 26 13 33 0.64 Rain
15 66 62 59 53 46 36 72 55 38 29.73 29.61 29.47 10 10 10 23 18 33 0.00 Rain
16 64 62 59 55 42 35 73 49 38 29.85 29.77 29.69 10 10 10 24 18 36 0.00  
17 64 60 57 58 47 38 81 60 38 29.77 29.70 29.61 10 10 10 20 14 26 0.00  
18 66 58 52 51 45 34 93 62 42 29.94 29.86 29.77 10 10 10 14 7 21 0.00  
19 63 58 54 63 59 52 100 92 81 29.92 29.71 29.50 10 6 2 29 11 40 0.63 Rain
20 68 64 59 67 58 44 100 84 55 29.70 29.51 29.44 10 7 2 30 13 39 0.83 Rain
21 60 56 51 45 43 41 71 61 55 29.99 29.86 29.72 10 10 10 20 15 32 0.00  
22 59 52 43 46 43 40 89 74 59 30.09 30.03 29.99 10 10 10 13 6 - 0.00  
23 57 48 39 43 40 38 93 73 51 30.15 30.12 30.08 10 10 10 10 5 - 0.00  
24 61 49 37 50 44 37 97 79 60 30.15 30.07 29.94 10 10 7 15 6 - 0.00  
25 62 54 46 51 40 33 93 62 35 30.03 29.96 29.91 10 10 10 17 8 28 0.00  
26 57 50 44 48 43 35 89 73 57 30.04 29.88 29.76 10 10 10 8 4 - 0.00 Rain
27 51 44 36 49 43 34 100 93 83 29.87 29.68 29.60 10 6 2 20 8 28 0.50 Rain
28 50 41 34 34 28 22 89 63 35 30.27 30.14 29.92 10 10 10 17 11 21 0.00  
29 43 38 33 32 31 25 93 81 51 30.25 29.92 29.68 10 5 1 26 13 40 0.69 Rain , Snow
30 48 40 33 32 30 26 96 78 44 30.31 29.95 29.71 10 8 1 28 18 43 0.02 Snow
31 52 40 28 32 30 27 92 68 45 30.42 30.38 30.31 10 10 10 8 4 - 0.00