Weather History for Groton, CT

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Month of January, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 50 °F 33 °F 16 °F
Mean Temperature 42 °F 26 °F 8 °F
Min Temperature 34 °F 19 °F 1 °F
Degree Days  
Heating Degree Days (base 65) 56 38 22 1188
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 48 °F 18 °F -20 °F
Precipitation  
Precipitation 0.63 in 0.07 in 0.00 in 2.24 in
Snowdepth - - - -
Wind  
Wind 31 mph 9 mph 0 mph
Gust Wind 43 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.49 in 29.92 in 29.24 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 07, 2011 Rise Set
Actual Time 7:14 AM EST 4:34 PM EST
Civil Twilight 6:43 AM EST 5:05 PM EST
Nautical Twilight 6:08 AM EST 5:40 PM EST
Astronomical Twilight 5:35 AM EST 6:13 PM EST
Moon 8:54 AM EST (1/7) 8:10 PM EST (1/7)
Length of Visible Light 10h 22m
Length of Day
9h 20m
Waxing Crescent, 11% of the Moon is Illuminated
Jan 7
Waxing Crescent
Jan 12
First Quarter
Jan 19
Full
Jan 26
Last Quarter
Feb 2
New

Weather History Calendar

Precipitation Actual month total 2.24 Average Month Total: 3.82
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
48 | 32 0.00
Average:
40 | 22 0.11
Rain
Actual:
50 | 34 0.15
Average:
39 | 23 0.13
Clear
Actual:
36 | 27 0.00
Average:
39 | 21 0.10
Clear
Actual:
39 | 21 0.00
Average:
38 | 23 0.22
Scattered Clouds
Actual:
41 | 26 0.00
Average:
38 | 21 0.12
Scattered Clouds
Actual:
32 | 16 0.00
Average:
37 | 19 0.03
Snow
Actual:
36 | 26 0.32
Average:
38 | 21 0.14
Snow
Actual:
33 | 21 0.00
Average:
36 | 19 0.14
Snow
Actual:
32 | 25 0.00
Average:
34 | 16 0.17
Clear
Actual:
33 | 24 0.00
Average:
36 | 19 0.13
Snow
Actual:
30 | 17 0.02
Average:
35 | 17 0.08
Thunderstorm
Actual:
33 | 24 0.49
Average:
35 | 16 0.07
Clear
Actual:
30 | 18 0.00
Average:
35 | 17 0.14
Clear
Actual:
23 | 12 0.00
Average:
36 | 18 0.15
Snow
Actual:
37 | 3 0.00
Average:
35 | 19 0.09
Scattered Clouds
Actual:
37 | 23 0.00
Average:
35 | 16 0.11
Partly Cloudy
Actual:
25 | 17 0.00
Average:
36 | 16 0.03
Snow
Actual:
42 | 23 0.63
Average:
35 | 15 0.11
Rain
Actual:
39 | 34 0.00
Average:
35 | 17 0.16
Partly Cloudy
Actual:
33 | 27 0.00
Average:
36 | 18 0.12
Snow
Actual:
32 | 21 0.13
Average:
36 | 17 0.13
Clear
Actual:
23 | 10 0.00
Average:
38 | 16 0.08
Scattered Clouds
Actual:
23 | 3 0.00
Average:
40 | 19 0.26
Scattered Clouds
Actual:
16 | 1 0.00
Average:
41 | 21 0.13
Snow
Actual:
32 | 15 0.01
Average:
40 | 23 0.23
Snow
Actual:
33 | 12 0.42
Average:
39 | 23 0.14
Snow
Actual:
35 | 19 0.07
Average:
37 | 22 0.13
Snow
Actual:
34 | 14 0.00
Average:
37 | 19 0.10
Snow
Actual:
33 | 21 0.00
Average:
36 | 19 0.07
Partly Cloudy
Actual:
36 | 19 0.00
Average:
38 | 20 0.13
Scattered Clouds
Actual:
28 | 18 0.00
Average:
38 | 20 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
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 48 40 32 41 35 28 93 78 52 30.15 30.08 30.00 7 5 2 13 5 - 0.00  
2 50 42 34 48 43 21 100 92 59 29.98 29.91 29.82 10 3 0 18 5 24 0.15 Fog , Rain
3 36 32 27 18 13 8 61 49 33 30.13 30.04 29.86 10 10 10 21 15 33 0.00  
4 39 30 21 28 21 14 81 64 50 30.11 29.93 29.75 10 10 10 17 7 20 0.00  
5 41 34 26 23 17 8 69 55 40 29.82 29.78 29.75 10 10 10 14 7 18 0.00  
6 32 24 16 19 15 9 82 66 46 29.78 29.69 29.59 10 10 9 9 2 - 0.00  
7 36 31 26 32 23 12 100 70 44 29.57 29.44 29.38 10 6 0 23 9 29 0.32 Fog , Snow
8 33 27 21 30 24 19 100 88 79 29.46 29.41 29.36 9 3 0 15 4 21 0.00 Fog , Snow
9 32 28 25 25 19 14 88 67 51 29.96 29.64 29.37 10 7 0 22 16 32 0.00 Fog , Snow
10 33 28 24 17 15 12 65 58 48 30.19 30.08 29.98 10 10 10 23 13 30 0.00  
11 30 24 17 26 16 10 89 69 49 30.26 30.10 29.83 10 9 0 14 5 - 0.02 Fog , Snow
12 33 28 24 31 26 15 100 85 69 29.75 29.45 29.24 10 3 0 29 19 43 0.49 Fog , Rain , Snow , Thunderstorm
13 30 24 18 15 12 9 69 61 49 30.22 30.03 29.73 10 10 10 17 12 25 0.00  
14 23 18 12 9 8 6 74 64 53 30.29 30.26 30.22 10 10 10 14 9 - 0.00  
15 37 20 3 34 18 0 93 77 58 30.28 30.06 29.86 10 8 1 25 8 36 0.00 Snow
16 37 30 23 29 16 8 73 53 40 30.21 30.01 29.85 10 10 9 15 9 22 0.00  
17 25 21 17 10 3 -2 60 48 31 30.38 30.33 30.22 10 10 10 15 9 23 0.00  
18 42 32 23 40 32 12 100 90 63 30.31 29.87 29.51 10 3 1 23 13 33 0.63 Rain , Snow
19 39 36 34 36 33 25 100 86 70 29.84 29.66 29.53 10 10 10 12 7 - 0.00 Rain
20 33 30 27 25 18 15 75 61 52 30.03 29.95 29.83 10 10 10 13 9 22 0.00  
21 32 26 21 25 19 7 93 74 45 29.81 29.55 29.42 10 5 0 23 10 33 0.13 Fog , Snow
22 23 16 10 7 5 3 77 56 42 29.97 29.90 29.81 10 10 9 17 8 22 0.00  
23 23 13 3 7 0 -9 84 58 42 30.30 30.00 29.83 10 9 7 22 9 33 0.00  
24 16 8 1 -5 -14 -20 47 37 19 30.48 30.42 30.32 10 10 10 20 10 24 0.00  
25 32 24 15 30 20 -1 96 84 49 30.35 30.18 30.09 10 3 0 9 3 - 0.01 Fog , Snow
26 33 22 12 30 25 10 96 88 81 30.13 29.83 29.43 7 2 0 23 8 33 0.42 Fog , Rain , Snow
27 35 29 19 28 23 12 93 78 50 29.86 29.59 29.35 10 4 0 31 19 43 0.07 Fog , Snow
28 34 24 14 27 21 11 93 77 52 29.88 29.85 29.82 10 7 2 6 2 - 0.00 Snow
29 33 27 21 27 25 19 100 85 64 30.00 29.90 29.86 10 4 0 10 2 - 0.00 Fog , Snow
30 36 28 19 27 20 14 88 73 61 30.25 30.08 29.99 10 8 6 13 4 - 0.00  
31 28 23 18 14 10 6 71 57 41 30.49 30.42 30.27 10 10 10 10 6 18 0.00