History for Groton, CT

Month of December, 2011 — View Current Conditions
Month of December, 2011
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Daily Weekly Monthly Custom
  Max Avg Min Sum
Temperature
Max Temperature 57 °F 48 °F 30 °F
Mean Temperature 54 °F 40 °F 24 °F
Min Temperature 48 °F 31 °F 14 °F
Degree Days
Heating Degree Days (base 65) 42 25 12 781
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 4 0 0 6
Dew Point
Dew Point 57 °F 31 °F -1 °F
Precipitation
Precipitation 0.95 in 0.08 in 0.00 in 2.44 in
Snowdepth - - - -
Wind
Wind 38 mph 8 mph 0 mph
Gust Wind 61 mph 25 mph 17 mph
Sea Level Pressure
Sea Level Pressure 30.67 in 30.12 in 29.26 in
Monthly Graph
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Date:
Astronomy
May. 21, 2013 Rise Set
Actual Time 7:13 AM EST 4:28 PM EST
Civil Twilight 6:42 AM EST 4:59 PM EST
Nautical Twilight 6:07 AM EST 5:34 PM EST
Astronomical Twilight 5:34 AM EST 6:07 PM EST
Moon 10:52 AM EST (12/31) No Moon Set
Length Of Visible Light 10h 16m
Length of Day
9h 14m
Waxing Crescent, 45% of the Moon is Illuminated
Dec 31
Waxing Crescent
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter
Jan 23
New
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Monthly Calendar Overview
Print This Calendar Precipitation: Actual month total 2.44 Average month total 4.54
« Previous Month « 2010 December 2011 2012 » Next Month »
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
1 Clear
Actual: 50 | 34
Precip: 0.00
Average: 45 | 28
Precip: 0.08
2 Scattered Clouds
Actual: 48 | 28
Precip: 0.00
Average: 47 | 29
Precip: 0.18
3 Scattered Clouds
Actual: 46 | 32
Precip: 0.00
Average: 46 | 28
Precip: 0.26
4 Partly Cloudy
Actual: 52 | 30
Precip: 0.00
Average: 45 | 27
Precip: 0.23
5 Fog
Actual: 54 | 42
Precip: 0.00
Average: 43 | 25
Precip: 0.17
6 Rain
Actual: 57 | 48
Precip: 0.38
Average: 46 | 28
Precip: 0.21
7 Rain
Actual: 57 | 48
Precip: 0.95
Average: 45 | 27
Precip: 0.08
8 Rain
Actual: 48 | 30
Precip: 0.36
Average: 43 | 27
Precip: 0.15
9 Scattered Clouds
Actual: 52 | 28
Precip: 0.00
Average: 46 | 26
Precip: 0.16
10 Rain
Actual: 48 | 30
Precip: 0.03
Average: 44 | 27
Precip: 0.05
11 Clear
Actual: 39 | 25
Precip: 0.00
Average: 43 | 27
Precip: 0.20
12 Clear
Actual: 44 | 24
Precip: 0.00
Average: 43 | 26
Precip: 0.11
13 Clear
Actual: 48 | 23
Precip: 0.00
Average: 44 | 27
Precip: 0.10
14 Partly Cloudy
Actual: 48 | 30
Precip: 0.00
Average: 42 | 26
Precip: 0.22
15 Rain
Actual: 54 | 44
Precip: 0.01
Average: 42 | 25
Precip: 0.19
16 Scattered Clouds
Actual: 55 | 39
Precip: 0.00
Average: 44 | 27
Precip: 0.13
17 Scattered Clouds
Actual: 43 | 28
Precip: 0.00
Average: 42 | 24
Precip: 0.24
18 Clear
Actual: 30 | 17
Precip: 0.00
Average: 39 | 22
Precip: 0.06
19 Rain
Actual: 48 | 14
Precip: 0.00
Average: 38 | 22
Precip: 0.04
20 Partly Cloudy
Actual: 46 | 36
Precip: 0.00
Average: 39 | 23
Precip: 0.09
21 Thunderstorm
Actual: 55 | 37
Precip: 0.02
Average: 40 | 24
Precip: 0.17
22 Rain
Actual: 57 | 42
Precip: 0.00
Average: 40 | 24
Precip: 0.19
23 Rain
Actual: 48 | 34
Precip: 0.53
Average: 40 | 24
Precip: 0.15
24 Scattered Clouds
Actual: 36 | 24
Precip: 0.00
Average: 38 | 21
Precip: 0.11
25 Partly Cloudy
Actual: 46 | 24
Precip: 0.00
Average: 39 | 19
Precip: 0.14
26 Scattered Clouds
Actual: 46 | 28
Precip: 0.00
Average: 38 | 21
Precip: 0.22
27 Rain
Actual: 55 | 26
Precip: 0.16
Average: 34 | 19
Precip: 0.03
28 Partly Cloudy
Actual: 53 | 28
Precip: 0.00
Average: 39 | 22
Precip: 0.18
29 Scattered Clouds
Actual: 32 | 24
Precip: 0.00
Average: 40 | 23
Precip: 0.14
30 Scattered Clouds
Actual: 51 | 26
Precip: 0.00
Average: 39 | 22
Precip: 0.14
31 Rain
Actual: 51 | 39
Precip: 0.00
Average: 40 | 20
Precip: 0.12
 
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 Observations
2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 50 42 34 33 25 17 70 56 30 30.30 30.11 29.89 10 10 10 17 10 25 0.00  
2 48 38 28 39 30 24 86 68 49 30.46 30.33 30.26 10 10 10 12 4 - 0.00  
3 46 39 32 32 29 27 92 73 51 30.67 30.61 30.48 10 10 10 15 6 - 0.00  
4 52 41 30 32 30 27 93 61 38 30.61 30.50 30.42 10 10 8 9 4 - 0.00  
5 54 48 42 52 51 48 100 97 93 30.41 30.34 30.23 9 2 0 8 1 - 0.00 Fog
6 57 52 48 57 54 48 100 98 89 30.21 30.06 29.92 10 6 1 13 5 - 0.38 Rain
7 57 54 48 57 54 48 100 99 94 29.90 29.69 29.36 9 2 0 15 5 - 0.95 Fog , Rain
8 48 39 30 48 35 23 100 76 46 30.31 29.76 29.26 10 7 2 32 15 56 0.36 Rain
9 52 40 28 46 37 26 96 82 68 30.36 30.29 30.19 10 10 9 15 5 - 0.00  
10 48 39 30 45 29 14 93 66 40 30.46 30.26 30.14 10 10 5 16 9 21 0.03 Rain
11 39 32 25 23 16 11 92 56 38 30.63 30.59 30.47 10 10 10 9 6 - 0.00  
12 44 34 24 33 26 21 93 77 55 30.61 30.53 30.42 10 10 7 9 3 - 0.00  
13 48 36 23 25 21 17 92 63 28 30.40 30.32 30.25 10 9 6 14 4 - 0.00  
14 48 39 30 36 31 25 82 72 54 30.40 30.37 30.32 10 10 10 12 5 - 0.00  
15 54 49 44 50 45 36 89 79 71 30.31 30.04 29.77 10 10 6 23 16 32 0.01 Rain
16 55 47 39 50 32 24 92 58 39 30.11 29.96 29.71 10 10 9 23 12 34 0.00  
17 43 36 28 29 23 16 92 59 41 30.13 30.08 30.02 10 10 10 14 7 20 0.00  
18 30 24 17 13 7 -1 74 49 31 30.32 30.22 30.12 10 10 10 14 9 21 0.00  
19 48 31 14 37 25 8 88 68 56 30.30 30.10 29.91 10 10 10 24 10 33 0.00 Rain
20 46 41 36 34 27 21 70 58 43 30.22 30.10 29.91 10 10 10 16 9 24 0.00  
21 55 46 37 53 31 22 97 52 29 30.19 29.91 29.68 10 6 2 30 8 51 0.02 Rain , Thunderstorm
22 57 50 42 53 44 39 100 81 51 30.09 29.96 29.69 10 10 10 18 10 31 0.00 Rain
23 48 42 34 46 40 22 100 85 55 30.18 29.92 29.81 10 6 2 21 7 26 0.53 Rain
24 36 30 24 21 16 9 74 57 38 30.48 30.36 30.18 10 10 10 15 7 20 0.00  
25 46 35 24 38 27 15 74 69 60 30.45 30.20 29.86 10 10 10 16 8 23 0.00  
26 46 37 28 35 26 17 86 59 37 30.28 30.08 29.84 10 10 10 25 11 33 0.00  
27 55 40 26 56 43 23 100 87 67 30.22 29.75 29.34 10 7 2 38 14 61 0.16 Rain
28 53 42 28 52 32 15 94 65 49 29.74 29.46 29.33 10 10 6 23 16 36 0.00  
29 32 28 24 15 10 5 56 47 37 30.05 29.95 29.75 10 10 10 16 11 22 0.00  
30 51 38 26 43 34 19 100 79 64 30.06 30.04 30.01 10 9 2 9 2 - 0.00  
31 51 45 39 47 43 37 100 92 82 30.00 29.89 29.78 10 6 3 9 5 - 0.00 Rain
Comma Delimited File