Weather History for Groton, CT

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Month of March, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 68 °F 52 °F 39 °F
Mean Temperature 58 °F 45 °F 30 °F
Min Temperature 51 °F 37 °F 21 °F
Degree Days  
Heating Degree Days (base 65) 35 20 6 626
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 8 1 0 28
Dew Point  
Dew Point 57 °F 35 °F -2 °F
Precipitation  
Precipitation 0.22 in 0.02 in 0.00 in 0.74 in
Snowdepth - - - -
Wind  
Wind 30 mph 8 mph 0 mph
Gust Wind 43 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.61 in 30.09 in 29.41 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Mar. 20, 2012 Rise Set
Actual Time 6:50 AM EDT 7:00 PM EDT
Civil Twilight 6:23 AM EDT 7:28 PM EDT
Nautical Twilight 5:50 AM EDT 8:00 PM EDT
Astronomical Twilight 5:18 AM EDT 8:33 PM EDT
Moon 5:32 AM EDT (3/20) 5:25 PM EDT (3/20)
Length of Visible Light 13h 05m
Length of Day
12h 10m
Waning Crescent, 4% of the Moon is Illuminated
Mar 20
Waning Crescent
Mar 22
New
Mar 30
First Quarter
Apr 6
Full
Apr 13
Last Quarter

Weather History Calendar

Precipitation Actual month total 0.74 Average Month Total: 4.73
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
41 | 28 0.20
Average:
43 | 25 0.11
Snow
Actual:
39 | 26 0.03
Average:
43 | 27 0.04
Rain
Actual:
52 | 39 0.11
Average:
44 | 26 0.13
Partly Cloudy
Actual:
44 | 34 0.00
Average:
42 | 25 0.20
Scattered Clouds
Actual:
42 | 25 0.00
Average:
44 | 28 0.14
Clear
Actual:
39 | 21 0.00
Average:
44 | 26 0.15
Clear
Actual:
50 | 39 0.00
Average:
44 | 26 0.18
Clear
Actual:
57 | 48 0.00
Average:
44 | 24 0.10
Rain
Actual:
53 | 36 0.08
Average:
43 | 24 0.06
Scattered Clouds
Actual:
43 | 27 0.00
Average:
44 | 25 0.06
Clear
Actual:
48 | 37 0.00
Average:
46 | 27 0.12
Clear
Actual:
59 | 34 0.00
Average:
45 | 28 0.21
Rain
Actual:
55 | 44 0.02
Average:
45 | 29 0.39
Fog
Actual:
66 | 41 0.00
Average:
46 | 30 0.26
Mostly Cloudy
Actual:
48 | 42 0.00
Average:
46 | 29 0.09
Rain
Actual:
45 | 39 0.00
Average:
47 | 28 0.11
Fog
Actual:
53 | 35 0.00
Average:
48 | 29 0.27
Fog
Actual:
54 | 30 0.00
Average:
45 | 27 0.19
Fog
Actual:
63 | 37 0.00
Average:
47 | 28 0.09
Fog
Actual:
60 | 44 0.00
Average:
48 | 29 0.06
Fog
Actual:
63 | 48 0.00
Average:
47 | 31 0.28
Fog
Actual:
66 | 51 0.00
Average:
47 | 29 0.28
Scattered Clouds
Actual:
68 | 51 0.00
Average:
48 | 30 0.05
Partly Cloudy
Actual:
55 | 46 0.00
Average:
48 | 29 0.13
Rain
Actual:
53 | 44 0.01
Average:
48 | 29 0.12
Scattered Clouds
Actual:
57 | 34 0.00
Average:
51 | 31 0.22
Clear
Actual:
50 | 28 0.00
Average:
50 | 29 0.07
Thunderstorm
Actual:
52 | 34 0.22
Average:
53 | 31 0.10
Mostly Cloudy
Actual:
54 | 42 0.00
Average:
53 | 33 0.14
Scattered Clouds
Actual:
53 | 37 0.00
Average:
51 | 33 0.19
Rain
Actual:
45 | 33 0.07
Average:
51 | 33 0.19
 

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
Mar high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 41 36 28 38 35 24 96 90 79 29.96 29.75 29.66 10 7 2 18 13 29 0.20 Rain
2 39 32 26 36 28 23 89 79 67 30.14 30.08 29.91 10 10 4 21 10 28 0.03 Rain , Snow
3 52 46 39 52 43 22 100 90 40 29.85 29.56 29.41 10 5 0 23 14 32 0.11 Fog , Rain
4 44 40 34 30 23 18 73 53 38 29.69 29.63 29.54 10 10 10 9 5 17 0.00  
5 42 34 25 25 11 -2 75 42 22 30.32 30.00 29.72 10 10 10 20 11 25 0.00  
6 39 30 21 30 12 -2 70 47 21 30.61 30.53 30.35 10 10 10 15 12 23 0.00  
7 50 44 39 45 35 30 87 67 48 30.59 30.46 30.34 10 10 8 22 14 28 0.00  
8 57 52 48 49 46 44 89 81 69 30.34 30.12 29.84 9 8 7 30 17 43 0.00  
9 53 45 36 50 30 18 94 62 40 30.19 30.02 29.79 10 9 2 25 17 34 0.08 Rain
10 43 35 27 22 16 9 75 47 34 30.53 30.40 30.21 10 10 10 18 11 30 0.00  
11 48 42 37 39 30 21 89 62 39 30.52 30.42 30.32 10 10 9 20 13 25 0.00  
12 59 46 34 44 38 32 92 73 42 30.32 30.24 30.15 10 10 7 14 6 - 0.00  
13 55 50 44 52 47 43 100 96 88 30.13 30.01 29.94 10 3 0 12 4 - 0.02 Fog , Rain
14 66 54 41 50 41 26 100 84 23 30.24 30.03 29.94 10 5 0 18 2 22 0.00 Fog
15 48 44 42 40 38 37 89 80 73 30.35 30.32 30.25 10 10 10 13 8 - 0.00  
16 45 42 39 43 39 35 100 88 79 30.34 30.21 30.12 10 8 2 10 7 - 0.00 Rain
17 53 44 35 46 42 36 100 88 69 30.38 30.30 30.18 10 7 0 9 4 - 0.00 Fog
18 54 42 30 47 37 30 100 97 80 30.37 30.33 30.20 7 3 0 12 2 - 0.00 Fog
19 63 50 37 54 45 37 100 89 69 30.26 30.20 30.18 10 5 0 12 3 - 0.00 Fog
20 60 52 44 55 50 41 100 95 80 30.34 30.31 30.25 10 4 0 8 2 - 0.00 Fog
21 63 54 48 57 52 48 100 97 83 30.38 30.32 30.29 10 3 0 9 2 - 0.00 Fog
22 66 58 51 57 54 52 100 96 73 30.29 30.20 30.05 10 3 0 15 6 17 0.00 Fog
23 68 58 51 57 49 38 100 76 47 30.12 30.05 30.02 10 7 1 12 4 - 0.00  
24 55 50 46 47 37 28 80 59 35 30.14 30.08 30.03 10 10 10 17 7 25 0.00  
25 53 48 44 43 39 35 82 72 66 30.01 29.84 29.70 10 10 9 14 8 22 0.01 Rain
26 57 44 34 43 26 8 97 56 23 30.02 29.76 29.66 10 9 5 25 10 40 0.00  
27 50 39 28 11 2 -2 36 23 12 30.20 30.13 30.03 10 10 10 21 14 34 0.00  
28 52 43 34 48 40 15 100 79 40 30.14 29.78 29.56 10 8 2 20 7 24 0.22 Rain , Thunderstorm
29 54 48 42 46 36 28 97 61 50 29.95 29.72 29.53 10 10 7 18 10 29 0.00  
30 53 44 37 35 25 14 68 47 22 30.03 29.99 29.96 10 10 10 17 10 22 0.00  
31 45 40 33 38 37 32 100 89 63 30.02 29.93 29.87 10 7 2 13 8 - 0.07 Rain