Weather History for Groton, CT

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Month of March, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 57 °F 45 °F 35 °F
Mean Temperature 46 °F 37 °F 28 °F
Min Temperature 39 °F 31 °F 21 °F
Degree Days  
Heating Degree Days (base 65) 38 28 19 856
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 49 °F 26 °F 1 °F
Precipitation  
Precipitation 0.40 in 0.02 in 0.00 in 0.65 in
Snowdepth - - - -
Wind  
Wind 33 mph 11 mph 0 mph
Gust Wind 50 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.44 in 29.88 in 29.44 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Mar. 15, 2013 Rise Set
Actual Time 6:59 AM EDT 6:55 PM EDT
Civil Twilight 6:32 AM EDT 7:22 PM EDT
Nautical Twilight 6:00 AM EDT 7:54 PM EDT
Astronomical Twilight 5:27 AM EDT 8:27 PM EDT
Moon 8:45 AM EDT (3/15) 11:09 PM EDT (3/15)
Length of Visible Light 12h 50m
Length of Day
11h 55m
Waxing Crescent, 15% of the Moon is Illuminated
Mar 15
Waxing Crescent
Mar 19
First Quarter
Mar 27
Full
Apr 3
Last Quarter
Apr 10
New

Weather History Calendar

Precipitation Actual month total 0.65 Average Month Total: 4.73
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
48 | 35 0.00
Average:
43 | 25 0.11
Partly Cloudy
Actual:
39 | 32 0.00
Average:
43 | 27 0.04
Mostly Cloudy
Actual:
37 | 30 0.00
Average:
44 | 26 0.13
Partly Cloudy
Actual:
41 | 28 0.00
Average:
42 | 25 0.20
Partly Cloudy
Actual:
46 | 28 0.00
Average:
44 | 28 0.14
Rain
Actual:
42 | 32 0.00
Average:
44 | 26 0.15
Snow
Actual:
41 | 32 0.00
Average:
44 | 26 0.18
Snow
Actual:
37 | 30 0.00
Average:
44 | 24 0.10
Clear
Actual:
53 | 27 0.00
Average:
43 | 24 0.06
Partly Cloudy
Actual:
41 | 28 0.00
Average:
44 | 25 0.06
Mostly Cloudy
Actual:
48 | 37 0.00
Average:
46 | 27 0.12
Rain
Actual:
50 | 39 0.40
Average:
45 | 28 0.21
Partly Cloudy
Actual:
51 | 35 0.00
Average:
45 | 29 0.39
Snow
Actual:
37 | 28 0.00
Average:
46 | 30 0.26
Partly Cloudy
Actual:
41 | 27 0.00
Average:
46 | 29 0.09
Partly Cloudy
Actual:
39 | 30 0.00
Average:
47 | 28 0.11
Scattered Clouds
Actual:
39 | 27 0.00
Average:
48 | 29 0.27
Snow
Actual:
35 | 21 0.00
Average:
45 | 27 0.19
Snow
Actual:
42 | 30 0.18
Average:
47 | 28 0.09
Scattered Clouds
Actual:
43 | 30 0.00
Average:
48 | 29 0.06
Mostly Cloudy
Actual:
39 | 30 0.00
Average:
47 | 31 0.28
Partly Cloudy
Actual:
43 | 26 0.00
Average:
47 | 29 0.28
Partly Cloudy
Actual:
46 | 30 0.00
Average:
48 | 30 0.05
Clear
Actual:
48 | 30 0.00
Average:
48 | 29 0.13
Rain
Actual:
46 | 32 0.00
Average:
48 | 29 0.12
Partly Cloudy
Actual:
48 | 30 0.00
Average:
51 | 31 0.22
Partly Cloudy
Actual:
53 | 26 0.00
Average:
50 | 29 0.07
Rain
Actual:
48 | 37 0.00
Average:
53 | 31 0.10
Partly Cloudy
Actual:
53 | 37 0.00
Average:
53 | 33 0.14
Scattered Clouds
Actual:
57 | 37 0.00
Average:
51 | 33 0.19
Rain
Actual:
50 | 28 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

2013 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 48 42 35 39 33 24 100 76 51 29.70 29.62 29.54 10 10 9 20 9 24 0.00  
2 39 36 32 28 25 23 75 62 55 29.71 29.68 29.64 10 10 10 14 9 22 0.00  
3 37 34 30 24 22 21 76 63 51 29.67 29.64 29.60 10 10 10 16 11 20 0.00  
4 41 34 28 21 19 18 69 56 43 29.79 29.70 29.65 10 10 10 24 16 32 0.00  
5 46 37 28 33 25 19 85 63 42 30.05 29.95 29.81 10 10 10 18 11 25 0.00  
6 42 37 32 34 31 29 93 77 61 30.02 29.94 29.88 10 9 5 32 17 48 0.00 Rain
7 41 37 32 31 28 26 89 76 57 29.97 29.91 29.85 10 7 1 33 25 50 0.00 Snow
8 37 34 30 31 28 22 93 85 53 30.09 29.94 29.90 10 3 0 25 16 34 0.00 Fog , Snow
9 53 42 27 33 22 17 92 54 24 30.34 30.21 30.10 10 9 8 20 11 29 0.00  
10 41 34 28 34 30 25 89 80 70 30.40 30.36 30.32 9 8 7 10 6 29 0.00  
11 48 42 37 41 37 33 93 86 76 30.34 30.25 30.14 8 7 5 12 7 - 0.00  
12 50 44 39 49 46 38 100 94 83 30.14 29.87 29.72 7 4 1 30 11 40 0.40 Rain
13 51 43 35 46 30 22 100 63 35 29.82 29.78 29.74 10 10 10 18 12 25 0.00  
14 37 32 28 28 19 9 93 62 34 29.88 29.82 29.78 10 8 1 24 11 36 0.00 Snow
15 41 34 27 27 16 7 65 49 38 29.92 29.81 29.70 10 10 8 20 15 33 0.00  
16 39 34 30 27 19 6 78 55 27 29.88 29.82 29.76 10 10 9 12 9 20 0.00  
17 39 34 27 27 11 4 79 43 24 30.30 30.08 29.89 10 10 10 16 8 28 0.00  
18 35 28 21 28 15 1 93 57 29 30.44 30.32 30.14 10 8 2 17 10 28 0.00 Snow
19 42 36 30 39 34 28 100 93 81 30.13 29.80 29.57 10 6 2 22 15 34 0.18 Rain , Snow
20 43 36 30 31 22 16 92 61 35 29.83 29.79 29.72 10 10 8 22 10 33 0.00  
21 39 34 30 28 23 18 85 66 50 29.83 29.70 29.61 10 10 8 14 7 18 0.00  
22 43 32 26 23 15 9 65 47 36 29.81 29.72 29.65 10 10 10 17 11 24 0.00  
23 46 38 30 23 19 13 72 48 26 29.86 29.78 29.70 10 10 10 22 11 37 0.00  
24 48 39 30 34 24 18 86 57 36 29.88 29.80 29.70 10 10 10 14 9 22 0.00  
25 46 38 32 36 30 24 100 74 47 29.75 29.57 29.44 10 9 6 22 10 34 0.00 Rain
26 48 38 30 35 29 21 93 71 39 29.81 29.68 29.52 10 10 9 9 7 - 0.00  
27 53 38 26 35 25 21 92 58 33 29.88 29.83 29.78 10 10 10 17 7 25 0.00  
28 48 42 37 37 33 28 82 70 48 30.05 29.95 29.88 10 10 10 14 9 21 0.00 Rain
29 53 45 37 38 33 28 93 61 44 30.08 30.04 29.99 10 10 10 16 7 24 0.00  
30 57 46 37 35 29 18 83 55 23 30.12 30.08 30.03 10 10 10 17 10 25 0.00  
31 50 38 28 46 39 28 100 90 66 30.14 29.96 29.65 10 7 2 21 5 31 0.07 Rain