Weather History for Groton, CT

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Month of April, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 82 °F 60 °F 50 °F
Mean Temperature 66 °F 50 °F 39 °F
Min Temperature 53 °F 41 °F 30 °F
Degree Days  
Heating Degree Days (base 65) 26 15 0 447
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 16 2 0 59
Dew Point  
Dew Point 58 °F 37 °F 11 °F
Precipitation  
Precipitation 1.13 in 0.08 in 0.00 in 2.54 in
Snowdepth - - - -
Wind  
Wind 28 mph 8 mph 0 mph
Gust Wind 94 mph 27 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.33 in 29.86 in 29.23 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Apr. 30, 2012 Rise Set
Actual Time 5:46 AM EDT 7:45 PM EDT
Civil Twilight 5:16 AM EDT 8:15 PM EDT
Nautical Twilight 4:39 AM EDT 8:51 PM EDT
Astronomical Twilight 4:00 AM EDT 9:31 PM EDT
Moon 1:34 PM EDT (4/30) 2:13 AM EDT (4/30)
Length of Visible Light 14h 58m
Length of Day
13h 58m
Waxing Gibbous, 63% of the Moon is Illuminated
Apr 30
Waxing Gibbous
May 5
Full
May 12
Last Quarter
May 20
New
May 28
First Quarter

Weather History Calendar

Precipitation Actual month total 2.54 Average Month Total: 3.93
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Rain
Actual:
50 | 30 0.05
Average:
52 | 33 0.21
Partly Cloudy
Actual:
55 | 42 0.01
Average:
53 | 34 0.23
Scattered Clouds
Actual:
61 | 32 0.00
Average:
53 | 34 0.17
Partly Cloudy
Actual:
66 | 41 0.00
Average:
51 | 35 0.23
Scattered Clouds
Actual:
55 | 37 0.00
Average:
54 | 37 0.18
Scattered Clouds
Actual:
55 | 34 0.00
Average:
52 | 34 0.12
Partly Cloudy
Actual:
59 | 34 0.00
Average:
52 | 35 0.05
Partly Cloudy
Actual:
59 | 37 0.00
Average:
53 | 34 0.09
Scattered Clouds
Actual:
59 | 43 0.00
Average:
52 | 34 0.12
Scattered Clouds
Actual:
57 | 42 0.00
Average:
54 | 35 0.22
Partly Cloudy
Actual:
60 | 39 0.00
Average:
53 | 34 0.05
Rain
Actual:
57 | 39 0.25
Average:
55 | 34 0.04
Scattered Clouds
Actual:
61 | 37 0.00
Average:
54 | 34 0.12
Scattered Clouds
Actual:
62 | 35 0.00
Average:
54 | 36 0.07
Partly Cloudy
Actual:
64 | 52 0.00
Average:
54 | 36 0.18
Scattered Clouds
Actual:
71 | 50 0.00
Average:
57 | 39 0.16
Clear
Actual:
82 | 50 0.00
Average:
57 | 39 0.15
Scattered Clouds
Actual:
60 | 51 0.00
Average:
58 | 39 0.08
Rain
Actual:
59 | 46 0.00
Average:
58 | 38 0.16
Fog
Actual:
63 | 42 0.00
Average:
57 | 38 0.08
Fog
Actual:
61 | 53 0.00
Average:
58 | 39 0.13
Rain
Actual:
59 | 46 1.13
Average:
59 | 40 0.14
Rain
Actual:
57 | 46 1.10
Average:
60 | 40 0.10
Partly Cloudy
Actual:
55 | 45 0.00
Average:
57 | 41 0.21
Scattered Clouds
Actual:
57 | 41 0.00
Average:
58 | 41 0.09
Rain
Actual:
55 | 35 0.00
Average:
60 | 40 0.12
Fog
Actual:
57 | 39 0.00
Average:
59 | 40 0.10
Clear
Actual:
54 | 37 0.00
Average:
60 | 40 0.16
Clear
Actual:
61 | 37 0.00
Average:
61 | 40 0.06
Scattered Clouds
Actual:
55 | 30 0.00
Average:
62 | 42 0.11
 

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
Apr high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 50 39 30 44 37 30 100 88 68 29.89 29.78 29.62 10 6 1 16 5 94 0.05 Rain
2 55 48 42 45 31 12 100 62 23 29.83 29.66 29.56 10 10 8 21 11 30 0.01  
3 61 46 32 31 16 11 58 33 16 29.88 29.80 29.73 10 10 10 17 8 29 0.00  
4 66 52 41 31 25 14 62 35 18 29.73 29.61 29.47 10 10 10 22 8 34 0.00  
5 55 46 37 33 27 24 70 50 34 29.91 29.78 29.68 10 10 10 14 9 21 0.00  
6 55 44 34 29 22 16 64 42 25 29.99 29.92 29.86 10 10 10 15 7 24 0.00  
7 59 46 34 35 23 15 68 41 25 30.02 29.97 29.90 10 10 10 18 8 29 0.00  
8 59 47 37 39 33 23 89 61 29 29.98 29.78 29.64 10 10 10 18 4 26 0.00  
9 59 51 43 40 31 23 89 49 27 29.67 29.60 29.56 10 10 10 20 9 30 0.00  
10 57 51 42 41 34 22 76 54 31 29.76 29.68 29.64 10 10 10 16 9 22 0.00  
11 60 49 39 38 33 30 73 56 33 29.85 29.78 29.73 10 10 10 15 8 22 0.00  
12 57 50 39 43 39 36 93 75 44 30.09 29.96 29.85 10 10 6 24 8 30 0.25 Rain
13 61 48 37 39 35 26 93 62 27 30.17 30.11 30.06 10 10 10 18 7 26 0.00  
14 62 48 35 49 38 29 96 66 32 30.18 30.10 30.02 10 10 9 17 5 22 0.00  
15 64 58 52 54 52 48 93 81 67 30.03 29.99 29.93 10 8 6 10 4 - 0.00  
16 71 60 50 58 53 50 100 85 65 30.04 29.99 29.94 8 6 2 9 2 - 0.00  
17 82 66 50 55 42 25 100 60 15 30.11 29.99 29.91 10 7 2 20 4 31 0.00  
18 60 56 51 47 36 22 86 53 25 30.22 30.17 30.12 10 10 10 20 12 29 0.00  
19 59 52 46 49 47 46 97 84 70 30.13 30.08 30.02 10 10 8 12 7 - 0.00 Rain
20 63 52 42 53 48 42 100 87 62 30.06 30.00 29.90 10 8 0 10 3 - 0.00 Fog
21 61 56 53 57 54 52 100 96 80 29.89 29.81 29.72 10 3 0 14 6 - 0.00 Fog
22 59 52 46 58 52 45 100 95 75 29.76 29.67 29.45 10 5 0 28 8 44 1.13 Fog , Rain
23 57 52 46 57 52 42 100 95 74 29.44 29.32 29.23 10 5 1 26 18 37 1.10 Rain
24 55 50 45 46 38 34 82 65 51 29.69 29.54 29.39 10 10 9 22 19 30 0.00  
25 57 51 41 47 39 27 89 64 34 29.91 29.80 29.70 10 10 9 14 7 - 0.00  
26 55 44 35 54 45 33 100 87 54 29.95 29.76 29.56 10 7 0 14 5 20 0.00 Fog , Rain
27 57 49 39 54 39 23 100 68 33 30.06 29.71 29.52 10 8 0 26 11 36 0.00 Fog
28 54 46 37 41 28 17 68 49 27 30.17 30.11 30.06 10 10 10 21 13 29 0.00  
29 61 48 37 39 21 14 71 33 17 30.23 30.10 30.01 10 10 10 25 8 34 0.00  
30 55 42 30 39 28 17 76 50 27 30.33 30.28 30.24 10 10 10 14 6 - 0.00