Weather History for Groton, CT

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Month of April, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 80 °F 56 °F 44 °F
Mean Temperature 62 °F 47 °F 36 °F
Min Temperature 48 °F 38 °F 27 °F
Degree Days  
Heating Degree Days (base 65) 28 18 4 547
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 12 1 0 33
Dew Point  
Dew Point 56 °F 35 °F 4 °F
Precipitation  
Precipitation 0.33 in 0.03 in 0.00 in 0.83 in
Snowdepth - - - -
Wind  
Wind 31 mph 9 mph 0 mph
Gust Wind 46 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.68 in 30.12 in 29.59 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Apr. 17, 2013 Rise Set
Actual Time 6:05 AM EDT 7:30 PM EDT
Civil Twilight 5:36 AM EDT 7:59 PM EDT
Nautical Twilight 5:01 AM EDT 8:34 PM EDT
Astronomical Twilight 4:25 AM EDT 9:11 PM EDT
Moon 11:15 AM EDT (4/17) 1:08 AM EDT (4/17)
Length of Visible Light 14h 23m
Length of Day
13h 25m
Waxing Crescent, 42% of the Moon is Illuminated
Apr 17
Waxing Crescent
Apr 18
First Quarter
Apr 25
Full
May 2
Last Quarter
May 9
New

Weather History Calendar

Precipitation Actual month total 0.83 Average Month Total: 3.93
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
53 | 36 0.00
Average:
52 | 33 0.21
Scattered Clouds
Actual:
44 | 30 0.00
Average:
53 | 34 0.23
Clear
Actual:
46 | 30 0.00
Average:
53 | 34 0.17
Clear
Actual:
46 | 30 0.00
Average:
51 | 35 0.23
Scattered Clouds
Actual:
57 | 39 0.00
Average:
54 | 37 0.18
Clear
Actual:
50 | 30 0.00
Average:
52 | 34 0.12
Scattered Clouds
Actual:
50 | 27 0.00
Average:
52 | 35 0.05
Scattered Clouds
Actual:
59 | 41 0.00
Average:
53 | 34 0.09
Thunderstorm
Actual:
80 | 44 0.01
Average:
52 | 34 0.12
Rain
Actual:
64 | 44 0.13
Average:
54 | 35 0.22
Rain
Actual:
59 | 44 0.00
Average:
53 | 34 0.05
Rain
Actual:
46 | 39 0.32
Average:
55 | 34 0.04
Rain
Actual:
54 | 39 0.00
Average:
54 | 34 0.12
Partly Cloudy
Actual:
57 | 41 0.00
Average:
54 | 36 0.07
Clear
Actual:
50 | 37 0.00
Average:
54 | 36 0.18
Rain
Actual:
55 | 35 0.00
Average:
57 | 39 0.16
Rain
Actual:
70 | 41 0.00
Average:
57 | 39 0.15
Partly Cloudy
Actual:
57 | 37 0.00
Average:
58 | 39 0.08
Rain
Actual:
60 | 48 0.02
Average:
58 | 38 0.16
Rain
Actual:
57 | 46 0.33
Average:
57 | 38 0.08
Clear
Actual:
54 | 35 0.00
Average:
58 | 39 0.13
Clear
Actual:
52 | 34 0.00
Average:
59 | 40 0.14
Rain
Actual:
48 | 39 0.00
Average:
60 | 40 0.10
Partly Cloudy
Actual:
60 | 44 0.00
Average:
57 | 41 0.21
Rain
Actual:
64 | 39 0.02
Average:
58 | 41 0.09
Scattered Clouds
Actual:
57 | 36 0.00
Average:
60 | 40 0.12
Fog
Actual:
55 | 37 0.00
Average:
59 | 40 0.10
Fog
Actual:
57 | 35 0.00
Average:
60 | 40 0.16
Partly Cloudy
Actual:
59 | 45 0.00
Average:
61 | 40 0.06
Scattered Clouds
Actual:
59 | 42 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

2013 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 53 44 36 46 41 15 100 87 42 29.84 29.65 29.59 10 5 0 18 11 33 0.00 Fog , Rain
2 44 36 30 19 11 6 64 37 22 30.01 29.93 29.87 10 10 10 22 12 31 0.00  
3 46 38 30 14 11 8 47 34 21 30.23 30.07 30.01 10 10 10 22 13 31 0.00  
4 46 38 30 33 22 11 77 53 36 30.35 30.24 30.12 10 10 9 20 12 26 0.00  
5 57 48 39 38 29 12 86 59 20 30.08 29.86 29.67 10 9 8 21 11 30 0.00  
6 50 40 30 27 16 4 82 43 17 30.34 30.19 29.94 10 10 8 20 13 31 0.00  
7 50 38 27 42 34 23 90 78 56 30.33 30.21 30.05 10 8 7 17 6 - 0.00  
8 59 49 41 44 41 38 97 78 47 30.09 30.04 29.99 9 7 2 14 5 - 0.00  
9 80 62 44 49 44 38 100 76 24 30.07 29.95 29.88 10 5 0 22 8 29 0.01 Fog , Rain , Thunderstorm
10 64 53 44 48 44 42 97 83 60 29.96 29.91 29.86 9 7 4 18 8 28 0.13 Rain
11 59 52 44 48 44 34 100 83 62 30.10 29.94 29.82 10 8 2 18 7 25 0.00 Rain
12 46 42 39 39 35 24 93 81 44 30.10 29.90 29.73 10 5 2 28 16 46 0.32 Rain
13 54 46 39 39 36 32 89 73 47 29.96 29.85 29.71 10 10 7 15 11 23 0.00 Rain
14 57 48 41 39 31 23 82 53 33 30.23 30.04 29.95 10 10 8 20 9 28 0.00  
15 50 42 37 39 32 23 93 63 46 30.41 30.34 30.22 10 10 8 10 7 25 0.00  
16 55 44 35 47 42 34 97 83 64 30.40 30.29 30.16 10 8 2 13 5 - 0.00 Rain
17 70 58 41 52 40 31 94 61 24 30.32 30.18 30.11 10 10 7 13 8 18 0.00 Rain
18 57 46 37 46 38 32 93 70 40 30.40 30.31 30.15 10 10 8 16 6 18 0.00  
19 60 52 48 56 51 46 100 95 82 30.14 29.92 29.70 10 2 0 30 8 41 0.02 Fog , Rain
20 57 52 46 45 36 26 83 57 34 30.22 29.81 29.65 10 6 1 31 18 41 0.33 Rain
21 54 44 35 32 24 18 70 48 26 30.66 30.51 30.27 10 10 10 18 12 26 0.00  
22 52 42 34 36 31 26 85 63 39 30.68 30.63 30.54 10 10 8 23 10 34 0.00  
23 48 44 39 41 37 30 86 78 67 30.51 30.28 30.02 10 8 3 22 14 31 0.00 Rain
24 60 52 44 48 43 38 100 82 53 30.02 29.95 29.90 10 6 1 20 14 29 0.00  
25 64 51 39 49 39 27 94 65 27 30.27 30.08 29.90 10 8 3 21 8 28 0.02 Rain
26 57 46 36 44 37 30 90 66 40 30.40 30.35 30.28 10 9 6 12 5 - 0.00  
27 55 46 37 45 42 37 100 86 59 30.41 30.37 30.33 10 5 0 12 5 - 0.00 Fog
28 57 46 35 45 39 35 100 87 45 30.35 30.31 30.26 10 4 0 10 1 - 0.00 Fog
29 59 51 45 46 41 37 93 69 53 30.28 30.26 30.24 10 9 5 10 3 - 0.00  
30 59 50 42 39 34 29 68 52 33 30.35 30.31 30.25 10 10 10 14 4 - 0.00