Weather History for Groton, CT

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Month of May, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 82 °F 65 °F 54 °F
Mean Temperature 70 °F 56 °F 46 °F
Min Temperature 62 °F 47 °F 35 °F
Degree Days  
Heating Degree Days (base 65) 19 9 0 288
Cooling Degree Days (base 65) 6 0 0 10
Growing Degree Days (base 50) 20 6 0 196
Dew Point  
Dew Point 69 °F 48 °F 23 °F
Precipitation  
Precipitation 0.33 in 0.04 in 0.00 in 1.15 in
Snowdepth - - - -
Wind  
Wind 22 mph 6 mph 0 mph
Gust Wind 33 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.48 in 30.06 in 29.62 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 24, 2013 Rise Set
Actual Time 5:21 AM EDT 8:08 PM EDT
Civil Twilight 4:49 AM EDT 8:41 PM EDT
Nautical Twilight 4:08 AM EDT 9:22 PM EDT
Astronomical Twilight 3:21 AM EDT 10:09 PM EDT
Moon 7:47 PM EDT (5/24) 4:52 AM EDT (5/24)
Length of Visible Light 15h 51m
Length of Day
14h 47m
Full, 100% of the Moon is Illuminated
May 24
Full
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Weather History Calendar

Precipitation Actual month total 1.15 Average Month Total: 3.82
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
60 | 36 0.00
Average:
63 | 43 0.05
Fog
Actual:
63 | 39 0.00
Average:
63 | 44 0.10
Scattered Clouds
Actual:
64 | 45 0.00
Average:
60 | 43 0.16
Clear
Actual:
61 | 43 0.00
Average:
61 | 43 0.15
Scattered Clouds
Actual:
57 | 39 0.00
Average:
61 | 42 0.10
Fog
Actual:
57 | 42 0.00
Average:
63 | 44 0.11
Fog
Actual:
62 | 42 0.00
Average:
64 | 43 0.07
Rain
Actual:
64 | 55 0.07
Average:
61 | 43 0.10
Thunderstorm
Actual:
66 | 53 0.09
Average:
61 | 43 0.25
Fog
Actual:
72 | 50 0.00
Average:
65 | 46 0.14
Rain
Actual:
62 | 53 0.33
Average:
65 | 46 0.10
Rain
Actual:
69 | 52 0.00
Average:
66 | 45 0.15
Scattered Clouds
Actual:
57 | 45 0.00
Average:
65 | 46 0.07
Partly Cloudy
Actual:
57 | 41 0.00
Average:
66 | 45 0.08
Rain
Actual:
60 | 35 0.00
Average:
64 | 45 0.14
Fog
Actual:
73 | 42 0.00
Average:
65 | 48 0.16
Scattered Clouds
Actual:
71 | 50 0.00
Average:
68 | 48 0.11
Scattered Clouds
Actual:
66 | 44 0.00
Average:
67 | 48 0.08
Rain
Actual:
62 | 46 0.06
Average:
65 | 47 0.17
Rain
Actual:
72 | 55 0.02
Average:
67 | 48 0.18
Fog
Actual:
72 | 55 0.00
Average:
68 | 49 0.11
Rain
Actual:
66 | 53 0.00
Average:
70 | 49 0.05
Rain
Actual:
66 | 57 0.31
Average:
69 | 48 0.12
Rain
Actual:
66 | 48 0.13
Average:
69 | 49 0.19
Rain
Actual:
54 | 44 0.03
Average:
66 | 49 0.27
Rain
Actual:
62 | 45 0.01
Average:
68 | 49 0.04
Clear
Actual:
69 | 42 0.00
Average:
67 | 48 0.04
Rain
Actual:
64 | 46 0.01
Average:
70 | 49 0.14
Rain
Actual:
70 | 55 0.09
Average:
70 | 50 0.17
Clear
Actual:
82 | 57 0.00
Average:
70 | 51 0.07
Clear
Actual:
81 | 62 0.00
Average:
71 | 53 0.15
 

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
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 60 48 36 47 39 28 93 70 54 30.48 30.44 30.35 10 10 9 14 5 - 0.00  
2 63 50 39 46 40 32 100 71 43 30.46 30.42 30.35 10 8 0 13 3 - 0.00 Fog
3 64 54 45 45 39 34 86 62 42 30.47 30.42 30.36 10 10 8 18 11 24 0.00  
4 61 51 43 43 39 36 80 66 49 30.35 30.30 30.26 10 9 7 22 9 31 0.00  
5 57 47 39 43 40 36 89 75 57 30.31 30.28 30.25 9 8 6 16 9 22 0.00  
6 57 50 42 47 43 37 100 81 67 30.29 30.23 30.18 10 7 0 12 5 - 0.00 Fog
7 62 52 42 54 48 39 96 87 74 30.19 30.16 30.13 10 6 0 10 3 - 0.00 Fog
8 64 60 55 59 55 53 100 90 77 30.15 30.09 30.04 9 4 0 22 8 30 0.07 Fog , Rain
9 66 58 53 58 54 52 100 94 78 30.04 29.95 29.87 10 3 0 16 4 - 0.09 Fog , Rain , Thunderstorm
10 72 60 50 55 52 48 100 86 55 29.98 29.95 29.91 10 4 0 13 3 - 0.00 Fog
11 62 57 53 57 54 52 100 92 81 29.92 29.81 29.71 7 3 0 10 6 - 0.33 Fog , Rain
12 69 61 52 57 49 25 100 79 26 29.86 29.67 29.62 10 4 0 16 5 28 0.00 Fog , Rain
13 57 51 45 33 29 23 56 43 30 30.04 29.97 29.88 10 10 9 21 11 31 0.00  
14 57 49 41 40 32 26 74 52 30 30.09 30.04 30.01 10 10 10 17 10 26 0.00  
15 60 46 35 51 43 34 93 84 60 30.09 29.94 29.70 9 6 0 20 4 - 0.00 Fog , Rain
16 73 56 42 54 47 42 100 82 41 29.81 29.72 29.69 10 4 0 14 2 - 0.00 Fog
17 71 60 50 49 42 36 83 55 31 30.23 30.02 29.82 10 10 9 20 6 26 0.00  
18 66 54 44 50 47 41 93 74 50 30.32 30.29 30.23 10 10 8 14 3 18 0.00  
19 62 54 46 54 50 44 94 86 65 30.37 30.30 30.22 10 5 1 14 4 - 0.06 Rain
20 72 63 55 61 57 53 100 89 70 30.21 30.07 29.97 7 3 0 15 6 - 0.02 Fog , Rain
21 72 63 55 63 57 53 97 89 70 29.97 29.93 29.86 7 2 0 12 5 18 0.00 Fog
22 66 58 53 58 55 50 94 87 77 29.96 29.92 29.88 8 4 0 12 7 - 0.00 Fog , Rain
23 66 62 57 61 58 57 100 91 82 29.94 29.90 29.83 5 3 1 20 10 28 0.31 Rain
24 66 57 48 61 56 44 100 90 67 29.83 29.74 29.67 10 3 0 21 9 30 0.13 Fog , Rain
25 54 49 44 46 43 39 89 84 76 29.83 29.78 29.75 10 7 2 22 13 32 0.03 Rain
26 62 53 45 44 40 38 80 64 44 30.16 29.94 29.81 10 10 6 21 13 33 0.01 Rain
27 69 55 42 49 44 39 96 69 39 30.19 30.15 30.11 10 10 9 17 5 26 0.00  
28 64 55 46 57 52 45 100 86 56 30.23 30.20 30.17 10 8 2 15 3 - 0.01 Rain
29 70 62 55 64 58 55 100 95 84 30.18 30.11 30.02 7 5 2 9 5 - 0.09 Rain
30 82 70 57 69 63 58 100 83 65 30.11 30.08 30.05 8 5 2 14 5 - 0.00  
31 81 70 62 69 65 60 100 83 67 30.11 30.06 30.00 9 6 3 10 4 - 0.00