Weather History for Groton, CT

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Month of September, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 82 °F 73 °F 62 °F
Mean Temperature 76 °F 64 °F 52 °F
Min Temperature 72 °F 55 °F 41 °F
Degree Days  
Heating Degree Days (base 65) 12 3 0 96
Cooling Degree Days (base 65) 11 2 0 58
Growing Degree Days (base 50) 26 14 2 414
Dew Point  
Dew Point 75 °F 57 °F 36 °F
Precipitation  
Precipitation 0.25 in 0.01 in 0.00 in 0.30 in
Snowdepth - - - -
Wind  
Wind 20 mph 7 mph 0 mph
Gust Wind 26 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.58 in 30.09 in 29.59 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 28, 2014 Rise Set
Actual Time 6:41 AM EDT 6:35 PM EDT
Civil Twilight 6:14 AM EDT 7:02 PM EDT
Nautical Twilight 5:42 AM EDT 7:34 PM EDT
Astronomical Twilight 5:09 AM EDT 8:07 PM EDT
Moon 10:55 AM EDT (9/28) 9:14 PM EDT (9/28)
Length of Visible Light 12h 48m
Length of Day
11h 53m
Waxing Crescent, 19% of the Moon is Illuminated
Sep 28
Waxing Crescent
Oct 1
First Quarter
Oct 8
Full
Oct 15
Last Quarter
Oct 23
New

Weather History Calendar

Precipitation Actual month total 0.30 Average Month Total: 3.50
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
80 | 71 0.00
Average:
77 | 58 0.06
Fog
Actual:
81 | 69 0.00
Average:
77 | 58 0.13
Clear
Actual:
82 | 63 0.00
Average:
76 | 58 0.16
Clear
Actual:
80 | 57 0.00
Average:
76 | 58 0.17
Partly Cloudy
Actual:
79 | 63 0.00
Average:
76 | 57 0.07
Rain
Actual:
82 | 72 0.00
Average:
76 | 57 0.09
Rain
Actual:
80 | 60 0.03
Average:
76 | 57 0.13
Scattered Clouds
Actual:
73 | 55 0.00
Average:
74 | 55 0.10
Partly Cloudy
Actual:
71 | 55 0.00
Average:
73 | 54 0.07
Partly Cloudy
Actual:
75 | 57 0.00
Average:
75 | 55 0.13
Partly Cloudy
Actual:
75 | 60 0.00
Average:
75 | 56 0.05
Clear
Actual:
75 | 55 0.00
Average:
75 | 55 0.09
Rain
Actual:
69 | 53 0.25
Average:
74 | 55 0.11
Clear
Actual:
68 | 50 0.00
Average:
74 | 55 0.10
Clear
Actual:
66 | 46 0.00
Average:
72 | 53 0.28
Rain
Actual:
66 | 50 0.00
Average:
73 | 53 0.08
Clear
Actual:
70 | 48 0.00
Average:
72 | 53 0.07
Clear
Actual:
73 | 46 0.00
Average:
72 | 53 0.15
Scattered Clouds
Actual:
63 | 46 0.00
Average:
72 | 52 0.16
Partly Cloudy
Actual:
71 | 44 0.00
Average:
70 | 52 0.07
Rain
Actual:
75 | 64 0.00
Average:
70 | 53 0.13
Fog
Actual:
75 | 51 0.00
Average:
71 | 52 0.30
Clear
Actual:
64 | 41 0.00
Average:
70 | 50 0.14
Scattered Clouds
Actual:
69 | 46 0.00
Average:
68 | 48 0.10
Rain
Actual:
62 | 57 0.00
Average:
68 | 49 0.05
Rain
Actual:
75 | 55 0.00
Average:
69 | 51 0.18
Clear
Actual:
77 | 53 0.00
Average:
70 | 51 0.09
Clear
Actual:
75 | 52 0.00
Average:
68 | 48 0.04
Partly Cloudy
Actual:
70 | 57 0.00
Average:
67 | 49 0.14
Rain
Actual:
70 | 57 0.02
Average:
68 | 47 0.06
 

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

2014 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 80 75 71 73 72 70 100 92 78 30.00 29.97 29.93 10 7 4 12 5 - 0.00  
2 81 74 69 74 71 69 100 95 81 29.94 29.88 29.77 9 5 0 14 3 - 0.00 Fog
3 82 72 63 71 61 56 93 65 42 30.10 29.95 29.75 10 10 8 18 11 24 0.00  
4 80 68 57 70 62 56 96 80 48 30.20 30.16 30.11 10 10 7 10 4 - 0.00  
5 79 70 63 72 69 63 100 94 82 30.19 30.12 30.04 10 8 2 13 4 - 0.00  
6 82 76 72 75 72 63 100 90 71 30.01 29.92 29.81 10 7 4 13 8 - 0.00 Rain
7 80 70 60 65 58 49 97 71 37 30.19 30.04 29.91 10 10 5 14 8 17 0.03 Rain
8 73 64 55 61 57 53 100 79 57 30.34 30.30 30.21 10 10 10 17 8 - 0.00  
9 71 63 55 61 56 53 94 76 63 30.31 30.24 30.16 10 10 10 15 10 - 0.00  
10 75 65 57 62 59 57 100 87 64 30.14 30.09 30.04 10 10 8 14 9 18 0.00  
11 75 68 60 70 65 58 100 88 73 30.03 29.92 29.82 10 9 7 20 7 24 0.00  
12 75 65 55 58 54 51 93 71 46 30.20 30.07 29.93 10 10 10 16 9 23 0.00  
13 69 60 53 58 54 48 100 81 63 30.24 30.17 30.11 10 9 2 20 9 26 0.25 Rain
14 68 59 50 55 49 46 97 76 49 30.24 30.18 30.12 10 10 10 16 7 23 0.00  
15 66 56 46 51 47 43 93 73 46 30.23 30.17 30.09 10 10 10 12 8 - 0.00  
16 66 58 50 58 54 48 100 86 68 30.09 30.01 29.96 10 10 9 9 3 - 0.00 Rain
17 70 58 48 52 48 42 96 69 39 30.04 29.99 29.95 10 10 10 13 7 - 0.00  
18 73 60 46 53 49 46 100 70 38 30.09 29.99 29.95 10 10 9 12 5 17 0.00  
19 63 56 46 51 41 36 84 62 37 30.41 30.32 30.12 10 10 10 16 11 20 0.00  
20 71 58 44 62 54 42 97 77 59 30.38 30.25 30.09 10 10 8 16 10 - 0.00  
21 75 68 64 71 68 64 100 93 85 30.06 29.78 29.60 10 8 5 15 7 - 0.00 Rain
22 75 63 51 68 56 39 100 73 42 30.12 29.77 29.59 10 8 0 17 9 24 0.00 Fog
23 64 52 41 54 45 40 97 72 48 30.43 30.29 30.14 10 10 10 12 5 - 0.00  
24 69 58 46 57 52 46 97 79 51 30.58 30.53 30.43 10 10 10 17 8 23 0.00  
25 62 59 57 59 56 52 100 91 78 30.51 30.35 30.19 10 8 4 15 11 - 0.00 Rain
26 75 65 55 59 53 44 100 76 33 30.20 30.16 30.13 10 10 7 15 11 20 0.00 Rain
27 77 64 53 62 56 53 100 80 53 30.19 30.16 30.14 10 10 7 12 5 - 0.00  
28 75 64 52 64 59 52 100 88 66 30.17 30.11 30.01 10 8 2 9 3 - 0.00  
29 70 64 57 66 63 58 100 95 84 30.01 29.96 29.93 9 7 6 12 3 - 0.00  
30 70 62 57 66 58 55 100 94 90 30.00 29.98 29.95 10 9 6 13 9 - 0.02 Rain