Weather History for Groton, CT

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Thursday, March 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 34 °F -  
Max Temperature 39 °F 47 °F 63 °F (2012)
Min Temperature 30 °F 31 °F 13 °F (1986)
Degree Days  
Heating Degree Days 30    
Moisture  
Dew Point 23 °F    
Average Humidity 66    
Maximum Humidity 85    
Minimum Humidity 50    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.70 in    
Wind  
Wind Speed 7 mph (NNW)    
Max Wind Speed 14 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Mar. 21, 2013 Rise Set
Actual Time 6:49 AM EDT 7:01 PM EDT
Civil Twilight 6:21 AM EDT 7:29 PM EDT
Nautical Twilight 5:49 AM EDT 8:01 PM EDT
Astronomical Twilight 5:16 AM EDT 8:34 PM EDT
Moon 1:25 PM EDT (3/21) 3:12 AM EDT (3/21)
Length of Visible Light 13h 07m
Length of Day
12h 12m
Waxing Gibbous, 68% of the Moon is Illuminated
Mar 21
Waxing Gibbous
Mar 27
Full
Apr 3
Last Quarter
Apr 10
New
Apr 18
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 32.0 °F 27.5 °F 28.0 °F 85% 29.83 in 10.0 mi WNW 4.6 mph - N/A   Overcast
1:56 AM 36.0 °F 29.6 °F 23.0 °F 59% 29.82 in 10.0 mi WNW 8.1 mph - N/A   Overcast
2:56 AM 34.0 °F 28.8 °F 21.9 °F 61% 29.79 in 10.0 mi NW 5.8 mph - N/A   Scattered Clouds
3:56 AM 32.0 °F 28.7 °F 21.9 °F 66% 29.78 in 10.0 mi North 3.5 mph - N/A   Partly Cloudy
4:56 AM 32.0 °F 27.5 °F 23.0 °F 69% 29.77 in 10.0 mi NNE 4.6 mph - N/A   Overcast
5:56 AM 30.9 °F 26.2 °F 19.9 °F 64% 29.78 in 10.0 mi NNE 4.6 mph - N/A   Overcast
6:56 AM 30.9 °F 25.2 °F 19.9 °F 64% 29.78 in 10.0 mi North 5.8 mph - N/A   Overcast
7:56 AM 32.0 °F 24.2 °F 18.0 °F 56% 29.78 in 10.0 mi North 9.2 mph - N/A   Overcast
8:56 AM 34.0 °F 26.0 °F 21.0 °F 59% 29.75 in 10.0 mi North 10.4 mph - N/A   Mostly Cloudy
9:56 AM 35.1 °F 28.6 °F 19.0 °F 52% 29.75 in 10.0 mi NNE 8.1 mph - N/A   Overcast
10:56 AM 36.0 °F 28.0 °F 19.9 °F 52% 29.73 in 10.0 mi North 11.5 mph - N/A   Overcast
11:56 AM 36.0 °F 29.0 °F 21.9 °F 57% 29.71 in 10.0 mi North 9.2 mph - N/A   Overcast
12:56 PM 36.0 °F 27.1 °F 23.0 °F 59% 29.68 in 10.0 mi NNE 13.8 mph - N/A   Overcast
1:56 PM 39.0 °F 32.3 °F 21.9 °F 50% 29.64 in 10.0 mi NNE 10.4 mph 17.3 mph N/A   Overcast
2:56 PM 39.0 °F 32.3 °F 24.1 °F 55% 29.62 in 10.0 mi NNE 10.4 mph - N/A   Overcast
3:56 PM 37.0 °F 30.4 °F 24.1 °F 59% 29.61 in 10.0 mi NW 9.2 mph - N/A   Overcast
4:56 PM 36.0 °F 27.1 °F 25.0 °F 64% 29.61 in 8.0 mi NNW 13.8 mph - N/A   Overcast
5:56 PM 34.0 °F 26.0 °F 25.0 °F 70% 29.62 in 8.0 mi NNW 10.4 mph 18.4 mph N/A   Overcast
6:56 PM 32.0 °F 23.6 °F 26.1 °F 79% 29.62 in 9.0 mi North 10.4 mph - 0.00 in   Overcast
7:56 PM 32.0 °F 24.2 °F 26.1 °F 79% 29.63 in 10.0 mi NNW 9.2 mph - N/A   Overcast
8:56 PM 32.0 °F 27.5 °F 26.1 °F 79% 29.64 in 10.0 mi North 4.6 mph - N/A   Overcast
9:56 PM 32.0 °F 28.7 °F 26.1 °F 79% 29.65 in 10.0 mi NW 3.5 mph - N/A   Overcast
10:56 PM 30.9 °F 23.5 °F 27.0 °F 85% 29.65 in 10.0 mi West 8.1 mph - N/A   Overcast
11:56 PM 30.9 °F 23.5 °F 24.1 °F 76% 29.65 in 10.0 mi WNW 8.1 mph - N/A   Partly Cloudy