Weather History for Groton, CT

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Monday, December 24, 2012

  Actual Average Record
Temperature  
Mean Temperature 32 °F -  
Max Temperature 39 °F 38 °F 56 °F (1990)
Min Temperature 25 °F 21 °F 0 °F (1989)
Degree Days  
Heating Degree Days 33    
Moisture  
Dew Point 22 °F    
Average Humidity 62    
Maximum Humidity 96    
Minimum Humidity 45    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 6 mph (NNW)    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 9 miles    
Events Snow    
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

Dec. 24, 2012 Rise Set
Actual Time 7:12 AM EST 4:23 PM EST
Civil Twilight 6:40 AM EST 4:55 PM EST
Nautical Twilight 6:06 AM EST 5:30 PM EST
Astronomical Twilight 5:32 AM EST 6:03 PM EST
Moon 1:50 PM EST (12/24) 3:47 AM EST (12/24)
Length of Visible Light 10h 14m
Length of Day
9h 11m
Waxing Gibbous, 88% of the Moon is Illuminated
Dec 24
Waxing Gibbous
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 36.0 °F 29.0 °F 17.1 °F 46% 29.92 in 10.0 mi NW 9.2 mph - N/A   Clear
1:56 AM 35.1 °F 28.6 °F 18.0 °F 50% 29.94 in 10.0 mi WNW 8.1 mph - N/A   Clear
2:56 AM 33.1 °F 27.7 °F 18.0 °F 54% 29.95 in 10.0 mi West 5.8 mph - N/A   Clear
3:56 AM 32.0 °F 27.5 °F 19.0 °F 59% 29.95 in 10.0 mi West 4.6 mph - N/A   Clear
4:56 AM 30.0 °F 25.2 °F 19.9 °F 66% 29.96 in 10.0 mi West 4.6 mph - N/A   Clear
5:56 AM 25.0 °F - 19.9 °F 81% 29.99 in 9.0 mi Calm Calm - N/A   Clear
6:56 AM 26.1 °F 21.9 °F 19.0 °F 75% 30.02 in 10.0 mi NW 3.5 mph - N/A   Clear
7:56 AM 28.0 °F - 21.0 °F 75% 30.05 in 9.0 mi Calm Calm - N/A   Clear
8:56 AM 37.0 °F 31.6 °F 21.9 °F 54% 30.07 in 10.0 mi NNW 6.9 mph - N/A   Clear
9:56 AM 39.0 °F 31.8 °F 21.0 °F 49% 30.08 in 10.0 mi North 11.5 mph - N/A   Clear
10:56 AM 39.0 °F 34.0 °F 19.9 °F 46% 30.07 in 10.0 mi WNW 6.9 mph - N/A   Clear
11:56 AM 39.0 °F 34.8 °F 19.9 °F 46% 30.04 in 10.0 mi NNW 5.8 mph - N/A   Clear
12:56 PM 39.9 °F 36.7 °F 21.0 °F 47% 30.04 in 10.0 mi SW 4.6 mph - N/A   Clear
1:56 PM 39.9 °F 36.7 °F 19.9 °F 45% 30.03 in 10.0 mi NW 4.6 mph - N/A   Clear
2:56 PM 39.9 °F 35.8 °F 19.9 °F 45% 30.04 in 10.0 mi North 5.8 mph - N/A   Clear
3:56 PM 37.9 °F 35.5 °F 19.9 °F 48% 30.06 in 10.0 mi West 3.5 mph - N/A   Clear
4:56 PM 30.9 °F - 23.0 °F 72% 30.04 in 10.0 mi Calm Calm - N/A   Clear
5:56 PM 30.9 °F - 21.9 °F 69% 30.06 in 10.0 mi Calm Calm - N/A   Clear
6:56 PM 30.9 °F 26.2 °F 25.0 °F 79% 30.06 in 9.0 mi NNE 4.6 mph - N/A   Clear
7:56 PM 33.1 °F 27.7 °F 24.1 °F 70% 30.04 in 10.0 mi NNE 5.8 mph - N/A   Mostly Cloudy
8:56 PM 33.1 °F 30.0 °F 24.1 °F 70% 30.03 in 10.0 mi NNE 3.5 mph - N/A   Overcast
9:56 PM 35.1 °F 31.0 °F 24.1 °F 64% 30.01 in 10.0 mi NE 4.6 mph - N/A   Overcast
10:37 PM 35.6 °F 31.7 °F 21.2 °F 56% 30.01 in 10.0 mi ENE 4.6 mph - N/A   Overcast
10:56 PM 35.1 °F 29.3 °F 26.1 °F 70% 30.00 in 2.5 mi ENE 6.9 mph - 0.00 in Snow Light Snow
11:41 PM 32.0 °F 25.6 °F 30.2 °F 93% 29.99 in 1.5 mi NNE 6.9 mph - 0.00 in Snow Light Snow
11:56 PM 32.0 °F 25.6 °F 30.9 °F 96% 29.99 in 3.0 mi NNE 6.9 mph - 0.00 in Snow Light Snow