Weather History for Groton, CT

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Monday, February 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 24 °F -  
Max Temperature 32 °F 38 °F 65 °F (1981)
Min Temperature 17 °F 21 °F -5 °F (1979)
Degree Days  
Heating Degree Days 40    
Moisture  
Dew Point 18 °F    
Average Humidity 100    
Maximum Humidity 100    
Minimum Humidity 100    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 18 mph (WNW)    
Max Wind Speed 28 mph    
Max Gust Speed 44 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

Feb. 18, 2013 Rise Set
Actual Time 6:38 AM EST 5:26 PM EST
Civil Twilight 6:10 AM EST 5:54 PM EST
Nautical Twilight 5:38 AM EST 6:26 PM EST
Astronomical Twilight 5:06 AM EST 6:58 PM EST
Moon 11:08 AM EST (2/18) 1:17 AM EST (2/18)
Length of Visible Light 11h 43m
Length of Day
10h 47m
First Quarter, 58% of the Moon is Illuminated
Feb 18
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
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 18.0 °F 1.3 °F 18.0 °F 100% 29.82 in 10.0 mi NW 20.7 mph 32.2 mph N/A   Clear
1:56 AM 17.1 °F 0.6 °F - N/A% 29.85 in 10.0 mi WNW 19.6 mph 33.4 mph N/A   Clear
2:56 AM 17.1 °F -0.6 °F - N/A% 29.87 in 10.0 mi WNW 23.0 mph 32.2 mph N/A   Clear
3:56 AM 17.1 °F -2.0 °F - N/A% 29.89 in 10.0 mi WNW 27.6 mph 36.8 mph N/A   Clear
4:56 AM 17.1 °F -0.3 °F - N/A% 29.93 in 10.0 mi NW 21.9 mph 43.7 mph N/A   Clear
5:56 AM 17.6 °F 1.3 °F - N/A% 29.97 in 10.0 mi NW 19.6 mph 35.7 mph N/A   Clear
6:56 AM 17.1 °F 0.1 °F - N/A% 30.01 in 10.0 mi NW 20.7 mph 32.2 mph N/A   Clear
7:56 AM 18.0 °F 0.9 °F - N/A% 30.05 in 10.0 mi NW 21.9 mph 40.3 mph N/A   Clear
8:56 AM 19.0 °F 3.2 °F - N/A% 30.07 in 10.0 mi NW 19.6 mph 29.9 mph N/A   Clear
9:56 AM 21.9 °F 5.5 °F - N/A% 30.07 in 10.0 mi NW 24.2 mph 36.8 mph N/A   Clear
10:56 AM 25.0 °F 10.9 °F - N/A% 30.09 in 10.0 mi NW 19.6 mph 29.9 mph N/A   Clear
11:56 AM 26.1 °F 11.3 °F - N/A% 30.12 in 10.0 mi WNW 23.0 mph 32.2 mph N/A   Clear
12:56 PM 28.0 °F 16.1 °F - N/A% 30.12 in 10.0 mi WNW 16.1 mph 28.8 mph N/A   Clear
1:56 PM 30.0 °F 19.5 °F - N/A% 30.11 in 10.0 mi West 13.8 mph 25.3 mph N/A   Clear
2:56 PM 32.0 °F 19.5 °F - N/A% 30.10 in 10.0 mi West 21.9 mph 28.8 mph N/A   Clear
3:56 PM 32.0 °F 20.5 °F - N/A% 30.11 in 10.0 mi WNW 18.4 mph 24.2 mph N/A   Clear
4:56 PM 32.0 °F 20.5 °F - N/A% 30.12 in 10.0 mi West 18.4 mph 24.2 mph N/A   Clear
5:56 PM 30.2 °F 21.9 °F - N/A% 30.15 in 10.0 mi WNW 9.2 mph - N/A   Clear
6:56 PM 30.0 °F 26.5 °F - N/A% 30.17 in 10.0 mi West 3.5 mph - N/A   Clear
7:56 PM 28.9 °F 25.2 °F - N/A% 30.18 in 10.0 mi WNW 3.5 mph - N/A   Clear
8:56 PM 28.4 °F 23.3 °F - N/A% 30.19 in 10.0 mi West 4.6 mph - N/A   Clear
9:56 PM 30.0 °F 24.1 °F - N/A% 30.20 in 10.0 mi West 5.8 mph - N/A   Clear
10:56 PM 28.9 °F 22.8 °F - N/A% 30.19 in 10.0 mi West 5.8 mph - N/A   Clear
11:56 PM 30.0 °F 23.2 °F - N/A% 30.21 in 10.0 mi WSW 6.9 mph - N/A   Clear