Weather History for Groton, CT

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Monday, February 11, 2013

  Actual Average Record
Temperature  
Mean Temperature 32 °F -  
Max Temperature 45 °F 37 °F 62 °F (1999)
Min Temperature 18 °F 20 °F -5 °F (1979)
Degree Days  
Heating Degree Days 34    
Moisture  
Dew Point 37 °F    
Average Humidity 98    
Maximum Humidity 100    
Minimum Humidity 88    
Precipitation  
Precipitation 0.24 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.90 in    
Wind  
Wind Speed 5 mph (South)    
Max Wind Speed 21 mph    
Max Gust Speed 17 mph    
Visibility 2 miles    
Events Fog , Rain    
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. 11, 2013 Rise Set
Actual Time 6:47 AM EST 5:17 PM EST
Civil Twilight 6:19 AM EST 5:46 PM EST
Nautical Twilight 5:46 AM EST 6:18 PM EST
Astronomical Twilight 5:14 AM EST 6:50 PM EST
Moon 7:09 AM EST (2/11) 7:13 PM EST (2/11)
Length of Visible Light 11h 26m
Length of Day
10h 29m
Waxing Crescent, 3% of the Moon is Illuminated
Feb 11
Waxing Crescent
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New

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 - 16.0 °F 92% 30.35 in 7.0 mi Calm Calm - N/A   Clear
1:56 AM 19.9 °F - 18.0 °F 92% 30.33 in 7.0 mi Calm Calm - N/A   Clear
2:56 AM 21.0 °F - 18.0 °F 88% 30.30 in 7.0 mi Calm Calm - N/A   Clear
3:56 AM 23.0 °F - 19.9 °F 88% 30.26 in 8.0 mi Calm Calm - N/A   Partly Cloudy
4:56 AM 24.1 °F 19.7 °F 21.0 °F 88% 30.25 in 8.0 mi NW 3.5 mph - N/A   Scattered Clouds
5:56 AM 26.1 °F 21.9 °F 24.1 °F 92% 30.23 in 8.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
6:56 AM 28.0 °F 24.2 °F 26.1 °F 92% 30.21 in 7.0 mi North 3.5 mph - 0.00 in Rain Light Freezing Rain
7:09 AM 28.4 °F - 26.6 °F 93% 30.20 in 5.0 mi Calm Calm - 0.00 in   Overcast
7:24 AM 28.4 °F 24.6 °F 28.4 °F 100% 30.18 in 4.0 mi ENE 3.5 mph - 0.00 in Rain Light Freezing Rain
7:40 AM 33.8 °F - 32.0 °F 93% 30.17 in 4.0 mi Calm Calm - 0.00 in Rain Light Freezing Rain
7:56 AM 35.1 °F 29.3 °F 34.0 °F 96% 30.16 in 5.0 mi ESE 6.9 mph - 0.00 in Rain Light Freezing Rain
8:06 AM 35.6 °F 27.5 °F 33.8 °F 93% 30.14 in 5.0 mi East 11.5 mph - 0.00 in Rain Light Rain
8:56 AM 37.9 °F 31.5 °F 37.0 °F 97% 30.11 in 5.0 mi ESE 9.2 mph - 0.01 in Rain Light Rain
9:13 AM 39.2 °F 32.0 °F 39.2 °F 100% 30.09 in 5.0 mi SE 11.5 mph - 0.00 in Rain Light Rain
9:56 AM 39.9 °F 32.5 °F 39.9 °F 100% 30.05 in 2.5 mi SE 12.7 mph - 0.00 in Rain Light Rain
10:06 AM 41.0 °F 33.1 °F 41.0 °F 100% 30.03 in 2.5 mi SE 15.0 mph - 0.01 in Rain Light Rain
10:31 AM 41.0 °F 32.5 °F 41.0 °F 100% 30.01 in 1.8 mi SSE 17.3 mph - 0.03 in Rain Light Rain
10:56 AM 41.0 °F 32.2 °F 41.0 °F 100% 29.98 in 2.5 mi SSE 18.4 mph - 0.05 in Rain Light Rain
11:15 AM 42.8 °F 34.0 °F 42.8 °F 100% 29.96 in 1.0 mi SSE 20.7 mph - 0.02 in Rain Rain
11:24 AM 42.8 °F 34.8 °F 42.8 °F 100% 29.95 in 0.8 mi SSE 17.3 mph - 0.03 in Rain Rain
11:56 AM 42.1 °F 33.9 °F 42.1 °F 100% 29.93 in 0.5 mi South 17.3 mph - 0.09 in Fog Fog
12:03 PM 42.8 °F 34.8 °F 42.8 °F 100% 29.92 in 0.2 mi South 17.3 mph - 0.02 in Fog , Rain Rain
12:56 PM 44.1 °F 37.1 °F 44.1 °F 100% 29.88 in 0.5 mi South 15.0 mph - 0.06 in Fog , Rain Light Rain
1:12 PM 42.8 °F 37.5 °F 42.8 °F 100% 29.87 in 0.2 mi SW 9.2 mph - 0.00 in Fog , Rain Light Rain
1:42 PM 44.6 °F 39.7 °F 44.6 °F 100% 29.84 in 1.0 mi SW 9.2 mph 17.3 mph 0.02 in Rain Light Rain
1:56 PM 45.0 °F 41.2 °F 45.0 °F 100% 29.84 in 0.5 mi WSW 6.9 mph - 0.03 in Fog , Rain Light Rain
2:09 PM 44.6 °F 43.1 °F 44.6 °F 100% 29.83 in 0.2 mi West 3.5 mph - 0.00 in Fog , Rain Light Rain
2:25 PM 44.6 °F - 44.6 °F 100% 29.81 in 0.2 mi Calm Calm - 0.00 in Fog Fog
2:56 PM 43.0 °F 38.8 °F 43.0 °F 100% 29.81 in 0.2 mi SW 6.9 mph - 0.00 in Fog , Rain Light Rain
3:23 PM 42.8 °F 37.5 °F 42.8 °F 100% 29.78 in 0.2 mi SW 9.2 mph - 0.00 in Fog Fog
3:33 PM 42.8 °F 37.0 °F 42.8 °F 100% 29.78 in 0.2 mi SW 10.4 mph - 0.00 in Fog Fog
3:52 PM 42.8 °F 37.0 °F 42.8 °F 100% 29.77 in 0.2 mi SW 10.4 mph - 0.00 in Fog , Rain Light Rain
3:56 PM 43.0 °F 37.2 °F 43.0 °F 100% 29.77 in 0.2 mi SW 10.4 mph - 0.00 in Fog , Rain Light Rain
4:56 PM 42.1 °F 36.6 °F 42.1 °F 100% 29.73 in 0.2 mi SW 9.2 mph - 0.00 in Fog Fog
5:56 PM 42.1 °F 38.4 °F 42.1 °F 100% 29.73 in 0.2 mi SW 5.8 mph - 0.00 in Fog , Rain Light Rain
6:56 PM 41.0 °F - 41.0 °F 100% 29.71 in 0.2 mi Calm Calm - 0.00 in Fog Fog
7:56 PM 37.9 °F - 37.9 °F 100% 29.68 in 0.2 mi Calm Calm - N/A Fog Fog
8:48 PM 35.6 °F - 35.6 °F 100% 29.66 in 0.2 mi Calm Calm - N/A Fog Fog
8:56 PM 36.0 °F - 36.0 °F 100% 29.66 in 0.2 mi Calm Calm - N/A Fog Fog
9:05 PM 37.4 °F - 37.4 °F 100% 29.66 in 0.2 mi Calm Calm - N/A Fog Fog
9:56 PM 36.0 °F - 36.0 °F 100% 29.65 in 0.2 mi Calm Calm - N/A Fog Fog
10:16 PM 37.4 °F - 37.4 °F 100% 29.66 in 0.5 mi Calm Calm - 0.00 in Fog , Rain Light Rain
10:29 PM 39.2 °F - 39.2 °F 100% 29.66 in 0.2 mi Calm Calm - 0.00 in Fog Fog
10:38 PM 41.0 °F - 41.0 °F 100% 29.66 in 0.5 mi Calm Calm - 0.00 in Fog Fog
10:48 PM 39.2 °F 35.9 °F 39.2 °F 100% 29.65 in 0.2 mi South 4.6 mph - 0.00 in Fog Fog
10:52 PM 37.4 °F 33.8 °F 37.4 °F 100% 29.65 in 0.2 mi South 4.6 mph - 0.00 in Fog Fog
10:56 PM 37.0 °F 32.4 °F 37.0 °F 100% 29.65 in 0.2 mi SSW 5.8 mph - 0.00 in Fog Fog
11:09 PM 37.4 °F - 37.4 °F 100% 29.65 in 0.2 mi Calm Calm - N/A Fog Fog
11:17 PM 39.2 °F - 39.2 °F 100% 29.65 in 0.2 mi Calm Calm - N/A Fog Fog
11:56 PM 39.0 °F - 39.0 °F 100% 29.66 in 0.2 mi Calm Calm - N/A Fog Fog