Weather History for Groton, CT

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Saturday, April 27, 2013

  Actual Average Record
Temperature  
Mean Temperature 46 °F -  
Max Temperature 55 °F 59 °F 82 °F (1990)
Min Temperature 37 °F 40 °F 28 °F (2002)
Degree Days  
Heating Degree Days 19    
Moisture  
Dew Point 42 °F    
Average Humidity 86    
Maximum Humidity 100    
Minimum Humidity 59    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.37 in    
Wind  
Wind Speed 5 mph (East)    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 5 miles    
Events Fog    
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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Astronomy

Apr. 27, 2013 Rise Set
Actual Time 5:50 AM EDT 7:41 PM EDT
Civil Twilight 5:21 AM EDT 8:11 PM EDT
Nautical Twilight 4:44 AM EDT 8:47 PM EDT
Astronomical Twilight 4:06 AM EDT 9:26 PM EDT
Moon 10:08 PM EDT (4/27) 7:05 AM EDT (4/27)
Length of Visible Light 14h 50m
Length of Day
13h 50m
Waning Gibbous, 95% of the Moon is Illuminated
Apr 27
Waning Gibbous
May 2
Last Quarter
May 9
New
May 18
First Quarter
May 25
Full

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:33 AM 46.4 °F 45.2 °F 44.6 °F 93% 30.41 in 7.0 mi NE 3.5 mph - N/A   Mostly Cloudy
12:56 AM 46.9 °F - 44.1 °F 90% 30.41 in 7.0 mi North 4.6 mph - N/A   Overcast
1:56 AM 46.0 °F 43.1 °F 43.0 °F 89% 30.40 in 7.0 mi North 5.8 mph - N/A   Overcast
2:56 AM 46.0 °F 43.9 °F 43.0 °F 89% 30.40 in 7.0 mi North 4.6 mph - N/A   Overcast
3:39 AM 44.6 °F 42.2 °F 42.8 °F 93% 30.39 in 7.0 mi North 4.6 mph - N/A   Scattered Clouds
3:56 AM 44.1 °F 42.5 °F 42.1 °F 93% 30.39 in 7.0 mi North 3.5 mph - N/A   Clear
4:56 AM 43.0 °F - 39.9 °F 89% 30.39 in 7.0 mi Calm Calm - N/A   Clear
5:38 AM 39.2 °F 37.0 °F 37.4 °F 93% 30.39 in 1.5 mi NNW 3.5 mph - N/A   Clear
5:56 AM 37.9 °F 33.5 °F 37.0 °F 97% 30.40 in 0.2 mi NNW 5.8 mph - N/A Fog Fog
6:05 AM 39.2 °F 35.9 °F 37.4 °F 93% 30.39 in 1.2 mi North 4.6 mph - N/A   Clear
6:07 AM 39.2 °F 35.9 °F 37.4 °F 93% 30.39 in 3.0 mi NNW 4.6 mph - N/A   Clear
6:56 AM 43.0 °F 41.3 °F 39.9 °F 89% 30.40 in 5.0 mi North 3.5 mph - N/A   Clear
7:56 AM 48.0 °F - 42.1 °F 80% 30.40 in 7.0 mi NNE 3.5 mph - N/A   Clear
8:56 AM 52.0 °F - 42.1 °F 69% 30.40 in 8.0 mi North 3.5 mph - N/A   Clear
9:56 AM 50.0 °F - 42.1 °F 74% 30.40 in 8.0 mi South 8.1 mph - N/A   Clear
10:56 AM 52.0 °F - 44.1 °F 74% 30.41 in 8.0 mi South 9.2 mph - N/A   Clear
11:56 AM 52.0 °F - 44.1 °F 74% 30.40 in 8.0 mi SE 9.2 mph - N/A   Clear
12:56 PM 55.0 °F - 41.0 °F 59% 30.38 in 9.0 mi SE 11.5 mph - N/A   Clear
1:56 PM 55.0 °F - 44.1 °F 67% 30.37 in 9.0 mi SE 11.5 mph - N/A   Clear
2:56 PM 55.0 °F - 43.0 °F 64% 30.36 in 10.0 mi SE 10.4 mph - N/A   Clear
3:56 PM 54.0 °F - 44.1 °F 69% 30.34 in 10.0 mi SE 10.4 mph - N/A   Clear
4:56 PM 52.0 °F - 43.0 °F 71% 30.34 in 9.0 mi SE 10.4 mph - N/A   Clear
5:56 PM 51.1 °F - 43.0 °F 74% 30.33 in 9.0 mi ESE 10.4 mph - N/A   Clear
6:56 PM 50.0 °F - 42.1 °F 74% 30.33 in 9.0 mi SE 5.8 mph - N/A   Clear
7:56 PM 46.9 °F - 41.0 °F 80% 30.33 in 10.0 mi ESE 4.6 mph - N/A   Clear
8:56 PM 46.0 °F 44.8 °F 41.0 °F 83% 30.34 in 10.0 mi SE 3.5 mph - N/A   Clear
9:30 PM 44.6 °F 42.2 °F 42.8 °F 93% 30.35 in 2.5 mi South 4.6 mph - N/A   Partly Cloudy
9:34 PM 44.6 °F 43.1 °F 42.8 °F 93% 30.35 in 1.0 mi South 3.5 mph - N/A   Mostly Cloudy
9:56 PM 43.0 °F - 41.0 °F 93% 30.35 in 0.8 mi Calm Calm - N/A   Mist
10:10 PM 42.8 °F - 41.0 °F 93% 30.35 in 0.2 mi Calm Calm - N/A Fog Fog
10:21 PM 42.8 °F - 41.0 °F 93% 30.35 in 0.2 mi Calm Calm - N/A Fog Fog
10:35 PM 41.0 °F 39.0 °F 39.2 °F 93% 30.35 in 0.2 mi SW 3.5 mph - N/A Fog Fog
10:49 PM 42.8 °F - 42.8 °F 100% 30.35 in 0.2 mi Calm Calm - N/A Fog Fog
10:56 PM 43.0 °F - 42.1 °F 97% 30.35 in 0.2 mi Calm Calm - N/A Fog Fog
11:03 PM 42.8 °F - 42.8 °F 100% 30.35 in 0.5 mi Calm Calm - N/A Fog Fog
11:10 PM 42.8 °F - 42.8 °F 100% 30.34 in 0.2 mi Calm Calm - N/A Fog Fog
11:56 PM 41.0 °F - 39.9 °F 96% 30.35 in 0.2 mi Calm Calm - N/A Fog Fog