Weather History for Groton, CT

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Monday, August 5, 2013

  Actual Average Record
Temperature  
Mean Temperature 67 °F -  
Max Temperature 78 °F 81 °F 91 °F (1979)
Min Temperature 57 °F 63 °F 47 °F (1972)
Cooling Degree Days 2    
Growing Degree Days 17 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 62    
Maximum Humidity 87    
Minimum Humidity 33    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 7 mph (NNW)    
Max Wind Speed 15 mph    
Max Gust Speed 23 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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Astronomy

Aug. 05, 2013 Rise Set
Actual Time 5:47 AM EDT 8:00 PM EDT
Civil Twilight 5:16 AM EDT 8:30 PM EDT
Nautical Twilight 4:39 AM EDT 9:08 PM EDT
Astronomical Twilight 3:57 AM EDT 9:49 PM EDT
Moon 4:40 AM EDT (8/5) 6:58 PM EDT (8/5)
Length of Visible Light 15h 13m
Length of Day
14h 12m
Waning Crescent, 1% of the Moon is Illuminated
Aug 5
Waning Crescent
Aug 6
New
Aug 14
First Quarter
Aug 20
Full
Aug 28
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 62.1 °F 55.0 °F 78% 29.91 in 10.0 mi NNW 10.4 mph - N/A   Clear
1:56 AM 59.0 °F 54.0 °F 83% 29.92 in 10.0 mi NNW 4.6 mph - N/A   Clear
2:56 AM 59.0 °F 54.0 °F 83% 29.92 in 10.0 mi NNW 6.9 mph - N/A   Clear
3:56 AM 59.0 °F 54.0 °F 83% 29.94 in 10.0 mi North 4.6 mph - N/A   Clear
4:56 AM 57.9 °F 53.1 °F 84% 29.95 in 10.0 mi NNW 5.8 mph - N/A   Clear
5:56 AM 57.0 °F 53.1 °F 87% 29.97 in 10.0 mi NNW 3.5 mph - N/A   Clear
6:56 AM 61.0 °F 55.0 °F 81% 29.98 in 10.0 mi Calm Calm - N/A   Clear
7:56 AM 64.0 °F 55.0 °F 73% 30.00 in 10.0 mi NNW 8.1 mph - N/A   Clear
8:56 AM 66.9 °F 54.0 °F 63% 30.00 in 10.0 mi NW 13.8 mph 17.3 mph N/A   Clear
9:56 AM 69.1 °F 51.1 °F 53% 29.99 in 10.0 mi NW 12.7 mph 20.7 mph N/A   Clear
10:56 AM 71.1 °F 51.1 °F 49% 29.99 in 10.0 mi NNW 11.5 mph - N/A   Partly Cloudy
11:56 AM 72.0 °F 45.0 °F 38% 30.00 in 10.0 mi NNW 15.0 mph 21.9 mph N/A   Clear
12:56 PM 73.9 °F 45.0 °F 35% 29.99 in 10.0 mi NNW 15.0 mph 23.0 mph N/A   Clear
1:56 PM 75.0 °F 46.0 °F 36% 29.98 in 10.0 mi NNW 11.5 mph 23.0 mph N/A   Clear
2:56 PM 77.0 °F 46.9 °F 34% 29.96 in 10.0 mi NNW 12.7 mph - N/A   Clear
3:56 PM 77.0 °F 46.0 °F 33% 29.96 in 10.0 mi NW 11.5 mph - N/A   Clear
4:56 PM 77.0 °F 46.9 °F 34% 29.97 in 10.0 mi North 5.8 mph - N/A   Clear
5:56 PM 77.0 °F 48.0 °F 36% 29.97 in 10.0 mi NNW 6.9 mph - N/A   Clear
6:56 PM 73.9 °F 48.9 °F 41% 29.99 in 10.0 mi NW 4.6 mph - N/A   Clear
7:56 PM 68.0 °F 55.0 °F 63% 30.01 in 10.0 mi Calm Calm - N/A   Clear
8:56 PM 63.0 °F 54.0 °F 72% 30.03 in 10.0 mi Calm Calm - N/A   Clear
9:56 PM 60.1 °F 54.0 °F 80% 30.04 in 10.0 mi NNE 3.5 mph - N/A   Clear
10:56 PM 61.0 °F 55.9 °F 83% 30.04 in 10.0 mi Calm Calm - N/A   Clear
11:56 PM 60.1 °F 55.0 °F 83% 30.05 in 10.0 mi Calm Calm - N/A   Clear