Weather History for Groton, CT

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Thursday, July 31, 2014

  Actual Average Record
Temperature  
Mean Temperature 66 °F -  
Max Temperature 77 °F 79 °F 90 °F (1988)
Min Temperature 57 °F 62 °F 52 °F (1964)
Cooling Degree Days 1    
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 63 °F    
Average Humidity 84    
Maximum Humidity 100    
Minimum Humidity 64    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.11 in    
Wind  
Wind Speed 4 mph (South)    
Max Wind Speed 14 mph    
Max Gust Speed -    
Visibility 9 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

Jul. 31, 2014 Rise Set
Actual Time 5:42 AM EDT 8:06 PM EDT
Civil Twilight 5:11 AM EDT 8:37 PM EDT
Nautical Twilight 4:32 AM EDT 9:15 PM EDT
Astronomical Twilight 3:49 AM EDT 9:58 PM EDT
Moon 10:10 AM EDT (7/31) 10:13 PM EDT (7/31)
Length of Visible Light 15h 26m
Length of Day
14h 23m
Waxing Crescent, 19% of the Moon is Illuminated
Jul 31
Waxing Crescent
Aug 3
First Quarter
Aug 10
Full
Aug 17
Last Quarter
Aug 25
New

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 60.1 °F 59.0 °F 96% 30.06 in 10.0 mi Calm Calm - N/A   Clear
1:56 AM 60.1 °F 59.0 °F 96% 30.06 in 10.0 mi Calm Calm - N/A   Clear
2:56 AM 60.1 °F 59.0 °F 96% 30.06 in 10.0 mi NE 3.5 mph - N/A   Clear
3:56 AM 57.9 °F 57.9 °F 100% 30.07 in 10.0 mi Calm Calm - N/A   Clear
4:56 AM 57.9 °F 57.9 °F 100% 30.07 in 8.0 mi Calm Calm - N/A   Clear
5:56 AM 57.9 °F 57.9 °F 100% 30.08 in 8.0 mi Calm Calm - N/A   Clear
6:56 AM 62.1 °F 61.0 °F 96% 30.10 in 9.0 mi Calm Calm - N/A   Clear
7:56 AM 69.1 °F 66.0 °F 90% 30.10 in 9.0 mi South 4.6 mph - 0.00 in   Clear
8:56 AM 71.1 °F 66.9 °F 87% 30.10 in 8.0 mi South 5.8 mph - N/A   Clear
9:56 AM 73.0 °F 66.0 °F 79% 30.10 in 9.0 mi SSW 8.1 mph - N/A   Clear
10:56 AM 73.9 °F 64.9 °F 73% 30.12 in 9.0 mi SSW 9.2 mph - N/A   Partly Cloudy
11:56 AM 73.9 °F 64.9 °F 73% 30.11 in 9.0 mi South 8.1 mph - N/A   Clear
12:56 PM 75.0 °F 62.1 °F 64% 30.12 in 9.0 mi South 8.1 mph - N/A   Clear
1:56 PM 75.9 °F 63.0 °F 64% 30.11 in 9.0 mi South 9.2 mph - N/A   Clear
2:56 PM 73.9 °F 64.0 °F 71% 30.11 in 10.0 mi South 10.4 mph - N/A   Clear
3:56 PM 75.0 °F 64.0 °F 69% 30.11 in 9.0 mi South 13.8 mph - N/A   Clear
4:56 PM 73.0 °F 64.9 °F 76% 30.11 in 9.0 mi South 12.7 mph - N/A   Clear
5:56 PM 73.0 °F 64.9 °F 76% 30.11 in 9.0 mi South 11.5 mph - N/A   Clear
6:56 PM 71.1 °F 66.0 °F 84% 30.13 in 9.0 mi SSE 5.8 mph - N/A   Clear
7:56 PM 70.0 °F 64.9 °F 84% 30.14 in 8.0 mi South 6.9 mph - N/A   Clear
8:56 PM 69.8 °F 64.4 °F 83% 30.16 in 10.0 mi SSW 5.8 mph - N/A   Clear
9:56 PM 69.8 °F 64.4 °F 83% 30.17 in 10.0 mi South 5.8 mph - N/A   Clear
10:56 PM 68.0 °F 64.9 °F 90% 30.17 in 10.0 mi SSE 5.8 mph - N/A   Clear
11:56 PM 68.0 °F 64.9 °F 90% 30.17 in 10.0 mi SSE 6.9 mph - N/A   Clear