Weather History for Groton, CT

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Tuesday, September 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 54 °F -  
Max Temperature 64 °F 72 °F 89 °F (1991)
Min Temperature 43 °F 53 °F 38 °F (1960)
Degree Days  
Heating Degree Days 12    
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 39 °F    
Average Humidity 62    
Maximum Humidity 93    
Minimum Humidity 38    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.35 in    
Wind  
Wind Speed 11 mph (North)    
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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Date:

Astronomy

Sep. 17, 2013 Rise Set
Actual Time 6:30 AM EDT 6:53 PM EDT
Civil Twilight 6:03 AM EDT 7:21 PM EDT
Nautical Twilight 5:30 AM EDT 7:53 PM EDT
Astronomical Twilight 4:57 AM EDT 8:27 PM EDT
Moon 5:39 PM EDT (9/17) 4:21 AM EDT (9/17)
Length of Visible Light 13h 18m
Length of Day
12h 22m
Waxing Gibbous, 96% of the Moon is Illuminated
Sep 17
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 50.0 °F - 37.0 °F 61% 30.25 in 10.0 mi North 15.0 mph 23.0 mph N/A   Clear
1:56 AM 48.0 °F - 37.0 °F 66% 30.26 in 10.0 mi North 15.0 mph - N/A   Clear
2:56 AM 46.9 °F - 36.0 °F 66% 30.28 in 10.0 mi North 15.0 mph - N/A   Clear
3:56 AM 46.0 °F 40.2 °F 36.0 °F 68% 30.29 in 10.0 mi North 12.7 mph - N/A   Clear
4:56 AM 45.0 °F 38.5 °F 36.0 °F 71% 30.31 in 10.0 mi North 13.8 mph - N/A   Clear
5:56 AM 44.1 °F 37.4 °F 36.0 °F 73% 30.32 in 10.0 mi North 13.8 mph - N/A   Clear
6:56 AM 43.0 °F 37.2 °F 36.0 °F 76% 30.36 in 10.0 mi North 10.4 mph - N/A   Clear
7:56 AM 46.9 °F - 37.0 °F 68% 30.37 in 10.0 mi NNE 12.7 mph - N/A   Clear
8:56 AM 51.1 °F - 37.0 °F 59% 30.39 in 10.0 mi North 12.7 mph - N/A   Clear
9:56 AM 55.0 °F - 37.9 °F 53% 30.41 in 10.0 mi North 15.0 mph 20.7 mph N/A   Clear
10:56 AM 57.9 °F - 35.1 °F 42% 30.41 in 10.0 mi NE 13.8 mph 19.6 mph N/A   Clear
11:56 AM 59.0 °F - 37.0 °F 44% 30.41 in 10.0 mi NE 6.9 mph 18.4 mph N/A   Clear
12:56 PM 61.0 °F - 37.9 °F 42% 30.39 in 10.0 mi NNE 11.5 mph - N/A   Clear
1:56 PM 62.1 °F - 37.0 °F 39% 30.37 in 10.0 mi North 8.1 mph 17.3 mph N/A   Clear
2:56 PM 64.0 °F - 37.9 °F 38% 30.36 in 10.0 mi North 11.5 mph - N/A   Clear
3:56 PM 63.0 °F - 37.9 °F 40% 30.35 in 10.0 mi NNW 5.8 mph - N/A   Clear
4:56 PM 64.0 °F - 37.9 °F 38% 30.34 in 10.0 mi NNE 6.9 mph - N/A   Clear
5:56 PM 62.1 °F - 37.9 °F 41% 30.35 in 10.0 mi NNE 5.8 mph - N/A   Clear
6:56 PM 55.0 °F - 44.1 °F 67% 30.35 in 10.0 mi Calm Calm - N/A   Clear
7:56 PM 50.0 °F - 45.0 °F 83% 30.35 in 10.0 mi Calm Calm - N/A   Clear
8:56 PM 48.9 °F - 44.1 °F 83% 30.35 in 10.0 mi Calm Calm - N/A   Clear
9:56 PM 46.0 °F 44.8 °F 44.1 °F 93% 30.35 in 10.0 mi NNW 3.5 mph - N/A   Clear
10:56 PM 46.0 °F - 44.1 °F 93% 30.35 in 10.0 mi Calm Calm - N/A   Clear
11:56 PM 46.0 °F 44.8 °F 43.0 °F 89% 30.35 in 10.0 mi North 3.5 mph - N/A   Clear