Weather History for Groton, CT

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Sunday, September 16, 2012

  Actual Average Record
Temperature  
Mean Temperature 62 °F -  
Max Temperature 73 °F 73 °F 87 °F (1991)
Min Temperature 51 °F 53 °F 37 °F (1964)
Degree Days  
Heating Degree Days 4    
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 65    
Maximum Humidity 90    
Minimum Humidity 38    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.06 in    
Wind  
Wind Speed 5 mph (NW)    
Max Wind Speed 15 mph    
Max Gust Speed 20 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. 16, 2012 Rise Set
Actual Time 6:30 AM EDT 6:54 PM EDT
Civil Twilight 6:02 AM EDT 7:22 PM EDT
Nautical Twilight 5:29 AM EDT 7:55 PM EDT
Astronomical Twilight 4:56 AM EDT 8:28 PM EDT
Moon 7:06 AM EDT (9/16) 6:56 PM EDT (9/16)
Length of Visible Light 13h 20m
Length of Day
12h 24m
New Moon, 0% of the Moon is Illuminated
Sep 16
New Moon
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
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 54.0 °F 46.9 °F 77% 30.08 in 10.0 mi Calm Calm - N/A   Clear
1:56 AM 54.0 °F 46.9 °F 77% 30.08 in 10.0 mi Calm Calm - N/A   Clear
2:56 AM 53.1 °F 46.0 °F 77% 30.06 in 10.0 mi NNW 5.8 mph - N/A   Clear
3:56 AM 53.1 °F 46.0 °F 77% 30.06 in 10.0 mi North 4.6 mph - N/A   Clear
4:56 AM 51.1 °F 46.9 °F 86% 30.07 in 10.0 mi North 4.6 mph - N/A   Clear
5:56 AM 53.1 °F 46.0 °F 77% 30.08 in 10.0 mi NNW 9.2 mph - N/A   Clear
6:56 AM 53.1 °F 46.9 °F 80% 30.10 in 10.0 mi North 3.5 mph - N/A   Clear
7:56 AM 57.9 °F 48.9 °F 72% 30.10 in 10.0 mi North 4.6 mph - N/A   Clear
8:56 AM 63.0 °F 50.0 °F 63% 30.10 in 10.0 mi NNW 9.2 mph - N/A   Clear
9:56 AM 66.9 °F 50.0 °F 54% 30.10 in 10.0 mi WNW 8.1 mph - N/A   Clear
10:56 AM 68.0 °F 46.0 °F 45% 30.09 in 10.0 mi WNW 10.4 mph - N/A   Clear
11:56 AM 68.0 °F 46.9 °F 47% 30.07 in 10.0 mi NW 6.9 mph - N/A   Scattered Clouds
12:56 PM 71.1 °F 46.9 °F 42% 30.06 in 10.0 mi WNW 15.0 mph 19.6 mph N/A   Scattered Clouds
1:56 PM 72.0 °F 45.0 °F 38% 30.04 in 10.0 mi WNW 11.5 mph 17.3 mph N/A   Scattered Clouds
2:56 PM 71.1 °F 44.1 °F 38% 30.03 in 10.0 mi WNW 9.2 mph - N/A   Scattered Clouds
3:56 PM 72.0 °F 45.0 °F 38% 30.01 in 10.0 mi West 9.2 mph 18.4 mph N/A   Clear
4:56 PM 69.1 °F 53.1 °F 57% 30.01 in 10.0 mi SW 11.5 mph 18.4 mph N/A   Scattered Clouds
5:56 PM 70.0 °F 46.9 °F 44% 30.01 in 10.0 mi West 6.9 mph - N/A   Clear
6:56 PM 66.2 °F 46.4 °F 49% 30.02 in 10.0 mi West 4.6 mph - N/A   Clear
7:56 PM 61.0 °F 48.9 °F 64% 30.03 in 10.0 mi WNW 5.8 mph - N/A   Clear
8:56 PM 57.9 °F 52.0 °F 81% 30.04 in 10.0 mi Calm Calm - N/A   Clear
9:56 PM 54.0 °F 51.1 °F 90% 30.05 in 10.0 mi Calm Calm - N/A   Clear
10:56 PM 52.0 °F 48.9 °F 89% 30.05 in 10.0 mi North 3.5 mph - N/A   Clear
11:56 PM 52.0 °F 48.9 °F 89% 30.05 in 10.0 mi North 3.5 mph - N/A   Clear