Weather History for Groton, CT

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Monday, September 22, 2014

  Actual Average Record
Temperature  
Mean Temperature 63 °F -  
Max Temperature 75 °F 71 °F 87 °F (1970)
Min Temperature 51 °F 52 °F 33 °F (1962)
Degree Days  
Heating Degree Days 2    
Growing Degree Days 13 (Base 50)    
Moisture  
Dew Point 56 °F    
Average Humidity 73    
Maximum Humidity 100    
Minimum Humidity 42    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.77 in    
Wind  
Wind Speed 9 mph (WNW)    
Max Wind Speed 17 mph    
Max Gust Speed 24 mph    
Visibility 8 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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Date:

Astronomy

Sep. 22, 2014 Rise Set
Actual Time 6:35 AM EDT 6:45 PM EDT
Civil Twilight 6:08 AM EDT 7:12 PM EDT
Nautical Twilight 5:35 AM EDT 7:45 PM EDT
Astronomical Twilight 5:02 AM EDT 8:18 PM EDT
Moon 5:00 AM EDT (9/22) 5:52 PM EDT (9/22)
Length of Visible Light 13h 04m
Length of Day
12h 09m
Waning Crescent, 2% of the Moon is Illuminated
Sep 22
Waning Crescent
Sep 24
New
Oct 1
First Quarter
Oct 8
Full
Oct 15
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:17 AM 66.9 °F 66.9 °F 100% 29.59 in 0.8 mi SSW 3.5 mph - N/A   Mist
12:43 AM 68.0 °F 68.0 °F 100% 29.59 in 0.5 mi SSW 5.8 mph - N/A Fog Fog
12:56 AM 68.0 °F 68.0 °F 100% 29.59 in 0.5 mi WSW 5.8 mph - N/A Fog Fog
1:18 AM 68.0 °F 68.0 °F 100% 29.59 in 4.0 mi WSW 6.9 mph - N/A   Overcast
1:56 AM 68.0 °F 68.0 °F 100% 29.60 in 5.0 mi WSW 10.4 mph - N/A   Overcast
2:10 AM 68.0 °F 68.0 °F 100% 29.59 in 7.0 mi WSW 12.7 mph - N/A   Overcast
2:29 AM 68.0 °F 68.0 °F 100% 29.59 in 8.0 mi WSW 11.5 mph - N/A   Overcast
2:34 AM 68.0 °F 68.0 °F 100% 29.60 in 8.0 mi WSW 12.7 mph - N/A   Overcast
2:56 AM 68.0 °F 68.0 °F 100% 29.60 in 8.0 mi West 8.1 mph - N/A   Mostly Cloudy
3:56 AM 66.9 °F 64.0 °F 90% 29.60 in 10.0 mi WNW 5.8 mph - N/A   Clear
4:56 AM 64.0 °F 57.9 °F 80% 29.63 in 10.0 mi WNW 3.5 mph - N/A   Clear
5:56 AM 64.0 °F 63.0 °F 96% 29.66 in 9.0 mi West 8.1 mph - N/A   Clear
6:56 AM 63.0 °F 57.9 °F 84% 29.69 in 10.0 mi West 11.5 mph - N/A   Clear
7:56 AM 64.0 °F 57.0 °F 78% 29.73 in 10.0 mi West 9.2 mph - N/A   Clear
8:56 AM 66.0 °F 57.0 °F 73% 29.76 in 10.0 mi West 6.9 mph - N/A   Clear
9:56 AM 66.9 °F 55.0 °F 66% 29.79 in 10.0 mi West 11.5 mph - N/A   Clear
10:56 AM 71.1 °F 53.1 °F 53% 29.80 in 10.0 mi WNW 17.3 mph 21.9 mph N/A   Scattered Clouds
11:56 AM 71.1 °F 52.0 °F 51% 29.80 in 10.0 mi West 16.1 mph - N/A   Scattered Clouds
12:56 PM 73.0 °F 51.1 °F 46% 29.81 in 9.0 mi NW 16.1 mph 21.9 mph N/A   Mostly Cloudy
1:56 PM 73.9 °F 51.1 °F 45% 29.82 in 10.0 mi NW 16.1 mph - N/A   Partly Cloudy
2:56 PM 73.0 °F 48.9 °F 42% 29.84 in 10.0 mi WNW 17.3 mph 24.2 mph N/A   Clear
3:56 PM 71.1 °F 48.9 °F 45% 29.85 in 10.0 mi NW 12.7 mph 19.6 mph N/A   Partly Cloudy
4:56 PM 69.1 °F 48.0 °F 47% 29.87 in 10.0 mi WNW 11.5 mph 21.9 mph N/A   Clear
5:56 PM 68.0 °F 48.0 °F 49% 29.90 in 10.0 mi NW 8.1 mph - N/A   Partly Cloudy
6:56 PM 64.0 °F 48.0 °F 56% 29.94 in 10.0 mi NNW 11.5 mph - N/A   Clear
7:56 PM 61.0 °F 45.0 °F 56% 29.99 in 10.0 mi NNW 10.4 mph - N/A   Clear
8:56 PM 57.0 °F 43.0 °F 59% 30.04 in 10.0 mi NNW 15.0 mph 24.2 mph N/A   Clear
9:56 PM 54.0 °F 39.9 °F 59% 30.08 in 10.0 mi NNW 16.1 mph - N/A   Clear
10:56 PM 53.1 °F 39.9 °F 61% 30.11 in 10.0 mi NNW 13.8 mph - N/A   Clear
11:56 PM 51.1 °F 39.0 °F 63% 30.12 in 10.0 mi NW 8.1 mph - N/A   Clear