Weather History for Groton, CT

Change the Weather History Date:

Friday, February 17, 2012

  Actual Average Record
Temperature  
Mean Temperature 41 °F -  
Max Temperature 52 °F 38 °F 63 °F (1976)
Min Temperature 30 °F 21 °F -2 °F (1979)
Degree Days  
Heating Degree Days 24    
Moisture  
Dew Point 38 °F    
Average Humidity 84    
Maximum Humidity 100    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.96 in    
Wind  
Wind Speed 6 mph (WSW)    
Max Wind Speed 13 mph    
Max Gust Speed 20 mph    
Visibility 6 miles    
Events Rain    
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Feb. 17, 2012 Rise Set
Actual Time 6:41 AM EST 5:23 PM EST
Civil Twilight 6:12 AM EST 5:52 PM EST
Nautical Twilight 5:40 AM EST 6:24 PM EST
Astronomical Twilight 5:08 AM EST 6:56 PM EST
Moon 3:32 AM EST (2/17) 1:11 PM EST (2/17)
Length of Visible Light 11h 39m
Length of Day
10h 42m
Waning Crescent, 19% of the Moon is Illuminated
Feb 17
Waning Crescent
Feb 21
New
Feb 29
First Quarter
Mar 8
Full
Mar 14
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 43.0 °F 37.7 °F 41.0 °F 93% 30.04 in 9.0 mi South 9.2 mph - 0.00 in   Overcast
1:34 AM 42.8 °F 38.0 °F 41.0 °F 93% 30.03 in 9.0 mi South 8.1 mph - N/A   Overcast
1:52 AM 42.8 °F 38.6 °F 42.8 °F 100% 30.02 in 9.0 mi South 6.9 mph - N/A   Overcast
1:56 AM 43.0 °F 38.8 °F 42.1 °F 97% 30.02 in 8.0 mi South 6.9 mph - N/A   Overcast
2:09 AM 42.8 °F 39.3 °F 42.8 °F 100% 30.01 in 7.0 mi South 5.8 mph - N/A   Overcast
2:16 AM 42.8 °F 38.6 °F 42.8 °F 100% 30.00 in 7.0 mi South 6.9 mph - N/A   Overcast
2:56 AM 43.0 °F 38.8 °F 42.1 °F 97% 30.00 in 7.0 mi South 6.9 mph - N/A   Overcast
3:15 AM 42.8 °F 39.3 °F 42.8 °F 100% 29.99 in 2.5 mi South 5.8 mph - N/A   Overcast
3:23 AM 42.8 °F 39.3 °F 42.8 °F 100% 30.00 in 2.5 mi South 5.8 mph - N/A   Overcast
3:42 AM 42.8 °F 40.1 °F 42.8 °F 100% 29.99 in 3.0 mi South 4.6 mph - N/A   Overcast
3:56 AM 43.0 °F 40.3 °F 42.1 °F 97% 30.00 in 5.0 mi South 4.6 mph - N/A   Overcast
4:56 AM 42.8 °F 41.1 °F 42.8 °F 100% 29.98 in 5.0 mi South 3.5 mph - N/A   Overcast
5:23 AM 42.8 °F - 42.8 °F 100% 29.97 in 4.0 mi Calm Calm - N/A   Overcast
5:51 AM 42.8 °F 40.1 °F 42.8 °F 100% 29.96 in 2.5 mi South 4.6 mph - N/A   Overcast
5:56 AM 43.0 °F 40.3 °F 43.0 °F 100% 29.96 in 3.0 mi South 4.6 mph - N/A   Overcast
6:13 AM 42.8 °F 41.1 °F 42.8 °F 100% 29.97 in 3.0 mi SSW 3.5 mph - N/A   Overcast
6:21 AM 42.8 °F 41.1 °F 42.8 °F 100% 29.97 in 2.5 mi SW 3.5 mph - 0.00 in Rain Light Rain
6:56 AM 43.0 °F - 43.0 °F 100% 29.98 in 1.5 mi Calm Calm - 0.00 in   Overcast
7:13 AM 42.8 °F - 42.8 °F 100% 29.98 in 2.0 mi Calm Calm - 0.00 in Rain Light Rain
7:15 AM 42.8 °F - 42.8 °F 100% 29.98 in 1.8 mi Calm Calm - 0.00 in Rain Light Rain
7:53 AM 44.6 °F - 42.8 °F 93% 29.98 in 1.2 mi Calm Calm - 0.00 in   Overcast
7:56 AM 44.1 °F - 43.0 °F 96% 29.98 in 1.2 mi Calm Calm - 0.00 in   Overcast
8:12 AM 44.6 °F 42.2 °F 42.8 °F 93% 29.99 in 3.0 mi West 4.6 mph - N/A   Overcast
8:27 AM 44.6 °F 42.2 °F 44.6 °F 100% 29.98 in 2.0 mi West 4.6 mph - N/A   Overcast
8:29 AM 44.6 °F 42.2 °F 44.6 °F 100% 29.98 in 1.8 mi West 4.6 mph - N/A   Overcast
8:39 AM 44.6 °F 42.2 °F 44.6 °F 100% 29.98 in 2.0 mi West 4.6 mph - N/A   Overcast
8:56 AM 44.1 °F 41.5 °F 44.1 °F 100% 29.98 in 4.0 mi West 4.6 mph - N/A   Overcast
9:56 AM 45.0 °F 41.2 °F 44.1 °F 97% 29.97 in 3.0 mi West 6.9 mph - 0.00 in   Overcast
10:29 AM 46.4 °F 42.9 °F 42.8 °F 87% 29.96 in 10.0 mi WNW 6.9 mph - N/A   Overcast
10:56 AM 48.0 °F - 43.0 °F 83% 29.95 in 7.0 mi NNW 8.1 mph - N/A   Overcast
11:35 AM 50.0 °F - 41.0 °F 71% 29.93 in 10.0 mi NW 11.5 mph - N/A   Mostly Cloudy
11:56 AM 48.9 °F - 39.0 °F 69% 29.92 in 10.0 mi NW 11.5 mph - N/A   Mostly Cloudy
12:56 PM 52.0 °F - 37.9 °F 59% 29.88 in 10.0 mi NW 11.5 mph - N/A   Overcast
1:56 PM 50.0 °F - 34.0 °F 54% 29.87 in 10.0 mi NW 10.4 mph - N/A   Mostly Cloudy
2:56 PM 52.0 °F - 30.0 °F 43% 29.86 in 10.0 mi NW 12.7 mph - N/A   Scattered Clouds
3:56 PM 48.9 °F - 28.0 °F 44% 29.87 in 10.0 mi WNW 10.4 mph - N/A   Mostly Cloudy
4:56 PM 48.9 °F - 25.0 °F 39% 29.88 in 10.0 mi NW 12.7 mph 19.6 mph N/A   Overcast
5:56 PM 45.0 °F 40.1 °F 24.1 °F 44% 29.91 in 10.0 mi NNW 9.2 mph - N/A   Mostly Cloudy
6:56 PM 43.0 °F 37.7 °F 21.0 °F 42% 29.93 in 10.0 mi NNW 9.2 mph - N/A   Mostly Cloudy
7:56 PM 39.9 °F 36.7 °F 19.9 °F 45% 29.94 in 10.0 mi NW 4.6 mph - N/A   Partly Cloudy
8:56 PM 35.1 °F 32.2 °F 25.0 °F 67% 29.96 in 10.0 mi West 3.5 mph - N/A   Clear
9:56 PM 37.9 °F 34.4 °F 19.9 °F 48% 29.96 in 10.0 mi West 4.6 mph - N/A   Clear
10:56 PM 30.9 °F 27.5 °F 25.0 °F 79% 29.95 in 10.0 mi West 3.5 mph - N/A   Clear
11:56 PM 33.1 °F 27.7 °F 21.9 °F 64% 29.96 in 10.0 mi WNW 5.8 mph - N/A   Clear