Weather History for Groton, CT

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Tuesday, December 4, 2012

  Actual Average Record
Temperature  
Mean Temperature 44 °F -  
Max Temperature 55 °F 45 °F 66 °F (1998)
Min Temperature 33 °F 27 °F 6 °F (1989)
Degree Days  
Heating Degree Days 21    
Moisture  
Dew Point 48 °F    
Average Humidity 97    
Maximum Humidity 100    
Minimum Humidity 86    
Precipitation  
Precipitation 0.04 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.19 in    
Wind  
Wind Speed 4 mph (SSE)    
Max Wind Speed 12 mph    
Max Gust Speed 17 mph    
Visibility 4 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

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Date:

Astronomy

Dec. 04, 2012 Rise Set
Actual Time 6:58 AM EST 4:18 PM EST
Civil Twilight 6:27 AM EST 4:49 PM EST
Nautical Twilight 5:52 AM EST 5:24 PM EST
Astronomical Twilight 5:19 AM EST 5:57 PM EST
Moon 10:05 PM EST (12/4) 10:48 AM EST (12/4)
Length of Visible Light 10h 22m
Length of Day
9h 20m
Waning Gibbous, 69% of the Moon is Illuminated
Dec 4
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 20
First Quarter
Dec 28
Full

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 34.0 °F - 32.0 °F 92% 30.28 in 4.0 mi Calm Calm - N/A   Clear
1:56 AM 36.0 °F 33.3 °F 34.0 °F 93% 30.29 in 6.0 mi NE 3.5 mph - N/A   Clear
2:56 AM 33.1 °F 30.0 °F 32.0 °F 96% 30.28 in 5.0 mi North 3.5 mph - N/A   Clear
3:56 AM 33.1 °F 30.0 °F 33.1 °F 100% 30.28 in 5.0 mi NNE 3.5 mph - N/A   Clear
4:56 AM 35.1 °F 31.0 °F 34.0 °F 96% 30.29 in 5.0 mi NNE 4.6 mph - N/A   Clear
5:56 AM 35.1 °F - 35.1 °F 100% 30.30 in 5.0 mi Calm Calm - N/A   Scattered Clouds
6:56 AM 35.1 °F 32.2 °F 34.0 °F 96% 30.30 in 3.0 mi North 3.5 mph - N/A   Overcast
7:56 AM 39.9 °F - 39.0 °F 97% 30.30 in 4.0 mi Calm Calm - N/A   Overcast
8:56 AM 42.1 °F 40.2 °F 39.9 °F 92% 30.31 in 4.0 mi NNE 3.5 mph - N/A   Overcast
9:56 AM 48.0 °F - 44.1 °F 86% 30.31 in 6.0 mi Variable 3.5 mph - N/A   Overcast
10:51 AM 48.2 °F - 46.4 °F 93% 30.29 in 2.5 mi Calm Calm - 0.00 in Rain Light Rain
10:56 AM 48.9 °F - 46.0 °F 90% 30.29 in 3.0 mi Calm Calm - 0.00 in   Overcast
11:56 AM 51.1 °F - 50.0 °F 96% 30.26 in 4.0 mi Calm Calm - 0.00 in Rain Light Rain
12:10 PM 51.8 °F - 50.0 °F 94% 30.26 in 2.5 mi SE 4.6 mph - 0.03 in Rain Rain
12:47 PM 51.8 °F - 51.8 °F 100% 30.24 in 2.5 mi SSE 8.1 mph - 0.04 in Rain Light Rain
12:56 PM 52.0 °F - 51.1 °F 97% 30.23 in 3.0 mi SSE 8.1 mph - 0.04 in   Overcast
1:56 PM 54.0 °F - 53.1 °F 97% 30.21 in 4.0 mi SE 6.9 mph - 0.00 in   Overcast
2:56 PM 54.0 °F - 53.1 °F 97% 30.19 in 5.0 mi SSE 6.9 mph - N/A   Mostly Cloudy
3:37 PM 53.6 °F - 51.8 °F 94% 30.18 in 3.0 mi SSE 8.1 mph - N/A   Overcast
3:56 PM 54.0 °F - 53.1 °F 97% 30.18 in 4.0 mi South 8.1 mph - N/A   Overcast
4:56 PM 53.1 °F - 52.0 °F 96% 30.17 in 3.0 mi South 8.1 mph - N/A   Overcast
5:22 PM 51.8 °F - 51.8 °F 100% 30.17 in 2.5 mi SSE 6.9 mph - N/A   Overcast
5:56 PM 53.1 °F - 53.1 °F 100% 30.16 in 2.5 mi SSE 6.9 mph - N/A   Overcast
6:43 PM 53.6 °F - 53.6 °F 100% 30.15 in 2.5 mi SSE 4.6 mph - N/A   Overcast
6:56 PM 53.1 °F - 53.1 °F 100% 30.14 in 2.0 mi SSE 5.8 mph - N/A   Overcast
7:56 PM 55.0 °F - 54.0 °F 96% 30.12 in 3.0 mi SSW 6.9 mph - N/A   Overcast
8:07 PM 53.6 °F - 53.6 °F 100% 30.12 in 3.0 mi South 4.6 mph - N/A   Overcast
8:18 PM 53.6 °F - 53.6 °F 100% 30.11 in 2.5 mi South 3.5 mph - N/A   Overcast
8:25 PM 53.6 °F - 53.6 °F 100% 30.11 in 2.5 mi South 4.6 mph - N/A   Overcast
8:35 PM 53.6 °F - 53.6 °F 100% 30.10 in 2.5 mi SSE 4.6 mph - N/A   Overcast
8:56 PM 53.1 °F - 53.1 °F 100% 30.09 in 2.0 mi SSE 6.9 mph - N/A   Overcast
9:33 PM 55.4 °F - 55.4 °F 100% 30.08 in 4.0 mi South 5.8 mph - N/A   Overcast
9:56 PM 55.9 °F - 55.0 °F 97% 30.06 in 5.0 mi South 11.5 mph 17.3 mph N/A   Mostly Cloudy
10:56 PM 55.9 °F - 55.0 °F 97% 30.05 in 4.0 mi SSW 3.5 mph - N/A   Overcast
11:39 PM 55.4 °F - 53.6 °F 94% 30.02 in 4.0 mi SW 9.2 mph - N/A   Scattered Clouds
11:56 PM 55.0 °F - 54.0 °F 96% 30.02 in 4.0 mi SW 8.1 mph - N/A   Clear