Weather History for Groton, CT

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Monday, September 2, 2013

  Actual Average Record
Temperature  
Mean Temperature 73 °F -  
Max Temperature 75 °F 77 °F 90 °F (1966)
Min Temperature 71 °F 58 °F 45 °F (1970)
Cooling Degree Days 8    
Growing Degree Days 23 (Base 50)    
Moisture  
Dew Point 72 °F    
Average Humidity 98    
Maximum Humidity 100    
Minimum Humidity 88    
Precipitation  
Precipitation 0.41 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.79 in    
Wind  
Wind Speed 5 mph (SSE)    
Max Wind Speed 9 mph    
Max Gust Speed -    
Visibility 2 miles    
Events Fog , Rain , Thunderstorm    
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. 02, 2013 Rise Set
Actual Time 6:15 AM EDT 7:19 PM EDT
Civil Twilight 5:47 AM EDT 7:47 PM EDT
Nautical Twilight 5:13 AM EDT 8:20 PM EDT
Astronomical Twilight 4:38 AM EDT 8:56 PM EDT
Moon 3:28 AM EDT (9/2) 5:31 PM EDT (9/2)
Length of Visible Light 13h 59m
Length of Day
13h 03m
Waning Crescent, 8% of the Moon is Illuminated
Sep 2
Waning Crescent
Sep 5
New
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:22 AM 71.6 °F 71.6 °F 100% 29.85 in 1.0 mi SSE 5.8 mph - N/A   Overcast
12:39 AM 71.6 °F 71.6 °F 100% 29.85 in 3.0 mi SSE 3.5 mph - N/A   Overcast
12:56 AM 72.0 °F 72.0 °F 100% 29.85 in 6.0 mi SE 4.6 mph - N/A   Overcast
1:21 AM 73.4 °F 71.6 °F 94% 29.84 in 7.0 mi SSE 3.5 mph - N/A   Overcast
1:56 AM 72.0 °F 71.1 °F 97% 29.84 in 6.0 mi Calm Calm - N/A   Overcast
2:21 AM 71.6 °F 71.6 °F 100% 29.83 in 6.0 mi Calm Calm - N/A   Overcast
2:56 AM 73.0 °F 71.1 °F 93% 29.82 in 7.0 mi SSE 5.8 mph - N/A   Overcast
3:15 AM 71.6 °F 71.6 °F 100% 29.82 in 3.0 mi SE 3.5 mph - 0.05 in Rain Heavy Rain
3:18 AM 71.6 °F 71.6 °F 100% 29.82 in 3.0 mi Calm Calm - 0.05 in Rain , Thunderstorm Heavy Thunderstorms and Rain
3:27 AM 71.6 °F 71.6 °F 100% 29.82 in 6.0 mi SSE 4.6 mph - 0.05 in Rain , Thunderstorm Light Thunderstorms and Rain
3:56 AM 72.0 °F 72.0 °F 100% 29.81 in 6.0 mi SE 5.8 mph - 0.05 in Rain , Thunderstorm Light Rain
4:06 AM 71.6 °F 71.6 °F 100% 29.81 in 6.0 mi SE 5.8 mph - 0.00 in Thunderstorm Overcast
4:33 AM 73.4 °F 71.6 °F 94% 29.81 in 6.0 mi SE 5.8 mph - 0.00 in   Overcast
4:56 AM 73.0 °F 72.0 °F 96% 29.81 in 4.0 mi ESE 8.1 mph - 0.00 in   Overcast
5:07 AM 71.6 °F 71.6 °F 100% 29.81 in 2.5 mi SSE 4.6 mph - N/A   Overcast
5:21 AM 71.6 °F 71.6 °F 100% 29.81 in 1.0 mi SSE 6.9 mph - N/A   Overcast
5:30 AM 71.6 °F 71.6 °F 100% 29.81 in 0.8 mi SSE 4.6 mph - N/A   Overcast
5:41 AM 71.6 °F 71.6 °F 100% 29.81 in 1.0 mi SE 3.5 mph - N/A   Mist
5:56 AM 72.0 °F 72.0 °F 100% 29.81 in 0.8 mi ESE 4.6 mph - N/A   Mist
6:42 AM 71.6 °F 71.6 °F 100% 29.82 in 0.5 mi ESE 4.6 mph - N/A Fog , Thunderstorm Unknown
6:56 AM 72.0 °F 72.0 °F 100% 29.82 in 0.5 mi SE 5.8 mph - N/A Fog Fog
7:19 AM 71.6 °F 71.6 °F 100% 29.82 in 0.2 mi ESE 6.9 mph - N/A Fog Fog
7:28 AM 71.6 °F 71.6 °F 100% 29.82 in 0.5 mi ESE 5.8 mph - N/A Fog Fog
7:56 AM 72.0 °F 72.0 °F 100% 29.82 in 1.2 mi SE 6.9 mph - N/A   Overcast
8:19 AM 71.6 °F 71.6 °F 100% 29.81 in 0.5 mi SE 6.9 mph - N/A Fog Fog
8:56 AM 73.0 °F 73.0 °F 100% 29.80 in 0.5 mi ESE 8.1 mph - N/A Fog Fog
9:00 AM 73.4 °F 73.4 °F 100% 29.80 in 0.2 mi ESE 8.1 mph - N/A Fog Fog
9:21 AM 73.4 °F 73.4 °F 100% 29.81 in 0.2 mi SE 6.9 mph - N/A Fog Fog
9:53 AM 73.4 °F 73.4 °F 100% 29.81 in 0.8 mi SSE 8.1 mph - N/A   Mist
9:56 AM 73.9 °F 73.0 °F 97% 29.81 in 0.8 mi SSE 8.1 mph - N/A   Overcast
10:18 AM 73.4 °F 73.4 °F 100% 29.82 in 0.2 mi SSE 6.9 mph - N/A Fog Fog
10:28 AM 73.4 °F 73.4 °F 100% 29.82 in 0.5 mi SSE 9.2 mph - N/A Fog Fog
10:52 AM 73.4 °F 73.4 °F 100% 29.82 in 0.2 mi SSE 4.6 mph - N/A Fog Fog
10:56 AM 73.0 °F 73.0 °F 100% 29.82 in 0.2 mi SSE 5.8 mph - N/A Fog Fog
11:28 AM 73.4 °F 73.4 °F 100% 29.81 in 0.5 mi SSE 4.6 mph - N/A Fog Fog
11:45 AM 73.4 °F 73.4 °F 100% 29.80 in 1.5 mi SSE 4.6 mph - 0.03 in Rain Rain
11:56 AM 73.0 °F 73.0 °F 100% 29.80 in 1.0 mi South 3.5 mph - 0.03 in   Overcast
12:51 PM 71.6 °F 69.8 °F 94% 29.79 in 1.5 mi ENE 5.8 mph - 0.16 in Rain Rain
12:56 PM 72.0 °F 70.0 °F 93% 29.79 in 2.0 mi ESE 5.8 mph - 0.16 in Rain Rain
1:09 PM 71.6 °F 69.8 °F 94% 29.79 in 1.0 mi Calm Calm - 0.08 in Rain Heavy Rain
1:18 PM 73.4 °F 71.6 °F 94% 29.79 in 1.5 mi Calm Calm - 0.11 in Rain Light Rain
1:39 PM 73.4 °F 71.6 °F 94% 29.78 in 2.5 mi SSE 8.1 mph - 0.13 in Rain Light Rain
1:46 PM 73.4 °F 71.6 °F 94% 29.79 in 3.0 mi SSE 8.1 mph - 0.13 in Rain Light Rain
1:56 PM 73.0 °F 71.1 °F 93% 29.79 in 2.5 mi South 5.8 mph - 0.15 in Rain Light Rain
2:04 PM 71.6 °F 69.8 °F 94% 29.78 in 1.5 mi Calm Calm - 0.02 in Rain Rain
2:10 PM 73.4 °F 69.8 °F 88% 29.78 in 3.0 mi ESE 3.5 mph - 0.02 in Rain Light Rain
2:20 PM 73.4 °F 71.6 °F 94% 29.78 in 5.0 mi Calm Calm - 0.02 in   Overcast
2:56 PM 73.9 °F 73.0 °F 97% 29.78 in 5.0 mi SE 4.6 mph - 0.02 in   Overcast
3:10 PM 75.2 °F 73.4 °F 94% 29.77 in 4.0 mi ESE 5.8 mph - N/A   Overcast
3:24 PM 75.2 °F 73.4 °F 94% 29.77 in 4.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
3:35 PM 75.2 °F 73.4 °F 94% 29.76 in 5.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
3:56 PM 75.0 °F 73.0 °F 94% 29.76 in 4.0 mi SE 8.1 mph - N/A   Overcast
4:13 PM 73.4 °F 73.4 °F 100% 29.75 in 3.0 mi SE 3.5 mph - N/A   Overcast
4:42 PM 73.4 °F 73.4 °F 100% 29.74 in 3.0 mi SSE 5.8 mph - N/A   Overcast
4:56 PM 73.9 °F 73.0 °F 97% 29.74 in 1.0 mi SSE 6.9 mph - N/A   Overcast
5:03 PM 73.4 °F 73.4 °F 100% 29.73 in 1.0 mi SSE 6.9 mph - N/A   Overcast
5:56 PM 73.0 °F 72.0 °F 96% 29.73 in 1.0 mi South 8.1 mph - N/A   Overcast
5:59 PM 73.4 °F 71.6 °F 94% 29.72 in 2.0 mi South 8.1 mph - N/A   Overcast
6:56 PM 73.0 °F 72.0 °F 96% 29.72 in 2.5 mi South 8.1 mph - N/A   Overcast
7:56 PM 73.0 °F 72.0 °F 96% 29.72 in 2.0 mi South 4.6 mph - N/A   Overcast
8:56 PM 72.0 °F 71.1 °F 97% 29.73 in 3.0 mi South 8.1 mph - N/A   Overcast
9:41 PM 71.6 °F 71.6 °F 100% 29.74 in 2.5 mi South 8.1 mph - N/A   Overcast
9:56 PM 72.0 °F 71.1 °F 97% 29.74 in 2.5 mi South 8.1 mph - N/A   Overcast
10:13 PM 71.6 °F 71.6 °F 100% 29.75 in 1.0 mi SSW 5.8 mph - N/A   Mist
10:56 PM 72.0 °F 72.0 °F 100% 29.75 in 2.5 mi SW 5.8 mph - N/A   Overcast
11:05 PM 71.6 °F 71.6 °F 100% 29.75 in 3.0 mi SW 5.8 mph - N/A   Overcast
11:44 PM 71.6 °F 71.6 °F 100% 29.75 in 3.0 mi Calm Calm - N/A   Overcast
11:56 PM 73.0 °F 72.0 °F 96% 29.75 in 3.0 mi Calm Calm - N/A   Overcast