Weather History for Chatham, MA

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Saturday, December 3, 2011

  Actual Average Record
Temperature  
Mean Temperature 40 °F -  
Max Temperature 45 °F 44 °F 57 °F (2012)
Min Temperature 35 °F 32 °F 11 °F (1976)
Degree Days  
Heating Degree Days 25    
Moisture  
Dew Point 32 °F    
Average Humidity 70    
Maximum Humidity 89    
Minimum Humidity 58    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.59 in    
Wind  
Wind Speed 6 mph (North)    
Max Wind Speed 12 mph    
Max Gust Speed 18 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

Dec. 03, 2011 Rise Set
Actual Time 6:49 AM EST 4:09 PM EST
Civil Twilight 6:18 AM EST 4:41 PM EST
Nautical Twilight 5:43 AM EST 5:15 PM EST
Astronomical Twilight 5:10 AM EST 5:49 PM EST
Moon 12:17 PM EST (12/3) 12:09 AM EST (12/3)
Length of Visible Light 10h 22m
Length of Day
9h 20m
Waxing Gibbous, 62% of the Moon is Illuminated
Dec 3
Waxing Gibbous
Dec 10
Full
Dec 17
Last Quarter
Dec 24
New
Jan 1
First Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 43.0 °F 36.8 °F 30.0 °F 60% 30.43 in 10.0 mi NNW 11.5 mph 18.4 mph N/A   Clear
1:52 AM 43.0 °F 38.2 °F 32.0 °F 65% 30.46 in 10.0 mi NNW 8.1 mph - N/A   Scattered Clouds
2:04 AM 42.8 °F 38.6 °F 33.8 °F 70% 30.47 in 10.0 mi Variable 6.9 mph 17.3 mph N/A   Mostly Cloudy
2:21 AM 42.8 °F 39.3 °F 32.0 °F 66% 30.47 in 10.0 mi North 5.8 mph 18.4 mph N/A   Scattered Clouds
2:52 AM 42.1 °F 38.4 °F 32.0 °F 67% 30.47 in 10.0 mi North 5.8 mph - N/A   Clear
3:52 AM 42.1 °F 39.2 °F 30.9 °F 65% 30.50 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
4:52 AM 43.0 °F 39.5 °F 30.9 °F 62% 30.52 in 10.0 mi Variable 5.8 mph - N/A   Overcast
5:52 AM 42.1 °F 38.4 °F 30.9 °F 65% 30.54 in 10.0 mi Variable 5.8 mph - N/A   Clear
6:52 AM 43.0 °F 38.8 °F 32.0 °F 65% 30.57 in 10.0 mi NNE 6.9 mph - N/A   Mostly Cloudy
7:52 AM 44.1 °F 40.1 °F 30.9 °F 60% 30.59 in 10.0 mi Variable 6.9 mph - N/A   Overcast
8:52 AM 44.1 °F 41.5 °F 30.0 °F 58% 30.63 in 10.0 mi Variable 4.6 mph - N/A   Overcast
11:52 AM 44.1 °F 40.8 °F 33.1 °F 65% 30.64 in 10.0 mi NNE 5.8 mph - N/A   Overcast
12:52 PM 45.0 °F 42.6 °F 33.1 °F 63% 30.62 in 10.0 mi Variable 4.6 mph - N/A   Overcast
1:52 PM 44.1 °F 41.5 °F 33.1 °F 65% 30.62 in 10.0 mi Variable 4.6 mph - N/A   Overcast
2:52 PM 44.1 °F 40.8 °F 33.1 °F 65% 30.63 in 10.0 mi NNE 5.8 mph - N/A   Overcast
3:52 PM 44.1 °F - 34.0 °F 68% 30.64 in 10.0 mi Calm Calm - N/A   Overcast
4:52 PM 43.0 °F - 34.0 °F 71% 30.66 in 10.0 mi Calm Calm - N/A   Overcast
5:52 PM 41.0 °F 39.0 °F 33.1 °F 73% 30.66 in 10.0 mi NW 3.5 mph - N/A   Scattered Clouds
6:52 PM 37.9 °F 35.5 °F 33.1 °F 83% 30.68 in 10.0 mi NNW 3.5 mph - N/A   Clear
7:52 PM 37.0 °F 34.5 °F 33.1 °F 86% 30.67 in 10.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
8:52 PM 37.9 °F 35.5 °F 33.1 °F 83% 30.67 in 10.0 mi North 3.5 mph - N/A   Scattered Clouds
9:52 PM 39.0 °F - 34.0 °F 82% 30.68 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:52 PM 35.1 °F - 32.0 °F 89% 30.65 in 9.0 mi Calm Calm - N/A   Clear
11:52 PM 35.1 °F 32.2 °F 32.0 °F 89% 30.64 in 8.0 mi North 3.5 mph - N/A   Partly Cloudy