Weather History for Chatham, MA

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Monday, January 7, 2013

  Actual Average Record
Temperature  
Mean Temperature 34 °F -  
Max Temperature 42 °F 38 °F 53 °F (2012)
Min Temperature 25 °F 25 °F 10 °F (2014)
Degree Days  
Heating Degree Days 32    
Moisture  
Dew Point 28 °F    
Average Humidity 77    
Maximum Humidity 92    
Minimum Humidity 65    
Precipitation  
Precipitation 0.01 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.26 in    
Wind  
Wind Speed 4 mph (NNW)    
Max Wind Speed 13 mph    
Max Gust Speed 20 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

Jan. 07, 2013 Rise Set
Actual Time 7:06 AM EST 4:26 PM EST
Civil Twilight 6:35 AM EST 4:57 PM EST
Nautical Twilight 6:01 AM EST 5:31 PM EST
Astronomical Twilight 5:27 AM EST 6:05 PM EST
Moon 2:25 AM EST (1/7) 12:35 PM EST (1/7)
Length of Visible Light 10h 21m
Length of Day
9h 19m
Waning Crescent, 23% of the Moon is Illuminated
Jan 7
Waning Crescent
Jan 11
New
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 30.9 °F - 28.9 °F 92% 29.99 in 7.0 mi Calm Calm - N/A   Overcast
1:52 AM 30.0 °F 26.5 °F 27.0 °F 88% 30.01 in 6.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
3:52 AM 33.1 °F 28.7 °F 28.9 °F 85% 30.01 in 9.0 mi WNW 4.6 mph - N/A   Clear
4:52 AM 34.0 °F 28.8 °F 28.9 °F 82% 30.02 in 10.0 mi NW 5.8 mph - N/A   Clear
5:52 AM 35.1 °F 31.0 °F 30.0 °F 82% 30.06 in 10.0 mi WNW 4.6 mph - N/A   Clear
6:52 AM 37.0 °F 31.6 °F 30.0 °F 76% 30.09 in 10.0 mi NW 6.9 mph - N/A   Clear
7:52 AM 37.0 °F 32.4 °F 30.0 °F 76% 30.13 in 10.0 mi NW 5.8 mph - N/A   Clear
8:52 AM 39.9 °F 35.8 °F 30.9 °F 70% 30.17 in 10.0 mi Variable 5.8 mph - N/A   Clear
9:52 AM 41.0 °F 33.9 °F 32.0 °F 70% 30.21 in 10.0 mi NNW 12.7 mph 19.6 mph N/A   Partly Cloudy
10:52 AM 41.0 °F 35.2 °F 30.9 °F 67% 30.22 in 10.0 mi NNW 9.2 mph 17.3 mph N/A   Scattered Clouds
11:52 AM 42.1 °F 37.1 °F 30.9 °F 65% 30.23 in 10.0 mi NNW 8.1 mph 16.1 mph N/A   Clear
12:16 PM 39.2 °F 34.2 °F 30.2 °F 70% 30.23 in 10.0 mi Variable 6.9 mph - N/A   Mostly Cloudy
12:52 PM 39.0 °F 33.4 °F 32.0 °F 76% 30.27 in 10.0 mi North 8.1 mph - 0.01 in   Overcast
1:52 PM 37.9 °F 33.5 °F 30.0 °F 73% 30.30 in 10.0 mi North 5.8 mph - N/A   Overcast
2:30 PM 37.4 °F 33.8 °F 28.4 °F 70% 30.32 in 10.0 mi Variable 4.6 mph - N/A   Overcast
2:43 PM 37.4 °F 32.1 °F 28.4 °F 70% 30.32 in 10.0 mi Variable 6.9 mph - N/A   Overcast
2:50 PM 37.4 °F 33.8 °F 28.4 °F 70% 30.33 in 10.0 mi NNE 4.6 mph - N/A   Overcast
2:52 PM 37.0 °F 33.3 °F 28.0 °F 70% 30.34 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
3:52 PM 36.0 °F 32.1 °F 27.0 °F 70% 30.37 in 10.0 mi NNE 4.6 mph - N/A   Clear
4:52 PM 34.0 °F 31.0 °F 25.0 °F 70% 30.38 in 10.0 mi NNE 3.5 mph - N/A   Clear
5:52 PM 30.0 °F - 24.1 °F 79% 30.41 in 10.0 mi Calm Calm - N/A   Clear
6:52 PM 28.0 °F - 23.0 °F 81% 30.43 in 10.0 mi Calm Calm - N/A   Clear
7:52 PM 26.1 °F - 23.0 °F 88% 30.43 in 10.0 mi Calm Calm - N/A   Clear
8:52 PM 25.0 °F - 21.0 °F 85% 30.43 in 10.0 mi Calm Calm - N/A   Clear
9:52 PM 25.0 °F - 21.9 °F 88% 30.42 in 10.0 mi Calm Calm - N/A   Clear
10:52 PM 27.0 °F - 24.1 °F 89% 30.42 in 10.0 mi Calm Calm - N/A   Clear
11:52 PM 32.0 °F 28.7 °F 27.0 °F 82% 30.41 in 10.0 mi South 3.5 mph - N/A   Clear