Weather History for Chatham, MA

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Monday, November 19, 2012

  Actual Average Record
Temperature  
Mean Temperature 48 °F -  
Max Temperature 51 °F 48 °F 61 °F (1991)
Min Temperature 46 °F 36 °F 27 °F (2005)
Degree Days  
Heating Degree Days 16    
Moisture  
Dew Point 41 °F    
Average Humidity 75    
Maximum Humidity 77    
Minimum Humidity 71    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.43 in    
Wind  
Wind Speed 7 mph (NE)    
Max Wind Speed 12 mph    
Max Gust Speed 17 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

Nov. 19, 2012 Rise Set
Actual Time 6:34 AM EST 4:16 PM EST
Civil Twilight 6:04 AM EST 4:46 PM EST
Nautical Twilight 5:30 AM EST 5:20 PM EST
Astronomical Twilight 4:57 AM EST 5:53 PM EST
Moon 11:33 AM EST (11/19) 10:41 PM EST (11/19)
Length of Visible Light 10h 42m
Length of Day
9h 41m
Waxing Crescent, 40% of the Moon is Illuminated
Nov 19
Waxing Crescent
Nov 20
First Quarter
Nov 28
Full
Dec 6
Last Quarter
Dec 13
New

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 46.0 °F 43.9 °F 37.0 °F 71% 30.59 in 10.0 mi NE 4.6 mph - N/A   Overcast
1:52 AM 46.9 °F - 37.9 °F 71% 30.58 in 10.0 mi ENE 6.9 mph - N/A   Overcast
2:52 AM 46.9 °F - 37.9 °F 71% 30.56 in 10.0 mi NE 6.9 mph - N/A   Overcast
3:13 AM 46.4 °F 42.4 °F 37.4 °F 71% 30.53 in 10.0 mi NE 8.1 mph - N/A   Scattered Clouds
3:52 AM 46.9 °F - 39.0 °F 74% 30.53 in 10.0 mi NE 9.2 mph - N/A   Clear
4:35 AM 46.4 °F 41.1 °F 39.2 °F 76% 30.51 in 10.0 mi ENE 11.5 mph - N/A   Mostly Cloudy
4:52 AM 46.9 °F - 39.9 °F 77% 30.52 in 10.0 mi ENE 9.2 mph - N/A   Mostly Cloudy
5:52 AM 48.0 °F - 41.0 °F 77% 30.51 in 10.0 mi NE 8.1 mph - N/A   Mostly Cloudy
6:52 AM 48.0 °F - 41.0 °F 77% 30.52 in 10.0 mi ENE 8.1 mph - N/A   Mostly Cloudy
7:52 AM 48.9 °F - 41.0 °F 74% 30.51 in 10.0 mi NE 8.1 mph - N/A   Overcast
8:52 AM 48.9 °F - 42.1 °F 77% 30.49 in 10.0 mi NE 10.4 mph - N/A   Overcast
9:52 AM 50.0 °F - 42.1 °F 74% 30.49 in 10.0 mi ENE 10.4 mph - N/A   Overcast
10:52 AM 50.0 °F - 42.1 °F 74% 30.45 in 10.0 mi NE 11.5 mph - N/A   Overcast
11:52 AM 51.1 °F - 43.0 °F 74% 30.42 in 10.0 mi NE 10.4 mph 17.3 mph N/A   Overcast
12:52 PM 50.0 °F - 43.0 °F 77% 30.40 in 10.0 mi NE 8.1 mph - N/A   Overcast
1:52 PM 50.0 °F - 42.1 °F 74% 30.39 in 10.0 mi NE 11.5 mph - N/A   Overcast
2:52 PM 50.0 °F - 42.1 °F 74% 30.38 in 10.0 mi NNE 8.1 mph - N/A   Overcast
3:52 PM 48.9 °F - 42.1 °F 77% 30.37 in 10.0 mi NE 8.1 mph - N/A   Overcast
4:52 PM 48.9 °F - 42.1 °F 77% 30.35 in 10.0 mi NE 8.1 mph - N/A   Overcast
5:52 PM 48.9 °F - 42.1 °F 77% 30.35 in 10.0 mi NE 8.1 mph - N/A   Overcast
6:52 PM 48.9 °F - 42.1 °F 77% 30.32 in 10.0 mi Variable 4.6 mph - N/A   Overcast
7:52 PM 48.9 °F - 42.1 °F 77% 30.30 in 10.0 mi NE 5.8 mph - N/A   Overcast
8:52 PM 48.9 °F - 42.1 °F 77% 30.29 in 10.0 mi Calm Calm - N/A   Overcast
9:52 PM 48.0 °F - 41.0 °F 77% 30.27 in 10.0 mi NNE 3.5 mph - N/A   Overcast
10:52 PM 48.9 °F - 41.0 °F 74% 30.25 in 10.0 mi Variable 3.5 mph - N/A   Overcast
11:52 PM 48.0 °F - 41.0 °F 77% 30.25 in 10.0 mi Calm Calm - N/A   Overcast