History for Chatham, MA

Monday, February 18, 2013 — View Current Conditions
Monday, February 18, 2013
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 26 °F -  
Max Temperature 32 °F 37 °F 48 °F (1981)
Min Temperature 19 °F 25 °F 5 °F (1979)
Degree Days
Heating Degree Days 40    
Moisture
Dew Point 3 °F    
Average Humidity 39    
Maximum Humidity 52    
Minimum Humidity 28    
Precipitation
Precipitation 0.00 in - - ()
Sea Level Pressure
Sea Level Pressure 29.94 in    
Wind
Wind Speed 14 mph (WNW)    
Max Wind Speed 22 mph    
Max Gust Speed 36 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
Seasonal Weather Averages
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Local Photos
Colors of the Night
WintrySight
Amazing how much snow we`ve been getting!
Prismatic
Openings
two bubbles are open to the surface of the ice
Belt of Venus
...on a clear, cold, breezy night.
Molten
Ephemeral
Schooling
LateInTheDay
FreshLayer
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Astronomy
May. 26, 2013 Rise Set
Actual Time 6:30 AM EST 5:17 PM EST
Civil Twilight 6:02 AM EST 5:45 PM EST
Nautical Twilight 5:30 AM EST 6:18 PM EST
Astronomical Twilight 4:58 AM EST 6:50 PM EST
Moon 10:58 AM EST (2/18) 1:09 AM EST (2/18)
Length Of Visible Light 11h 43m
Length of Day
10h 46m
First Quarter, 58% of the Moon is Illuminated
Feb 18
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter
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Hourly Observations
Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 21.0 °F 8.6 °F 3.9 °F 48% 29.63 in 10.0 mi WNW 12.7 mph 31.1 mph N/A   Overcast
1:52 AM 19.0 °F 4.5 °F 3.0 °F 50% 29.66 in 10.0 mi West 16.1 mph 34.5 mph N/A   Overcast
2:52 AM 19.0 °F 3.6 °F 3.0 °F 50% 29.68 in 10.0 mi WNW 18.4 mph 33.4 mph N/A   Overcast
3:52 AM 19.0 °F 6.1 °F 3.9 °F 52% 29.72 in 10.0 mi WNW 12.7 mph 31.1 mph N/A   Mostly Cloudy
5:52 AM 19.0 °F 4.0 °F 3.9 °F 52% 29.77 in 10.0 mi NW 17.3 mph 29.9 mph N/A   Clear
6:52 AM 19.0 °F 4.5 °F 3.9 °F 52% 29.81 in 9.0 mi WNW 16.1 mph 35.7 mph N/A   Clear
7:52 AM 19.9 °F 3.5 °F 5.0 °F 52% 29.85 in 10.0 mi WNW 21.9 mph 35.7 mph N/A   Clear
9:52 AM 24.1 °F 12.0 °F 6.1 °F 46% 29.93 in 10.0 mi NW 13.8 mph 35.7 mph N/A   Clear
10:52 AM 26.1 °F 13.6 °F 6.1 °F 43% 29.94 in 10.0 mi WNW 16.1 mph 31.1 mph N/A   Clear
11:52 AM 28.9 °F 18.2 °F 6.1 °F 38% 29.94 in 10.0 mi WNW 13.8 mph 26.5 mph N/A   Clear
12:52 PM 30.9 °F 20.7 °F 3.9 °F 32% 29.96 in 10.0 mi WNW 13.8 mph 31.1 mph N/A   Clear
1:52 PM 32.0 °F 22.1 °F 3.9 °F 31% 29.97 in 10.0 mi West 13.8 mph 31.1 mph N/A   Clear
2:52 PM 30.9 °F 19.1 °F 1.9 °F 29% 29.98 in 10.0 mi West 18.4 mph 34.5 mph N/A   Clear
3:52 PM 30.9 °F 18.7 °F 1.9 °F 29% 30.01 in 10.0 mi West 19.6 mph 29.9 mph N/A   Clear
4:52 PM 30.0 °F 20.5 °F -0.0 °F 28% 30.04 in 10.0 mi West 11.5 mph 21.9 mph N/A   Clear
5:52 PM 28.0 °F 20.0 °F -0.0 °F 30% 30.08 in 10.0 mi West 8.1 mph - N/A   Clear
6:52 PM 27.0 °F 19.5 °F 1.0 °F 33% 30.10 in 10.0 mi WSW 6.9 mph - N/A   Clear
8:52 PM 27.0 °F 17.3 °F -0.0 °F 31% 30.13 in 10.0 mi West 10.4 mph 21.9 mph N/A   Clear
9:52 PM 27.0 °F 18.0 °F -0.0 °F 31% 30.14 in 10.0 mi West 9.2 mph 16.1 mph N/A   Clear
10:52 PM 26.1 °F 16.8 °F -0.0 °F 32% 30.14 in 10.0 mi West 9.2 mph 17.3 mph N/A   Clear
11:52 PM 27.0 °F 21.6 °F 1.0 °F 33% 30.17 in 10.0 mi Variable 4.6 mph - N/A   Clear
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