Weather History for Chatham, MA

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Tuesday, February 12, 2013

  Actual Average Record
Temperature  
Mean Temperature 40 °F -  
Max Temperature 46 °F 37 °F 53 °F (1999)
Min Temperature 34 °F 24 °F 4 °F (1979)
Degree Days  
Heating Degree Days 24    
Moisture  
Dew Point 32 °F    
Average Humidity 73    
Maximum Humidity 100    
Minimum Humidity 44    
Precipitation  
Precipitation 0.01 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.71 in    
Wind  
Wind Speed 8 mph (West)    
Max Wind Speed 15 mph    
Max Gust Speed 30 mph    
Visibility 9 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

Feb. 12, 2013 Rise Set
Actual Time 6:39 AM EST 5:09 PM EST
Civil Twilight 6:10 AM EST 5:38 PM EST
Nautical Twilight 5:37 AM EST 6:11 PM EST
Astronomical Twilight 5:05 AM EST 6:43 PM EST
Moon 7:31 AM EST (2/12) 8:10 PM EST (2/12)
Length of Visible Light 11h 28m
Length of Day
10h 30m
Waxing Crescent, 7% of the Moon is Illuminated
Feb 12
Waxing Crescent
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:41 AM 42.8 °F 38.6 °F 42.8 °F 100% 29.60 in 1.0 mi WSW 6.9 mph - N/A   Overcast
12:52 AM 43.0 °F 38.8 °F 43.0 °F 100% 29.62 in 1.0 mi West 6.9 mph - N/A   Mist
1:13 AM 44.6 °F 40.7 °F 44.6 °F 100% 29.60 in 3.0 mi West 6.9 mph - N/A   Overcast
1:41 AM 44.6 °F 40.2 °F 42.8 °F 93% 29.61 in 10.0 mi West 8.1 mph - N/A   Overcast
1:52 AM 43.0 °F 38.8 °F 43.0 °F 100% 29.62 in 10.0 mi West 6.9 mph - N/A   Overcast
2:21 AM 42.8 °F 37.5 °F 42.8 °F 100% 29.60 in 10.0 mi WNW 9.2 mph - N/A   Overcast
2:49 AM 41.0 °F 37.1 °F 41.0 °F 100% 29.60 in 10.0 mi WNW 5.8 mph - N/A   Scattered Clouds
2:52 AM 41.0 °F 36.4 °F 41.0 °F 100% 29.61 in 10.0 mi Variable 6.9 mph - N/A   Partly Cloudy
3:52 AM 39.0 °F 35.7 °F 37.9 °F 96% 29.62 in 10.0 mi West 4.6 mph - N/A   Clear
4:52 AM 37.9 °F 32.1 °F 34.0 °F 86% 29.65 in 10.0 mi WNW 8.1 mph 16.1 mph N/A   Partly Cloudy
5:52 AM 36.0 °F 30.3 °F 32.0 °F 86% 29.67 in 10.0 mi West 6.9 mph - N/A   Clear
6:52 AM 35.1 °F 30.1 °F 32.0 °F 89% 29.69 in 10.0 mi West 5.8 mph - N/A   Clear
7:52 AM 37.0 °F 31.0 °F 30.9 °F 79% 29.71 in 10.0 mi West 8.1 mph - N/A   Clear
8:52 AM 39.9 °F 32.9 °F 30.0 °F 68% 29.72 in 10.0 mi West 11.5 mph 19.6 mph 0.01 in   Clear
9:52 AM 42.1 °F 37.1 °F 28.9 °F 60% 29.73 in 10.0 mi West 8.1 mph 23.0 mph N/A   Clear
10:52 AM 43.0 °F 36.4 °F 28.0 °F 56% 29.73 in 10.0 mi West 12.7 mph 29.9 mph N/A   Clear
11:52 AM 45.0 °F 39.7 °F 27.0 °F 49% 29.73 in 10.0 mi West 10.4 mph 25.3 mph N/A   Partly Cloudy
12:52 PM 44.1 °F 37.1 °F 26.1 °F 49% 29.73 in 10.0 mi West 15.0 mph 25.3 mph N/A   Mostly Cloudy
1:52 PM 46.0 °F 41.0 °F 25.0 °F 44% 29.74 in 10.0 mi West 10.4 mph 24.2 mph N/A   Clear
2:52 PM 45.0 °F 38.9 °F 25.0 °F 46% 29.75 in 10.0 mi WNW 12.7 mph 25.3 mph N/A   Clear
3:52 PM 44.1 °F 39.5 °F 25.0 °F 47% 29.75 in 10.0 mi West 8.1 mph 21.9 mph N/A   Clear
4:52 PM 42.1 °F 36.1 °F 26.1 °F 53% 29.75 in 10.0 mi WNW 10.4 mph 23.0 mph N/A   Clear
5:52 PM 39.9 °F 34.5 °F 26.1 °F 58% 29.75 in 10.0 mi WNW 8.1 mph - N/A   Clear
6:52 PM 39.0 °F 35.7 °F 26.1 °F 60% 29.80 in 10.0 mi Variable 4.6 mph 18.4 mph N/A   Clear
7:52 PM 39.0 °F 34.0 °F 25.0 °F 57% 29.86 in 10.0 mi WSW 6.9 mph 20.7 mph N/A   Clear
8:52 PM 39.0 °F 32.8 °F 25.0 °F 57% 29.88 in 10.0 mi West 9.2 mph 18.4 mph N/A   Clear
9:52 PM 37.0 °F 31.6 °F 25.0 °F 62% 29.86 in 10.0 mi Variable 6.9 mph - N/A   Clear
10:52 PM 36.0 °F 31.1 °F 25.0 °F 64% 29.84 in 10.0 mi West 5.8 mph - N/A   Clear
11:52 PM 34.0 °F 29.8 °F 25.0 °F 70% 29.85 in 10.0 mi WSW 4.6 mph - N/A   Clear