Weather History for Chatham, MA

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Thursday, February 16, 2012

  Actual Average Record
Temperature  
Mean Temperature 41 °F -  
Max Temperature 46 °F 37 °F 57 °F (1976)
Min Temperature 36 °F 25 °F 8 °F (1987)
Degree Days  
Heating Degree Days 24    
Moisture  
Dew Point 37 °F    
Average Humidity 92    
Maximum Humidity 100    
Minimum Humidity 67    
Precipitation  
Precipitation 0.04 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.22 in    
Wind  
Wind Speed 2 mph (WSW)    
Max Wind Speed 6 mph    
Max Gust Speed -    
Visibility 4 miles    
Events Fog , Rain    
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. 16, 2012 Rise Set
Actual Time 6:34 AM EST 5:13 PM EST
Civil Twilight 6:06 AM EST 5:42 PM EST
Nautical Twilight 5:33 AM EST 6:14 PM EST
Astronomical Twilight 5:01 AM EST 6:47 PM EST
Moon 2:30 AM EST (2/16) 11:59 AM EST (2/16)
Length of Visible Light 11h 36m
Length of Day
10h 39m
Waning Crescent, 28% of the Moon is Illuminated
Feb 16
Waning Crescent
Feb 21
New
Feb 29
First Quarter
Mar 8
Full
Mar 14
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:10 AM 39.2 °F - 37.4 °F 93% 30.23 in 5.0 mi Calm Calm - N/A   Overcast
12:19 AM 39.2 °F 37.0 °F 37.4 °F 93% 30.23 in 4.0 mi WNW 3.5 mph - N/A   Overcast
12:30 AM 39.2 °F 35.9 °F 37.4 °F 93% 30.23 in 1.8 mi NW 4.6 mph - N/A   Overcast
12:52 AM 39.0 °F - 37.9 °F 96% 30.23 in 3.0 mi Calm Calm - N/A   Overcast
1:23 AM 39.2 °F - 37.4 °F 93% 30.23 in 4.0 mi Calm Calm - N/A   Overcast
1:52 AM 39.0 °F - 37.9 °F 96% 30.25 in 4.0 mi Calm Calm - N/A   Overcast
2:10 AM 37.4 °F - 37.4 °F 100% 30.25 in 4.0 mi Calm Calm - N/A   Overcast
2:19 AM 37.4 °F - 37.4 °F 100% 30.24 in 4.0 mi Calm Calm - N/A   Overcast
2:52 AM 39.0 °F - 37.9 °F 96% 30.24 in 3.0 mi Calm Calm - N/A   Overcast
3:00 AM 39.2 °F - 37.4 °F 93% 30.23 in 2.5 mi Calm Calm - N/A   Overcast
3:39 AM 39.2 °F 37.0 °F 37.4 °F 93% 30.23 in 2.0 mi Variable 3.5 mph - N/A   Overcast
3:47 AM 37.4 °F 34.9 °F 37.4 °F 100% 30.23 in 1.0 mi Variable 3.5 mph - N/A   Overcast
4:04 AM 37.4 °F 34.9 °F 37.4 °F 100% 30.24 in 0.2 mi NW 3.5 mph - N/A Fog Fog
4:24 AM 37.4 °F 34.9 °F 37.4 °F 100% 30.24 in 0.5 mi Variable 3.5 mph - N/A Fog Fog
4:49 AM 37.4 °F - 37.4 °F 100% 30.24 in 1.0 mi Calm Calm - N/A   Mist
4:52 AM 37.9 °F - 37.0 °F 97% 30.25 in 1.0 mi Calm Calm - N/A   Mist
4:59 AM 37.4 °F - 37.4 °F 100% 30.25 in 0.8 mi Calm Calm - N/A   Mist
5:39 AM 37.4 °F - 37.4 °F 100% 30.26 in 0.2 mi Calm Calm - N/A Fog Fog
5:52 AM 37.0 °F 33.3 °F 37.0 °F 100% 30.28 in 0.2 mi WNW 4.6 mph - N/A Fog Fog
6:52 AM 36.0 °F - 36.0 °F 100% 30.28 in 0.2 mi Calm Calm - N/A Fog Fog
7:52 AM 37.0 °F - 36.0 °F 96% 30.28 in 0.2 mi Calm Calm - N/A Fog Fog
7:59 AM 37.4 °F - 37.4 °F 100% 30.27 in 0.8 mi Calm Calm - N/A   Mist
8:06 AM 37.4 °F - 37.4 °F 100% 30.27 in 2.0 mi Calm Calm - N/A   Mostly Cloudy
8:13 AM 37.4 °F - 37.4 °F 100% 30.27 in 3.0 mi Calm Calm - N/A   Scattered Clouds
8:52 AM 39.9 °F - 37.9 °F 93% 30.29 in 7.0 mi Calm Calm - N/A   Clear
9:52 AM 45.0 °F - 37.0 °F 74% 30.28 in 10.0 mi Calm Calm - N/A   Clear
10:52 AM 45.0 °F 42.6 °F 37.0 °F 74% 30.26 in 10.0 mi SSW 4.6 mph - N/A   Partly Cloudy
11:52 AM 46.0 °F 43.1 °F 37.9 °F 73% 30.23 in 10.0 mi SSW 5.8 mph - N/A   Clear
12:52 PM 43.0 °F 40.3 °F 36.0 °F 76% 30.22 in 10.0 mi SSW 4.6 mph - N/A   Clear
1:52 PM 42.1 °F 39.2 °F 34.0 °F 73% 30.19 in 10.0 mi SSW 4.6 mph - N/A   Clear
2:52 PM 42.1 °F 38.4 °F 32.0 °F 67% 30.18 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
4:52 PM 39.9 °F 35.8 °F 36.0 °F 86% 30.18 in 6.0 mi WSW 5.8 mph - N/A   Overcast
5:52 PM 39.0 °F 36.8 °F 36.0 °F 89% 30.17 in 8.0 mi WSW 3.5 mph - N/A   Overcast
6:52 PM 39.0 °F - 36.0 °F 89% 30.16 in 9.0 mi Calm Calm - 0.00 in Rain Light Rain
7:52 PM 39.0 °F 35.7 °F 37.0 °F 93% 30.13 in 6.0 mi ENE 4.6 mph - 0.02 in Rain Light Rain
8:52 PM 39.0 °F - 37.0 °F 93% 30.14 in 4.0 mi Calm Calm - 0.00 in Rain Light Rain
9:52 PM 39.0 °F 36.8 °F 37.9 °F 96% 30.14 in 5.0 mi SW 3.5 mph - 0.01 in Rain Light Rain
10:52 PM 39.0 °F - 37.0 °F 93% 30.12 in 6.0 mi Calm Calm - 0.01 in   Overcast
11:52 PM 37.9 °F - 37.0 °F 97% 30.11 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain