Weather History for Chatham, MA

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Wednesday, April 4, 2012

  Actual Average Record
Temperature  
Mean Temperature 46 °F -  
Max Temperature 55 °F 46 °F 62 °F (1997)
Min Temperature 37 °F 34 °F 28 °F (1982)
Degree Days  
Heating Degree Days 20    
Moisture  
Dew Point 32 °F    
Average Humidity 56    
Maximum Humidity 86    
Minimum Humidity 34    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.59 in    
Wind  
Wind Speed 4 mph (SW)    
Max Wind Speed 13 mph    
Max Gust Speed 21 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

Apr. 04, 2012 Rise Set
Actual Time 6:17 AM EDT 7:09 PM EDT
Civil Twilight 5:48 AM EDT 7:37 PM EDT
Nautical Twilight 5:15 AM EDT 8:11 PM EDT
Astronomical Twilight 4:40 AM EDT 8:45 PM EDT
Moon 4:57 PM EDT (4/4) 4:39 AM EDT (4/4)
Length of Visible Light 13h 48m
Length of Day
12h 52m
Waxing Gibbous, 93% of the Moon is Illuminated
Apr 4
Waxing Gibbous
Apr 6
Full
Apr 13
Last Quarter
Apr 21
New
Apr 29
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 39.0 °F - 35.1 °F 86% 29.72 in 10.0 mi Calm Calm - N/A   Clear
1:52 AM 42.1 °F 39.2 °F 30.9 °F 65% 29.71 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
2:52 AM 43.0 °F 41.3 °F 28.9 °F 58% 29.69 in 10.0 mi WNW 3.5 mph - N/A   Overcast
3:52 AM 45.0 °F 43.5 °F 26.1 °F 48% 29.70 in 10.0 mi Variable 3.5 mph - N/A   Overcast
5:52 AM 41.0 °F - 28.9 °F 62% 29.66 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:52 AM 37.0 °F - 30.0 °F 76% 29.67 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:52 AM 48.9 °F - 30.0 °F 48% 29.64 in 10.0 mi South 5.8 mph - N/A   Partly Cloudy
9:52 AM 51.1 °F - 30.0 °F 44% 29.62 in 10.0 mi SSW 6.9 mph - N/A   Clear
10:52 AM 51.1 °F - 27.0 °F 39% 29.60 in 10.0 mi South 5.8 mph - N/A   Clear
11:52 AM 51.1 °F - 30.9 °F 46% 29.57 in 10.0 mi SSW 9.2 mph - N/A   Clear
12:52 PM 52.0 °F - 26.1 °F 37% 29.53 in 10.0 mi SSW 12.7 mph 17.3 mph N/A   Clear
1:52 PM 54.0 °F - 28.9 °F 38% 29.51 in 10.0 mi SSW 8.1 mph - N/A   Clear
2:52 PM 53.1 °F - 25.0 °F 34% 29.49 in 10.0 mi SSW 9.2 mph - N/A   Clear
3:52 PM 52.0 °F - 33.1 °F 49% 29.48 in 10.0 mi South 6.9 mph - N/A   Clear
4:52 PM 52.0 °F - 36.0 °F 54% 29.47 in 10.0 mi SE 5.8 mph - N/A   Clear
6:52 PM 48.9 °F - 37.0 °F 64% 29.50 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:52 PM 46.9 °F - 39.0 °F 74% 29.51 in 10.0 mi Calm Calm - N/A   Overcast
8:52 PM 46.9 °F - 39.0 °F 74% 29.54 in 10.0 mi Calm Calm - N/A   Overcast
9:52 PM 50.0 °F - 34.0 °F 54% 29.57 in 10.0 mi Variable 6.9 mph - 0.00 in   Overcast
10:52 PM 48.0 °F - 35.1 °F 61% 29.59 in 10.0 mi NW 8.1 mph - N/A   Overcast
11:52 PM 46.9 °F - 34.0 °F 61% 29.60 in 10.0 mi WNW 11.5 mph 20.7 mph N/A   Scattered Clouds