Weather History for Chatham, MA

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Friday, May 10, 2013

  Actual Average Record
Temperature  
Mean Temperature 58 °F -  
Max Temperature 68 °F 58 °F 78 °F (1979)
Min Temperature 51 °F 44 °F 37 °F (2001)
Degree Days  
Heating Degree Days 6    
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 56 °F    
Average Humidity 91    
Maximum Humidity 100    
Minimum Humidity 70    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.96 in    
Wind  
Wind Speed 5 mph (SW)    
Max Wind Speed 13 mph    
Max Gust Speed -    
Visibility 6 miles    
Events Fog    
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

May. 10, 2013 Rise Set
Actual Time 5:25 AM EDT 7:47 PM EDT
Civil Twilight 4:54 AM EDT 8:19 PM EDT
Nautical Twilight 4:15 AM EDT 8:58 PM EDT
Astronomical Twilight 3:32 AM EDT 9:41 PM EDT
Moon 5:47 AM EDT (5/10) 8:34 PM EDT (5/10)
Length of Visible Light 15h 25m
Length of Day
14h 22m
New Moon, 0% of the Moon is Illuminated
May 10
New Moon
May 18
First Quarter
May 25
Full
May 31
Last Quarter
Jun 8
New

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
1:08 AM 51.8 °F 51.8 °F 100% 29.91 in 1.8 mi SW 6.9 mph - N/A   Overcast
1:26 AM 53.6 °F 53.6 °F 100% 29.91 in 0.8 mi SW 4.6 mph - N/A   Mist
1:52 AM 53.1 °F 53.1 °F 100% 29.91 in 0.5 mi SW 4.6 mph - N/A Fog Fog
2:52 AM 54.0 °F 54.0 °F 100% 29.91 in 0.5 mi Variable 3.5 mph - N/A Fog Fog
3:21 AM 55.4 °F 55.4 °F 100% 29.90 in 1.0 mi Variable 4.6 mph - N/A   Mist
3:28 AM 55.4 °F 55.4 °F 100% 29.90 in 0.8 mi WSW 4.6 mph - N/A   Mist
4:02 AM 55.4 °F 55.4 °F 100% 29.91 in 1.0 mi WSW 4.6 mph - N/A   Mist
4:25 AM 55.4 °F 55.4 °F 100% 29.91 in 2.5 mi WSW 4.6 mph - N/A   Overcast
4:44 AM 55.4 °F 55.4 °F 100% 29.91 in 3.0 mi WSW 4.6 mph - N/A   Overcast
4:52 AM 55.9 °F 55.9 °F 100% 29.92 in 4.0 mi Variable 3.5 mph - N/A   Overcast
5:52 AM 55.9 °F 55.9 °F 100% 29.94 in 2.5 mi WSW 5.8 mph - N/A   Overcast
6:18 AM 57.2 °F 57.2 °F 100% 29.95 in 1.5 mi Variable 3.5 mph - N/A   Overcast
6:38 AM 57.2 °F 57.2 °F 100% 29.95 in 2.5 mi Calm Calm - N/A   Overcast
6:52 AM 57.9 °F 57.0 °F 97% 29.96 in 5.0 mi Calm Calm - N/A   Overcast
7:19 AM 59.0 °F 57.2 °F 94% 29.95 in 8.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
7:31 AM 60.8 °F 59.0 °F 94% 29.96 in 9.0 mi SW 3.5 mph - N/A   Mostly Cloudy
7:52 AM 61.0 °F 59.0 °F 93% 29.96 in 8.0 mi Calm Calm - N/A   Overcast
8:41 AM 62.6 °F 59.0 °F 88% 29.95 in 10.0 mi SSW 3.5 mph - N/A   Scattered Clouds
8:52 AM 60.1 °F 57.0 °F 90% 29.96 in 10.0 mi SSW 4.6 mph - N/A   Partly Cloudy
9:34 AM 57.2 °F 55.4 °F 94% 29.97 in 8.0 mi SW 6.9 mph - N/A   Mostly Cloudy
9:52 AM 60.1 °F 57.0 °F 90% 29.98 in 5.0 mi Variable 3.5 mph - N/A   Overcast
10:10 AM 64.4 °F 59.0 °F 83% 29.98 in 10.0 mi SSW 3.5 mph - N/A   Scattered Clouds
10:52 AM 62.1 °F 57.0 °F 84% 29.99 in 10.0 mi SSW 5.8 mph - N/A   Clear
11:52 AM 64.0 °F 57.0 °F 78% 29.99 in 10.0 mi SSW 5.8 mph - N/A   Clear
12:52 PM 64.0 °F 57.0 °F 78% 29.99 in 10.0 mi South 5.8 mph - N/A   Clear
1:52 PM 66.9 °F 57.0 °F 70% 29.98 in 10.0 mi Variable 3.5 mph - N/A   Clear
2:52 PM 66.0 °F 55.9 °F 70% 29.97 in 10.0 mi SSW 5.8 mph - N/A   Clear
3:52 PM 63.0 °F 55.0 °F 75% 29.97 in 10.0 mi SSW 6.9 mph - N/A   Clear
4:52 PM 60.1 °F 54.0 °F 80% 29.99 in 10.0 mi SW 12.7 mph - N/A   Clear
5:52 PM 60.1 °F 54.0 °F 80% 29.98 in 10.0 mi SW 5.8 mph - N/A   Clear
6:52 PM 57.9 °F 54.0 °F 87% 29.98 in 8.0 mi SW 6.9 mph - N/A   Clear
7:52 PM 55.9 °F 54.0 °F 93% 29.99 in 5.0 mi SSW 9.2 mph - N/A   Clear
8:52 PM 55.9 °F 54.0 °F 93% 29.99 in 6.0 mi SW 9.2 mph - N/A   Clear
9:52 PM 55.9 °F 54.0 °F 93% 29.99 in 6.0 mi SSW 5.8 mph - N/A   Clear
10:52 PM 55.9 °F 54.0 °F 93% 29.99 in 6.0 mi SW 8.1 mph - N/A   Clear
11:52 PM 55.9 °F 54.0 °F 93% 29.98 in 5.0 mi SSW 6.9 mph - N/A   Clear