Weather History for Chatham, MA

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Wednesday, August 27, 2014

  Actual Average Record
Temperature  
Mean Temperature 71 °F -  
Max Temperature 80 °F 73 °F 84 °F (2003)
Min Temperature 64 °F 60 °F 54 °F (1989)
Cooling Degree Days 6    
Growing Degree Days 21 (Base 50)    
Moisture  
Dew Point 64 °F    
Average Humidity 80    
Maximum Humidity 90    
Minimum Humidity 58    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 8 mph (SW)    
Max Wind Speed 16 mph    
Max Gust Speed 23 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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Astronomy

Aug. 27, 2014 Rise Set
Actual Time 6:00 AM EDT 7:21 PM EDT
Civil Twilight 5:31 AM EDT 7:50 PM EDT
Nautical Twilight 4:57 AM EDT 8:24 PM EDT
Astronomical Twilight 4:20 AM EDT 9:01 PM EDT
Moon 7:56 AM EDT (8/27) 8:09 PM EDT (8/27)
Length of Visible Light 14h 18m
Length of Day
13h 20m
Waxing Crescent, 4% of the Moon is Illuminated
Aug 27
Waxing Crescent
Sep 2
First Quarter
Sep 8
Full
Sep 15
Last Quarter
Sep 24
New

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 66.9 °F 63.0 °F 87% 30.08 in 10.0 mi SW 6.9 mph - N/A   Clear
1:52 AM 66.9 °F 63.0 °F 87% 30.06 in 10.0 mi SW 5.8 mph - N/A   Clear
2:52 AM 66.9 °F 63.0 °F 87% 30.04 in 10.0 mi SW 5.8 mph - N/A   Clear
3:52 AM 66.0 °F 63.0 °F 90% 30.04 in 10.0 mi WSW 3.5 mph - N/A   Clear
5:52 AM 64.0 °F 61.0 °F 90% 30.04 in 10.0 mi SW 3.5 mph - N/A   Clear
6:52 AM 68.0 °F 63.0 °F 84% 30.04 in 10.0 mi SW 5.8 mph - N/A   Clear
7:52 AM 71.1 °F 66.0 °F 84% 30.05 in 10.0 mi SW 8.1 mph - N/A   Clear
8:04 AM 70.0 °F 66.9 °F 90% 30.05 in 10.0 mi SW 10.4 mph 17.3 mph N/A   Scattered Clouds
8:14 AM 70.0 °F 66.9 °F 90% 30.05 in 10.0 mi SW 11.5 mph 18.4 mph N/A   Mostly Cloudy
8:37 AM 72.0 °F 66.9 °F 84% 30.05 in 10.0 mi SW 10.4 mph 19.6 mph N/A   Overcast
8:52 AM 72.0 °F 66.9 °F 84% 30.05 in 10.0 mi SW 10.4 mph 18.4 mph N/A   Mostly Cloudy
9:11 AM 73.0 °F 66.9 °F 81% 30.04 in 10.0 mi SW 8.1 mph 18.4 mph N/A   Scattered Clouds
10:52 AM 75.9 °F 66.0 °F 71% 30.02 in 10.0 mi SW 16.1 mph 20.7 mph N/A   Clear
11:52 AM 77.0 °F 66.0 °F 69% 30.01 in 10.0 mi SW 8.1 mph 20.7 mph N/A   Clear
12:52 PM 78.1 °F 63.0 °F 60% 29.98 in 10.0 mi SW 12.7 mph 23.0 mph N/A   Clear
1:52 PM 78.1 °F 62.1 °F 58% 29.96 in 10.0 mi SSW 9.2 mph 21.9 mph N/A   Clear
3:52 PM 78.1 °F 62.1 °F 58% 29.93 in 10.0 mi SW 10.4 mph 17.3 mph N/A   Clear
6:52 PM 72.0 °F 62.1 °F 71% 29.91 in 10.0 mi Variable 6.9 mph - N/A   Clear
7:52 PM 71.1 °F 63.0 °F 75% 29.91 in 10.0 mi SW 9.2 mph - N/A   Clear
8:52 PM 70.0 °F 64.9 °F 84% 29.92 in 10.0 mi Variable 6.9 mph - N/A   Clear
9:52 PM 71.1 °F 66.0 °F 84% 29.90 in 10.0 mi SW 8.1 mph - N/A   Clear
10:52 PM 71.1 °F 66.0 °F 84% 29.88 in 10.0 mi WSW 6.9 mph - N/A   Clear
11:52 PM 70.0 °F 64.9 °F 84% 29.87 in 10.0 mi SW 6.9 mph - N/A   Clear