Weather History for Chatham, MA

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Monday, August 26, 2013

  Actual Average Record
Temperature  
Mean Temperature 73 °F -  
Max Temperature 77 °F 73 °F 85 °F (1993)
Min Temperature 69 °F 60 °F 52 °F (1981)
Cooling Degree Days 8    
Growing Degree Days 23 (Base 50)    
Moisture  
Dew Point 63 °F    
Average Humidity 75    
Maximum Humidity 90    
Minimum Humidity 59    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.06 in    
Wind  
Wind Speed 9 mph (SW)    
Max Wind Speed 17 mph    
Max Gust Speed 28 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

Aug. 26, 2013 Rise Set
Actual Time 5:59 AM EDT 7:22 PM EDT
Civil Twilight 5:30 AM EDT 7:51 PM EDT
Nautical Twilight 4:56 AM EDT 8:26 PM EDT
Astronomical Twilight 4:19 AM EDT 9:02 PM EDT
Moon 10:25 PM EDT 12:04 PM EDT
Length of Visible Light 14h 20m
Length of Day
13h 22m
Waning Gibbous, 67% of the Moon is Illuminated
Aug 26
Waning Gibbous
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter
Sep 19
Full

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 69.1 °F 55.9 °F 63% 30.23 in 10.0 mi WSW 6.9 mph - N/A   Clear
1:52 AM 70.0 °F 55.0 °F 59% 30.23 in 10.0 mi WSW 9.2 mph - N/A   Clear
2:52 AM 69.1 °F 59.0 °F 70% 30.20 in 10.0 mi Variable 6.9 mph 20.7 mph N/A   Clear
3:52 AM 70.0 °F 61.0 °F 73% 30.19 in 10.0 mi SW 8.1 mph 16.1 mph N/A   Clear
4:52 AM 70.0 °F 62.1 °F 76% 30.18 in 10.0 mi Variable 6.9 mph - N/A   Clear
5:52 AM 69.1 °F 62.1 °F 78% 30.17 in 10.0 mi WSW 8.1 mph - N/A   Clear
6:52 AM 70.0 °F 63.0 °F 78% 30.16 in 10.0 mi WSW 8.1 mph - N/A   Clear
7:52 AM 71.1 °F 63.0 °F 75% 30.14 in 10.0 mi Variable 6.9 mph 19.6 mph N/A   Clear
8:52 AM 71.1 °F 63.0 °F 75% 30.13 in 10.0 mi SW 10.4 mph 17.3 mph N/A   Unknown
9:52 AM 72.0 °F 62.1 °F 71% 30.12 in 10.0 mi SW 12.7 mph 19.6 mph N/A   Mostly Cloudy
10:52 AM 73.0 °F 63.0 °F 71% 30.11 in 10.0 mi SW 11.5 mph 25.3 mph N/A   Overcast
1:52 PM 77.0 °F 64.0 °F 64% 30.02 in 10.0 mi SW 13.8 mph 25.3 mph N/A   Scattered Clouds
2:52 PM 75.9 °F 63.0 °F 64% 30.00 in 10.0 mi WSW 17.3 mph 27.6 mph N/A   Scattered Clouds
3:52 PM 73.9 °F 64.0 °F 71% 29.98 in 10.0 mi SW 9.2 mph 19.6 mph N/A   Partly Cloudy
4:52 PM 73.0 °F 64.9 °F 76% 29.96 in 10.0 mi SW 8.1 mph 23.0 mph N/A   Scattered Clouds
5:52 PM 72.0 °F 64.0 °F 76% 29.96 in 10.0 mi WSW 11.5 mph 18.4 mph N/A   Overcast
6:52 PM 71.1 °F 64.9 °F 81% 29.95 in 10.0 mi SW 11.5 mph 23.0 mph N/A   Overcast
7:52 PM 71.1 °F 64.9 °F 81% 29.95 in 10.0 mi SW 6.9 mph 16.1 mph N/A   Overcast
8:52 PM 71.1 °F 66.0 °F 84% 29.94 in 10.0 mi SW 6.9 mph - N/A   Overcast
9:52 PM 71.1 °F 64.9 °F 81% 29.94 in 10.0 mi SW 9.2 mph 20.7 mph N/A   Partly Cloudy
10:52 PM 71.1 °F 66.0 °F 84% 29.93 in 10.0 mi SW 5.8 mph 17.3 mph N/A   Mostly Cloudy
11:34 PM 71.6 °F 66.2 °F 83% 29.92 in 10.0 mi Variable 5.8 mph - N/A   Overcast
11:52 PM 70.0 °F 66.9 °F 90% 29.92 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy