Weather History for Chatham, MA

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Saturday, August 25, 2012

  Actual Average Record
Temperature  
Mean Temperature 70 °F -  
Max Temperature 77 °F 73 °F 82 °F (2007)
Min Temperature 66 °F 60 °F 48 °F (2004)
Cooling Degree Days 6    
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 63 °F    
Average Humidity 77    
Maximum Humidity 93    
Minimum Humidity 50    
Precipitation  
Precipitation 0.01 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.31 in    
Wind  
Wind Speed 4 mph (East)    
Max Wind Speed 12 mph    
Max Gust Speed -    
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. 25, 2012 Rise Set
Actual Time 5:59 AM EDT 7:23 PM EDT
Civil Twilight 5:30 AM EDT 7:52 PM EDT
Nautical Twilight 4:55 AM EDT 8:27 PM EDT
Astronomical Twilight 4:18 AM EDT 9:04 PM EDT
Moon 2:56 PM EDT (8/25) No Moon Set
Length of Visible Light 14h 22m
Length of Day
13h 24m
Waxing Gibbous, 62% of the Moon is Illuminated
Aug 25
Waxing Gibbous
Aug 31
Full
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 70.0 °F 68.0 °F 93% 30.24 in 8.0 mi East 3.5 mph - N/A   Clear
1:52 AM 70.0 °F 66.9 °F 90% 30.24 in 9.0 mi Calm Calm - N/A   Clear
2:52 AM 69.1 °F 66.0 °F 90% 30.25 in 10.0 mi Calm Calm - 0.01 in   Clear
3:52 AM 69.1 °F 66.0 °F 90% 30.25 in 10.0 mi Calm Calm - N/A   Clear
4:52 AM 66.0 °F 64.0 °F 93% 30.26 in 8.0 mi Calm Calm - N/A   Clear
5:52 AM 66.9 °F 64.9 °F 93% 30.28 in 10.0 mi Calm Calm - N/A   Clear
6:52 AM 68.0 °F 64.9 °F 90% 30.29 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:52 AM 71.1 °F 64.9 °F 81% 30.31 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:52 AM 73.0 °F 61.0 °F 66% 30.31 in 10.0 mi East 6.9 mph - N/A   Clear
9:52 AM 75.0 °F 59.0 °F 57% 30.33 in 10.0 mi East 9.2 mph - N/A   Clear
10:52 AM 75.9 °F 55.9 °F 50% 30.33 in 10.0 mi East 9.2 mph - N/A   Clear
12:52 PM 75.9 °F 59.0 °F 56% 30.33 in 10.0 mi ENE 9.2 mph - N/A   Clear
1:52 PM 75.9 °F 61.0 °F 60% 30.32 in 10.0 mi NE 9.2 mph - N/A   Clear
2:52 PM 75.9 °F 61.0 °F 60% 30.31 in 10.0 mi ENE 11.5 mph - N/A   Clear
3:52 PM 75.0 °F 61.0 °F 62% 30.31 in 10.0 mi ENE 10.4 mph - N/A   Clear
4:52 PM 75.0 °F 60.1 °F 60% 30.32 in 10.0 mi East 9.2 mph - N/A   Clear
5:52 PM 73.0 °F 63.0 °F 71% 30.32 in 10.0 mi ENE 10.4 mph - N/A   Clear
6:48 PM 71.6 °F 64.4 °F 78% 30.32 in 10.0 mi East 10.4 mph - N/A   Mostly Cloudy
6:52 PM 72.0 °F 64.0 °F 76% 30.32 in 10.0 mi East 9.2 mph - N/A   Mostly Cloudy
7:00 PM 71.6 °F 64.4 °F 78% 30.32 in 10.0 mi East 9.2 mph - N/A   Scattered Clouds
7:19 PM 71.6 °F 64.4 °F 78% 30.33 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy
7:39 PM 71.6 °F 64.4 °F 78% 30.33 in 10.0 mi East 5.8 mph - N/A   Scattered Clouds
7:47 PM 71.6 °F 64.4 °F 78% 30.33 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
7:52 PM 71.1 °F 64.9 °F 81% 30.33 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy
8:52 PM 70.0 °F 64.9 °F 84% 30.34 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
9:12 PM 69.8 °F 64.4 °F 83% 30.33 in 10.0 mi East 5.8 mph - N/A   Scattered Clouds
9:52 PM 69.1 °F 64.9 °F 87% 30.34 in 10.0 mi East 4.6 mph - N/A   Partly Cloudy
10:52 PM 69.1 °F 64.0 °F 84% 30.33 in 10.0 mi East 3.5 mph - N/A   Partly Cloudy
11:52 PM 68.0 °F 64.0 °F 87% 30.33 in 10.0 mi East 3.5 mph - N/A   Partly Cloudy