Weather History for Chatham, MA

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Sunday, July 8, 2012

  Actual Average Record
Temperature  
Mean Temperature 77 °F -  
Max Temperature 86 °F 75 °F 86 °F (2012)
Min Temperature 70 °F 60 °F 55 °F (1984)
Cooling Degree Days 12    
Growing Degree Days 27 (Base 50)    
Moisture  
Dew Point 65 °F    
Average Humidity 68    
Maximum Humidity 84    
Minimum Humidity 46    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.81 in    
Wind  
Wind Speed 4 mph (SW)    
Max Wind Speed 9 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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Astronomy

Jul. 08, 2012 Rise Set
Actual Time 5:13 AM EDT 8:16 PM EDT
Civil Twilight 4:40 AM EDT 8:49 PM EDT
Nautical Twilight 3:57 AM EDT 9:32 PM EDT
Astronomical Twilight 3:06 AM EDT 10:22 PM EDT
Moon 10:56 PM EDT (7/8) 10:42 AM EDT (7/8)
Length of Visible Light 16h 09m
Length of Day
15h 02m
Waning Gibbous, 73% of the Moon is Illuminated
Jul 8
Waning Gibbous
Jul 10
Last Quarter
Jul 19
New
Jul 26
First Quarter
Aug 1
Full

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 73.0 °F - 64.9 °F 76% 29.77 in 10.0 mi Variable 3.5 mph - N/A   Clear
1:52 AM 72.0 °F - 64.9 °F 78% 29.77 in 10.0 mi Variable 4.6 mph - N/A   Clear
2:52 AM 72.0 °F - 64.9 °F 78% 29.77 in 10.0 mi NW 4.6 mph - N/A   Clear
3:52 AM 71.1 °F - 64.9 °F 81% 29.77 in 10.0 mi Variable 3.5 mph - N/A   Clear
4:52 AM 70.0 °F - 64.9 °F 84% 29.78 in 10.0 mi Variable 3.5 mph - N/A   Clear
5:52 AM 70.0 °F - 64.9 °F 84% 29.80 in 10.0 mi Variable 3.5 mph - N/A   Clear
6:52 AM 73.0 °F - 66.0 °F 79% 29.81 in 10.0 mi Variable 5.8 mph - N/A   Clear
7:52 AM 75.9 °F - 64.9 °F 69% 29.81 in 10.0 mi Variable 4.6 mph - N/A   Clear
8:52 AM 79.0 °F - 64.9 °F 62% 29.82 in 10.0 mi Variable 5.8 mph - N/A   Clear
9:52 AM 80.1 °F 81.7 °F 64.0 °F 58% 29.83 in 10.0 mi Variable 6.9 mph - N/A   Clear
10:52 AM 82.9 °F 84.0 °F 63.0 °F 51% 29.83 in 10.0 mi WNW 4.6 mph - N/A   Clear
11:52 AM 84.0 °F 84.5 °F 62.1 °F 47% 29.83 in 10.0 mi Variable 4.6 mph - N/A   Clear
12:52 PM 84.0 °F 84.4 °F 61.0 °F 46% 29.83 in 10.0 mi Variable 3.5 mph - N/A   Clear
1:52 PM 84.9 °F 86.1 °F 64.0 °F 49% 29.82 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
2:52 PM 84.0 °F 85.8 °F 64.9 °F 53% 29.82 in 10.0 mi SSW 8.1 mph - N/A   Clear
3:52 PM 84.0 °F 86.5 °F 66.9 °F 56% 29.81 in 10.0 mi SSW 5.8 mph - N/A   Partly Cloudy
4:52 PM 81.0 °F 82.7 °F 64.9 °F 58% 29.81 in 10.0 mi SSW 6.9 mph - N/A   Clear
5:52 PM 77.0 °F - 64.9 °F 66% 29.81 in 10.0 mi SW 9.2 mph - N/A   Partly Cloudy
6:52 PM 77.0 °F - 66.9 °F 71% 29.80 in 10.0 mi SSW 4.6 mph - N/A   Scattered Clouds
8:52 PM 73.9 °F - 68.0 °F 82% 29.82 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
9:52 PM 73.0 °F - 66.0 °F 79% 29.83 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:52 PM 73.0 °F - 64.9 °F 76% 29.84 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:52 PM 72.0 °F - 64.9 °F 78% 29.85 in 10.0 mi Calm Calm - N/A   Partly Cloudy