Weather History for Chatham, MA

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Tuesday, July 30, 2013

  Actual Average Record
Temperature  
Mean Temperature 72 °F -  
Max Temperature 81 °F 74 °F 90 °F (2002)
Min Temperature 66 °F 61 °F 52 °F (2001)
Cooling Degree Days 7    
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 64 °F    
Average Humidity 79    
Maximum Humidity 94    
Minimum Humidity 50    
Precipitation  
Precipitation 0.01 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 5 mph (West)    
Max Wind Speed 9 mph    
Max Gust Speed -    
Visibility 9 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

Jul. 30, 2013 Rise Set
Actual Time 5:32 AM EDT 7:59 PM EDT
Civil Twilight 5:00 AM EDT 8:31 PM EDT
Nautical Twilight 4:21 AM EDT 9:10 PM EDT
Astronomical Twilight 3:37 AM EDT 9:53 PM EDT
Moon No Moon Rise 2:16 PM EDT (7/30)
Length of Visible Light 15h 30m
Length of Day
14h 27m
Last Quarter, 41% of the Moon is Illuminated
Jul 30
Last Quarter
Aug 6
New
Aug 14
First Quarter
Aug 20
Full
Aug 28
Last 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 72.0 °F 69.1 °F 91% 30.04 in 10.0 mi SW 6.9 mph - N/A   Scattered Clouds
1:52 AM 72.0 °F 69.1 °F 91% 30.04 in 10.0 mi WSW 3.5 mph - N/A   Clear
2:52 AM 71.1 °F 68.0 °F 90% 30.04 in 10.0 mi WSW 3.5 mph - N/A   Clear
3:52 AM 69.1 °F 66.9 °F 93% 30.03 in 10.0 mi Calm Calm - N/A   Clear
4:43 AM 69.8 °F 66.2 °F 88% 30.03 in 10.0 mi Variable 6.9 mph - N/A   Partly Cloudy
4:52 AM 70.0 °F 66.9 °F 90% 30.04 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
5:05 AM 69.8 °F 66.2 °F 88% 30.03 in 7.0 mi NW 5.8 mph - N/A   Overcast
5:47 AM 66.2 °F 64.4 °F 94% 30.05 in 2.0 mi Variable 4.6 mph - N/A   Overcast
5:52 AM 66.9 °F 64.9 °F 93% 30.05 in 1.8 mi NNW 5.8 mph - N/A   Overcast
6:11 AM 66.2 °F 64.4 °F 94% 30.05 in 3.0 mi NNW 4.6 mph - N/A   Overcast
6:52 AM 66.9 °F 64.0 °F 90% 30.06 in 10.0 mi Variable 5.8 mph - 0.01 in   Overcast
7:13 AM 66.2 °F 64.4 °F 94% 30.06 in 10.0 mi NNW 4.6 mph - N/A   Scattered Clouds
7:52 AM 66.9 °F 64.0 °F 90% 30.07 in 10.0 mi NW 6.9 mph - N/A   Clear
8:52 AM 71.1 °F 61.0 °F 70% 30.07 in 10.0 mi NW 9.2 mph - N/A   Clear
9:52 AM 73.9 °F 60.1 °F 62% 30.09 in 10.0 mi Variable 6.9 mph - N/A   Clear
10:52 AM 75.0 °F 60.1 °F 60% 30.10 in 10.0 mi Variable 6.9 mph - N/A   Clear
11:52 AM 75.0 °F 60.1 °F 60% 30.09 in 10.0 mi NW 9.2 mph - N/A   Clear
12:52 PM 77.0 °F 59.0 °F 54% 30.09 in 10.0 mi NNW 6.9 mph - N/A   Clear
1:52 PM 78.1 °F 57.9 °F 50% 30.08 in 10.0 mi Variable 5.8 mph - N/A   Clear
2:52 PM 78.1 °F 57.9 °F 50% 30.07 in 10.0 mi Calm Calm - N/A   Clear
3:52 PM 77.0 °F 63.0 °F 62% 30.07 in 10.0 mi Variable 4.6 mph - N/A   Clear
4:52 PM 75.9 °F 61.0 °F 60% 30.07 in 10.0 mi South 6.9 mph - N/A   Clear
5:52 PM 73.9 °F 63.0 °F 68% 30.07 in 10.0 mi Variable 3.5 mph - N/A   Clear
6:52 PM 71.1 °F 63.0 °F 75% 30.08 in 10.0 mi SSE 3.5 mph - N/A   Clear
7:52 PM 70.0 °F 64.9 °F 84% 30.09 in 10.0 mi Calm Calm - N/A   Clear
8:52 PM 71.1 °F 64.9 °F 81% 30.10 in 10.0 mi WSW 3.5 mph - N/A   Partly Cloudy
9:52 PM 70.0 °F 66.0 °F 87% 30.11 in 10.0 mi SSW 4.6 mph - N/A   Clear
10:52 PM 70.0 °F 66.0 °F 87% 30.10 in 10.0 mi Calm Calm - N/A   Clear
11:52 PM 69.1 °F 64.9 °F 87% 30.09 in 10.0 mi Calm Calm - N/A   Overcast