Weather History for Chatham, MA

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Friday, May 31, 2013

  Actual Average Record
Temperature  
Mean Temperature 71 °F -  
Max Temperature 82 °F 63 °F 82 °F (2013)
Min Temperature 61 °F 49 °F 43 °F (2000)
Cooling Degree Days 6    
Growing Degree Days 21 (Base 50)    
Moisture  
Dew Point 63 °F    
Average Humidity 79    
Maximum Humidity 97    
Minimum Humidity 60    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.06 in    
Wind  
Wind Speed 5 mph (SW)    
Max Wind Speed 13 mph    
Max Gust Speed 21 mph    
Visibility 8 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

May. 31, 2013 Rise Set
Actual Time 5:08 AM EDT 8:07 PM EDT
Civil Twilight 4:35 AM EDT 8:40 PM EDT
Nautical Twilight 3:52 AM EDT 9:23 PM EDT
Astronomical Twilight 3:03 AM EDT 10:13 PM EDT
Moon 12:36 AM EDT (5/31) 12:24 PM EDT (5/31)
Length of Visible Light 16h 05m
Length of Day
14h 59m
Waning Gibbous, 51% of the Moon is Illuminated
May 31
Waning Gibbous
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Jun 23
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 63.0 °F - 60.1 °F 90% 30.08 in 8.0 mi SW 4.6 mph - N/A   Clear
1:52 AM 63.0 °F - 60.1 °F 90% 30.08 in 7.0 mi SW 5.8 mph - N/A   Clear
2:52 AM 62.1 °F - 60.1 °F 93% 30.07 in 6.0 mi Calm Calm - N/A   Clear
3:52 AM 62.1 °F - 60.1 °F 93% 30.07 in 6.0 mi SW 3.5 mph - N/A   Clear
4:52 AM 61.0 °F - 60.1 °F 97% 30.08 in 5.0 mi SW 3.5 mph - N/A   Clear
5:52 AM 62.1 °F - 61.0 °F 96% 30.09 in 4.0 mi Calm Calm - N/A   Clear
6:52 AM 66.9 °F - 63.0 °F 87% 30.10 in 7.0 mi Calm Calm - N/A   Clear
7:52 AM 70.0 °F - 63.0 °F 78% 30.10 in 9.0 mi SSW 3.5 mph - N/A   Clear
8:52 AM 73.0 °F - 64.9 °F 76% 30.11 in 8.0 mi SSW 3.5 mph - N/A   Clear
9:52 AM 75.9 °F - 64.9 °F 69% 30.10 in 10.0 mi Calm Calm - N/A   Clear
10:52 AM 75.0 °F - 64.9 °F 71% 30.09 in 9.0 mi SSW 4.6 mph - N/A   Clear
11:52 AM 75.9 °F - 64.9 °F 69% 30.09 in 7.0 mi SW 6.9 mph - N/A   Clear
12:52 PM 79.0 °F - 66.0 °F 64% 30.08 in 8.0 mi Variable 5.8 mph - N/A   Clear
1:52 PM 81.0 °F 83.0 °F 66.0 °F 60% 30.07 in 9.0 mi SW 12.7 mph 17.3 mph N/A   Clear
2:52 PM 79.0 °F - 64.9 °F 62% 30.05 in 10.0 mi Variable 4.6 mph - N/A   Clear
3:52 PM 75.0 °F - 64.0 °F 69% 30.04 in 9.0 mi SW 9.2 mph - N/A   Clear
4:52 PM 73.0 °F - 63.0 °F 71% 30.03 in 9.0 mi SW 6.9 mph 16.1 mph N/A   Clear
5:52 PM 72.0 °F - 63.0 °F 73% 30.02 in 9.0 mi SW 5.8 mph - N/A   Clear
6:52 PM 68.0 °F - 62.1 °F 81% 30.01 in 7.0 mi SW 5.8 mph - N/A   Clear
7:52 PM 64.9 °F - 62.1 °F 90% 30.01 in 6.0 mi SW 8.1 mph - N/A   Clear
8:52 PM 66.9 °F - 62.1 °F 84% 30.02 in 10.0 mi SW 8.1 mph 17.3 mph N/A   Clear
9:52 PM 68.0 °F - 61.0 °F 78% 30.02 in 10.0 mi WSW 10.4 mph 20.7 mph N/A   Clear
10:52 PM 66.9 °F - 61.0 °F 81% 30.02 in 10.0 mi Variable 6.9 mph 18.4 mph N/A   Clear
11:52 PM 66.0 °F - 61.0 °F 84% 30.02 in 10.0 mi WSW 9.2 mph - N/A   Clear