Weather History for Chatham, MA

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Tuesday, October 11, 2011

  Actual Average Record
Temperature  
Mean Temperature 60 °F -  
Max Temperature 64 °F 60 °F 69 °F (2010)
Min Temperature 57 °F 46 °F 39 °F (1972)
Degree Days  
Heating Degree Days 4    
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 64    
Maximum Humidity 74    
Minimum Humidity 54    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.21 in    
Wind  
Wind Speed 8 mph (NE)    
Max Wind Speed 10 mph    
Max Gust Speed 17 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

Oct. 11, 2011 Rise Set
Actual Time 6:47 AM EDT 6:05 PM EDT
Civil Twilight 6:19 AM EDT 6:33 PM EDT
Nautical Twilight 5:47 AM EDT 7:05 PM EDT
Astronomical Twilight 5:15 AM EDT 7:37 PM EDT
Moon 5:34 PM EDT (10/11) 6:22 AM EDT (10/11)
Length of Visible Light 12h 13m
Length of Day
11h 18m
Full, 100% of the Moon is Illuminated
Oct 11
Full
Oct 11
Full
Oct 19
Last Quarter
Oct 26
New
Nov 2
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 64.9 °F 48.0 °F 54% 30.15 in 10.0 mi NNE 9.2 mph - N/A   Clear
1:52 AM 63.0 °F 50.0 °F 63% 30.16 in 10.0 mi NE 6.9 mph - N/A   Clear
2:52 AM 63.0 °F 48.0 °F 58% 30.16 in 10.0 mi NE 8.1 mph - N/A   Clear
3:52 AM 62.1 °F 48.0 °F 60% 30.17 in 10.0 mi NE 8.1 mph - N/A   Clear
4:52 AM 61.0 °F 48.0 °F 62% 30.17 in 10.0 mi NNE 6.9 mph - N/A   Clear
5:52 AM 61.0 °F 48.9 °F 64% 30.19 in 10.0 mi NNE 4.6 mph - N/A   Clear
7:52 AM 61.0 °F 48.0 °F 62% 30.22 in 10.0 mi ENE 8.1 mph - N/A   Clear
8:52 AM 61.0 °F 48.9 °F 64% 30.23 in 10.0 mi NE 9.2 mph - N/A   Clear
10:52 AM 63.0 °F 50.0 °F 63% 30.24 in 10.0 mi NE 10.4 mph - N/A   Clear
12:52 PM 64.0 °F 50.0 °F 60% 30.22 in 10.0 mi ENE 9.2 mph 17.3 mph N/A   Clear
1:52 PM 64.0 °F 48.9 °F 58% 30.22 in 10.0 mi ENE 8.1 mph - N/A   Clear
2:52 PM 62.1 °F 50.0 °F 65% 30.23 in 10.0 mi East 9.2 mph - N/A   Clear
4:52 PM 61.0 °F 48.9 °F 64% 30.22 in 10.0 mi ENE 6.9 mph - N/A   Clear
6:52 PM 57.0 °F 48.9 °F 74% 30.22 in 10.0 mi ENE 4.6 mph - N/A   Clear
7:52 PM 57.0 °F 48.9 °F 74% 30.24 in 10.0 mi ENE 4.6 mph - N/A   Clear
9:52 PM 57.9 °F 48.0 °F 70% 30.24 in 10.0 mi ENE 4.6 mph - N/A   Clear
10:52 PM 57.9 °F 46.9 °F 67% 30.25 in 10.0 mi ENE 5.8 mph - N/A   Clear
11:52 PM 57.9 °F 46.9 °F 67% 30.25 in 10.0 mi ENE 6.9 mph - N/A   Clear