Weather History for Chatham, MA

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Tuesday, July 16, 2013

  Actual Average Record
Temperature  
Mean Temperature 79 °F -  
Max Temperature 88 °F 75 °F 88 °F (2013)
Min Temperature 70 °F 61 °F 57 °F (1984)
Cooling Degree Days 14    
Growing Degree Days 29 (Base 50)    
Moisture  
Dew Point 68 °F    
Average Humidity 72    
Maximum Humidity 94    
Minimum Humidity 51    
Precipitation  
Precipitation 0.01 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.13 in    
Wind  
Wind Speed 3 mph (NNE)    
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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Date:

Astronomy

Jul. 16, 2013 Rise Set
Actual Time 5:19 AM EDT 8:12 PM EDT
Civil Twilight 4:46 AM EDT 8:44 PM EDT
Nautical Twilight 4:05 AM EDT 9:26 PM EDT
Astronomical Twilight 3:16 AM EDT 10:14 PM EDT
Moon 1:48 PM EDT (7/16) No Moon Set
Length of Visible Light 15h 58m
Length of Day
14h 52m
First Quarter, 56% of the Moon is Illuminated
Jul 16
First Quarter
Jul 22
Full
Jul 29
Last Quarter
Aug 6
New
Aug 14
First Quarter

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 75.9 °F - 73.0 °F 91% 30.11 in 8.0 mi Calm Calm - N/A   Overcast
1:52 AM 75.0 °F - 73.0 °F 94% 30.11 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
2:52 AM 73.9 °F - 72.0 °F 93% 30.10 in 7.0 mi Calm Calm - N/A   Partly Cloudy
3:52 AM 73.9 °F - 71.1 °F 91% 30.09 in 10.0 mi NW 3.5 mph - N/A   Clear
4:52 AM 75.0 °F - 70.0 °F 84% 30.09 in 10.0 mi NW 4.6 mph - 0.01 in   Clear
5:52 AM 75.0 °F - 69.1 °F 82% 30.11 in 10.0 mi NW 4.6 mph - N/A   Mostly Cloudy
6:52 AM 77.0 °F - 68.0 °F 74% 30.12 in 10.0 mi Variable 6.9 mph - N/A   Mostly Cloudy
7:52 AM 79.0 °F - 68.0 °F 69% 30.13 in 10.0 mi Variable 4.6 mph - N/A   Clear
8:52 AM 82.9 °F 85.8 °F 68.0 °F 60% 30.13 in 10.0 mi Variable 4.6 mph - N/A   Clear
9:52 AM 84.9 °F 88.8 °F 69.1 °F 59% 30.13 in 10.0 mi Variable 3.5 mph - N/A   Clear
10:52 AM 87.1 °F 89.9 °F 66.9 °F 51% 30.13 in 10.0 mi NE 5.8 mph - N/A   Clear
11:52 AM 88.0 °F 91.4 °F 68.0 °F 51% 30.12 in 10.0 mi Variable 4.6 mph - N/A   Clear
12:52 PM 87.1 °F 91.3 °F 69.1 °F 55% 30.13 in 10.0 mi Variable 4.6 mph - N/A   Clear
1:52 PM 84.9 °F 88.2 °F 68.0 °F 57% 30.13 in 10.0 mi NE 9.2 mph - N/A   Clear
2:52 PM 82.9 °F 85.4 °F 66.9 °F 58% 30.13 in 10.0 mi NE 9.2 mph - N/A   Clear
3:52 PM 82.9 °F 85.4 °F 66.9 °F 58% 30.12 in 10.0 mi NE 8.1 mph - N/A   Clear
4:52 PM 81.0 °F 83.0 °F 66.0 °F 60% 30.13 in 10.0 mi NE 8.1 mph - N/A   Clear
5:52 PM 78.1 °F - 66.0 °F 66% 30.13 in 10.0 mi NE 9.2 mph - N/A   Clear
6:52 PM 78.1 °F - 66.0 °F 66% 30.14 in 10.0 mi Variable 4.6 mph - N/A   Clear
7:52 PM 75.0 °F - 64.9 °F 71% 30.14 in 10.0 mi Calm Calm - N/A   Clear
8:52 PM 73.0 °F - 64.9 °F 76% 30.15 in 10.0 mi Calm Calm - N/A   Clear
9:52 PM 71.1 °F - 66.0 °F 84% 30.16 in 10.0 mi Calm Calm - N/A   Clear
10:52 PM 70.0 °F - 66.0 °F 87% 30.17 in 10.0 mi Calm Calm - N/A   Clear
11:52 PM 71.1 °F - 66.0 °F 84% 30.17 in 10.0 mi NNW 3.5 mph - N/A   Clear