Weather History for Chatham, MA

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Tuesday, May 14, 2013

  Actual Average Record
Temperature  
Mean Temperature 52 °F -  
Max Temperature 55 °F 59 °F 69 °F (1991)
Min Temperature 46 °F 44 °F 37 °F (1999)
Degree Days  
Heating Degree Days 14    
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 35 °F    
Average Humidity 55    
Maximum Humidity 68    
Minimum Humidity 38    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 7 mph (NW)    
Max Wind Speed 13 mph    
Max Gust Speed 21 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

May. 14, 2013 Rise Set
Actual Time 5:21 AM EDT 7:52 PM EDT
Civil Twilight 4:49 AM EDT 8:23 PM EDT
Nautical Twilight 4:10 AM EDT 9:03 PM EDT
Astronomical Twilight 3:26 AM EDT 9:47 PM EDT
Moon 8:57 AM EDT (5/14) 11:36 PM EDT (5/14)
Length of Visible Light 15h 34m
Length of Day
14h 30m
Waxing Crescent, 19% of the Moon is Illuminated
May 14
Waxing Crescent
May 18
First Quarter
May 25
Full
May 31
Last Quarter
Jun 8
New

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 50.0 °F 30.9 °F 48% 29.99 in 10.0 mi NNW 8.1 mph - N/A   Overcast
1:52 AM 50.0 °F 32.0 °F 50% 29.99 in 10.0 mi NNW 9.2 mph 16.1 mph N/A   Overcast
2:52 AM 48.9 °F 33.1 °F 54% 29.99 in 10.0 mi NNW 8.1 mph - N/A   Overcast
3:52 AM 48.9 °F 34.0 °F 56% 29.98 in 10.0 mi NNW 6.9 mph - N/A   Overcast
4:52 AM 48.9 °F 35.1 °F 59% 29.97 in 10.0 mi Variable 4.6 mph - N/A   Overcast
5:52 AM 48.9 °F 32.0 °F 52% 29.98 in 10.0 mi Variable 3.5 mph - N/A   Overcast
6:52 AM 48.9 °F 33.1 °F 54% 30.00 in 10.0 mi NNW 4.6 mph - N/A   Overcast
7:52 AM 48.9 °F 35.1 °F 59% 30.01 in 10.0 mi Variable 5.8 mph - 0.00 in   Overcast
8:52 AM 48.9 °F 35.1 °F 59% 30.02 in 10.0 mi North 8.1 mph 19.6 mph N/A   Overcast
9:52 AM 51.1 °F 34.0 °F 52% 30.02 in 10.0 mi NNE 9.2 mph - N/A   Overcast
10:52 AM 52.0 °F 32.0 °F 47% 30.03 in 10.0 mi NNE 12.7 mph 18.4 mph N/A   Mostly Cloudy
11:52 AM 53.1 °F 33.1 °F 47% 30.03 in 10.0 mi NNE 6.9 mph - N/A   Mostly Cloudy
12:52 PM 55.0 °F 30.9 °F 40% 30.03 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
1:52 PM 52.0 °F 35.1 °F 53% 30.03 in 10.0 mi Variable 3.5 mph - N/A   Overcast
2:52 PM 54.0 °F 28.9 °F 38% 30.02 in 10.0 mi Calm Calm - N/A   Overcast
3:52 PM 50.0 °F 35.1 °F 57% 30.03 in 10.0 mi SSE 5.8 mph - N/A   Overcast
4:52 PM 53.1 °F 37.9 °F 57% 30.01 in 10.0 mi SW 10.4 mph 19.6 mph 0.00 in   Mostly Cloudy
5:52 PM 52.0 °F 39.9 °F 63% 30.00 in 10.0 mi SSW 10.4 mph 19.6 mph N/A   Scattered Clouds
6:52 PM 52.0 °F 37.9 °F 59% 30.00 in 10.0 mi WSW 8.1 mph 20.7 mph N/A   Scattered Clouds
7:52 PM 51.1 °F 39.9 °F 66% 30.01 in 10.0 mi WSW 8.1 mph - N/A   Scattered Clouds
9:52 PM 50.0 °F 39.9 °F 68% 30.04 in 10.0 mi West 5.8 mph - N/A   Overcast
10:52 PM 50.0 °F 39.0 °F 66% 30.04 in 10.0 mi West 3.5 mph - N/A   Overcast
11:52 PM 46.9 °F 37.0 °F 68% 30.05 in 10.0 mi Calm Calm - N/A   Clear