Weather History for Chatham, MA

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Saturday, January 12, 2013

  Actual Average Record
Temperature  
Mean Temperature 42 °F -  
Max Temperature 46 °F 35 °F 54 °F (1975)
Min Temperature 37 °F 22 °F -2 °F (1981)
Degree Days  
Heating Degree Days 24    
Moisture  
Dew Point 39 °F    
Average Humidity 89    
Maximum Humidity 100    
Minimum Humidity 76    
Precipitation  
Precipitation 0.04 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.19 in    
Wind  
Wind Speed 3 mph (SE)    
Max Wind Speed 6 mph    
Max Gust Speed -    
Visibility 9 miles    
Events Rain    
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

Jan. 12, 2013 Rise Set
Actual Time 7:05 AM EST 4:31 PM EST
Civil Twilight 6:34 AM EST 5:02 PM EST
Nautical Twilight 6:00 AM EST 5:36 PM EST
Astronomical Twilight 5:27 AM EST 6:10 PM EST
Moon 7:20 AM EST (1/12) 5:58 PM EST (1/12)
Length of Visible Light 10h 27m
Length of Day
9h 25m
New Moon, 1% of the Moon is Illuminated
Jan 12
New Moon
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 39.9 °F - 37.0 °F 89% 30.26 in 10.0 mi Calm Calm - 0.01 in Rain Light Rain
1:38 AM 39.2 °F 37.0 °F 35.6 °F 87% 30.24 in 4.0 mi SE 3.5 mph - 0.02 in Rain Light Rain
1:50 AM 39.2 °F - 37.4 °F 93% 30.25 in 5.0 mi Calm Calm - 0.02 in Rain Light Rain
1:52 AM 39.0 °F - 37.0 °F 93% 30.25 in 5.0 mi Calm Calm - 0.02 in Rain Light Rain
2:19 AM 39.2 °F 37.0 °F 37.4 °F 93% 30.23 in 8.0 mi SE 3.5 mph - 0.00 in Rain Light Rain
2:47 AM 39.2 °F 37.0 °F 39.2 °F 100% 30.20 in 6.0 mi SSE 3.5 mph - 0.01 in   Overcast
2:52 AM 39.9 °F 37.8 °F 39.0 °F 97% 30.21 in 7.0 mi SE 3.5 mph - 0.01 in   Overcast
3:11 AM 41.0 °F 39.0 °F 39.2 °F 93% 30.20 in 10.0 mi SE 3.5 mph - N/A   Overcast
3:21 AM 41.0 °F - 39.2 °F 93% 30.20 in 10.0 mi Calm Calm - N/A   Overcast
3:28 AM 41.0 °F 38.0 °F 39.2 °F 93% 30.20 in 10.0 mi SE 4.6 mph - N/A   Overcast
3:52 AM 41.0 °F 37.1 °F 39.0 °F 93% 30.20 in 10.0 mi SE 5.8 mph - N/A   Overcast
4:41 AM 41.0 °F 39.0 °F 37.4 °F 87% 30.17 in 10.0 mi ESE 3.5 mph - N/A   Overcast
4:52 AM 42.1 °F 39.2 °F 37.9 °F 85% 30.18 in 10.0 mi ESE 4.6 mph - N/A   Overcast
5:52 AM 42.1 °F 38.4 °F 39.0 °F 89% 30.18 in 10.0 mi SE 5.8 mph - N/A   Overcast
6:52 AM 42.1 °F 39.2 °F 39.0 °F 89% 30.18 in 10.0 mi SE 4.6 mph - N/A   Overcast
7:10 AM 42.8 °F 39.3 °F 39.2 °F 87% 30.17 in 10.0 mi SE 5.8 mph - N/A   Overcast
7:30 AM 42.8 °F 39.3 °F 39.2 °F 87% 30.17 in 10.0 mi SE 5.8 mph - N/A   Overcast
7:52 AM 43.0 °F 39.5 °F 41.0 °F 93% 30.19 in 10.0 mi ESE 5.8 mph - N/A   Overcast
8:17 AM 42.8 °F 39.3 °F 41.0 °F 93% 30.17 in 10.0 mi ESE 5.8 mph - N/A   Overcast
8:52 AM 44.1 °F 40.8 °F 42.1 °F 93% 30.20 in 10.0 mi ESE 5.8 mph - N/A   Overcast
9:26 AM 44.6 °F 42.2 °F 41.0 °F 87% 30.19 in 10.0 mi ESE 4.6 mph - N/A   Overcast
9:52 AM 45.0 °F 41.8 °F 41.0 °F 86% 30.20 in 10.0 mi ESE 5.8 mph - N/A   Overcast
10:52 AM 45.0 °F 42.6 °F 41.0 °F 86% 30.19 in 10.0 mi ESE 4.6 mph - N/A   Overcast
12:52 PM 46.0 °F 43.1 °F 39.9 °F 79% 30.15 in 10.0 mi ESE 5.8 mph - N/A   Overcast
1:52 PM 46.0 °F 43.1 °F 39.0 °F 76% 30.15 in 10.0 mi ESE 5.8 mph - N/A   Overcast
2:52 PM 45.0 °F 42.6 °F 39.9 °F 82% 30.19 in 10.0 mi ESE 4.6 mph - N/A   Overcast
3:52 PM 45.0 °F - 39.9 °F 82% 30.17 in 10.0 mi Calm Calm - N/A   Overcast
4:52 PM 45.0 °F - 39.9 °F 82% 30.17 in 10.0 mi Calm Calm - N/A   Overcast
5:52 PM 44.1 °F - 39.9 °F 85% 30.15 in 10.0 mi Calm Calm - N/A   Overcast
6:52 PM 42.1 °F - 39.0 °F 89% 30.18 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:52 PM 39.0 °F - 37.0 °F 93% 30.17 in 10.0 mi Calm Calm - N/A   Overcast
8:25 PM 39.2 °F - 37.4 °F 93% 30.16 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:52 PM 37.9 °F - 36.0 °F 93% 30.16 in 10.0 mi Calm Calm - N/A   Clear
9:52 PM 37.9 °F - 35.1 °F 89% 30.16 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:39 PM 39.2 °F - 37.4 °F 93% 30.16 in 9.0 mi Calm Calm - N/A   Overcast
10:52 PM 39.9 °F - 37.9 °F 93% 30.17 in 9.0 mi Calm Calm - N/A   Overcast
11:52 PM 42.1 °F - 41.0 °F 96% 30.15 in 10.0 mi Calm Calm - N/A   Overcast