Weather History for Chatham, MA

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Saturday, December 8, 2012

  Actual Average Record
Temperature  
Mean Temperature 50 °F -  
Max Temperature 55 °F 44 °F 59 °F (2011)
Min Temperature 46 °F 31 °F 16 °F (2008)
Degree Days  
Heating Degree Days 14    
Moisture  
Dew Point 48 °F    
Average Humidity 97    
Maximum Humidity 100    
Minimum Humidity 93    
Precipitation  
Precipitation 0.43 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 3 mph (SW)    
Max Wind Speed 10 mph    
Max Gust Speed 22 mph    
Visibility 5 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

Dec. 08, 2012 Rise Set
Actual Time 6:54 AM EST 4:09 PM EST
Civil Twilight 6:23 AM EST 4:40 PM EST
Nautical Twilight 5:48 AM EST 5:15 PM EST
Astronomical Twilight 5:14 AM EST 5:49 PM EST
Moon 1:12 AM EST (12/8) 12:40 PM EST (12/8)
Length of Visible Light 10h 17m
Length of Day
9h 14m
Waning Crescent, 28% of the Moon is Illuminated
Dec 8
Waning Crescent
Dec 13
New
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:31 AM 46.4 °F - 44.6 °F 93% 30.06 in 10.0 mi Calm Calm - N/A   Overcast
12:52 AM 46.0 °F - 45.0 °F 96% 30.07 in 8.0 mi Calm Calm - 0.00 in Rain Light Rain
1:20 AM 46.4 °F - 44.6 °F 93% 30.06 in 5.0 mi Calm Calm - 0.01 in Rain Light Rain
1:52 AM 46.0 °F - 45.0 °F 96% 30.06 in 5.0 mi Calm Calm - 0.01 in Rain Light Rain
2:13 AM 46.4 °F - 46.4 °F 100% 30.05 in 4.0 mi Calm Calm - 0.00 in   Overcast
2:23 AM 46.4 °F - 46.4 °F 100% 30.05 in 3.0 mi Calm Calm - 0.01 in Rain Light Rain
2:52 AM 46.9 °F - 46.0 °F 97% 30.05 in 3.0 mi Calm Calm - 0.02 in Rain Light Rain
3:52 AM 46.9 °F - 46.0 °F 97% 30.04 in 4.0 mi Calm Calm - 0.03 in Rain Light Rain
4:52 AM 48.0 °F - 46.9 °F 96% 30.03 in 5.0 mi Calm Calm - 0.07 in Rain Light Rain
5:52 AM 48.0 °F - 46.9 °F 96% 30.03 in 5.0 mi Calm Calm - 0.07 in Rain Light Rain
6:52 AM 48.9 °F - 48.0 °F 97% 30.02 in 4.0 mi SE 3.5 mph - 0.11 in Rain Rain
7:52 AM 50.0 °F - 48.9 °F 96% 29.99 in 4.0 mi ESE 6.9 mph - 0.10 in Rain Light Rain
8:52 AM 50.0 °F - 48.9 °F 96% 29.96 in 7.0 mi ESE 6.9 mph - 0.01 in   Overcast
9:52 AM 51.1 °F - 51.1 °F 100% 29.94 in 3.0 mi SE 5.8 mph - 0.00 in   Overcast
9:59 AM 51.8 °F - 51.8 °F 100% 29.92 in 2.0 mi SE 8.1 mph - 0.01 in Rain Light Rain
10:14 AM 53.6 °F - 51.8 °F 94% 29.91 in 4.0 mi SSE 9.2 mph 17.3 mph 0.01 in   Overcast
10:27 AM 53.6 °F - 53.6 °F 100% 29.91 in 2.0 mi SSE 10.4 mph 19.6 mph 0.01 in   Overcast
10:52 AM 54.0 °F - 53.1 °F 97% 29.89 in 5.0 mi South 8.1 mph 21.9 mph 0.01 in   Overcast
11:52 AM 55.0 °F - 55.0 °F 100% 29.86 in 10.0 mi South 8.1 mph 20.7 mph N/A   Overcast
12:08 PM 55.4 °F - 53.6 °F 94% 29.85 in 10.0 mi Variable 5.8 mph - N/A   Overcast
12:41 PM 53.6 °F - 51.8 °F 94% 29.84 in 10.0 mi SSW 5.8 mph - N/A   Overcast
12:52 PM 53.1 °F - 52.0 °F 96% 29.84 in 10.0 mi Variable 5.8 mph - N/A   Overcast
1:28 PM 53.6 °F - 51.8 °F 94% 29.83 in 2.0 mi SW 6.9 mph - N/A   Overcast
1:35 PM 53.6 °F - 51.8 °F 94% 29.83 in 1.2 mi SW 4.6 mph - N/A   Overcast
1:52 PM 53.1 °F - 52.0 °F 96% 29.84 in 1.0 mi SW 5.8 mph - N/A   Overcast
2:06 PM 53.6 °F - 51.8 °F 94% 29.84 in 2.5 mi WSW 5.8 mph - N/A   Overcast
2:25 PM 53.6 °F - 51.8 °F 94% 29.84 in 1.5 mi NW 5.8 mph - N/A   Overcast
2:38 PM 51.8 °F - 51.8 °F 100% 29.85 in 2.5 mi NW 5.8 mph - N/A   Overcast
2:48 PM 51.8 °F - 50.0 °F 94% 29.85 in 4.0 mi WNW 5.8 mph - N/A   Overcast
2:52 PM 51.1 °F - 50.0 °F 96% 29.86 in 4.0 mi NW 4.6 mph - N/A   Overcast
3:52 PM 48.9 °F - 48.0 °F 97% 29.87 in 4.0 mi NW 5.8 mph - N/A   Overcast
4:15 PM 48.2 °F - 48.2 °F 100% 29.87 in 2.5 mi NW 3.5 mph - N/A   Overcast
4:27 PM 48.2 °F - 46.4 °F 93% 29.88 in 4.0 mi NW 3.5 mph - N/A   Overcast
4:52 PM 48.0 °F - 46.9 °F 96% 29.88 in 6.0 mi Variable 3.5 mph - N/A   Overcast
5:29 PM 48.2 °F - 46.4 °F 93% 29.89 in 2.5 mi Variable 3.5 mph - N/A   Overcast
5:39 PM 46.4 °F 44.3 °F 46.4 °F 100% 29.90 in 1.0 mi Variable 4.6 mph - N/A   Overcast
5:52 PM 46.9 °F - 46.0 °F 97% 29.90 in 1.5 mi Variable 3.5 mph - N/A   Overcast
6:03 PM 46.4 °F 43.5 °F 46.4 °F 100% 29.90 in 2.0 mi WNW 5.8 mph - N/A   Overcast
7:29 PM 46.4 °F - 46.4 °F 100% 29.92 in 6.0 mi Calm Calm - N/A   Overcast
7:44 PM 46.4 °F - 44.6 °F 93% 29.92 in 8.0 mi Calm Calm - N/A   Overcast
7:52 PM 46.9 °F - 45.0 °F 93% 29.93 in 8.0 mi West 3.5 mph - N/A   Overcast
8:22 PM 46.4 °F - 46.4 °F 100% 29.93 in 5.0 mi Calm Calm - N/A   Overcast
8:40 PM 46.4 °F - 46.4 °F 100% 29.93 in 6.0 mi Calm Calm - N/A   Overcast
8:52 PM 46.9 °F - 46.0 °F 97% 29.94 in 7.0 mi Variable 3.5 mph - N/A   Overcast
9:27 PM 46.4 °F - 46.4 °F 100% 29.94 in 6.0 mi Calm Calm - N/A   Overcast
9:39 PM 46.4 °F - 46.4 °F 100% 29.94 in 7.0 mi Calm Calm - N/A   Overcast
9:52 PM 46.9 °F - 46.9 °F 100% 29.95 in 7.0 mi Calm Calm - N/A   Overcast
10:04 PM 46.4 °F - 46.4 °F 100% 29.95 in 6.0 mi Calm Calm - N/A   Overcast
10:37 PM 46.4 °F 45.2 °F 46.4 °F 100% 29.95 in 5.0 mi SSW 3.5 mph - N/A   Overcast
10:52 PM 46.9 °F - 46.0 °F 97% 29.97 in 5.0 mi WSW 3.5 mph - N/A   Overcast