Weather History for Chatham, MA

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Wednesday, October 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 57 °F -  
Max Temperature 61 °F 54 °F 64 °F (1984)
Min Temperature 53 °F 41 °F 30 °F (2008)
Degree Days  
Heating Degree Days 8    
Growing Degree Days 7 (Base 50)    
Moisture  
Dew Point 51 °F    
Average Humidity 82    
Maximum Humidity 94    
Minimum Humidity 69    
Precipitation  
Precipitation 0.02 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.56 in    
Wind  
Wind Speed 7 mph (SSW)    
Max Wind Speed 10 mph    
Max Gust Speed 22 mph    
Visibility 10 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

Oct. 31, 2012 Rise Set
Actual Time 7:11 AM EDT 5:35 PM EDT
Civil Twilight 6:42 AM EDT 6:03 PM EDT
Nautical Twilight 6:09 AM EDT 6:36 PM EDT
Astronomical Twilight 5:37 AM EDT 7:09 PM EDT
Moon 6:42 PM EDT (10/31) 8:51 AM EDT (10/31)
Length of Visible Light 11h 21m
Length of Day
10h 23m
Full, 97% of the Moon is Illuminated
Oct 31
Full
Nov 6
Last Quarter
Nov 13
New
Nov 20
First Quarter
Nov 28
Full

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 61.0 °F 53.1 °F 75% 29.53 in 10.0 mi SE 8.1 mph - 0.00 in   Partly Cloudy
1:52 AM 59.0 °F 55.0 °F 87% 29.52 in 10.0 mi SE 8.1 mph - N/A   Clear
2:52 AM 60.1 °F 55.9 °F 86% 29.52 in 10.0 mi SSE 10.4 mph - N/A   Clear
3:52 AM 59.0 °F 55.9 °F 90% 29.54 in 10.0 mi SSE 10.4 mph 21.9 mph 0.00 in Rain Light Rain
4:52 AM 59.0 °F 55.9 °F 90% 29.51 in 10.0 mi SSE 9.2 mph 17.3 mph 0.01 in   Clear
5:52 AM 57.9 °F 55.0 °F 90% 29.52 in 10.0 mi South 8.1 mph - N/A   Clear
6:52 AM 57.0 °F 55.0 °F 93% 29.53 in 10.0 mi SSW 4.6 mph - N/A   Clear
7:49 AM 57.2 °F 55.4 °F 94% 29.54 in 10.0 mi SSW 4.6 mph - 0.01 in   Mostly Cloudy
7:52 AM 57.9 °F 55.9 °F 93% 29.54 in 10.0 mi SSW 4.6 mph - 0.01 in   Mostly Cloudy
8:01 AM 57.2 °F 55.4 °F 94% 29.54 in 10.0 mi SSW 5.8 mph - N/A   Scattered Clouds
8:52 AM 57.9 °F 55.0 °F 90% 29.55 in 10.0 mi SW 4.6 mph - N/A   Overcast
9:52 AM 60.1 °F 54.0 °F 80% 29.56 in 10.0 mi WSW 5.8 mph - N/A   Clear
10:37 AM 59.0 °F 51.8 °F 77% 29.57 in 10.0 mi SW 6.9 mph - N/A   Overcast
10:49 AM 59.0 °F 51.8 °F 77% 29.57 in 10.0 mi WSW 6.9 mph - N/A   Overcast
10:52 AM 59.0 °F 51.1 °F 75% 29.57 in 10.0 mi WSW 6.9 mph - N/A   Overcast
11:05 AM 57.2 °F 51.8 °F 82% 29.58 in 10.0 mi SW 8.1 mph - N/A   Overcast
11:38 AM 55.4 °F 51.8 °F 88% 29.57 in 4.0 mi Variable 4.6 mph - 0.00 in Rain Light Rain
11:52 AM 55.0 °F 51.1 °F 86% 29.58 in 8.0 mi Variable 4.6 mph - 0.00 in   Overcast
12:52 PM 57.0 °F 50.0 °F 77% 29.57 in 10.0 mi WSW 5.8 mph - 0.00 in   Overcast
1:52 PM 59.0 °F 48.9 °F 69% 29.55 in 10.0 mi Variable 6.9 mph - N/A   Mostly Cloudy
2:52 PM 57.0 °F 48.9 °F 74% 29.56 in 10.0 mi SSW 6.9 mph - N/A   Overcast
3:10 PM 55.4 °F 50.0 °F 82% 29.56 in 10.0 mi WSW 8.1 mph 16.1 mph N/A   Overcast
3:27 PM 53.6 °F 51.8 °F 94% 29.57 in 6.0 mi WSW 6.9 mph - 0.00 in Rain Light Rain
3:52 PM 53.1 °F 51.1 °F 93% 29.57 in 10.0 mi SW 4.6 mph - 0.00 in   Overcast
4:03 PM 53.6 °F 50.0 °F 88% 29.57 in 10.0 mi WSW 3.5 mph - N/A   Overcast
4:52 PM 54.0 °F 48.9 °F 83% 29.57 in 10.0 mi SW 6.9 mph - N/A   Overcast
5:52 PM 53.1 °F 46.9 °F 80% 29.57 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
6:52 PM 54.0 °F 46.0 °F 75% 29.59 in 10.0 mi SW 5.8 mph - N/A   Overcast
7:52 PM 53.1 °F 45.0 °F 74% 29.59 in 10.0 mi SW 4.6 mph - N/A   Scattered Clouds
8:52 PM 54.0 °F 45.0 °F 72% 29.60 in 10.0 mi SW 6.9 mph - N/A   Scattered Clouds
9:44 PM 55.4 °F 46.4 °F 72% 29.60 in 10.0 mi SW 9.2 mph 16.1 mph N/A   Overcast
9:52 PM 55.0 °F 45.0 °F 69% 29.60 in 10.0 mi SW 10.4 mph 16.1 mph N/A   Overcast
10:52 PM 54.0 °F 46.0 °F 75% 29.60 in 10.0 mi Variable 4.6 mph - N/A   Overcast
11:52 PM 54.0 °F 46.0 °F 75% 29.59 in 10.0 mi Variable 4.6 mph - N/A   Overcast