Weather History for Chatham, MA

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Wednesday, October 12, 2011

  Actual Average Record
Temperature  
Mean Temperature 60 °F -  
Max Temperature 62 °F 59 °F 70 °F (2001)
Min Temperature 57 °F 45 °F 37 °F (1996)
Degree Days  
Heating Degree Days 6    
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 77    
Maximum Humidity 94    
Minimum Humidity 63    
Precipitation  
Precipitation 0.15 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.17 in    
Wind  
Wind Speed 8 mph (East)    
Max Wind Speed 12 mph    
Max Gust Speed 18 mph    
Visibility 8 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. 12, 2011 Rise Set
Actual Time 6:48 AM EDT 6:03 PM EDT
Civil Twilight 6:20 AM EDT 6:31 PM EDT
Nautical Twilight 5:48 AM EDT 7:03 PM EDT
Astronomical Twilight 5:16 AM EDT 7:36 PM EDT
Moon 6:02 PM EDT (10/12) 7:21 AM EDT (10/12)
Length of Visible Light 12h 11m
Length of Day
11h 15m
Full, 100% of the Moon is Illuminated
Oct 12
Full
Oct 19
Last Quarter
Oct 26
New
Nov 2
First Quarter
Nov 10
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 57.0 °F 46.0 °F 67% 30.24 in 10.0 mi East 6.9 mph - N/A   Clear
1:52 AM 57.0 °F 45.0 °F 64% 30.23 in 10.0 mi East 6.9 mph - N/A   Clear
2:52 AM 57.0 °F 46.9 °F 69% 30.22 in 10.0 mi ENE 5.8 mph - N/A   Clear
3:52 AM 57.0 °F 46.9 °F 69% 30.22 in 10.0 mi ENE 8.1 mph - N/A   Scattered Clouds
4:52 AM 57.0 °F 46.9 °F 69% 30.22 in 10.0 mi ENE 5.8 mph - N/A   Scattered Clouds
5:52 AM 57.9 °F 48.0 °F 70% 30.23 in 10.0 mi ENE 5.8 mph - N/A   Partly Cloudy
6:52 AM 57.0 °F 48.9 °F 74% 30.22 in 10.0 mi East 5.8 mph - N/A   Scattered Clouds
7:03 AM 57.2 °F 50.0 °F 77% 30.22 in 10.0 mi ENE 5.8 mph - N/A   Mostly Cloudy
7:52 AM 57.9 °F 48.0 °F 70% 30.23 in 10.0 mi East 6.9 mph - N/A   Scattered Clouds
8:44 AM 60.8 °F 48.2 °F 63% 30.23 in 10.0 mi East 10.4 mph - N/A   Mostly Cloudy
8:52 AM 60.1 °F 48.9 °F 67% 30.24 in 10.0 mi East 9.2 mph - N/A   Scattered Clouds
10:52 AM 62.1 °F 50.0 °F 65% 30.22 in 10.0 mi East 11.5 mph - N/A   Scattered Clouds
11:52 AM 61.0 °F 50.0 °F 67% 30.21 in 10.0 mi East 10.4 mph - N/A   Scattered Clouds
12:14 PM 60.8 °F 51.8 °F 72% 30.20 in 10.0 mi East 8.1 mph - N/A   Scattered Clouds
12:52 PM 62.1 °F 51.1 °F 67% 30.19 in 10.0 mi East 8.1 mph - N/A   Partly Cloudy
1:52 PM 62.1 °F 53.1 °F 72% 30.17 in 10.0 mi East 11.5 mph - N/A   Scattered Clouds
2:30 PM 62.6 °F 51.8 °F 68% 30.16 in 10.0 mi ENE 8.1 mph - N/A   Partly Cloudy
2:52 PM 62.1 °F 52.0 °F 70% 30.17 in 10.0 mi ENE 8.1 mph - N/A   Clear
3:30 PM 62.6 °F 53.6 °F 72% 30.16 in 10.0 mi ENE 10.4 mph - N/A   Mostly Cloudy
3:52 PM 62.1 °F 53.1 °F 72% 30.15 in 10.0 mi ENE 10.4 mph - N/A   Overcast
4:34 PM 60.8 °F 55.4 °F 82% 30.14 in 10.0 mi East 8.1 mph - N/A   Overcast
4:52 PM 62.1 °F 55.0 °F 78% 30.14 in 10.0 mi East 9.2 mph - N/A   Overcast
5:52 PM 61.0 °F 55.9 °F 83% 30.13 in 8.0 mi East 8.1 mph 17.3 mph 0.00 in Rain Light Rain
6:52 PM 60.1 °F 55.9 °F 86% 30.13 in 9.0 mi East 10.4 mph 18.4 mph 0.01 in Rain Light Rain
7:13 PM 59.0 °F 55.4 °F 88% 30.12 in 6.0 mi East 10.4 mph - 0.02 in Rain Light Rain
7:41 PM 59.0 °F 55.4 °F 88% 30.12 in 6.0 mi East 9.2 mph - 0.04 in Rain Light Rain
7:49 PM 59.0 °F 55.4 °F 88% 30.12 in 5.0 mi East 9.2 mph - 0.05 in Rain Light Rain
7:52 PM 59.0 °F 55.9 °F 90% 30.13 in 5.0 mi East 9.2 mph - 0.05 in Rain Light Rain
8:52 PM 59.0 °F 55.9 °F 90% 30.12 in 4.0 mi East 9.2 mph - 0.05 in Rain Light Rain
8:59 PM 59.0 °F 57.2 °F 94% 30.11 in 4.0 mi East 10.4 mph - 0.01 in Rain Rain
9:14 PM 59.0 °F 57.2 °F 94% 30.11 in 3.0 mi East 11.5 mph - 0.03 in Rain Light Rain
9:56 PM 59.0 °F 57.2 °F 94% 30.10 in 2.5 mi East 11.5 mph - 0.01 in Rain Rain
10:13 PM 59.0 °F 57.2 °F 94% 30.09 in 3.0 mi East 10.4 mph - 0.06 in Rain Rain
11:52 PM 59.0 °F 57.0 °F 93% 30.06 in 4.0 mi East 11.5 mph - 0.04 in Rain Light Rain