Weather History for Chatham, MA

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Friday, April 19, 2013

  Actual Average Record
Temperature  
Mean Temperature 54 °F -  
Max Temperature 61 °F 51 °F 67 °F (1973)
Min Temperature 48 °F 38 °F 28 °F (2001)
Degree Days  
Heating Degree Days 12    
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 95    
Maximum Humidity 100    
Minimum Humidity 87    
Precipitation  
Precipitation 0.02 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 9 mph (SSW)    
Max Wind Speed 17 mph    
Max Gust Speed 31 mph    
Visibility 5 miles    
Events Fog , 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

Apr. 19, 2013 Rise Set
Actual Time 5:53 AM EDT 7:25 PM EDT
Civil Twilight 5:24 AM EDT 7:54 PM EDT
Nautical Twilight 4:49 AM EDT 8:29 PM EDT
Astronomical Twilight 4:11 AM EDT 9:07 PM EDT
Moon 1:01 PM EDT (4/19) 2:12 AM EDT (4/19)
Length of Visible Light 14h 30m
Length of Day
13h 31m
First Quarter, 61% of the Moon is Illuminated
Apr 19
First Quarter
Apr 25
Full
May 2
Last Quarter
May 9
New
May 18
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:01 AM 48.2 °F 44.6 °F 87% 30.20 in 10.0 mi South 9.2 mph 18.4 mph N/A   Overcast
12:52 AM 50.0 °F 46.9 °F 89% 30.19 in 10.0 mi South 9.2 mph 21.9 mph N/A   Overcast
1:24 AM 50.0 °F 46.4 °F 87% 30.16 in 10.0 mi South 9.2 mph 19.6 mph N/A   Overcast
1:52 AM 50.0 °F 46.9 °F 89% 30.15 in 10.0 mi South 9.2 mph 25.3 mph N/A   Overcast
2:52 AM 51.1 °F 48.9 °F 92% 30.13 in 10.0 mi South 6.9 mph - N/A   Overcast
3:28 AM 51.8 °F 50.0 °F 94% 30.11 in 9.0 mi Variable 4.6 mph - N/A   Overcast
3:52 AM 51.1 °F 50.0 °F 96% 30.11 in 9.0 mi South 5.8 mph - N/A   Overcast
4:41 AM 53.6 °F 51.8 °F 94% 30.09 in 9.0 mi SSW 8.1 mph - N/A   Overcast
4:52 AM 54.0 °F 52.0 °F 93% 30.09 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
5:42 AM 53.6 °F 51.8 °F 94% 30.08 in 8.0 mi SSW 8.1 mph 16.1 mph N/A   Mostly Cloudy
5:52 AM 54.0 °F 53.1 °F 97% 30.09 in 8.0 mi SSW 10.4 mph 18.4 mph N/A   Overcast
6:37 AM 53.6 °F 53.6 °F 100% 30.08 in 1.8 mi South 11.5 mph 19.6 mph N/A   Overcast
6:48 AM 53.6 °F 53.6 °F 100% 30.08 in 0.2 mi South 9.2 mph 18.4 mph N/A Fog Fog
6:52 AM 54.0 °F 53.1 °F 97% 30.09 in 0.2 mi SSW 9.2 mph 18.4 mph N/A Fog Fog
7:43 AM 55.4 °F 53.6 °F 94% 30.07 in 0.5 mi Variable 6.9 mph 18.4 mph N/A Fog Fog
7:52 AM 55.9 °F 55.0 °F 97% 30.06 in 0.8 mi South 6.9 mph 18.4 mph N/A   Mist
8:52 AM 55.9 °F 55.0 °F 97% 30.06 in 0.8 mi South 8.1 mph 16.1 mph N/A   Overcast
9:32 AM 55.4 °F 55.4 °F 100% 30.05 in 1.0 mi South 8.1 mph 16.1 mph N/A   Overcast
9:39 AM 55.4 °F 55.4 °F 100% 30.05 in 0.5 mi Variable 6.9 mph 16.1 mph N/A Fog Fog
9:52 AM 55.9 °F 55.0 °F 97% 30.05 in 0.5 mi SSW 6.9 mph - N/A Fog Fog
10:12 AM 53.6 °F 53.6 °F 100% 30.05 in 0.2 mi SSW 6.9 mph - N/A Fog Fog
10:25 AM 55.4 °F 53.6 °F 94% 30.05 in 0.5 mi SW 8.1 mph - N/A Fog Fog
10:49 AM 55.4 °F 55.4 °F 100% 30.04 in 2.0 mi Variable 4.6 mph - N/A   Overcast
10:52 AM 55.9 °F 54.0 °F 93% 30.04 in 2.5 mi Variable 5.8 mph - N/A   Overcast
11:01 AM 55.4 °F 53.6 °F 94% 30.03 in 0.8 mi SSW 6.9 mph - N/A   Overcast
11:20 AM 57.2 °F 55.4 °F 94% 30.02 in 1.2 mi SW 8.1 mph - N/A   Overcast
11:27 AM 57.2 °F 55.4 °F 94% 30.02 in 3.0 mi Variable 4.6 mph - N/A   Overcast
11:52 AM 57.0 °F 54.0 °F 89% 30.03 in 8.0 mi SW 8.1 mph 16.1 mph N/A   Overcast
12:52 PM 55.9 °F 53.1 °F 90% 30.00 in 10.0 mi SSW 10.4 mph 17.3 mph N/A   Overcast
1:08 PM 55.4 °F 53.6 °F 94% 29.99 in 8.0 mi SSW 11.5 mph 17.3 mph 0.00 in Rain Light Rain
1:28 PM 55.4 °F 55.4 °F 100% 29.99 in 1.8 mi SW 8.1 mph - 0.01 in Rain Rain
1:39 PM 57.2 °F 55.4 °F 94% 29.98 in 2.5 mi SSW 8.1 mph - 0.02 in Rain Light Rain
1:52 PM 57.0 °F 55.9 °F 96% 29.98 in 1.5 mi SW 13.8 mph 19.6 mph 0.02 in   Overcast
2:05 PM 57.2 °F 55.4 °F 94% 29.97 in 3.0 mi SW 8.1 mph 17.3 mph N/A   Overcast
2:52 PM 57.9 °F 57.0 °F 97% 29.95 in 7.0 mi SSW 9.2 mph 17.3 mph N/A   Overcast
3:42 PM 57.2 °F 55.4 °F 94% 29.93 in 1.8 mi SSW 13.8 mph 21.9 mph N/A   Overcast
3:52 PM 57.0 °F 55.0 °F 93% 29.93 in 2.0 mi SSW 12.7 mph 21.9 mph N/A   Overcast
4:01 PM 57.2 °F 55.4 °F 94% 29.92 in 6.0 mi SW 10.4 mph 21.9 mph N/A   Overcast
4:52 PM 59.0 °F 55.9 °F 90% 29.90 in 10.0 mi SSW 10.4 mph 24.2 mph N/A   Mostly Cloudy
5:00 PM 57.2 °F 55.4 °F 94% 29.89 in 10.0 mi SSW 12.7 mph 21.9 mph N/A   Mostly Cloudy
5:18 PM 57.2 °F 55.4 °F 94% 29.89 in 10.0 mi SSW 10.4 mph 25.3 mph N/A   Overcast
5:52 PM 59.0 °F 55.9 °F 90% 29.88 in 10.0 mi SSW 12.7 mph 27.6 mph N/A   Overcast
6:52 PM 57.9 °F 55.9 °F 93% 29.87 in 10.0 mi SSW 13.8 mph 26.5 mph N/A   Overcast
7:18 PM 57.2 °F 55.4 °F 94% 29.86 in 7.0 mi South 11.5 mph 25.3 mph N/A   Overcast
7:25 PM 57.2 °F 55.4 °F 94% 29.86 in 7.0 mi SSW 16.1 mph 27.6 mph N/A   Overcast
7:41 PM 57.2 °F 55.4 °F 94% 29.86 in 8.0 mi SSW 13.8 mph 27.6 mph N/A   Overcast
7:52 PM 57.0 °F 55.0 °F 93% 29.87 in 7.0 mi SSW 16.1 mph 27.6 mph N/A   Overcast
8:50 PM 57.2 °F 55.4 °F 94% 29.86 in 7.0 mi South 13.8 mph 28.8 mph N/A   Overcast
8:52 PM 57.9 °F 55.9 °F 93% 29.86 in 7.0 mi South 15.0 mph 28.8 mph N/A   Overcast
9:05 PM 57.2 °F 55.4 °F 94% 29.86 in 6.0 mi South 13.8 mph 24.2 mph N/A   Overcast
9:52 PM 57.9 °F 57.0 °F 97% 29.85 in 5.0 mi SSW 15.0 mph 29.9 mph N/A   Overcast
10:21 PM 57.2 °F 57.2 °F 100% 29.84 in 2.5 mi SSW 16.1 mph 26.5 mph N/A   Overcast
10:35 PM 57.2 °F 57.2 °F 100% 29.84 in 3.0 mi South 15.0 mph 31.1 mph N/A   Overcast
10:52 PM 57.9 °F 57.0 °F 97% 29.84 in 2.5 mi SSW 15.0 mph 26.5 mph N/A   Overcast
11:06 PM 57.2 °F 57.2 °F 100% 29.83 in 3.0 mi SSW 17.3 mph 29.9 mph 0.00 in Rain Light Rain
11:52 PM 60.1 °F 59.0 °F 96% 29.81 in 5.0 mi South 16.1 mph 29.9 mph 0.00 in   Overcast