Weather History for Chatham, MA

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Tuesday, July 22, 2014

  Actual Average Record
Temperature  
Mean Temperature 68 °F -  
Max Temperature 78 °F 74 °F 91 °F (1998)
Min Temperature 60 °F 61 °F 55 °F (1992)
Cooling Degree Days 4    
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 65 °F    
Average Humidity 90    
Maximum Humidity 100    
Minimum Humidity 74    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.15 in    
Wind  
Wind Speed 3 mph (SW)    
Max Wind Speed 10 mph    
Max Gust Speed 20 mph    
Visibility 6 miles    
Events Fog    
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

Jul. 22, 2014 Rise Set
Actual Time 5:24 AM EDT 8:07 PM EDT
Civil Twilight 4:52 AM EDT 8:39 PM EDT
Nautical Twilight 4:11 AM EDT 9:20 PM EDT
Astronomical Twilight 3:25 AM EDT 10:06 PM EDT
Moon 1:56 AM EDT (7/22) 4:42 PM EDT (7/22)
Length of Visible Light 15h 47m
Length of Day
14h 43m
Waning Crescent, 16% of the Moon is Illuminated
Jul 22
Waning Crescent
Jul 26
New
Aug 3
First Quarter
Aug 10
Full
Aug 17
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 62.1 °F 62.1 °F 100% 30.17 in 0.2 mi NE 3.5 mph - N/A Fog Fog
1:52 AM 62.1 °F 62.1 °F 100% 30.17 in 0.2 mi Calm Calm - N/A Fog Fog
2:52 AM 62.1 °F 61.0 °F 96% 30.16 in 0.2 mi Calm Calm - N/A Fog Fog
3:52 AM 61.0 °F 60.1 °F 97% 30.17 in 0.2 mi Calm Calm - N/A Fog Fog
4:52 AM 60.1 °F 60.1 °F 100% 30.17 in 0.2 mi Calm Calm - N/A Fog Fog
5:52 AM 61.0 °F 61.0 °F 100% 30.18 in 0.2 mi Calm Calm - N/A Fog Fog
6:16 AM 62.1 °F 61.0 °F 96% 30.18 in 1.0 mi Calm Calm - N/A   Mist
6:20 AM 62.1 °F 61.0 °F 96% 30.18 in 3.0 mi Calm Calm - N/A   Mostly Cloudy
6:29 AM 63.0 °F 62.1 °F 97% 30.18 in 6.0 mi Calm Calm - N/A   Scattered Clouds
6:52 AM 64.0 °F 64.0 °F 100% 30.18 in 7.0 mi Calm Calm - N/A   Clear
7:18 AM 64.9 °F 64.0 °F 97% 30.18 in 2.0 mi SSW 3.5 mph - N/A   Scattered Clouds
7:20 AM 64.9 °F 64.0 °F 97% 30.18 in 0.8 mi SW 3.5 mph - N/A   Mist
7:29 AM 64.9 °F 64.0 °F 97% 30.18 in 0.2 mi SSW 3.5 mph - N/A Fog Fog
7:52 AM 66.0 °F 64.9 °F 96% 30.18 in 0.2 mi Calm Calm - N/A Fog Fog
8:12 AM 66.9 °F 66.0 °F 97% 30.17 in 0.5 mi SW 3.5 mph - N/A Fog Fog
8:19 AM 68.0 °F 66.0 °F 93% 30.17 in 2.0 mi SSW 4.6 mph - N/A   Overcast
8:27 AM 68.0 °F 66.9 °F 96% 30.17 in 7.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
8:37 AM 70.0 °F 66.9 °F 90% 30.17 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
8:52 AM 72.0 °F 68.0 °F 87% 30.17 in 10.0 mi SW 4.6 mph - N/A   Clear
10:52 AM 73.0 °F 66.9 °F 81% 30.16 in 10.0 mi Variable 6.9 mph - N/A   Clear
11:52 AM 75.0 °F 66.9 °F 76% 30.16 in 10.0 mi SSW 6.9 mph - N/A   Clear
12:52 PM 75.9 °F 66.9 °F 74% 30.15 in 10.0 mi SSW 9.2 mph - N/A   Clear
1:52 PM 77.0 °F 68.0 °F 74% 30.14 in 10.0 mi Variable 6.9 mph - N/A   Clear
2:52 PM 77.0 °F 69.1 °F 76% 30.13 in 10.0 mi SSW 8.1 mph - N/A   Clear
4:52 PM 75.9 °F 68.0 °F 76% 30.10 in 10.0 mi SW 6.9 mph - N/A   Clear
5:52 PM 73.0 °F 66.9 °F 81% 30.09 in 10.0 mi SW 9.2 mph - N/A   Clear
6:52 PM 72.0 °F 66.9 °F 84% 30.07 in 10.0 mi SW 8.1 mph - N/A   Clear
7:52 PM 71.1 °F 66.9 °F 87% 30.07 in 10.0 mi SW 8.1 mph - N/A   Clear
8:52 PM 71.1 °F 66.9 °F 87% 30.07 in 10.0 mi SW 6.9 mph - N/A   Clear
9:52 PM 71.1 °F 66.9 °F 87% 30.07 in 10.0 mi Variable 6.9 mph - N/A   Clear
10:52 PM 71.1 °F 66.0 °F 84% 30.06 in 10.0 mi WSW 6.9 mph 17.3 mph N/A   Clear
11:52 PM 71.1 °F 63.0 °F 75% 30.06 in 10.0 mi WSW 10.4 mph 19.6 mph N/A   Clear