Weather History for Jamestown, NY

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Tuesday, August 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 60 °F -  
Max Temperature 71 °F 74 °F 85 °F (1974)
Min Temperature 48 °F 49 °F 39 °F (1977)
Degree Days  
Heating Degree Days 6    
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 69    
Maximum Humidity 100    
Minimum Humidity 46    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.09 in    
Wind  
Wind Speed 3 mph (WSW)    
Max Wind Speed 10 mph    
Max Gust Speed 16 mph    
Visibility 8 miles    
Events      
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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Astronomy

Aug. 21, 2012 Rise Set
Actual Time 6:31 AM EDT 8:07 PM EDT
Civil Twilight 6:01 AM EDT 8:37 PM EDT
Nautical Twilight 5:25 AM EDT 9:13 PM EDT
Astronomical Twilight 4:47 AM EDT 9:51 PM EDT
Moon 11:06 AM EDT (8/21) 10:00 PM EDT (8/21)
Length of Visible Light 14h 35m
Length of Day
13h 36m
Waxing Crescent, 19% of the Moon is Illuminated
Aug 21
Waxing Crescent
Aug 24
First Quarter
Aug 31
Full
Sep 8
Last Quarter
Sep 15
New

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 53.6 °F 50.0 °F 88% 30.02 in 10.0 mi South 5.8 mph - N/A   Clear
12:55 AM 53.6 °F 51.8 °F 94% 30.03 in 10.0 mi Calm Calm - N/A   Clear
1:15 AM 55.4 °F 53.6 °F 94% 30.03 in 3.0 mi Calm Calm - N/A   Clear
1:35 AM 53.6 °F 51.8 °F 94% 30.03 in 7.0 mi Calm Calm - N/A   Clear
1:55 AM 53.6 °F 51.8 °F 94% 30.03 in 2.0 mi Calm Calm - N/A   Clear
2:15 AM 53.6 °F 51.8 °F 94% 30.03 in 2.5 mi Calm Calm - N/A   Clear
2:35 AM 53.6 °F 51.8 °F 94% 30.03 in 3.0 mi Calm Calm - N/A   Clear
2:55 AM 53.6 °F 51.8 °F 94% 30.03 in 0.8 mi Calm Calm - N/A   Unknown
3:15 AM 51.8 °F 51.8 °F 100% 30.03 in 0.8 mi Calm Calm - N/A   Unknown
3:35 AM 51.8 °F 50.0 °F 94% 30.04 in 1.0 mi SSW 3.5 mph - N/A   Mostly Cloudy
3:55 AM 51.8 °F 48.2 °F 88% 30.04 in 0.8 mi South 3.5 mph - N/A   Scattered Clouds
4:15 AM 51.8 °F 50.0 °F 94% 30.05 in 0.2 mi Calm Calm - N/A   Overcast
4:35 AM 51.8 °F 50.0 °F 94% 30.05 in 1.2 mi Calm Calm - N/A   Mostly Cloudy
4:55 AM 51.8 °F 50.0 °F 94% 30.05 in 6.0 mi Calm Calm - N/A   Clear
5:15 AM 51.8 °F 48.2 °F 88% 30.05 in 7.0 mi Calm Calm - N/A   Partly Cloudy
5:35 AM 51.8 °F 50.0 °F 94% 30.05 in 6.0 mi Calm Calm - N/A   Clear
5:55 AM 50.0 °F 48.2 °F 94% 30.06 in 0.5 mi South 4.6 mph - N/A   Unknown
6:15 AM 51.8 °F 48.2 °F 88% 30.06 in 2.5 mi Calm Calm - N/A   Clear
6:35 AM 51.8 °F 48.2 °F 88% 30.07 in 0.8 mi Calm Calm - N/A   Unknown
6:55 AM 50.0 °F 48.2 °F 94% 30.07 in 0.2 mi South 4.6 mph - N/A   Mostly Cloudy
7:15 AM 48.2 °F 48.2 °F 100% 30.07 in 0.2 mi Calm Calm - N/A   Overcast
7:35 AM 51.8 °F 48.2 °F 88% 30.07 in 2.5 mi South 3.5 mph - N/A   Partly Cloudy
7:55 AM 51.8 °F 50.0 °F 94% 30.08 in 4.0 mi South 3.5 mph - N/A   Clear
8:15 AM 51.8 °F 50.0 °F 94% 30.08 in 5.0 mi South 3.5 mph - N/A   Clear
8:35 AM 53.6 °F 51.8 °F 94% 30.08 in 10.0 mi South 3.5 mph - N/A   Clear
8:55 AM 53.6 °F 51.8 °F 94% 30.09 in 10.0 mi South 4.6 mph - N/A   Clear
9:15 AM 57.2 °F 53.6 °F 88% 30.09 in 10.0 mi SSE 3.5 mph - N/A   Clear
9:35 AM 60.8 °F 53.6 °F 77% 30.09 in 10.0 mi South 3.5 mph - N/A   Clear
9:55 AM 62.6 °F 53.6 °F 72% 30.10 in 10.0 mi Calm Calm - N/A   Clear
10:15 AM 62.6 °F 51.8 °F 68% 30.10 in 10.0 mi SSW 4.6 mph - N/A   Clear
10:35 AM 64.4 °F 51.8 °F 64% 30.11 in 10.0 mi SW 4.6 mph - N/A   Clear
10:55 AM 66.2 °F 51.8 °F 60% 30.11 in 10.0 mi West 5.8 mph - N/A   Clear
11:15 AM 66.2 °F 48.2 °F 52% 30.11 in 10.0 mi WSW 8.1 mph - N/A   Clear
11:35 AM 66.2 °F 48.2 °F 52% 30.11 in 10.0 mi WSW 9.2 mph 16.1 mph N/A   Partly Cloudy
11:55 AM 68.0 °F 50.0 °F 52% 30.11 in 10.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
12:15 PM 69.8 °F 51.8 °F 53% 30.11 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
12:35 PM 66.2 °F 48.2 °F 52% 30.12 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
12:55 PM 69.8 °F 50.0 °F 49% 30.11 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
1:15 PM 68.0 °F 50.0 °F 52% 30.12 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
1:35 PM 68.0 °F 50.0 °F 52% 30.12 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
1:55 PM 69.8 °F 50.0 °F 49% 30.12 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
2:15 PM 69.8 °F 48.2 °F 46% 30.12 in 10.0 mi NW 9.2 mph - N/A   Mostly Cloudy
2:35 PM 69.8 °F 48.2 °F 46% 30.11 in 10.0 mi WNW 5.8 mph - N/A   Scattered Clouds
2:55 PM 69.8 °F 48.2 °F 46% 30.10 in 10.0 mi NNW 10.4 mph - N/A   Scattered Clouds
3:15 PM 71.6 °F 51.8 °F 50% 30.10 in 10.0 mi WNW 8.1 mph - N/A   Scattered Clouds
3:55 PM 69.8 °F 50.0 °F 49% 30.10 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:15 PM 69.8 °F 51.8 °F 53% 30.09 in 10.0 mi NW 6.9 mph - N/A   Mostly Cloudy
4:35 PM 69.8 °F 51.8 °F 53% 30.09 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
4:55 PM 71.6 °F 51.8 °F 50% 30.09 in 10.0 mi NW 5.8 mph - N/A   Mostly Cloudy
5:15 PM 69.8 °F 50.0 °F 49% 30.09 in 10.0 mi WNW 8.1 mph - N/A   Partly Cloudy
5:55 PM 68.0 °F 48.2 °F 49% 30.10 in 10.0 mi NNW 5.8 mph - N/A   Overcast
6:15 PM 68.0 °F 46.4 °F 46% 30.10 in 10.0 mi North 5.8 mph - N/A   Overcast
6:35 PM 68.0 °F 46.4 °F 46% 30.10 in 10.0 mi NNW 5.8 mph - N/A   Mostly Cloudy
6:55 PM 68.0 °F 46.4 °F 46% 30.10 in 10.0 mi NNW 5.8 mph - N/A   Clear
7:15 PM 66.2 °F 46.4 °F 49% 30.10 in 10.0 mi North 6.9 mph - N/A   Clear
7:35 PM 66.2 °F 46.4 °F 49% 30.11 in 10.0 mi North 5.8 mph - N/A   Clear
7:55 PM 64.4 °F 46.4 °F 52% 30.11 in 10.0 mi North - - N/A   Clear
8:15 PM 62.6 °F 46.4 °F 55% 30.12 in 10.0 mi Calm Calm - N/A   Clear
8:35 PM 62.6 °F 46.4 °F 55% 30.12 in 10.0 mi Calm Calm - N/A   Clear
8:55 PM 62.6 °F 46.4 °F 55% 30.13 in 10.0 mi Calm Calm - N/A   Clear
9:15 PM 60.8 °F 46.4 °F 59% 30.13 in 10.0 mi Calm Calm - N/A   Clear
9:35 PM 62.6 °F 46.4 °F 55% 30.13 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:55 PM 62.6 °F 44.6 °F 52% 30.14 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:15 PM 60.8 °F 44.6 °F 55% 30.14 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:35 PM 62.6 °F 46.4 °F 55% 30.14 in 10.0 mi Calm Calm - N/A   Overcast
10:55 PM 60.8 °F 48.2 °F 63% 30.14 in 10.0 mi Calm Calm - N/A   Overcast
11:15 PM 62.6 °F 48.2 °F 59% 30.14 in 10.0 mi Calm Calm - N/A   Overcast
11:35 PM 57.2 °F 48.2 °F 72% 30.15 in 10.0 mi South 4.6 mph - N/A   Overcast