Weather History for Rochester, NY

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Wednesday, December 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 36 °F 31 °F  
Max Temperature 41 °F 37 °F 62 °F (1899)
Min Temperature 30 °F 25 °F -8 °F (1988)
Degree Days  
Heating Degree Days 29 34  
Month to date heating degree days 284 386  
Since 1 July heating degree days 1573 1754  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 802 539  
Moisture  
Dew Point 28 °F    
Average Humidity 76    
Maximum Humidity 92    
Minimum Humidity 59    
Precipitation  
Precipitation T in 0.09 in 1.36 in (1944)
Month to date precipitation 0.85 1.10  
Year to date precipitation 31.43 32.74  
Snow  
Snow 0.10 in 0.60 in 16.20 in (1944)
Month to date snowfall 0.1 7.2  
Since 1 July snowfall 0.9 14.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.33 in    
Wind  
Wind Speed 7 mph (SW)    
Max Wind Speed 21 mph    
Max Gust Speed 28 mph    
Visibility 10 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 12, 2012 Rise Set
Actual Time 7:33 AM EST 4:35 PM EST
Civil Twilight 7:01 AM EST 5:08 PM EST
Nautical Twilight 6:25 AM EST 5:44 PM EST
Astronomical Twilight 5:50 AM EST 6:18 PM EST
Moon 6:35 AM EST (12/12) 4:11 PM EST (12/12)
Length of Visible Light 10h 07m
Length of Day
9h 02m
Waning Crescent, 1% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 13
New
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 30.9 °F - 27.0 °F 85% 30.20 in 9.0 mi Calm Calm - 0.00 in Snow Light Snow
1:54 AM 30.9 °F - 27.0 °F 85% 30.20 in 9.0 mi Calm Calm - 0.00 in Snow Light Snow
2:54 AM 30.9 °F - 28.0 °F 89% 30.22 in 9.0 mi Calm Calm - 0.00 in Snow Light Snow
3:54 AM 32.0 °F 27.5 °F 28.0 °F 85% 30.24 in 9.0 mi WSW 4.6 mph - 0.00 in Snow Light Snow
4:54 AM 32.0 °F 27.5 °F 27.0 °F 82% 30.25 in 9.0 mi West 4.6 mph - 0.00 in Snow Light Snow
5:54 AM 32.0 °F 27.5 °F 28.0 °F 85% 30.28 in 8.0 mi WSW 4.6 mph - 0.00 in Snow Light Snow
6:54 AM 33.8 °F 27.0 °F 28.4 °F 81% 30.28 in 8.0 mi WSW 8.1 mph - N/A Snow Light Snow
7:54 AM 32.0 °F 26.4 °F 27.0 °F 82% 30.32 in 10.0 mi South 5.8 mph - 0.00 in   Scattered Clouds
8:54 AM 33.1 °F 27.7 °F 26.1 °F 75% 30.32 in 10.0 mi SSW 5.8 mph - N/A   Scattered Clouds
9:54 AM 36.0 °F 27.1 °F 25.0 °F 64% 30.32 in 10.0 mi SSW 13.8 mph - N/A   Partly Cloudy
10:54 AM 37.0 °F 29.3 °F 27.0 °F 67% 30.35 in 10.0 mi SW 11.5 mph - N/A   Partly Cloudy
11:54 AM 39.9 °F 31.8 °F 28.0 °F 63% 30.34 in 10.0 mi SW 15.0 mph - N/A   Scattered Clouds
12:54 PM 39.9 °F 32.5 °F 27.0 °F 60% 30.34 in 10.0 mi WSW 12.7 mph - N/A   Mostly Cloudy
1:54 PM 39.0 °F 31.0 °F 28.0 °F 65% 30.35 in 10.0 mi WSW 13.8 mph - N/A   Overcast
2:54 PM 39.0 °F 29.6 °F 28.0 °F 65% 30.36 in 10.0 mi WSW 18.4 mph - N/A   Overcast
3:54 PM 37.9 °F 29.6 °F 28.0 °F 68% 30.37 in 10.0 mi WSW 13.8 mph - N/A   Scattered Clouds
4:54 PM 37.9 °F 31.5 °F 28.0 °F 68% 30.38 in 10.0 mi WSW 9.2 mph - N/A   Overcast
5:54 PM 37.0 °F 32.4 °F 28.0 °F 70% 30.39 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
6:54 PM 37.0 °F 31.6 °F 28.0 °F 70% 30.39 in 10.0 mi SW 6.9 mph - N/A   Overcast
7:54 PM 37.0 °F 33.3 °F 28.0 °F 70% 30.40 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
8:42 PM 37.4 °F 34.9 °F 28.4 °F 70% 30.40 in 10.0 mi NW 3.5 mph - 0.00 in   Light Drizzle
8:54 PM 37.0 °F - 28.0 °F 70% 30.42 in 10.0 mi Calm Calm - 0.00 in   Overcast
9:10 PM 35.6 °F 32.8 °F 28.4 °F 75% 30.40 in 10.0 mi SW 3.5 mph - N/A   Overcast
9:54 PM 34.0 °F 31.0 °F 28.0 °F 79% 30.42 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
10:54 PM 30.0 °F 26.5 °F 27.0 °F 88% 30.43 in 10.0 mi SSW 3.5 mph - N/A   Scattered Clouds
11:54 PM 30.0 °F 26.5 °F 27.0 °F 88% 30.44 in 10.0 mi South 3.5 mph - N/A   Scattered Clouds