Weather History for Rochester, NY

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Friday, December 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 37 °F 28 °F  
Max Temperature 42 °F 35 °F 62 °F (1895)
Min Temperature 31 °F 22 °F -4 °F (1879)
Degree Days  
Heating Degree Days 28 37  
Month to date heating degree days 515 706  
Since 1 July heating degree days 1804 2074  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 802 539  
Moisture  
Dew Point 33 °F    
Average Humidity 91    
Maximum Humidity 100    
Minimum Humidity 82    
Precipitation  
Precipitation 0.46 in 0.08 in 1.03 in (1905)
Month to date precipitation 2.11 1.82  
Year to date precipitation 32.69 33.46  
Snow  
Snow 0.60 in 0.80 in 6.40 in (2008)
Month to date snowfall 0.7 13.8  
Since 1 July snowfall 1.5 21.2  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.27 in    
Wind  
Wind Speed 10 mph (West)    
Max Wind Speed 23 mph    
Max Gust Speed 32 mph    
Visibility 5 miles    
Events Rain , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 21, 2012 Rise Set
Actual Time 7:39 AM EST 4:38 PM EST
Civil Twilight 7:06 AM EST 5:11 PM EST
Nautical Twilight 6:30 AM EST 5:47 PM EST
Astronomical Twilight 5:56 AM EST 6:21 PM EST
Moon 12:30 PM EST (12/21) 1:17 AM EST (12/21)
Length of Visible Light 10h 04m
Length of Day
8h 59m
Waxing Gibbous, 64% of the Moon is Illuminated
Dec 21
Waxing Gibbous
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:39 AM 39.2 °F 34.2 °F 37.4 °F 93% 29.44 in 10.0 mi South 6.9 mph - 0.09 in Rain Light Rain
12:54 AM 39.9 °F 34.5 °F 37.0 °F 89% 29.47 in 7.0 mi SSW 8.1 mph - 0.11 in Rain Rain
1:54 AM 37.9 °F 31.5 °F 36.0 °F 93% 29.42 in 9.0 mi SE 9.2 mph - 0.08 in Rain Light Rain
2:54 AM 37.9 °F 30.9 °F 36.0 °F 93% 29.39 in 10.0 mi SE 10.4 mph - 0.03 in Rain Light Rain
3:54 AM 37.9 °F 33.5 °F 36.0 °F 93% 29.35 in 8.0 mi ESE 5.8 mph - 0.02 in Rain Rain
4:54 AM 37.9 °F 35.5 °F 37.0 °F 97% 29.34 in 7.0 mi ESE 3.5 mph - 0.06 in Rain Light Rain
5:21 AM 37.4 °F 34.9 °F 35.6 °F 93% 29.31 in 7.0 mi NW 3.5 mph - 0.03 in Rain Rain
5:54 AM 37.0 °F - 37.0 °F 100% 29.32 in 8.0 mi Calm Calm - 0.07 in Rain Light Rain
6:54 AM 37.9 °F - 37.0 °F 97% 29.31 in 9.0 mi Calm Calm - 0.01 in   Light Drizzle
7:54 AM 37.0 °F 30.4 °F 33.1 °F 86% 29.30 in 10.0 mi WSW 9.2 mph - 0.00 in Rain Light Rain
8:54 AM 35.1 °F 27.9 °F 32.0 °F 89% 29.29 in 8.0 mi West 9.2 mph - 0.00 in Snow Light Snow
9:54 AM 35.1 °F 28.6 °F 32.0 °F 89% 29.27 in 8.0 mi West 8.1 mph - 0.00 in Rain , Snow Light Rain
10:54 AM 35.1 °F 27.9 °F 32.0 °F 89% 29.25 in 7.0 mi West 9.2 mph - 0.00 in Snow Light Snow
11:33 AM 33.8 °F 27.0 °F 32.0 °F 93% 29.22 in 1.8 mi West 8.1 mph - 0.00 in Snow Light Snow
11:41 AM 33.8 °F 27.0 °F 32.0 °F 93% 29.21 in 2.5 mi West 8.1 mph - 0.00 in Snow Light Snow
11:51 AM 33.8 °F 27.7 °F 32.0 °F 93% 29.21 in 2.5 mi West 6.9 mph - 0.00 in Snow Light Snow
11:54 AM 34.0 °F 27.2 °F 32.0 °F 92% 29.22 in 2.5 mi West 8.1 mph - 0.00 in Snow Light Snow
12:02 PM 35.6 °F 28.6 °F 33.8 °F 93% 29.20 in 3.0 mi West 9.2 mph - 0.00 in Snow Light Snow
12:36 PM 35.6 °F 28.0 °F 33.8 °F 93% 29.19 in 8.0 mi West 10.4 mph - 0.00 in Snow Light Snow
12:54 PM 35.1 °F 26.9 °F 30.9 °F 85% 29.21 in 3.0 mi West 11.5 mph - 0.00 in Snow Light Snow
1:31 PM 35.6 °F 26.6 °F 32.0 °F 87% 29.19 in 3.0 mi West 13.8 mph - 0.00 in Snow Light Snow
1:54 PM 36.0 °F 28.5 °F 32.0 °F 86% 29.20 in 3.0 mi West 10.4 mph - 0.00 in Snow Light Snow
2:54 PM 35.1 °F 25.9 °F 32.0 °F 89% 29.20 in 3.0 mi WSW 13.8 mph - 0.00 in Snow Light Snow
3:54 PM 35.1 °F 26.9 °F 32.0 °F 89% 29.21 in 3.0 mi West 11.5 mph - 0.00 in Snow Light Snow
4:12 PM 35.6 °F 27.5 °F 32.0 °F 87% 29.19 in 3.0 mi West 11.5 mph 18.4 mph 0.00 in Snow Light Snow
4:18 PM 35.6 °F 28.6 °F 33.8 °F 93% 29.19 in 3.0 mi West 9.2 mph 18.4 mph 0.00 in Rain , Snow Light Rain
4:54 PM 34.0 °F 25.5 °F 32.0 °F 92% 29.22 in 3.0 mi West 11.5 mph - 0.00 in Rain , Snow Light Snow
5:54 PM 34.0 °F 26.0 °F 32.0 °F 92% 29.22 in 3.0 mi WSW 10.4 mph - 0.00 in Rain , Snow Light Snow
6:54 PM 35.1 °F 26.9 °F 32.0 °F 89% 29.23 in 3.0 mi West 11.5 mph 19.6 mph 0.00 in Rain , Snow Light Snow
7:54 PM 35.1 °F 24.8 °F 32.0 °F 89% 29.23 in 3.0 mi WSW 17.3 mph 23.0 mph 0.01 in Rain , Snow Light Snow
8:40 PM 33.8 °F 24.8 °F 32.0 °F 93% 29.22 in 2.0 mi West 12.7 mph 23.0 mph 0.01 in Snow Light Snow
8:54 PM 34.0 °F 25.0 °F 32.0 °F 92% 29.24 in 2.0 mi West 12.7 mph - 0.01 in Snow Light Snow
9:25 PM 33.8 °F 25.3 °F 32.0 °F 93% 29.24 in 1.0 mi West 11.5 mph - 0.03 in Snow Light Snow
9:54 PM 33.1 °F 23.9 °F 32.0 °F 96% 29.27 in 1.2 mi WNW 12.7 mph 24.2 mph 0.04 in Snow Light Snow
10:54 PM 32.0 °F 20.5 °F 30.0 °F 92% 29.30 in 1.0 mi West 18.4 mph 29.9 mph 0.02 in Snow Light Snow
11:03 PM 32.0 °F 19.5 °F 28.4 °F 87% 29.29 in 2.0 mi West 21.9 mph 31.1 mph 0.00 in Snow Light Snow
11:27 PM 30.2 °F 17.1 °F 28.4 °F 93% 29.30 in 3.0 mi WNW 21.9 mph 28.8 mph 0.00 in Snow Light Snow
11:41 PM 30.2 °F 17.1 °F 28.4 °F 93% 29.31 in 9.0 mi WNW 21.9 mph 29.9 mph 0.00 in Snow Light Snow
11:54 PM 30.9 °F 19.4 °F 27.0 °F 85% 29.34 in 10.0 mi WNW 17.3 mph 28.8 mph 0.00 in Snow Light Snow