Rochester, NY
on Saturday, December 9, 2017

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Daily Summary
 ActualAverageRecord
Temperature
Mean Temperature °F °C 32°F 0°C  
Max Temperature 37°F 3°C 38°F 3°C 63°F 17°C (1966)
Min Temperature 25°F -4°C 26°F -3°C 2°F -16°C (2002)
Degree Days
Heating Degree Days 34 33  
Month to date heating degree days 254 285  
Since 1 July heating degree days 1345 1653  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 655 539  
Moisture
Dew Point 16°F -9°C   
Average Humidity 49    
Maximum Humidity 63    
Minimum Humidity 35    
Precipitation
Precipitation T in / T cm 0.09 in / 2.29 cm 1.19 in / 3.02 cm (1975)
Month to date precipitation 0.20 0.82  
Year to date precipitation 43.33 32.46  
Snow
Snow T in / T cm 0.70 in / 1.78 cm 7.50 in / 19.05 cm (1981)
Month to date snowfall 0.8 5.3  
Since 1 July snowfall 3.4 12.7  
Snow Depth 0.00 in / 0.00 cm   
Wind
Wind Speed 7 mph / 11 km/h   
Max Wind Speed 16 mph / 26 km/h   
Max Gust Speed 22 mph / 35 km/h   
Visibility 10 miles / 16 kilometers   
Events Snow   

Key: T is trace of precipitation, MM is missing value
Source: NWS Daily Summary
Time(EST)TemperatureDew PointHumidity Pressure Visibility Wind DirectionWind SpeedGust SpeedPrecipitationEvents Conditions
12:54 AM 28.9°F -1.7°C 16.0°F -8.9°C 58% 29.95 in / 1014.0 hPa 9.0 miles / 14.5 kilometers SSW 5.8 mph / 9.3 km/h - 0.00 in / 0.0 cm Snow Light Snow
1:54 AM 28.9°F -1.7°C 16.0°F -8.9°C 58% 29.92 in / 1013.2 hPa 9.0 miles / 14.5 kilometers SSW 8.1 mph / 13.0 km/h - 0.00 in / 0.0 cm Snow Light Snow
2:54 AM 28.9°F -1.7°C 15.1°F -9.4°C 56% 29.94 in / 1013.6 hPa 10.0 miles / 16.1 kilometers SW 11.5 mph / 18.5 km/h - 0.00 in / 0.0 cm   Overcast
3:54 AM 28.0°F -2.2°C 16.0°F -8.9°C 61% 29.91 in / 1012.9 hPa 10.0 miles / 16.1 kilometers SW 8.1 mph / 13.0 km/h - N/A   Overcast
4:54 AM 28.0°F -2.2°C 16.0°F -8.9°C 61% 29.94 in / 1013.8 hPa 10.0 miles / 16.1 kilometers SW 10.4 mph / 16.7 km/h - N/A   Overcast
5:37 AM 28.0°F -2.2°C 16.0°F -8.9°C 61% 29.90 in / 1012.4 hPa 10.0 miles / 16.1 kilometers SW 9.2 mph / 14.8 km/h - N/A   Overcast
5:54 AM 28.0°F -2.2°C 16.0°F -8.9°C 61% 29.93 in / 1013.4 hPa 10.0 miles / 16.1 kilometers SW 8.1 mph / 13.0 km/h - N/A   Overcast
6:01 AM 28.0°F -2.2°C 15.1°F -9.4°C 58% 29.89 in / 1012.1 hPa 10.0 miles / 16.1 kilometers SSW 6.9 mph / 11.1 km/h - N/A   Overcast
6:29 AM 27.0°F -2.8°C 16.0°F -8.9°C 63% 29.90 in / 1012.4 hPa 10.0 miles / 16.1 kilometers SW 9.2 mph / 14.8 km/h - N/A   Mostly Cloudy
6:54 AM 27.0°F -2.8°C 15.1°F -9.4°C 61% 29.92 in / 1013.2 hPa 10.0 miles / 16.1 kilometers SSW 9.2 mph / 14.8 km/h - N/A   Overcast
7:28 AM 26.1°F -3.3°C 15.1°F -9.4°C 63% 29.89 in / 1012.1 hPa 10.0 miles / 16.1 kilometers SSW 6.9 mph / 11.1 km/h - N/A   Scattered Clouds
7:54 AM 26.1°F -3.3°C 16.0°F -8.9°C 66% 29.93 in / 1013.3 hPa 10.0 miles / 16.1 kilometers SW 8.1 mph / 13.0 km/h - N/A   Partly Cloudy
8:54 AM 27.0°F -2.8°C 16.0°F -8.9°C 63% 29.91 in / 1012.9 hPa 10.0 miles / 16.1 kilometers SSW 5.8 mph / 9.3 km/h - N/A   Clear
9:09 AM 27.0°F -2.8°C 16.0°F -8.9°C 63% 29.88 in / 1011.7 hPa 10.0 miles / 16.1 kilometers SSW 6.9 mph / 11.1 km/h - N/A   Scattered Clouds
9:54 AM 30.0°F -1.1°C 17.1°F -8.3°C 59% 29.90 in / 1012.4 hPa 10.0 miles / 16.1 kilometers SW 6.9 mph / 11.1 km/h - N/A   Mostly Cloudy
10:54 AM 32.0°F 0.0°C 17.1°F -8.3°C 54% 29.88 in / 1011.9 hPa 10.0 miles / 16.1 kilometers WSW 8.1 mph / 13.0 km/h - N/A   Overcast
11:54 AM 32.0°F 0.0°C 17.1°F -8.3°C 54% 29.86 in / 1010.9 hPa 10.0 miles / 16.1 kilometers SSW 5.8 mph / 9.3 km/h - N/A   Mostly Cloudy
12:54 PM 35.1°F 1.7°C 18.0°F -7.8°C 50% 29.81 in / 1009.4 hPa 10.0 miles / 16.1 kilometers South 8.1 mph / 13.0 km/h - N/A   Scattered Clouds
1:54 PM 36.0°F 2.2°C 12.9°F -10.6°C 39% 29.79 in / 1008.6 hPa 10.0 miles / 16.1 kilometers WSW 9.2 mph / 14.8 km/h - N/A   Mostly Cloudy
2:54 PM 36.0°F 2.2°C 10.9°F -11.7°C 36% 29.78 in / 1008.2 hPa 10.0 miles / 16.1 kilometers West 3.5 mph / 5.6 km/h - N/A   Mostly Cloudy
3:54 PM 35.1°F 1.7°C 14.0°F -10.0°C 42% 29.78 in / 1008.3 hPa 10.0 miles / 16.1 kilometers West 4.6 mph / 7.4 km/h - N/A   Mostly Cloudy
4:54 PM 33.1°F 0.6°C 12.9°F -10.6°C 43% 29.78 in / 1008.5 hPa 10.0 miles / 16.1 kilometers WNW 3.5 mph / 5.6 km/h - N/A   Mostly Cloudy
5:54 PM 30.0°F -1.1°C 15.1°F -9.4°C 54% 29.80 in / 1008.9 hPa 10.0 miles / 16.1 kilometers Calm Calm - N/A   Mostly Cloudy
6:54 PM 28.9°F -1.7°C 15.1°F -9.4°C 56% 29.80 in / 1008.9 hPa 10.0 miles / 16.1 kilometers NW 4.6 mph / 7.4 km/h - N/A   Mostly Cloudy
7:54 PM 30.0°F -1.1°C 12.9°F -10.6°C 49% 29.80 in / 1009.0 hPa 10.0 miles / 16.1 kilometers WNW 6.9 mph / 11.1 km/h - N/A   Mostly Cloudy
9:54 PM 30.0°F -1.1°C 16.0°F -8.9°C 56% 29.78 in / 1008.5 hPa 10.0 miles / 16.1 kilometers West 5.8 mph / 9.3 km/h - N/A   Overcast
10:54 PM 30.0°F -1.1°C 17.1°F -8.3°C 59% 29.78 in / 1008.5 hPa 10.0 miles / 16.1 kilometers West 6.9 mph / 11.1 km/h - N/A   Mostly Cloudy
11:54 PM 28.9°F -1.7°C 19.0°F -7.2°C 67% 29.78 in / 1008.3 hPa 10.0 miles / 16.1 kilometers WSW 8.1 mph / 13.0 km/h - N/A   Mostly Cloudy