Weather History for Rock Hill, SC

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Tuesday, December 11, 2012

  Actual Average Record
Temperature  
Mean Temperature 54 °F -  
Max Temperature 61 °F 54 °F 78 °F (2007)
Min Temperature 46 °F 35 °F 19 °F (1981)
Degree Days  
Heating Degree Days 12    
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 80    
Maximum Humidity 100    
Minimum Humidity 54    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.90 in    
Wind  
Wind Speed 6 mph (WNW)    
Max Wind Speed 13 mph    
Max Gust Speed -    
Visibility 9 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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Date:

Astronomy

Dec. 11, 2012 Rise Set
Actual Time 7:22 AM EST 5:13 PM EST
Civil Twilight 6:54 AM EST 5:41 PM EST
Nautical Twilight 6:22 AM EST 6:12 PM EST
Astronomical Twilight 5:51 AM EST 6:43 PM EST
Moon 5:17 AM EST (12/11) 3:49 PM EST (12/11)
Length of Visible Light 10h 46m
Length of Day
9h 50m
Waning Crescent, 4% of the Moon is Illuminated
Dec 11
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
12:05 AM 61.0 °F - 59.0 °F 93% 29.76 in 10.0 mi SW 9.2 mph - N/A   Overcast
12:54 AM 60.1 °F - 57.9 °F 93% 29.74 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
1:02 AM 60.1 °F - 59.0 °F 96% 29.75 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
1:54 AM 59.0 °F - 57.9 °F 96% 29.74 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
2:01 AM 59.0 °F - 57.9 °F 96% 29.77 in 10.0 mi WSW 6.9 mph - N/A   Scattered Clouds
2:47 AM 59.0 °F - 57.9 °F 96% 29.78 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
2:54 AM 59.0 °F - 57.9 °F 96% 29.76 in 10.0 mi SW 5.8 mph - N/A   Mostly Cloudy
3:07 AM 59.0 °F - 59.0 °F 100% 29.78 in 10.0 mi SSW 4.6 mph - N/A   Overcast
3:54 AM 57.9 °F - 57.0 °F 97% 29.78 in 10.0 mi SW 5.8 mph - N/A   Overcast
4:24 AM 57.0 °F - 57.0 °F 100% 29.80 in 9.0 mi SW 6.9 mph - N/A   Mostly Cloudy
4:54 AM 55.0 °F - 55.0 °F 100% 29.80 in 6.0 mi SSW 4.6 mph - N/A   Scattered Clouds
5:54 AM 55.0 °F - 55.0 °F 100% 29.82 in 7.0 mi SSW 4.6 mph - N/A   Overcast
6:29 AM 53.1 °F - 53.1 °F 100% 29.85 in 1.8 mi SW 4.6 mph - N/A   Scattered Clouds
6:46 AM 53.1 °F - 53.1 °F 100% 29.86 in 3.0 mi WSW 3.5 mph - N/A   Partly Cloudy
6:54 AM 53.1 °F - 53.1 °F 100% 29.85 in 4.0 mi WSW 4.6 mph - N/A   Clear
7:07 AM 53.1 °F - 53.1 °F 100% 29.87 in 2.0 mi WNW 4.6 mph - N/A   Clear
7:17 AM 53.1 °F - 53.1 °F 100% 29.87 in 8.0 mi WNW 4.6 mph - N/A   Clear
7:54 AM 53.1 °F - 52.0 °F 96% 29.89 in 9.0 mi West 3.5 mph - N/A   Clear
9:54 AM 55.0 °F - 48.0 °F 77% 29.94 in 10.0 mi North 8.1 mph - N/A   Clear
10:54 AM 55.0 °F - 43.0 °F 64% 29.96 in 10.0 mi North 6.9 mph - N/A   Clear
11:54 AM 57.0 °F - 43.0 °F 59% 29.95 in 10.0 mi Variable 5.8 mph - N/A   Clear
12:54 PM 57.9 °F - 43.0 °F 58% 29.93 in 10.0 mi Calm Calm - N/A   Clear
1:54 PM 59.0 °F - 44.1 °F 58% 29.95 in 10.0 mi North 3.5 mph - N/A   Clear
2:54 PM 59.0 °F - 43.0 °F 55% 29.96 in 10.0 mi North 6.9 mph - N/A   Scattered Clouds
3:54 PM 57.0 °F - 43.0 °F 59% 29.98 in 10.0 mi NNE 5.8 mph - N/A   Clear
4:54 PM 55.0 °F - 41.0 °F 59% 30.01 in 10.0 mi NNE 5.8 mph - N/A   Mostly Cloudy
5:54 PM 53.1 °F - 39.9 °F 61% 30.02 in 10.0 mi NNE 4.6 mph - N/A   Scattered Clouds
6:54 PM 52.0 °F - 39.0 °F 61% 30.05 in 10.0 mi NE 4.6 mph - N/A   Clear
7:54 PM 51.1 °F - 36.0 °F 56% 30.06 in 10.0 mi NE 4.6 mph - N/A   Clear
8:54 PM 51.1 °F - 35.1 °F 54% 30.09 in 10.0 mi NE 5.8 mph - N/A   Clear
9:54 PM 48.9 °F - 34.0 °F 56% 30.12 in 10.0 mi NNE 9.2 mph - N/A   Clear
10:54 PM 46.9 °F - 32.0 °F 56% 30.12 in 10.0 mi NNE 12.7 mph - N/A   Clear
11:54 PM 46.0 °F 43.9 °F 30.9 °F 56% 30.15 in 10.0 mi NNE 4.6 mph - N/A   Clear