Weather History for Rock Hill, SC

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Saturday, May 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 70 °F -  
Max Temperature 73 °F 81 °F 94 °F (1962)
Min Temperature 66 °F 57 °F 40 °F (1973)
Cooling Degree Days 4    
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 63 °F    
Average Humidity 79    
Maximum Humidity 93    
Minimum Humidity 71    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.09 in    
Wind  
Wind Speed 3 mph (SSW)    
Max Wind Speed 8 mph    
Max Gust Speed -    
Visibility 9 miles    
Events Rain    
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

May. 18, 2013 Rise Set
Actual Time 6:18 AM EDT 8:23 PM EDT
Civil Twilight 5:50 AM EDT 8:51 PM EDT
Nautical Twilight 5:15 AM EDT 9:26 PM EDT
Astronomical Twilight 4:38 AM EDT 10:03 PM EDT
Moon 1:40 PM EDT (5/18) 1:53 AM EDT (5/18)
Length of Visible Light 15h 01m
Length of Day
14h 05m
First Quarter, 55% of the Moon is Illuminated
May 18
First Quarter
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 68.0 °F 63.0 °F 84% 30.07 in 9.0 mi Calm Calm - N/A   Partly Cloudy
1:54 AM 66.9 °F 63.0 °F 87% 30.06 in 9.0 mi Calm Calm - N/A   Clear
2:54 AM 70.0 °F 63.0 °F 78% 30.05 in 9.0 mi South 4.6 mph - N/A   Partly Cloudy
3:54 AM 69.1 °F 63.0 °F 81% 30.06 in 9.0 mi SSW 5.8 mph - N/A   Scattered Clouds
4:54 AM 66.0 °F 62.1 °F 87% 30.05 in 9.0 mi South 4.6 mph - N/A   Scattered Clouds
5:54 AM 66.0 °F 61.0 °F 84% 30.06 in 9.0 mi SSW 4.6 mph - N/A   Clear
6:54 AM 66.9 °F 61.0 °F 81% 30.08 in 8.0 mi South 4.6 mph - N/A   Clear
7:54 AM 68.0 °F 60.1 °F 76% 30.10 in 9.0 mi South 4.6 mph - N/A   Scattered Clouds
8:54 AM 69.1 °F 61.0 °F 75% 30.12 in 9.0 mi SW 8.1 mph - N/A   Partly Cloudy
9:54 AM 70.0 °F 61.0 °F 73% 30.14 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
10:54 AM 73.0 °F 63.0 °F 71% 30.13 in 9.0 mi WNW 4.6 mph - N/A   Partly Cloudy
11:54 AM 72.0 °F 62.1 °F 71% 30.13 in 10.0 mi Variable 5.8 mph - N/A   Clear
12:54 PM 72.0 °F 64.0 °F 76% 30.13 in 9.0 mi NW 4.6 mph - N/A   Mostly Cloudy
1:54 PM 70.0 °F 64.0 °F 81% 30.12 in 8.0 mi Calm Calm - 0.00 in Rain Light Rain
3:54 PM 73.0 °F 64.9 °F 76% 30.08 in 9.0 mi Calm Calm - 0.00 in   Overcast
4:54 PM 73.9 °F 64.0 °F 71% 30.07 in 5.0 mi Calm Calm - N/A   Haze
5:54 PM 73.0 °F 64.0 °F 73% 30.07 in 9.0 mi Variable 4.6 mph - N/A   Overcast
6:54 PM 72.0 °F 64.0 °F 76% 30.07 in 9.0 mi Calm Calm - N/A   Overcast
7:54 PM 72.0 °F 64.9 °F 78% 30.09 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
8:54 PM 71.1 °F 66.0 °F 84% 30.08 in 9.0 mi Calm Calm - N/A   Overcast
9:54 PM 70.0 °F 64.9 °F 84% 30.09 in 9.0 mi South 4.6 mph - N/A   Overcast
10:54 PM 68.0 °F 64.0 °F 87% 30.09 in 10.0 mi Variable 6.9 mph - N/A   Overcast
11:54 PM 66.9 °F 64.9 °F 93% 30.09 in 10.0 mi South 6.9 mph - N/A   Scattered Clouds