Weather History for Summerville, SC

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Monday, December 19, 2011

  Actual Average (KCHS) Record (KCHS)
Temperature  
Mean Temperature 47 °F 50 °F  
Max Temperature 66 °F 61 °F 82 °F (1967)
Min Temperature 28 °F 39 °F 16 °F (1953)
Degree Days  
Heating Degree Days 18 15  
Month to date heating degree days 252  
Since 1 July heating degree days 544  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 2297  
Moisture  
Dew Point 39 °F    
Average Humidity 81    
Maximum Humidity 100    
Minimum Humidity 40    
Precipitation  
Precipitation 0.00 in 0.11 in 1.39 in (1999)
Month to date precipitation 1.82  
Year to date precipitation 49.74  
Sea Level Pressure  
Sea Level Pressure 30.32 in    
Wind  
Wind Speed 1 mph (South)    
Max Wind Speed 8 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Dec. 19, 2011 Rise Set
Actual Time 7:19 AM EST 5:17 PM EST
Civil Twilight 6:51 AM EST 5:44 PM EST
Nautical Twilight 6:20 AM EST 6:15 PM EST
Astronomical Twilight 5:50 AM EST 6:45 PM EST
Moon 1:39 AM EST (12/19) 1:05 PM EST (12/19)
Length of Visible Light 10h 53m
Length of Day
9h 58m
Waning Crescent, 31% of the Moon is Illuminated
Dec 19
Waning Crescent
Dec 24
New
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 32.0 °F 32.0 °F 100% 30.37 in 10.0 mi Calm Calm - N/A   Clear
12:35 AM 32.0 °F 32.0 °F 100% 30.36 in 10.0 mi Calm Calm - N/A   Clear
12:55 AM 32.0 °F 32.0 °F 100% 30.35 in 10.0 mi Calm Calm - N/A   Clear
1:15 AM 32.0 °F 32.0 °F 100% 30.35 in 10.0 mi Calm Calm - N/A   Clear
1:35 AM 32.0 °F 32.0 °F 100% 30.35 in 10.0 mi Calm Calm - N/A   Clear
1:55 AM 30.2 °F 30.2 °F 100% 30.34 in 10.0 mi Calm Calm - N/A   Clear
2:15 AM 30.2 °F 30.2 °F 100% 30.35 in 10.0 mi Calm Calm - N/A   Clear
2:35 AM 30.2 °F 30.2 °F 100% 30.34 in 10.0 mi Calm Calm - N/A   Clear
2:55 AM 30.2 °F 30.2 °F 100% 30.33 in 10.0 mi Calm Calm - N/A   Clear
3:15 AM 30.2 °F 30.2 °F 100% 30.34 in 10.0 mi Calm Calm - N/A   Clear
3:35 AM 30.2 °F 30.2 °F 100% 30.34 in 10.0 mi Calm Calm - N/A   Clear
4:15 AM 30.2 °F 30.2 °F 100% 30.33 in 10.0 mi Calm Calm - N/A   Clear
4:35 AM 30.2 °F 30.2 °F 100% 30.33 in 10.0 mi Calm Calm - N/A   Clear
4:55 AM 30.2 °F 30.2 °F 100% 30.33 in 10.0 mi Calm Calm - N/A   Clear
5:15 AM 30.2 °F 30.2 °F 100% 30.33 in 10.0 mi Calm Calm - N/A   Clear
5:35 AM 30.2 °F 30.2 °F 100% 30.33 in 10.0 mi Calm Calm - N/A   Clear
5:55 AM 28.4 °F 28.4 °F 100% 30.33 in 10.0 mi Calm Calm - N/A   Clear
6:15 AM 28.4 °F 28.4 °F 100% 30.34 in 10.0 mi Calm Calm - N/A   Clear
6:35 AM 28.4 °F 28.4 °F 100% 30.35 in 10.0 mi Calm Calm - N/A   Clear
6:55 AM 28.4 °F 28.4 °F 100% 30.35 in 10.0 mi Calm Calm - N/A   Clear
7:15 AM 28.4 °F 28.4 °F 100% 30.35 in 10.0 mi Calm Calm - N/A   Clear
7:35 AM 28.4 °F 28.4 °F 100% 30.36 in 10.0 mi Calm Calm - N/A   Clear
7:55 AM 30.2 °F 30.2 °F 100% 30.36 in 10.0 mi Calm Calm - N/A   Clear
8:15 AM 30.2 °F 30.2 °F 100% 30.37 in 10.0 mi Calm Calm - N/A   Clear
8:35 AM 32.0 °F 32.0 °F 100% 30.37 in 10.0 mi Calm Calm - N/A   Clear
8:55 AM 35.6 °F 35.6 °F 100% 30.37 in 10.0 mi Calm Calm - N/A   Clear
9:15 AM 41.0 °F 37.4 °F 87% 30.38 in 10.0 mi Calm Calm - N/A   Clear
9:35 AM 46.4 °F 39.2 °F 76% 30.38 in 10.0 mi Calm Calm - N/A   Clear
9:55 AM 51.8 °F 39.2 °F 62% 30.38 in 10.0 mi Calm Calm - N/A   Clear
10:15 AM 55.4 °F 39.2 °F 54% 30.37 in 10.0 mi ESE 4.6 mph - N/A   Clear
10:35 AM 57.2 °F 41.0 °F 55% 30.37 in 10.0 mi SE 4.6 mph - N/A   Clear
10:55 AM 59.0 °F 41.0 °F 51% 30.37 in 10.0 mi SSE 8.1 mph - N/A   Clear
11:15 AM 60.8 °F 41.0 °F 48% 30.37 in 10.0 mi South 5.8 mph - N/A   Clear
11:35 AM 60.8 °F 42.8 °F 52% 30.36 in 10.0 mi SE 6.9 mph - N/A   Clear
11:55 AM 62.6 °F 41.0 °F 45% 30.35 in 10.0 mi SSE 6.9 mph - N/A   Clear
12:15 PM 62.6 °F 39.2 °F 42% 30.34 in 10.0 mi SE 5.8 mph - N/A   Clear
12:35 PM 64.4 °F 39.2 °F 40% 30.33 in 10.0 mi SW 4.6 mph - N/A   Clear
12:55 PM 64.4 °F 42.8 °F 45% 30.31 in 10.0 mi SW 4.6 mph - N/A   Clear
1:15 PM 64.4 °F 42.8 °F 45% 30.31 in 10.0 mi SSW 6.9 mph - N/A   Clear
1:35 PM 66.2 °F 44.6 °F 46% 30.30 in 10.0 mi South 5.8 mph - N/A   Clear
2:15 PM 66.2 °F 46.4 °F 49% 30.28 in 10.0 mi SSW 5.8 mph - N/A   Clear
2:35 PM 66.2 °F 46.4 °F 49% 30.28 in 10.0 mi South 8.1 mph - N/A   Scattered Clouds
2:55 PM 66.2 °F 46.4 °F 49% 30.27 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
3:15 PM 64.4 °F 46.4 °F 52% 30.27 in 10.0 mi South 6.9 mph - N/A   Scattered Clouds
3:35 PM 64.4 °F 48.2 °F 56% 30.27 in 10.0 mi South 8.1 mph - N/A   Clear
3:55 PM 64.4 °F 50.0 °F 59% 30.27 in 10.0 mi SSE 5.8 mph - N/A   Scattered Clouds
4:15 PM 64.4 °F 50.0 °F 59% 30.27 in 10.0 mi SSE 3.5 mph - N/A   Clear
4:35 PM 62.6 °F 50.0 °F 63% 30.27 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:15 PM 60.8 °F 50.0 °F 68% 30.27 in 10.0 mi SSE 3.5 mph - N/A   Clear
5:35 PM 59.0 °F 50.0 °F 72% 30.27 in 10.0 mi Calm Calm - N/A   Clear
5:55 PM 57.2 °F 50.0 °F 77% 30.27 in 10.0 mi Calm Calm - N/A   Clear
6:15 PM 55.4 °F 50.0 °F 82% 30.27 in 10.0 mi Calm Calm - N/A   Clear
6:35 PM 53.6 °F 48.2 °F 82% 30.27 in 10.0 mi SSE 3.5 mph - N/A   Clear
6:55 PM 53.6 °F 48.2 °F 82% 30.28 in 10.0 mi Calm Calm - N/A   Clear
7:15 PM 51.8 °F 46.4 °F 82% 30.28 in 10.0 mi SSE 3.5 mph - N/A   Clear
7:35 PM 50.0 °F 46.4 °F 87% 30.29 in 10.0 mi Calm Calm - N/A   Clear
7:55 PM 48.2 °F 46.4 °F 93% 30.28 in 10.0 mi Calm Calm - N/A   Clear
8:15 PM 48.2 °F 46.4 °F 93% 30.28 in 10.0 mi Calm Calm - N/A   Clear
8:35 PM 46.4 °F 46.4 °F 100% 30.29 in 10.0 mi Calm Calm - N/A   Clear
8:55 PM 44.6 °F 44.6 °F 100% 30.28 in 10.0 mi Calm Calm - N/A   Clear
9:15 PM 44.6 °F 44.6 °F 100% 30.28 in 10.0 mi Calm Calm - N/A   Clear
9:35 PM 44.6 °F 44.6 °F 100% 30.28 in 10.0 mi Calm Calm - N/A   Clear
9:55 PM 44.6 °F 44.6 °F 100% 30.28 in 10.0 mi Calm Calm - N/A   Clear
10:15 PM 44.6 °F 44.6 °F 100% 30.28 in 10.0 mi Calm Calm - N/A   Clear
10:35 PM 44.6 °F 44.6 °F 100% 30.27 in 10.0 mi Calm Calm - N/A   Clear
10:55 PM 44.6 °F 44.6 °F 100% 30.27 in 10.0 mi Calm Calm - N/A   Clear
11:15 PM 42.8 °F 42.8 °F 100% 30.26 in 10.0 mi Calm Calm - N/A   Clear
11:35 PM 42.8 °F 42.8 °F 100% 30.26 in 10.0 mi Calm Calm - N/A   Clear
11:55 PM 42.8 °F 42.8 °F 100% 30.25 in 10.0 mi Calm Calm - N/A   Clear