Weather History for St. Charles, MO

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Saturday, January 12, 2013

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 42 °F 32 °F  
Max Temperature 55 °F 40 °F 70 °F (1936)
Min Temperature 30 °F 23 °F -17 °F (1918)
Degree Days  
Heating Degree Days 22 34  
Month to date heating degree days 401  
Since 1 July heating degree days 2166  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 34 °F    
Average Humidity 78    
Maximum Humidity 97    
Minimum Humidity 48    
Precipitation  
Precipitation 0.33 in 0.07 in 1.67 in (2005)
Month to date precipitation 0.99  
Year to date precipitation 0.99  
Snow  
Snow 0.00 in 0.20 in 5.10 in (1964)
Month to date snowfall 2.2  
Since 1 July snowfall 7.3  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 7 mph (NNW)    
Max Wind Speed 17 mph    
Max Gust Speed 28 mph    
Visibility 8 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 12, 2013 Rise Set
Actual Time 7:19 AM CST 5:00 PM CST
Civil Twilight 6:50 AM CST 5:30 PM CST
Nautical Twilight 6:17 AM CST 6:03 PM CST
Astronomical Twilight 5:45 AM CST 6:35 PM CST
Moon 7:39 AM CST (1/12) 6:28 PM CST (1/12)
Length of Visible Light 10h 39m
Length of Day
9h 41m
New Moon, 1% of the Moon is Illuminated
Jan 12
New Moon
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 51.1 °F - 46.0 °F 83% 29.80 in 10.0 mi Calm Calm - N/A   Clear
1:54 AM 53.1 °F - 46.0 °F 77% 29.82 in 10.0 mi South 4.6 mph - N/A   Clear
2:54 AM 53.1 °F - 46.9 °F 80% 29.83 in 10.0 mi Calm Calm - N/A   Clear
3:54 AM 52.0 °F - 46.9 °F 83% 29.84 in 10.0 mi South 4.6 mph - N/A   Clear
4:54 AM 48.9 °F - 45.0 °F 86% 29.84 in 10.0 mi South 6.9 mph - N/A   Clear
5:54 AM 50.0 °F - 46.0 °F 86% 29.86 in 10.0 mi SSW 4.6 mph - N/A   Clear
6:54 AM 45.0 °F 43.5 °F 43.0 °F 93% 29.90 in 10.0 mi NW 3.5 mph - N/A   Clear
7:54 AM 43.0 °F 41.3 °F 42.1 °F 97% 29.91 in 10.0 mi ENE 3.5 mph - N/A   Clear
8:54 AM 50.0 °F - 48.0 °F 93% 29.93 in 10.0 mi Calm Calm - N/A   Clear
9:54 AM 55.0 °F - 39.0 °F 55% 29.95 in 9.0 mi NNW 10.4 mph - N/A   Clear
10:54 AM 53.1 °F - 35.1 °F 50% 29.96 in 7.0 mi NW 8.1 mph - N/A   Clear
11:54 AM 51.1 °F - 36.0 °F 56% 29.94 in 10.0 mi West 10.4 mph - N/A   Clear
12:54 PM 51.1 °F - 36.0 °F 56% 29.94 in 10.0 mi North 10.4 mph - N/A   Mostly Cloudy
1:54 PM 46.9 °F - 28.0 °F 48% 29.94 in 10.0 mi North 13.8 mph - N/A   Overcast
2:54 PM 46.0 °F 41.0 °F 30.0 °F 54% 29.93 in 10.0 mi North 10.4 mph - N/A   Overcast
3:34 PM 44.6 °F 39.2 °F 28.4 °F 53% 29.93 in 10.0 mi NNW 10.4 mph - 0.00 in   Overcast
3:51 PM 42.8 °F 35.8 °F 30.2 °F 61% 29.92 in 10.0 mi North 13.8 mph - 0.00 in   Overcast
3:54 PM 43.0 °F 36.0 °F 30.0 °F 60% 29.92 in 10.0 mi North 13.8 mph - 0.00 in   Overcast
4:54 PM 42.1 °F 34.2 °F 30.0 °F 62% 29.88 in 10.0 mi North 16.1 mph - N/A   Overcast
5:06 PM 42.8 °F 37.0 °F 28.4 °F 57% 29.88 in 10.0 mi North 10.4 mph - N/A   Overcast
5:54 PM 39.0 °F 31.0 °F 32.0 °F 76% 29.87 in 5.0 mi NNE 13.8 mph 20.7 mph 0.04 in Rain Rain
7:38 PM 33.8 °F 23.9 °F 30.2 °F 87% 29.91 in 6.0 mi NNW 15.0 mph - 0.09 in Rain Rain
7:54 PM 34.0 °F 23.8 °F 30.0 °F 85% 29.92 in 6.0 mi NNW 16.1 mph 27.6 mph 0.11 in Rain Rain
8:32 PM 32.0 °F 23.0 °F 28.4 °F 87% 29.92 in 4.0 mi NNW 11.5 mph 20.7 mph 0.07 in Rain Light Freezing Rain
8:39 PM 32.0 °F 23.0 °F 28.4 °F 87% 29.91 in 4.0 mi NNW 11.5 mph - 0.08 in Rain Light Freezing Rain
8:54 PM 32.0 °F 21.6 °F 28.9 °F 88% 29.91 in 5.0 mi North 15.0 mph 20.7 mph 0.10 in Rain Light Freezing Rain
9:14 PM 32.0 °F 22.1 °F 28.4 °F 87% 29.90 in 4.0 mi North 13.8 mph 24.2 mph 0.04 in Rain Light Freezing Rain
9:30 PM 32.0 °F 20.8 °F 28.4 °F 87% 29.90 in 6.0 mi NNW 17.3 mph 25.3 mph 0.05 in Rain Light Freezing Rain
9:54 PM 32.0 °F 22.1 °F 28.9 °F 88% 29.94 in 6.0 mi NNW 13.8 mph 20.7 mph 0.05 in Rain Light Freezing Rain
10:09 PM 32.0 °F 23.6 °F 28.4 °F 87% 29.92 in 3.0 mi NNW 10.4 mph - 0.02 in Rain Light Freezing Rain
10:17 PM 32.0 °F 21.6 °F 28.4 °F 87% 29.93 in 4.0 mi NNW 15.0 mph - 0.02 in   Overcast
10:52 PM 30.2 °F 21.3 °F 28.4 °F 93% 29.95 in 3.0 mi NNW 10.4 mph - 0.03 in Rain Light Freezing Rain
10:54 PM 30.9 °F 22.8 °F 28.9 °F 92% 29.96 in 3.0 mi NNW 9.2 mph - 0.03 in Rain Light Freezing Rain
11:01 PM 32.0 °F 23.6 °F 28.4 °F 87% 29.95 in 4.0 mi NNW 10.4 mph - 0.00 in Rain Light Freezing Rain
11:24 PM 30.2 °F 21.9 °F 28.4 °F 93% 29.95 in 7.0 mi NNW 9.2 mph - 0.00 in Rain Light Freezing Rain
11:54 PM 30.9 °F 22.2 °F 28.0 °F 89% 29.96 in 7.0 mi North 10.4 mph - 0.00 in Rain Light Freezing Rain