Weather History for St. Charles, MO

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Sunday, May 5, 2013

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 54 °F 64 °F  
Max Temperature 63 °F 73 °F 93 °F (1952)
Min Temperature 46 °F 54 °F 38 °F (1979)
Degree Days  
Heating Degree Days 10 4  
Month to date heating degree days 21  
Since 1 July heating degree days 4477  
Cooling Degree Days 0 2  
Month to date cooling degree days 10  
Year to date cooling degree days 56  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 50 °F    
Average Humidity 90    
Maximum Humidity 96    
Minimum Humidity 75    
Precipitation  
Precipitation 0.12 in 0.14 in 1.24 in (1961)
Month to date precipitation 0.71  
Year to date precipitation 12.36  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2012)
Month to date snowfall 0.0  
Since 1 July snowfall 17.7  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.96 in    
Wind  
Wind Speed 6 mph (North)    
Max Wind Speed 13 mph    
Max Gust Speed -    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 05, 2013 Rise Set
Actual Time 5:58 AM CDT 7:58 PM CDT
Civil Twilight 5:29 AM CDT 8:27 PM CDT
Nautical Twilight 4:54 AM CDT 9:03 PM CDT
Astronomical Twilight 4:15 AM CDT 9:41 PM CDT
Moon 3:27 AM CDT (5/5) 4:00 PM CDT (5/5)
Length of Visible Light 14h 57m
Length of Day
13h 59m
Waning Crescent, 18% of the Moon is Illuminated
May 5
Waning Crescent
May 9
New
May 17
First Quarter
May 24
Full
May 31
Last Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 46.9 °F - 44.1 °F 90% 30.01 in 10.0 mi NNE 6.9 mph - N/A   Overcast
1:54 AM 46.9 °F - 45.0 °F 93% 29.98 in 10.0 mi North 4.6 mph - N/A   Overcast
2:22 AM 46.4 °F - 44.6 °F 93% 29.99 in 10.0 mi Calm Calm - N/A   Overcast
2:39 AM 46.4 °F - 44.6 °F 93% 29.99 in 10.0 mi Calm Calm - N/A   Overcast
2:54 AM 46.9 °F - 45.0 °F 93% 29.99 in 10.0 mi Calm Calm - N/A   Overcast
3:19 AM 46.4 °F 44.3 °F 44.6 °F 93% 29.98 in 10.0 mi North 4.6 mph - N/A   Overcast
3:54 AM 46.9 °F - 45.0 °F 93% 29.99 in 10.0 mi North 3.5 mph - N/A   Overcast
4:27 AM 46.4 °F 44.3 °F 44.6 °F 93% 29.98 in 8.0 mi NNW 4.6 mph - N/A   Overcast
4:54 AM 46.9 °F - 45.0 °F 93% 29.98 in 6.0 mi NW 4.6 mph - N/A   Overcast
5:00 AM 46.4 °F 44.3 °F 44.6 °F 93% 29.98 in 5.0 mi NW 4.6 mph - N/A   Overcast
5:19 AM 46.4 °F 41.5 °F 44.6 °F 93% 29.98 in 6.0 mi NNW 10.4 mph - N/A   Overcast
5:54 AM 48.0 °F - 46.0 °F 93% 29.98 in 7.0 mi NW 6.9 mph - 0.01 in   Overcast
6:18 AM 48.2 °F - 46.4 °F 93% 29.97 in 9.0 mi NW 5.8 mph - 0.00 in Rain Light Rain
6:54 AM 48.9 °F - 46.9 °F 93% 29.98 in 10.0 mi North 5.8 mph - 0.00 in   Overcast
7:54 AM 50.0 °F - 48.9 °F 96% 29.97 in 5.0 mi North 10.4 mph - 0.00 in Rain Light Rain
8:54 AM 53.1 °F - 51.1 °F 93% 29.98 in 7.0 mi North 10.4 mph - 0.01 in Rain Light Rain
9:38 AM 55.4 °F - 51.8 °F 88% 29.97 in 10.0 mi NNE 10.4 mph - 0.00 in Rain Light Rain
9:54 AM 55.9 °F - 53.1 °F 90% 29.97 in 10.0 mi NNE 10.4 mph - 0.00 in   Overcast
10:54 AM 57.0 °F - 53.1 °F 87% 29.96 in 10.0 mi North 9.2 mph - N/A   Overcast
11:46 AM 57.2 °F - 53.6 °F 88% 29.96 in 10.0 mi North 6.9 mph - N/A   Overcast
11:54 AM 55.9 °F - 53.1 °F 90% 29.95 in 10.0 mi NNW 6.9 mph - N/A   Overcast
12:28 PM 57.2 °F - 53.6 °F 88% 29.94 in 10.0 mi NNW 9.2 mph - 0.00 in   Overcast
1:27 PM 60.8 °F - 55.4 °F 82% 29.93 in 10.0 mi North 10.4 mph - N/A   Overcast
1:34 PM 60.8 °F - 53.6 °F 77% 29.92 in 10.0 mi North 10.4 mph - N/A   Overcast
1:54 PM 60.1 °F - 54.0 °F 80% 29.92 in 3.0 mi NNE 6.9 mph - 0.01 in Rain Light Rain
2:54 PM 63.0 °F - 55.0 °F 75% 29.90 in 10.0 mi NNE 6.9 mph - 0.01 in   Overcast
3:43 PM 59.0 °F - 55.4 °F 88% 29.91 in 1.8 mi NE 10.4 mph - 0.04 in Rain Rain
3:54 PM 57.9 °F - 55.0 °F 90% 29.90 in 3.0 mi NNE 6.9 mph - 0.05 in Rain Light Rain
4:54 PM 60.1 °F - 55.9 °F 86% 29.90 in 10.0 mi NE 6.9 mph - 0.00 in   Overcast
5:54 PM 60.1 °F - 54.0 °F 80% 29.90 in 10.0 mi ENE 9.2 mph - N/A   Overcast
7:54 PM 57.0 °F - 54.0 °F 89% 29.93 in 8.0 mi NNE 12.7 mph - 0.03 in Rain Light Rain
8:54 PM 57.0 °F - 54.0 °F 89% 29.94 in 10.0 mi NE 9.2 mph - 0.00 in Rain Light Rain
9:54 PM 55.9 °F - 54.0 °F 93% 29.94 in 10.0 mi NNE 6.9 mph - 0.00 in   Overcast
10:54 PM 55.9 °F - 54.0 °F 93% 29.94 in 10.0 mi North 5.8 mph - N/A   Overcast
11:43 PM 55.4 °F - 53.6 °F 94% 29.94 in 10.0 mi North 6.9 mph - N/A   Overcast
11:54 PM 55.9 °F - 54.0 °F 93% 29.94 in 10.0 mi NNE 6.9 mph - N/A   Overcast