Weather History for St. Charles, MO

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Saturday, May 4, 2013

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 44 °F 63 °F  
Max Temperature 48 °F 73 °F 92 °F (1952)
Min Temperature 41 °F 54 °F 33 °F (1954)
Degree Days  
Heating Degree Days 20 4  
Month to date heating degree days 17  
Since 1 July heating degree days 4473  
Cooling Degree Days 0 2  
Month to date cooling degree days 8  
Year to date cooling degree days 54  
Moisture  
Dew Point 41 °F    
Average Humidity 88    
Maximum Humidity 93    
Minimum Humidity 76    
Precipitation  
Precipitation 0.03 in 0.15 in 2.03 in (1905)
Month to date precipitation 0.57  
Year to date precipitation 12.22  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2013)
Month to date snowfall 0.0  
Since 1 July snowfall 17.7  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 5 mph (SE)    
Max Wind Speed 9 mph    
Max Gust Speed -    
Visibility 8 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 04, 2013 Rise Set
Actual Time 6:00 AM CDT 7:57 PM CDT
Civil Twilight 5:30 AM CDT 8:26 PM CDT
Nautical Twilight 4:55 AM CDT 9:02 PM CDT
Astronomical Twilight 4:17 AM CDT 9:40 PM CDT
Moon 2:55 AM CDT (5/4) 2:58 PM CDT (5/4)
Length of Visible Light 14h 55m
Length of Day
13h 57m
Waning Crescent, 27% of the Moon is Illuminated
May 4
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 42.1 °F 38.4 °F 39.9 °F 92% 29.85 in 10.0 mi SW 5.8 mph - N/A   Overcast
1:54 AM 42.1 °F 37.1 °F 39.0 °F 89% 29.85 in 10.0 mi SW 8.1 mph - 0.00 in   Overcast
2:54 AM 41.0 °F 35.2 °F 39.0 °F 93% 29.86 in 10.0 mi SSW 9.2 mph - N/A   Overcast
3:54 AM 41.0 °F 37.1 °F 39.0 °F 93% 29.87 in 10.0 mi SSW 5.8 mph - N/A   Overcast
4:54 AM 41.0 °F 38.0 °F 39.0 °F 93% 29.87 in 10.0 mi SSW 4.6 mph - N/A   Overcast
5:54 AM 41.0 °F 39.0 °F 39.0 °F 93% 29.88 in 10.0 mi SSW 3.5 mph - N/A   Overcast
6:23 AM 41.0 °F 39.0 °F 39.2 °F 93% 29.89 in 10.0 mi SSE 3.5 mph - N/A   Overcast
6:30 AM 41.0 °F 39.0 °F 39.2 °F 93% 29.89 in 10.0 mi South 3.5 mph - N/A   Overcast
6:54 AM 41.0 °F 39.0 °F 39.0 °F 93% 29.90 in 10.0 mi South 3.5 mph - N/A   Overcast
7:04 AM 42.8 °F 41.1 °F 39.2 °F 87% 29.90 in 10.0 mi SSE 3.5 mph - N/A   Overcast
7:26 AM 42.8 °F 40.1 °F 39.2 °F 87% 29.90 in 10.0 mi South 4.6 mph - N/A   Overcast
7:54 AM 42.1 °F 39.2 °F 39.0 °F 89% 29.92 in 10.0 mi South 4.6 mph - N/A   Overcast
8:54 AM 43.0 °F - 39.0 °F 86% 29.92 in 10.0 mi Calm Calm - N/A   Overcast
9:54 AM 44.1 °F 41.5 °F 39.0 °F 82% 29.92 in 10.0 mi South 4.6 mph - 0.00 in   Overcast
10:54 AM 45.0 °F 43.5 °F 37.9 °F 76% 29.94 in 10.0 mi SE 3.5 mph - N/A   Overcast
11:54 AM 46.0 °F 44.8 °F 39.0 °F 76% 29.94 in 10.0 mi East 3.5 mph - N/A   Overcast
12:54 PM 46.0 °F 42.5 °F 39.9 °F 79% 29.94 in 7.0 mi ESE 6.9 mph - N/A   Overcast
1:47 PM 46.4 °F 42.4 °F 42.8 °F 87% 29.94 in 2.5 mi SE 8.1 mph - 0.00 in Rain Light Rain
1:54 PM 46.0 °F 43.1 °F 42.1 °F 86% 29.94 in 1.5 mi ESE 5.8 mph - 0.01 in Rain Light Rain
1:58 PM 46.4 °F 44.3 °F 42.8 °F 87% 29.94 in 2.0 mi SE 4.6 mph - 0.00 in Rain Light Rain
2:16 PM 46.4 °F 43.5 °F 44.6 °F 93% 29.94 in 1.8 mi East 5.8 mph - 0.01 in Rain Light Rain
2:26 PM 46.4 °F 42.9 °F 42.8 °F 87% 29.94 in 2.5 mi ESE 6.9 mph - 0.02 in Rain Light Rain
2:38 PM 46.4 °F 43.5 °F 42.8 °F 87% 29.94 in 3.0 mi East 5.8 mph - 0.02 in Rain Light Rain
2:54 PM 46.0 °F 43.1 °F 43.0 °F 89% 29.95 in 3.0 mi East 5.8 mph - 0.02 in Rain Light Rain
3:23 PM 46.4 °F 43.5 °F 42.8 °F 87% 29.94 in 10.0 mi SE 5.8 mph - 0.00 in   Overcast
3:32 PM 48.2 °F - 42.8 °F 82% 29.95 in 10.0 mi SE 5.8 mph - 0.00 in   Overcast
3:46 PM 46.4 °F 44.3 °F 42.8 °F 87% 29.95 in 10.0 mi ESE 4.6 mph - 0.00 in   Overcast
3:54 PM 46.9 °F - 43.0 °F 86% 29.95 in 8.0 mi ESE 4.6 mph - 0.00 in   Overcast
4:01 PM 46.4 °F 44.3 °F 42.8 °F 87% 29.95 in 4.0 mi East 4.6 mph - 0.00 in Rain Light Rain
4:54 PM 46.9 °F - 43.0 °F 86% 29.96 in 4.0 mi SE 3.5 mph - 0.00 in Rain Light Rain
5:07 PM 46.4 °F 44.3 °F 42.8 °F 87% 29.96 in 10.0 mi SE 4.6 mph - 0.00 in Rain Light Rain
5:54 PM 48.0 °F - 43.0 °F 83% 29.96 in 10.0 mi East 5.8 mph - 0.00 in   Overcast
6:54 PM 48.0 °F - 43.0 °F 83% 29.97 in 10.0 mi NE 5.8 mph - N/A   Overcast
7:54 PM 46.9 °F - 43.0 °F 86% 29.98 in 10.0 mi ENE 4.6 mph - N/A   Overcast
8:54 PM 46.9 °F - 44.1 °F 90% 30.01 in 10.0 mi ENE 4.6 mph - N/A   Overcast
9:54 PM 46.9 °F - 44.1 °F 90% 30.02 in 10.0 mi NE 5.8 mph - N/A   Mostly Cloudy
10:54 PM 46.9 °F - 44.1 °F 90% 30.01 in 10.0 mi NNE 4.6 mph - 0.00 in   Overcast
11:54 PM 45.0 °F 43.5 °F 43.0 °F 93% 30.00 in 10.0 mi North 3.5 mph - N/A   Scattered Clouds