Weather History for St. Charles, MO

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Wednesday, August 7, 2013

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 79 °F 80 °F  
Max Temperature 87 °F 89 °F 103 °F (1930)
Min Temperature 71 °F 71 °F 55 °F (1972)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0  
Since 1 June heating degree days 5  
Since 1 July heating degree days 0  
Cooling Degree Days 14 15  
Month to date cooling degree days 105  
Year to date cooling degree days 1080  
Since 1 June cooling degree days 906  
Growing Degree Days 29 (Base 50)    
Moisture  
Dew Point 71 °F    
Average Humidity 80    
Maximum Humidity 100    
Minimum Humidity 55    
Precipitation  
Precipitation 0.19 in 0.10 in 2.10 in (1906)
Month to date precipitation 0.74  
Year to date precipitation 25.50  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2013)
Month to date snowfall 0.0  
Since 1 June snowfall 0.0  
Since 1 July snowfall 0.0  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.86 in    
Wind  
Wind Speed 6 mph (SW)    
Max Wind Speed 12 mph    
Max Gust Speed 18 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 07, 2013 Rise Set
Actual Time 6:08 AM CDT 8:06 PM CDT
Civil Twilight 5:39 AM CDT 8:35 PM CDT
Nautical Twilight 5:03 AM CDT 9:10 PM CDT
Astronomical Twilight 4:25 AM CDT 9:48 PM CDT
Moon 6:55 AM CDT (8/7) 8:14 PM CDT (8/7)
Length of Visible Light 14h 56m
Length of Day
13h 57m
New Moon, 1% of the Moon is Illuminated
Aug 7
New Moon
Aug 14
First Quarter
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New

Hourly Weather History & Observations

Time (CDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 72.0 °F - 70.0 °F 93% 29.85 in 10.0 mi East 4.6 mph - N/A   Clear
1:54 AM 72.0 °F - 70.0 °F 93% 29.83 in 10.0 mi SE 4.6 mph - N/A   Clear
2:54 AM 71.1 °F - 70.0 °F 96% 29.82 in 10.0 mi SE 3.5 mph - N/A   Clear
3:54 AM 71.1 °F - 70.0 °F 96% 29.81 in 8.0 mi ENE 4.6 mph - N/A   Clear
4:54 AM 72.0 °F - 70.0 °F 93% 29.81 in 9.0 mi Calm Calm - N/A   Clear
5:54 AM 72.0 °F - 71.1 °F 97% 29.81 in 8.0 mi SE 4.6 mph - N/A   Clear
6:54 AM 73.0 °F - 71.1 °F 93% 29.86 in 8.0 mi SW 5.8 mph - N/A   Mostly Cloudy
7:54 AM 73.0 °F - 69.1 °F 87% 29.88 in 10.0 mi SW 10.4 mph - N/A   Scattered Clouds
8:38 AM 73.4 °F - 69.8 °F 88% 29.90 in 10.0 mi SW 9.2 mph - N/A   Mostly Cloudy
8:54 AM 73.0 °F - 69.1 °F 87% 29.88 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
9:12 AM 73.4 °F - 69.8 °F 88% 29.88 in 10.0 mi SW 11.5 mph - N/A   Scattered Clouds
9:54 AM 77.0 °F - 70.0 °F 79% 29.87 in 10.0 mi SW 11.5 mph 18.4 mph N/A   Clear
10:54 AM 81.0 °F 84.4 °F 70.0 °F 69% 29.87 in 10.0 mi West 9.2 mph - N/A   Clear
11:54 AM 82.9 °F 86.5 °F 69.1 °F 63% 29.87 in 10.0 mi WSW 8.1 mph - N/A   Clear
12:54 PM 84.0 °F 87.8 °F 69.1 °F 61% 29.87 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
1:54 PM 86.0 °F 89.4 °F 68.0 °F 55% 29.86 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
2:54 PM 87.1 °F 91.3 °F 69.1 °F 55% 29.84 in 10.0 mi West 6.9 mph - N/A   Clear
3:54 PM 86.0 °F 91.5 °F 71.1 °F 61% 29.83 in 10.0 mi West 6.9 mph - N/A   Clear
4:54 PM 87.1 °F 93.6 °F 72.0 °F 61% 29.84 in 10.0 mi WSW 8.1 mph - N/A   Clear
5:54 PM 86.0 °F 92.2 °F 72.0 °F 63% 29.85 in 10.0 mi WSW 3.5 mph - N/A   Partly Cloudy
6:54 PM 84.0 °F 90.2 °F 73.0 °F 69% 29.85 in 10.0 mi West 5.8 mph - N/A   Partly Cloudy
7:54 PM 82.0 °F 87.9 °F 73.9 °F 76% 29.87 in 10.0 mi WNW 6.9 mph - N/A   Overcast
8:54 PM 81.0 °F 86.2 °F 73.9 °F 79% 29.87 in 9.0 mi Calm Calm - N/A   Overcast
9:54 PM 80.1 °F 84.5 °F 73.9 °F 81% 29.89 in 8.0 mi Calm Calm - N/A   Overcast
10:54 PM 77.0 °F - 72.0 °F 84% 29.90 in 9.0 mi East 5.8 mph - N/A   Overcast
11:43 PM 73.4 °F - 73.4 °F 100% 29.93 in 2.5 mi NE 5.8 mph - 0.12 in Rain Rain
11:54 PM 73.9 °F - 73.0 °F 97% 29.92 in 2.0 mi North 6.9 mph - 0.19 in Rain Heavy Rain