Weather History for St. Charles, MO

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Wednesday, May 29, 2013

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 76 °F 71 °F  
Max Temperature 88 °F 80 °F 94 °F (1926)
Min Temperature 64 °F 61 °F 41 °F (1984)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 73  
Since 1 July heating degree days 4529  
Cooling Degree Days 10 6  
Month to date cooling degree days 114  
Year to date cooling degree days 160  
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 64 °F    
Average Humidity 65    
Maximum Humidity 90    
Minimum Humidity 49    
Precipitation  
Precipitation 0.01 in 0.17 in 2.13 in (1898)
Month to date precipitation 4.39  
Year to date precipitation 16.04  
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 29.88 in    
Wind  
Wind Speed 10 mph (SSE)    
Max Wind Speed 20 mph    
Max Gust Speed 30 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 29, 2013 Rise Set
Actual Time 5:39 AM CDT 8:19 PM CDT
Civil Twilight 5:08 AM CDT 8:50 PM CDT
Nautical Twilight 4:29 AM CDT 9:29 PM CDT
Astronomical Twilight 3:45 AM CDT 10:13 PM CDT
Moon No Moon Rise 10:37 AM CDT (5/29)
Length of Visible Light 15h 42m
Length of Day
14h 40m
Waning Gibbous, 73% of the Moon is Illuminated
May 29
Waning Gibbous
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Jun 23
Full

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 73.0 °F - 64.0 °F 73% 29.91 in 10.0 mi NNW 5.8 mph - N/A   Partly Cloudy
1:54 AM 68.0 °F - 61.0 °F 78% 29.92 in 10.0 mi NE 6.9 mph - N/A   Mostly Cloudy
2:54 AM 66.9 °F - 61.0 °F 81% 29.93 in 10.0 mi ESE 5.8 mph - N/A   Overcast
3:54 AM 68.0 °F - 60.1 °F 76% 29.93 in 10.0 mi ESE 9.2 mph - N/A   Clear
4:54 AM 66.9 °F - 61.0 °F 81% 29.91 in 10.0 mi ESE 8.1 mph - N/A   Clear
5:54 AM 64.9 °F - 61.0 °F 87% 29.92 in 10.0 mi East 5.8 mph - N/A   Clear
6:54 AM 66.0 °F - 63.0 °F 90% 29.92 in 10.0 mi East 5.8 mph - N/A   Clear
7:54 AM 72.0 °F - 63.0 °F 73% 29.93 in 10.0 mi South 9.2 mph - N/A   Clear
8:54 AM 75.0 °F - 64.9 °F 71% 29.94 in 10.0 mi South 10.4 mph - N/A   Clear
9:54 AM 77.0 °F - 66.0 °F 69% 29.92 in 10.0 mi SSW 11.5 mph - N/A   Clear
10:54 AM 81.0 °F 83.8 °F 68.0 °F 65% 29.90 in 10.0 mi SSW 12.7 mph - N/A   Clear
11:54 AM 82.9 °F 85.8 °F 68.0 °F 60% 29.90 in 10.0 mi South 19.6 mph 25.3 mph N/A   Clear
12:54 PM 86.0 °F 87.6 °F 64.9 °F 49% 29.89 in 10.0 mi South 18.4 mph 27.6 mph N/A   Clear
1:54 PM 86.0 °F 87.6 °F 64.9 °F 49% 29.87 in 10.0 mi South 19.6 mph 23.0 mph N/A   Clear
2:54 PM 87.1 °F 89.2 °F 66.0 °F 49% 29.86 in 10.0 mi SSW 16.1 mph 24.2 mph N/A   Scattered Clouds
3:54 PM 84.0 °F 86.5 °F 66.9 °F 56% 29.86 in 10.0 mi South 19.6 mph 25.3 mph N/A   Partly Cloudy
4:54 PM 86.0 °F 88.2 °F 66.0 °F 51% 29.85 in 10.0 mi South 18.4 mph 25.3 mph N/A   Clear
5:54 PM 84.0 °F 85.8 °F 64.9 °F 53% 29.82 in 10.0 mi South 18.4 mph 28.8 mph N/A   Clear
6:54 PM 82.0 °F 83.1 °F 63.0 °F 52% 29.82 in 10.0 mi South 15.0 mph 29.9 mph N/A   Partly Cloudy
7:54 PM 80.1 °F 81.1 °F 61.0 °F 52% 29.80 in 10.0 mi South 11.5 mph - N/A   Clear
8:54 PM 80.1 °F 81.2 °F 62.1 °F 54% 29.80 in 10.0 mi South 10.4 mph 25.3 mph N/A   Clear
9:54 PM 78.1 °F - 64.0 °F 62% 29.85 in 10.0 mi South 10.4 mph - N/A   Clear
10:54 PM 77.0 °F - 63.0 °F 62% 29.88 in 10.0 mi South 9.2 mph - 0.01 in   Clear
11:54 PM 73.0 °F - 64.0 °F 73% 29.89 in 10.0 mi ESE 6.9 mph - N/A   Scattered Clouds