Weather History for St. Charles, MO

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Friday, June 28, 2013

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 82 °F 79 °F  
Max Temperature 89 °F 88 °F 108 °F (2012)
Min Temperature 75 °F 70 °F 54 °F (1968)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 3  
Since 1 June heating degree days 3  
Since 1 July heating degree days 4533  
Cooling Degree Days 17 14  
Month to date cooling degree days 304  
Year to date cooling degree days 478  
Since 1 June cooling degree days 304  
Growing Degree Days 32 (Base 50)    
Moisture  
Dew Point 63 °F    
Average Humidity 58    
Maximum Humidity 87    
Minimum Humidity 31    
Precipitation  
Precipitation 0.00 in 0.13 in 4.70 in (1902)
Month to date precipitation 4.04  
Year to date precipitation 20.41  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2012)
Month to date snowfall 0.0  
Since 1 June snowfall 0.0  
Since 1 July snowfall 17.7  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.76 in    
Wind  
Wind Speed 8 mph (WNW)    
Max Wind Speed 18 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jun. 28, 2013 Rise Set
Actual Time 5:38 AM CDT 8:31 PM CDT
Civil Twilight 5:06 AM CDT 9:03 PM CDT
Nautical Twilight 4:26 AM CDT 9:43 PM CDT
Astronomical Twilight 3:40 AM CDT 10:29 PM CDT
Moon No Moon Rise 11:43 AM CDT (6/28)
Length of Visible Light 15h 56m
Length of Day
14h 52m
Waning Gibbous, 66% of the Moon is Illuminated
Jun 28
Waning Gibbous
Jun 29
Last Quarter
Jul 8
New
Jul 15
First Quarter
Jul 22
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 77.0 °F - 71.1 °F 82% 29.82 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:54 AM 77.0 °F - 72.0 °F 84% 29.82 in 10.0 mi West 4.6 mph - N/A   Clear
2:54 AM 75.0 °F - 71.1 °F 87% 29.80 in 10.0 mi SW 3.5 mph - N/A   Scattered Clouds
3:54 AM 75.9 °F - 71.1 °F 85% 29.80 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
4:54 AM 75.0 °F - 70.0 °F 84% 29.80 in 10.0 mi WNW 6.9 mph - N/A   Scattered Clouds
5:54 AM 75.0 °F - 70.0 °F 84% 29.80 in 10.0 mi WNW 10.4 mph - N/A   Clear
6:54 AM 75.9 °F - 69.1 °F 79% 29.79 in 10.0 mi WNW 9.2 mph - N/A   Clear
7:54 AM 77.0 °F - 69.1 °F 76% 29.79 in 10.0 mi WNW 10.4 mph - N/A   Clear
8:54 AM 81.0 °F 83.8 °F 68.0 °F 65% 29.79 in 10.0 mi NW 11.5 mph - N/A   Clear
9:54 AM 82.9 °F 85.4 °F 66.9 °F 58% 29.78 in 10.0 mi West 11.5 mph - N/A   Clear
10:54 AM 84.9 °F 86.6 °F 64.9 °F 51% 29.76 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
11:54 AM 89.1 °F 90.3 °F 64.0 °F 43% 29.77 in 10.0 mi WNW 12.7 mph 21.9 mph N/A   Clear
12:54 PM 88.0 °F 88.4 °F 62.1 °F 42% 29.77 in 10.0 mi NW 16.1 mph - N/A   Clear
1:54 PM 88.0 °F 87.9 °F 61.0 °F 40% 29.75 in 10.0 mi NNW 16.1 mph 25.3 mph N/A   Partly Cloudy
2:54 PM 88.0 °F 87.1 °F 59.0 °F 37% 29.74 in 10.0 mi NNW 18.4 mph 26.5 mph N/A   Clear
3:54 PM 88.0 °F 86.5 °F 55.9 °F 34% 29.73 in 10.0 mi NNW 16.1 mph 23.0 mph N/A   Clear
4:54 PM 88.0 °F 85.9 °F 54.0 °F 31% 29.72 in 10.0 mi WNW 18.4 mph 24.2 mph N/A   Partly Cloudy
5:54 PM 86.0 °F 84.5 °F 55.0 °F 35% 29.71 in 10.0 mi NW 11.5 mph - N/A   Mostly Cloudy
6:54 PM 84.9 °F 83.7 °F 55.9 °F 37% 29.70 in 10.0 mi NW 16.1 mph 20.7 mph N/A   Clear
7:54 PM 82.9 °F 82.1 °F 55.9 °F 39% 29.70 in 10.0 mi WNW 11.5 mph - N/A   Clear
8:54 PM 80.1 °F 80.6 °F 57.9 °F 47% 29.70 in 10.0 mi West 6.9 mph - N/A   Clear
9:54 PM 77.0 °F - 59.0 °F 54% 29.71 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
10:54 PM 75.9 °F - 60.1 °F 58% 29.70 in 10.0 mi WNW 9.2 mph - N/A   Clear
11:54 PM 75.0 °F - 60.1 °F 60% 29.68 in 10.0 mi WNW 6.9 mph - N/A   Partly Cloudy