Weather History for St. Charles, MO

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Monday, July 15, 2013

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 82 °F 80 °F  
Max Temperature 91 °F 89 °F 107 °F (1980)
Min Temperature 72 °F 71 °F 52 °F (1930)
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 16 15  
Month to date cooling degree days 225  
Year to date cooling degree days 733  
Since 1 June cooling degree days 559  
Growing Degree Days 32 (Base 50)    
Moisture  
Dew Point 73 °F    
Average Humidity 76    
Maximum Humidity 94    
Minimum Humidity 50    
Precipitation  
Precipitation 0.02 in 0.14 in 1.15 in (1904)
Month to date precipitation 2.02  
Year to date precipitation 22.67  
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 30.17 in    
Wind  
Wind Speed 4 mph (ESE)    
Max Wind Speed 14 mph    
Max Gust Speed 18 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jul. 15, 2013 Rise Set
Actual Time 5:48 AM CDT 8:26 PM CDT
Civil Twilight 5:17 AM CDT 8:57 PM CDT
Nautical Twilight 4:38 AM CDT 9:36 PM CDT
Astronomical Twilight 3:55 AM CDT 10:19 PM CDT
Moon 1:03 PM CDT (7/15) No Moon Set
Length of Visible Light 15h 39m
Length of Day
14h 37m
Waxing Crescent, 45% of the Moon is Illuminated
Jul 15
Waxing Crescent
Jul 15
First Quarter
Jul 22
Full
Jul 29
Last Quarter
Aug 6
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 75.0 °F - 73.0 °F 94% 30.14 in 8.0 mi East 3.5 mph - 0.00 in   Overcast
1:54 AM 73.9 °F - 72.0 °F 93% 30.13 in 6.0 mi Calm Calm - N/A   Clear
2:54 AM 73.9 °F - 72.0 °F 93% 30.13 in 4.0 mi Calm Calm - N/A   Clear
3:54 AM 72.0 °F - 70.0 °F 93% 30.12 in 7.0 mi ENE 5.8 mph - N/A   Clear
4:54 AM 73.9 °F - 71.1 °F 91% 30.14 in 7.0 mi ENE 4.6 mph - N/A   Clear
5:54 AM 73.0 °F - 71.1 °F 93% 30.16 in 6.0 mi East 3.5 mph - N/A   Clear
6:54 AM 75.9 °F - 72.0 °F 87% 30.17 in 7.0 mi Calm Calm - N/A   Clear
7:54 AM 78.1 °F - 72.0 °F 81% 30.18 in 9.0 mi SSE 4.6 mph - N/A   Clear
8:54 AM 81.0 °F 85.8 °F 73.0 °F 77% 30.20 in 10.0 mi SE 3.5 mph - N/A   Clear
9:54 AM 82.9 °F 88.8 °F 73.0 °F 72% 30.20 in 10.0 mi Calm Calm - N/A   Clear
10:54 AM 87.1 °F 95.4 °F 73.9 °F 65% 30.21 in 10.0 mi ESE 5.8 mph - N/A   Scattered Clouds
11:54 AM 89.1 °F 98.0 °F 73.9 °F 61% 30.20 in 10.0 mi NE 9.2 mph - N/A   Partly Cloudy
12:54 PM 88.0 °F 94.7 °F 72.0 °F 59% 30.19 in 10.0 mi East 8.1 mph - N/A   Mostly Cloudy
1:54 PM 88.0 °F 93.8 °F 71.1 °F 57% 30.17 in 10.0 mi Variable 3.5 mph 16.1 mph N/A   Scattered Clouds
2:54 PM 91.0 °F 98.2 °F 72.0 °F 53% 30.16 in 10.0 mi East 13.8 mph 18.4 mph N/A   Partly Cloudy
3:54 PM 90.0 °F 96.9 °F 72.0 °F 55% 30.15 in 10.0 mi East 12.7 mph - N/A   Clear
4:54 PM 91.9 °F 98.4 °F 71.1 °F 50% 30.14 in 10.0 mi ESE 9.2 mph - N/A   Partly Cloudy
5:54 PM 89.1 °F 96.0 °F 72.0 °F 57% 30.14 in 10.0 mi ESE 9.2 mph - N/A   Partly Cloudy
6:54 PM 84.0 °F 91.9 °F 75.0 °F 74% 30.15 in 10.0 mi SE 6.9 mph - 0.02 in   Mostly Cloudy
7:54 PM 80.1 °F 84.5 °F 73.9 °F 81% 30.16 in 10.0 mi South 3.5 mph - N/A   Clear
8:54 PM 80.1 °F 84.5 °F 73.9 °F 81% 30.17 in 10.0 mi Calm Calm - N/A   Clear
9:54 PM 79.0 °F - 73.9 °F 84% 30.19 in 10.0 mi East 4.6 mph - N/A   Clear
10:54 PM 77.0 °F - 73.9 °F 90% 30.21 in 9.0 mi ESE 3.5 mph - N/A   Clear
11:54 PM 75.9 °F - 73.0 °F 91% 30.22 in 8.0 mi East 5.8 mph - N/A   Clear