Weather History for St. Charles, MO

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Tuesday, June 18, 2013

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 76 °F 77 °F  
Max Temperature 90 °F 86 °F 100 °F (1953)
Min Temperature 64 °F 68 °F 52 °F (1961)
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 12 12  
Month to date cooling degree days 172  
Year to date cooling degree days 346  
Since 1 June cooling degree days 172  
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 62 °F    
Average Humidity 65    
Maximum Humidity 93    
Minimum Humidity 34    
Precipitation  
Precipitation 0.00 in 0.15 in 3.50 in (1875)
Month to date precipitation 2.69  
Year to date precipitation 19.06  
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 29.93 in    
Wind  
Wind Speed 7 mph (WNW)    
Max Wind Speed 13 mph    
Max Gust Speed 17 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jun. 18, 2013 Rise Set
Actual Time 5:35 AM CDT 8:29 PM CDT
Civil Twilight 5:03 AM CDT 9:02 PM CDT
Nautical Twilight 4:23 AM CDT 9:42 PM CDT
Astronomical Twilight 3:36 AM CDT 10:29 PM CDT
Moon 3:16 PM CDT (6/18) 1:42 AM CDT (6/18)
Length of Visible Light 15h 58m
Length of Day
14h 53m
Waxing Gibbous, 71% of the Moon is Illuminated
Jun 18
Waxing Gibbous
Jun 23
Full
Jun 29
Last Quarter
Jul 8
New
Jul 15
First Quarter

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 68.0 °F - 64.0 °F 87% 29.91 in 10.0 mi WNW 8.1 mph - N/A   Clear
1:54 AM 66.9 °F - 64.0 °F 90% 29.91 in 10.0 mi WSW 4.6 mph - N/A   Clear
2:54 AM 66.9 °F - 64.0 °F 90% 29.92 in 10.0 mi West 4.6 mph - N/A   Clear
3:54 AM 64.9 °F - 63.0 °F 93% 29.92 in 10.0 mi SW 5.8 mph - N/A   Clear
4:54 AM 66.0 °F - 63.0 °F 90% 29.95 in 10.0 mi West 8.1 mph - N/A   Clear
5:54 AM 64.9 °F - 63.0 °F 93% 29.94 in 9.0 mi WSW 3.5 mph - N/A   Clear
6:54 AM 68.0 °F - 64.0 °F 87% 29.94 in 10.0 mi West 3.5 mph - N/A   Clear
7:54 AM 70.0 °F - 64.0 °F 81% 29.95 in 10.0 mi WSW 5.8 mph - N/A   Clear
8:54 AM 73.0 °F - 64.9 °F 76% 29.94 in 10.0 mi WSW 4.6 mph - N/A   Clear
9:54 AM 77.0 °F - 66.0 °F 69% 29.94 in 10.0 mi WSW 5.8 mph - N/A   Clear
10:54 AM 80.1 °F 82.3 °F 66.9 °F 64% 29.94 in 10.0 mi West 3.5 mph - N/A   Clear
11:54 AM 82.9 °F 85.0 °F 66.0 °F 56% 29.94 in 10.0 mi WNW 6.9 mph - N/A   Clear
12:54 PM 86.0 °F 86.8 °F 63.0 °F 46% 29.94 in 10.0 mi WNW 4.6 mph - N/A   Clear
1:54 PM 87.1 °F 87.0 °F 61.0 °F 41% 29.93 in 10.0 mi West 10.4 mph - N/A   Clear
2:54 PM 89.1 °F 87.7 °F 57.0 °F 34% 29.92 in 10.0 mi NW 12.7 mph - N/A   Clear
3:54 PM 89.1 °F 88.2 °F 59.0 °F 36% 29.91 in 10.0 mi NW 12.7 mph 17.3 mph N/A   Clear
4:54 PM 86.0 °F 84.5 °F 55.0 °F 35% 29.90 in 10.0 mi NNW 11.5 mph - N/A   Clear
5:54 PM 84.9 °F 85.0 °F 61.0 °F 44% 29.90 in 10.0 mi NNW 8.1 mph - N/A   Clear
6:54 PM 82.9 °F 82.8 °F 59.0 °F 44% 29.91 in 10.0 mi NNW 10.4 mph - N/A   Clear
7:54 PM 80.1 °F 80.9 °F 60.1 °F 50% 29.92 in 10.0 mi NNW 6.9 mph - N/A   Clear
8:54 PM 75.9 °F - 61.0 °F 60% 29.93 in 10.0 mi NNW 6.9 mph - N/A   Clear
9:54 PM 75.0 °F - 61.0 °F 62% 29.95 in 10.0 mi NNW 5.8 mph - N/A   Clear
10:54 PM 73.9 °F - 62.1 °F 66% 29.95 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 73.0 °F - 62.1 °F 68% 29.96 in 10.0 mi NE 10.4 mph - N/A   Clear