Chesterfield, MO

3:24 AM CST on February 06, 2016 (GMT -0600)
Spirit Of Saint Louis

Weather History for KSUS - September, 2013

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Wednesday, September 18, 2013

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 78 °F 69 °F  
Max Temperature 89 °F 79 °F 97 °F (1925)
Min Temperature 66 °F 60 °F 42 °F (1973)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 7  
Since 1 July heating degree days 8  
Cooling Degree Days 12 6  
Month to date cooling degree days 153  
Year to date cooling degree days 1552  
Growing Degree Days 28 (Base 50)    
Moisture  
Dew Point 66 °F    
Average Humidity 74    
Maximum Humidity 94    
Minimum Humidity 48    
Precipitation  
Precipitation 0.10 in 0.10 in 1.04 in (2001)
Month to date precipitation 1.85  
Year to date precipitation 29.60  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2013)
Month to date snowfall 0.0  
Since 1 July snowfall 0.0  
Since 1 September snowfall 0.0  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 4 mph (South)    
Max Wind Speed 15 mph    
Max Gust Speed 22 mph    
Visibility 8 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Sep. 18, 2013 Rise Set
Actual Time 6:46 AM CDT 7:05 PM CDT
Civil Twilight 6:20 AM CDT 7:32 PM CDT
Nautical Twilight 5:49 AM CDT 8:03 PM CDT
Astronomical Twilight 5:17 AM CDT 8:34 PM CDT
Moon 6:28 PM CDT (9/18) 5:49 AM CDT (9/18)
Length of Visible Light 13h 11m
Length of Day
12h 18m
Waxing Gibbous, 99% of the Moon is Illuminated
Sep 18
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
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 66.0 °F - 63.0 °F 90% 30.05 in 7.0 mi Calm Calm - 0.00 in Rain Light Rain
1:54 AM 66.0 °F - 64.0 °F 93% 30.06 in 5.0 mi NNW 5.8 mph - 0.00 in Rain Light Rain
2:54 AM 66.0 °F - 64.0 °F 93% 30.06 in 3.0 mi Calm Calm - 0.03 in   Overcast
3:22 AM 66.2 °F - 64.4 °F 94% 30.06 in 2.5 mi ESE 5.8 mph - 0.02 in Rain Light Rain
3:29 AM 66.2 °F - 64.4 °F 94% 30.06 in 4.0 mi Calm Calm - 0.03 in Rain Light Rain
3:54 AM 66.0 °F - 64.0 °F 93% 30.05 in 6.0 mi East 4.6 mph - 0.03 in Rain Light Rain
4:54 AM 66.0 °F - 64.0 °F 93% 30.03 in 6.0 mi ESE 4.6 mph - 0.03 in   Scattered Clouds
5:54 AM 66.9 °F - 64.9 °F 93% 30.04 in 4.0 mi South 3.5 mph - 0.01 in Rain Light Rain
6:54 AM 68.0 °F - 64.9 °F 90% 30.04 in 7.0 mi SSE 4.6 mph - 0.00 in   Mostly Cloudy
7:54 AM 68.0 °F - 64.9 °F 90% 30.04 in 6.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
8:54 AM 70.0 °F - 66.0 °F 87% 30.04 in 6.0 mi South 4.6 mph - N/A   Mostly Cloudy
9:54 AM 73.9 °F - 66.9 °F 79% 30.04 in 10.0 mi South 4.6 mph - N/A   Partly Cloudy
10:54 AM 79.0 °F - 68.0 °F 69% 30.03 in 10.0 mi South 5.8 mph - N/A   Clear
11:54 AM 81.0 °F 83.3 °F 66.9 °F 62% 30.02 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
12:54 PM 84.0 °F 86.5 °F 66.9 °F 56% 30.00 in 10.0 mi SW 3.5 mph - N/A   Clear
1:54 PM 86.0 °F 89.4 °F 68.0 °F 55% 29.97 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:54 PM 89.1 °F 92.9 °F 68.0 °F 50% 29.96 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
3:54 PM 89.1 °F 92.1 °F 66.9 °F 48% 29.94 in 10.0 mi WSW 15.0 mph - N/A   Mostly Cloudy
4:07 PM 87.8 °F 90.4 °F 66.2 °F 49% 29.96 in 10.0 mi SW 13.8 mph 21.9 mph N/A Thunderstorm Mostly Cloudy
4:22 PM 84.2 °F 86.6 °F 66.2 °F 55% 29.96 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
4:54 PM 86.0 °F 88.8 °F 66.9 °F 53% 29.94 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
5:54 PM 82.9 °F 85.0 °F 66.0 °F 56% 29.94 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
6:54 PM 80.1 °F 81.9 °F 64.9 °F 60% 29.94 in 10.0 mi SSW 4.6 mph - N/A   Scattered Clouds
7:54 PM 73.9 °F - 66.9 °F 79% 29.94 in 10.0 mi SSE 3.5 mph - N/A   Scattered Clouds
8:54 PM 75.9 °F - 66.9 °F 74% 29.94 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
9:54 PM 77.0 °F - 66.9 °F 71% 29.94 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
10:54 PM 77.0 °F - 66.9 °F 71% 29.95 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 77.0 °F - 68.0 °F 74% 29.94 in 10.0 mi South 4.6 mph - N/A   Clear