Weather History for St. Charles, MO

Change the Weather History Date:

Friday, September 28, 2012

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 63 °F 65 °F  
Max Temperature 72 °F 75 °F 97 °F (1953)
Min Temperature 55 °F 55 °F 32 °F (1942)
Degree Days  
Heating Degree Days 2 3  
Month to date heating degree days 31  
Since 1 July heating degree days 32  
Cooling Degree Days 0 3  
Month to date cooling degree days 197  
Year to date cooling degree days 1596  
Growing Degree Days 13 (Base 50)    
Moisture  
Dew Point 50 °F    
Average Humidity 67    
Maximum Humidity 87    
Minimum Humidity 41    
Precipitation  
Precipitation 0.02 in 0.11 in 3.73 in (1919)
Month to date precipitation 2.93  
Year to date precipitation 30.68  
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 30.13 in    
Wind  
Wind Speed 6 mph (NNE)    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Sep. 28, 2012 Rise Set
Actual Time 6:55 AM CDT 6:48 PM CDT
Civil Twilight 6:28 AM CDT 7:14 PM CDT
Nautical Twilight 5:57 AM CDT 7:45 PM CDT
Astronomical Twilight 5:26 AM CDT 8:17 PM CDT
Moon 5:50 PM CDT (9/28) 5:26 AM CDT (9/28)
Length of Visible Light 12h 46m
Length of Day
11h 52m
Waxing Gibbous, 98% of the Moon is Illuminated
Sep 28
Waxing Gibbous
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 63.0 °F 51.1 °F 65% 30.12 in 10.0 mi ENE 9.2 mph - N/A   Overcast
1:54 AM 59.0 °F 50.0 °F 72% 30.13 in 9.0 mi ENE 5.8 mph - 0.00 in Rain Light Rain
2:54 AM 57.9 °F 52.0 °F 81% 30.13 in 10.0 mi East 4.6 mph - 0.01 in   Overcast
3:54 AM 57.9 °F 51.1 °F 78% 30.12 in 10.0 mi East 6.9 mph - N/A   Overcast
4:54 AM 57.9 °F 51.1 °F 78% 30.13 in 10.0 mi NNE 5.8 mph - 0.01 in   Overcast
5:54 AM 57.9 °F 51.1 °F 78% 30.14 in 10.0 mi NE 4.6 mph - N/A   Overcast
6:54 AM 57.9 °F 51.1 °F 78% 30.14 in 10.0 mi East 3.5 mph - N/A   Overcast
7:54 AM 57.9 °F 52.0 °F 81% 30.16 in 9.0 mi NNE 3.5 mph - N/A   Mostly Cloudy
8:54 AM 59.0 °F 50.0 °F 72% 30.18 in 10.0 mi ENE 6.9 mph - N/A   Mostly Cloudy
9:54 AM 62.1 °F 50.0 °F 65% 30.18 in 10.0 mi NE 4.6 mph - N/A   Mostly Cloudy
10:54 AM 66.0 °F 48.0 °F 52% 30.18 in 10.0 mi NE 11.5 mph - N/A   Clear
11:54 AM 68.0 °F 48.9 °F 50% 30.17 in 10.0 mi NNE 8.1 mph - N/A   Clear
12:54 PM 70.0 °F 46.9 °F 44% 30.15 in 10.0 mi Variable 4.6 mph - N/A   Clear
2:54 PM 71.1 °F 46.9 °F 42% 30.12 in 10.0 mi North 5.8 mph - N/A   Clear
3:54 PM 70.0 °F 46.0 °F 42% 30.11 in 10.0 mi North 6.9 mph - N/A   Clear
4:54 PM 70.0 °F 45.0 °F 41% 30.10 in 10.0 mi NW 4.6 mph - N/A   Clear
5:54 PM 68.0 °F 48.9 °F 50% 30.09 in 10.0 mi Calm Calm - N/A   Clear
6:54 PM 64.0 °F 52.0 °F 65% 30.09 in 10.0 mi Calm Calm - N/A   Clear
7:54 PM 57.9 °F 54.0 °F 87% 30.09 in 10.0 mi North 3.5 mph - N/A   Clear
8:54 PM 57.0 °F 51.1 °F 81% 30.11 in 10.0 mi Calm Calm - N/A   Clear
9:54 PM 55.9 °F 51.1 °F 84% 30.11 in 10.0 mi North 3.5 mph - N/A   Clear
10:54 PM 55.0 °F 48.9 °F 80% 30.13 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 55.0 °F 50.0 °F 83% 30.13 in 10.0 mi WNW 3.5 mph - N/A   Clear