Weather History for St. Charles, MO

Change the Weather History Date:

Monday, September 30, 2013

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 62 °F 64 °F  
Max Temperature 79 °F 74 °F 93 °F (1952)
Min Temperature 46 °F 54 °F 36 °F (1949)
Degree Days  
Heating Degree Days 3 4  
Month to date heating degree days 39  
Since 1 July heating degree days 41  
Cooling Degree Days 0 3  
Month to date cooling degree days 202  
Year to date cooling degree days 1601  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 51 °F    
Average Humidity 87    
Maximum Humidity 100    
Minimum Humidity 50    
Precipitation  
Precipitation 0.00 in 0.10 in 2.35 in (1986)
Month to date precipitation 3.13  
Year to date precipitation 30.88  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2012)
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 29.96 in    
Wind  
Wind Speed 1 mph (South)    
Max Wind Speed 10 mph    
Max Gust Speed -    
Visibility 6 miles    
Events Fog    
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. 30, 2013 Rise Set
Actual Time 6:56 AM CDT 6:45 PM CDT
Civil Twilight 6:30 AM CDT 7:12 PM CDT
Nautical Twilight 5:59 AM CDT 7:42 PM CDT
Astronomical Twilight 5:28 AM CDT 8:14 PM CDT
Moon 2:36 AM CDT (9/30) 4:14 PM CDT (9/30)
Length of Visible Light 12h 41m
Length of Day
11h 48m
Waning Crescent, 19% of the Moon is Illuminated
Sep 30
Waning Crescent
Oct 4
New
Oct 11
First Quarter
Oct 18
Full
Oct 26
Last 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 52.0 °F 50.0 °F 93% 29.97 in 10.0 mi Calm Calm - N/A   Unknown
1:22 AM 48.2 °F 46.4 °F 93% 29.98 in 1.5 mi Calm Calm - N/A   Mist
1:41 AM 50.0 °F 46.4 °F 87% 29.98 in 10.0 mi Calm Calm - N/A   Unknown
1:54 AM 48.9 °F 46.9 °F 93% 29.97 in 9.0 mi Calm Calm - N/A   Unknown
2:05 AM 48.2 °F 46.4 °F 93% 29.97 in 1.8 mi Calm Calm - N/A   Clear
2:15 AM 48.2 °F 48.2 °F 100% 29.97 in 4.0 mi Calm Calm - N/A   Clear
2:28 AM 48.2 °F 48.2 °F 100% 29.97 in 4.0 mi Calm Calm - N/A   Partly Cloudy
2:54 AM 50.0 °F 46.9 °F 89% 29.96 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:54 AM 48.0 °F 46.0 °F 93% 29.94 in 10.0 mi Calm Calm - N/A   Clear
4:10 AM 46.4 °F 44.6 °F 93% 29.95 in 2.5 mi Calm Calm - N/A   Clear
4:18 AM 46.4 °F 44.6 °F 93% 29.95 in 10.0 mi Calm Calm - N/A   Clear
4:54 AM 48.9 °F 46.0 °F 90% 29.95 in 9.0 mi Calm Calm - N/A   Unknown
5:17 AM 46.4 °F 44.6 °F 93% 29.96 in 2.5 mi Calm Calm - N/A   Mist
5:27 AM 46.4 °F 46.4 °F 100% 29.96 in 1.0 mi Calm Calm - N/A   Mist
5:54 AM 46.9 °F 46.0 °F 97% 29.96 in 0.5 mi Calm Calm - N/A Fog Fog
6:04 AM 46.4 °F 46.4 °F 100% 29.97 in 2.0 mi Calm Calm - N/A   Mist
6:11 AM 46.4 °F 44.6 °F 93% 29.97 in 6.0 mi Calm Calm - N/A   Mist
6:14 AM 46.4 °F 46.4 °F 100% 29.97 in 1.0 mi Calm Calm - N/A   Mist
6:21 AM 46.4 °F 46.4 °F 100% 29.98 in 0.2 mi Calm Calm - N/A Fog Fog
6:28 AM 46.4 °F 44.6 °F 93% 29.98 in 2.5 mi Calm Calm - N/A   Mist
6:35 AM 46.4 °F 44.6 °F 93% 29.98 in 8.0 mi Calm Calm - N/A   Unknown
6:44 AM 46.4 °F 46.4 °F 100% 29.98 in 1.5 mi Calm Calm - N/A   Mist
6:54 AM 46.0 °F 45.0 °F 96% 29.98 in 0.8 mi Calm Calm - N/A   Mist
6:56 AM 46.4 °F 44.6 °F 93% 29.98 in 1.0 mi Calm Calm - N/A   Mist
7:12 AM 46.4 °F 44.6 °F 93% 29.98 in 3.0 mi Calm Calm - N/A   Mostly Cloudy
7:20 AM 46.4 °F 46.4 °F 100% 29.99 in 1.5 mi Calm Calm - N/A   Overcast
7:30 AM 46.4 °F 46.4 °F 100% 29.98 in 5.0 mi Calm Calm - N/A   Overcast
7:51 AM 48.2 °F 48.2 °F 100% 29.99 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:54 AM 50.0 °F 48.9 °F 96% 29.99 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:04 AM 51.8 °F 50.0 °F 94% 29.99 in 2.0 mi Calm Calm - N/A   Mostly Cloudy
8:06 AM 51.8 °F 51.8 °F 100% 29.98 in 0.8 mi Calm Calm - N/A   Mist
8:33 AM 53.6 °F 53.6 °F 100% 29.98 in 2.0 mi Calm Calm - N/A   Mostly Cloudy
8:40 AM 55.4 °F 53.6 °F 94% 29.99 in 9.0 mi Calm Calm - N/A   Scattered Clouds
8:54 AM 57.0 °F 55.0 °F 93% 29.99 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:54 AM 62.1 °F 55.9 °F 80% 29.98 in 10.0 mi SW 3.5 mph - N/A   Clear
10:54 AM 68.0 °F 57.0 °F 68% 29.98 in 10.0 mi Calm Calm - N/A   Clear
11:54 AM 72.0 °F 59.0 °F 64% 29.96 in 10.0 mi SSW 5.8 mph - N/A   Partly Cloudy
12:54 PM 75.0 °F 61.0 °F 62% 29.93 in 10.0 mi ESE 10.4 mph - N/A   Scattered Clouds
1:54 PM 75.9 °F 60.1 °F 58% 29.91 in 10.0 mi SSE 6.9 mph - N/A   Mostly Cloudy
2:54 PM 77.0 °F 60.1 °F 56% 29.90 in 10.0 mi South 9.2 mph - N/A   Partly Cloudy
3:54 PM 77.0 °F 57.9 °F 52% 29.88 in 10.0 mi South 9.2 mph - N/A   Scattered Clouds
4:54 PM 78.1 °F 57.9 °F 50% 29.87 in 10.0 mi SSE 8.1 mph - N/A   Scattered Clouds
5:54 PM 77.0 °F 59.0 °F 54% 29.88 in 10.0 mi South 8.1 mph - N/A   Partly Cloudy
6:54 PM 70.0 °F 57.9 °F 65% 29.88 in 10.0 mi SSE 5.8 mph - N/A   Clear
7:54 PM 64.0 °F 59.0 °F 84% 29.90 in 10.0 mi Calm Calm - N/A   Clear
8:54 PM 63.0 °F 57.9 °F 84% 29.90 in 10.0 mi ESE 3.5 mph - N/A   Clear
9:54 PM 62.1 °F 57.9 °F 86% 29.90 in 10.0 mi South 5.8 mph - N/A   Clear
10:54 PM 64.9 °F 61.0 °F 87% 29.92 in 10.0 mi SW 5.8 mph - N/A   Clear
11:54 PM 64.0 °F 61.0 °F 90% 29.93 in 10.0 mi South 6.9 mph - N/A   Clear