Weather History for St. Charles, MO

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Saturday, May 25, 2013

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 60 °F 69 °F  
Max Temperature 68 °F 79 °F 93 °F (1953)
Min Temperature 52 °F 60 °F 38 °F (1925)
Degree Days  
Heating Degree Days 5 1  
Month to date heating degree days 69  
Since 1 July heating degree days 4525  
Cooling Degree Days 0 6  
Month to date cooling degree days 90  
Year to date cooling degree days 136  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 51 °F    
Average Humidity 73    
Maximum Humidity 88    
Minimum Humidity 50    
Precipitation  
Precipitation 0.04 in 0.16 in 2.47 in (1968)
Month to date precipitation 3.74  
Year to date precipitation 15.39  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2012)
Month to date snowfall 0.0  
Since 1 July snowfall 17.7  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 30.25 in    
Wind  
Wind Speed 7 mph (East)    
Max Wind Speed 16 mph    
Max Gust Speed -    
Visibility 10 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 25, 2013 Rise Set
Actual Time 5:41 AM CDT 8:16 PM CDT
Civil Twilight 5:10 AM CDT 8:47 PM CDT
Nautical Twilight 4:32 AM CDT 9:25 PM CDT
Astronomical Twilight 3:49 AM CDT 10:09 PM CDT
Moon 9:04 PM CDT (5/25) 6:08 AM CDT (5/25)
Length of Visible Light 15h 36m
Length of Day
14h 34m
Full, 100% of the Moon is Illuminated
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Jun 23
Full

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 54.0 °F 46.9 °F 77% 30.27 in 10.0 mi East 5.8 mph - N/A   Clear
1:54 AM 54.0 °F 46.9 °F 77% 30.26 in 10.0 mi East 4.6 mph - N/A   Clear
2:54 AM 52.0 °F 46.0 °F 80% 30.27 in 10.0 mi Calm Calm - N/A   Clear
3:54 AM 54.0 °F 46.9 °F 77% 30.25 in 10.0 mi Calm Calm - N/A   Clear
4:54 AM 52.0 °F 46.9 °F 83% 30.28 in 10.0 mi NNE 5.8 mph - N/A   Clear
5:54 AM 54.0 °F 48.0 °F 80% 30.31 in 10.0 mi North 5.8 mph - N/A   Partly Cloudy
6:54 AM 55.9 °F 48.0 °F 75% 30.35 in 10.0 mi NNE 5.8 mph - 0.00 in Rain Light Rain
7:54 AM 57.0 °F 50.0 °F 77% 30.33 in 10.0 mi East 6.9 mph - 0.00 in Rain Light Rain
8:54 AM 62.1 °F 48.9 °F 62% 30.31 in 10.0 mi ESE 10.4 mph - N/A   Clear
9:54 AM 64.0 °F 45.0 °F 50% 30.29 in 10.0 mi SE 16.1 mph - N/A   Mostly Cloudy
10:54 AM 64.0 °F 45.0 °F 50% 30.30 in 10.0 mi SE 9.2 mph - N/A   Mostly Cloudy
11:54 AM 61.0 °F 51.1 °F 70% 30.32 in 10.0 mi East 9.2 mph - 0.01 in Rain Light Rain
12:42 PM 60.8 °F 53.6 °F 77% 30.29 in 10.0 mi East 10.4 mph - 0.01 in Rain , Thunderstorm Light Rain
12:54 PM 59.0 °F 53.1 °F 81% 30.31 in 8.0 mi NE 8.1 mph - 0.01 in Rain , Thunderstorm Light Thunderstorms and Rain
1:09 PM 57.2 °F 53.6 °F 88% 30.31 in 8.0 mi NE 13.8 mph - 0.00 in Rain Light Rain
1:20 PM 57.2 °F 53.6 °F 88% 30.30 in 8.0 mi ENE 11.5 mph - 0.00 in Rain , Thunderstorm Light Rain
1:35 PM 57.2 °F 53.6 °F 88% 30.30 in 7.0 mi ENE 9.2 mph - 0.00 in Rain Light Rain
1:54 PM 59.0 °F 54.0 °F 83% 30.30 in 10.0 mi ENE 9.2 mph - 0.00 in   Overcast
2:54 PM 62.1 °F 54.0 °F 75% 30.22 in 10.0 mi ESE 16.1 mph - 0.00 in   Overcast
3:54 PM 66.0 °F 53.1 °F 63% 30.19 in 10.0 mi SSE 13.8 mph - 0.01 in   Clear
4:54 PM 68.0 °F 51.1 °F 55% 30.17 in 10.0 mi SSE 12.7 mph - N/A   Partly Cloudy
5:54 PM 68.0 °F 53.1 °F 59% 30.15 in 10.0 mi SE 6.9 mph - N/A   Scattered Clouds
6:54 PM 68.0 °F 54.0 °F 61% 30.14 in 10.0 mi East 5.8 mph - N/A   Overcast
7:54 PM 66.0 °F 55.0 °F 68% 30.14 in 10.0 mi ENE 8.1 mph - 0.01 in   Overcast
8:54 PM 64.9 °F 54.0 °F 68% 30.14 in 10.0 mi ENE 10.4 mph - N/A   Overcast
9:54 PM 63.0 °F 54.0 °F 72% 30.17 in 10.0 mi NE 11.5 mph - N/A   Mostly Cloudy
10:54 PM 60.1 °F 53.1 °F 78% 30.18 in 10.0 mi ENE 10.4 mph - N/A   Overcast
11:54 PM 59.0 °F 51.1 °F 75% 30.19 in 10.0 mi East 11.5 mph - N/A   Mostly Cloudy