Weather History for St. Louis, MO

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Saturday, January 12, 2013

  Actual Average Record
Temperature  
Mean Temperature 45 °F 32 °F  
Max Temperature 58 °F 40 °F 70 °F (1936)
Min Temperature 32 °F 23 °F -17 °F (1918)
Degree Days  
Heating Degree Days 20 34  
Month to date heating degree days 319 401  
Since 1 July heating degree days 1918 2166  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 36 °F    
Average Humidity 66    
Maximum Humidity 85    
Minimum Humidity 47    
Precipitation  
Precipitation 0.65 in 0.07 in 1.67 in (2005)
Month to date precipitation 1.27 0.99  
Year to date precipitation 1.27 0.99  
Snow  
Snow 0.00 in 0.20 in 5.10 in (1964)
Month to date snowfall 0.1 2.2  
Since 1 July snowfall 2.2 7.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 11 mph (NW)    
Max Wind Speed 21 mph    
Max Gust Speed 30 mph    
Visibility 8 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 12, 2013 Rise Set
Actual Time 7:19 AM CST 5:01 PM CST
Civil Twilight 6:49 AM CST 5:30 PM CST
Nautical Twilight 6:16 AM CST 6:03 PM CST
Astronomical Twilight 5:44 AM CST 6:35 PM CST
Moon 7:39 AM CST (1/12) 6:28 PM CST (1/12)
Length of Visible Light 10h 40m
Length of Day
9h 42m
New Moon, 1% of the Moon is Illuminated
Jan 12
New Moon
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 57.9 °F - 46.0 °F 65% 29.80 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
1:51 AM 57.9 °F - 46.9 °F 67% 29.83 in 10.0 mi SSW 15.0 mph - N/A   Mostly Cloudy
2:51 AM 57.2 °F - 48.2 °F 72% 29.85 in 10.0 mi South 13.8 mph - N/A   Mostly Cloudy
3:51 AM 57.0 °F - 48.0 °F 72% 29.84 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
4:51 AM 55.9 °F - 48.0 °F 75% 29.85 in 10.0 mi South 6.9 mph - N/A   Scattered Clouds
5:51 AM 55.4 °F - 46.4 °F 72% 29.87 in 10.0 mi SSW 6.9 mph - N/A   Scattered Clouds
6:51 AM 52.0 °F - 46.0 °F 80% 29.90 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
7:51 AM 54.0 °F - 46.9 °F 77% 29.92 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
8:51 AM 53.1 °F - 46.9 °F 80% 29.93 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:51 AM 55.0 °F - 39.9 °F 57% 29.96 in 10.0 mi NNW 12.7 mph - N/A   Mostly Cloudy
10:51 AM 55.0 °F - 37.0 °F 51% 29.96 in 9.0 mi NW 10.4 mph - N/A   Mostly Cloudy
11:51 AM 55.0 °F - 36.0 °F 49% 29.94 in 9.0 mi NW 11.5 mph - N/A   Overcast
12:51 PM 52.0 °F - 36.0 °F 54% 29.93 in 10.0 mi NW 13.8 mph - N/A   Overcast
1:51 PM 48.9 °F - 37.0 °F 64% 29.94 in 10.0 mi NW 10.4 mph - N/A   Overcast
2:51 PM 46.9 °F - 28.0 °F 48% 29.91 in 10.0 mi North 15.0 mph - N/A   Overcast
3:35 PM 44.6 °F 38.4 °F 30.2 °F 57% 29.92 in 10.0 mi North 12.7 mph - 0.00 in Rain Light Rain
3:51 PM 44.1 °F 37.4 °F 30.9 °F 60% 29.91 in 10.0 mi North 13.8 mph - 0.00 in Rain Light Rain
4:51 PM 42.1 °F 36.1 °F 33.1 °F 70% 29.89 in 10.0 mi North 10.4 mph - 0.03 in Rain Light Rain
5:51 PM 41.0 °F 35.2 °F 33.1 °F 73% 29.86 in 10.0 mi North 9.2 mph - 0.05 in Rain Light Rain
6:51 PM 39.0 °F 31.4 °F 34.0 °F 82% 29.89 in 9.0 mi NW 12.7 mph - 0.12 in Rain Light Rain
7:10 PM 37.4 °F 28.9 °F 33.8 °F 87% 29.89 in 6.0 mi NW 13.8 mph - 0.02 in Rain Light Rain
7:51 PM 35.1 °F 24.5 °F 30.9 °F 85% 29.91 in 5.0 mi NNW 18.4 mph 26.5 mph 0.14 in Rain Light Rain
8:17 PM 33.8 °F 24.3 °F 30.2 °F 87% 29.90 in 4.0 mi North 13.8 mph 25.3 mph 0.09 in Rain Light Rain
8:51 PM 33.1 °F 22.2 °F 28.9 °F 85% 29.91 in 4.0 mi NNW 17.3 mph 29.9 mph 0.22 in Rain Light Rain
9:25 PM 33.8 °F 22.2 °F 28.4 °F 81% 29.87 in 4.0 mi North 20.7 mph 25.3 mph 0.06 in Rain Light Rain
9:51 PM 33.1 °F 24.9 °F 28.9 °F 85% 29.93 in 9.0 mi NNW 10.4 mph 20.7 mph 0.06 in Rain Light Rain
10:28 PM 33.8 °F 23.9 °F 28.4 °F 81% 29.92 in 6.0 mi NW 15.0 mph - 0.00 in Rain Light Rain
10:37 PM 32.0 °F 21.6 °F 28.4 °F 87% 29.94 in 4.0 mi NW 15.0 mph 23.0 mph 0.01 in Rain Light Rain
10:45 PM 32.0 °F 20.8 °F 28.4 °F 87% 29.94 in 3.0 mi NW 17.3 mph 24.2 mph 0.01 in Rain Light Rain
10:51 PM 32.0 °F 20.8 °F 28.9 °F 88% 29.96 in 2.0 mi NNW 17.3 mph - 0.02 in Rain Light Rain
11:07 PM 32.0 °F 21.6 °F 28.4 °F 87% 29.94 in 3.0 mi NNW 15.0 mph - 0.01 in Rain Light Rain
11:30 PM 32.0 °F 21.6 °F 28.4 °F 87% 29.95 in 6.0 mi NNW 15.0 mph - 0.01 in   Overcast
11:51 PM 32.0 °F 22.1 °F 28.0 °F 85% 29.95 in 10.0 mi NNW 13.8 mph - 0.01 in   Overcast