Weather History for St. Louis, MO

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Thursday, December 27, 2012

  Actual Average Record
Temperature  
Mean Temperature 32 °F 32 °F  
Max Temperature 35 °F 40 °F 72 °F (1971)
Min Temperature 28 °F 25 °F -3 °F (1886)
Degree Days  
Heating Degree Days 33 33  
Month to date heating degree days 589 807  
Since 1 July heating degree days 1468 1633  
Cooling Degree Days 0 0  
Month to date cooling degree days 8 0  
Year to date cooling degree days 2217 1646  
Moisture  
Dew Point 21 °F    
Average Humidity 66    
Maximum Humidity 75    
Minimum Humidity 56    
Precipitation  
Precipitation 0.00 in 0.09 in 3.04 in (1922)
Month to date precipitation 1.72 2.50  
Year to date precipitation 32.02 40.62  
Snow  
Snow 0.00 in 0.20 in 5.20 in (1939)
Month to date snowfall 0.1 3.7  
Since 1 July snowfall 0.1 4.4  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.17 in    
Wind  
Wind Speed 7 mph (SE)    
Max Wind Speed 16 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 27, 2012 Rise Set
Actual Time 7:18 AM CST 4:47 PM CST
Civil Twilight 6:48 AM CST 5:17 PM CST
Nautical Twilight 6:15 AM CST 5:50 PM CST
Astronomical Twilight 5:43 AM CST 6:22 PM CST
Moon 4:30 PM CST (12/27) 6:30 AM CST (12/27)
Length of Visible Light 10h 28m
Length of Day
9h 28m
Full, 100% of the Moon is Illuminated
Dec 27
Full
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

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 28.0 °F 21.7 °F 19.9 °F 72% 30.19 in 10.0 mi NNW 5.8 mph - N/A   Overcast
1:51 AM 28.0 °F 22.8 °F 19.9 °F 72% 30.19 in 10.0 mi North 4.6 mph - N/A   Overcast
2:51 AM 28.9 °F 23.9 °F 21.0 °F 72% 30.22 in 10.0 mi WNW 4.6 mph - N/A   Overcast
3:51 AM 28.0 °F 24.2 °F 21.0 °F 75% 30.21 in 10.0 mi NW 3.5 mph - N/A   Overcast
4:51 AM 28.0 °F 22.8 °F 21.0 °F 75% 30.21 in 10.0 mi NNW 4.6 mph - N/A   Overcast
5:51 AM 28.0 °F 24.2 °F 21.0 °F 75% 30.22 in 10.0 mi WNW 3.5 mph - N/A   Overcast
6:51 AM 28.0 °F 24.2 °F 21.0 °F 75% 30.23 in 10.0 mi NW 3.5 mph - N/A   Overcast
7:51 AM 28.0 °F - 21.0 °F 75% 30.21 in 8.0 mi Calm Calm - N/A   Overcast
8:51 AM 28.9 °F - 21.0 °F 72% 30.23 in 9.0 mi Calm Calm - N/A   Overcast
9:51 AM 30.0 °F 26.5 °F 21.0 °F 69% 30.24 in 8.0 mi SE 3.5 mph - N/A   Overcast
10:51 AM 30.9 °F 26.2 °F 21.0 °F 67% 30.25 in 9.0 mi SSE 4.6 mph - N/A   Overcast
11:51 AM 33.1 °F 25.5 °F 19.9 °F 59% 30.20 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
12:15 PM 33.8 °F 26.4 °F 19.4 °F 56% 30.14 in 10.0 mi SE 9.2 mph - N/A   Mostly Cloudy
12:51 PM 34.0 °F 28.0 °F 21.0 °F 59% 30.16 in 10.0 mi ESE 6.9 mph - N/A   Mostly Cloudy
1:51 PM 34.0 °F 25.0 °F 21.0 °F 59% 30.14 in 10.0 mi ESE 12.7 mph - N/A   Mostly Cloudy
2:51 PM 34.0 °F 26.6 °F 21.0 °F 59% 30.15 in 10.0 mi SSE 9.2 mph - N/A   Mostly Cloudy
4:51 PM 33.1 °F 25.5 °F 21.9 °F 64% 30.14 in 10.0 mi ESE 9.2 mph - N/A   Mostly Cloudy
5:51 PM 32.0 °F 23.0 °F 21.9 °F 66% 30.12 in 10.0 mi ESE 11.5 mph - N/A   Mostly Cloudy
6:51 PM 32.0 °F 22.5 °F 21.9 °F 66% 30.13 in 10.0 mi SE 12.7 mph - N/A   Mostly Cloudy
7:51 PM 32.0 °F 23.0 °F 21.9 °F 66% 30.12 in 10.0 mi SE 11.5 mph - N/A   Mostly Cloudy
8:51 PM 30.9 °F 20.7 °F 21.9 °F 69% 30.11 in 10.0 mi SE 13.8 mph - N/A   Scattered Clouds
9:51 PM 30.9 °F 21.7 °F 21.9 °F 69% 30.11 in 10.0 mi SE 11.5 mph - N/A   Mostly Cloudy
10:51 PM 30.9 °F 22.2 °F 23.0 °F 72% 30.12 in 10.0 mi SSE 10.4 mph - N/A   Overcast
11:51 PM 30.9 °F 24.3 °F 23.0 °F 72% 30.11 in 10.0 mi SSE 6.9 mph - N/A   Overcast