Weather History for Washington, MO

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Wednesday, December 12, 2012

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 34 °F 35 °F  
Max Temperature 50 °F 43 °F 70 °F (1991)
Min Temperature 19 °F 28 °F -5 °F (1962)
Degree Days  
Heating Degree Days 30 30  
Month to date heating degree days 333  
Since 1 July heating degree days 1159  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 1646  
Moisture  
Dew Point 21 °F    
Average Humidity 64    
Maximum Humidity 100    
Minimum Humidity 28    
Precipitation  
Precipitation 0.00 in 0.09 in 1.31 in (1972)
Month to date precipitation 1.19  
Year to date precipitation 39.31  
Snow  
Snow 0.00 in 0.20 in 4.40 in (2010)
Month to date snowfall 1.3  
Since 1 July snowfall 2.0  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 30.27 in    
Wind  
Wind Speed 2 mph (SSE)    
Max Wind Speed 10 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 12, 2012 Rise Set
Actual Time 7:12 AM CST 4:43 PM CST
Civil Twilight 6:42 AM CST 5:12 PM CST
Nautical Twilight 6:09 AM CST 5:46 PM CST
Astronomical Twilight 5:37 AM CST 6:18 PM CST
Moon 6:17 AM CST (12/12) 4:20 PM CST (12/12)
Length of Visible Light 10h 29m
Length of Day
9h 30m
Waning Crescent, 1% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 24.8 °F - 23.0 °F 93% 30.22 in 10.0 mi Calm Calm - N/A   Clear
12:35 AM 23.0 °F - 21.2 °F 93% 30.22 in 10.0 mi Calm Calm - N/A   Clear
12:55 AM 24.8 °F - 23.0 °F 93% 30.22 in 10.0 mi Calm Calm - N/A   Clear
1:15 AM 23.0 °F - 23.0 °F 100% 30.22 in 10.0 mi Calm Calm - N/A   Clear
1:35 AM 23.0 °F - 21.2 °F 93% 30.23 in 10.0 mi Calm Calm - N/A   Clear
1:55 AM 23.0 °F - 21.2 °F 93% 30.23 in 10.0 mi Calm Calm - N/A   Clear
2:15 AM 24.8 °F - 23.0 °F 93% 30.23 in 10.0 mi Calm Calm - N/A   Clear
2:35 AM 23.0 °F - 19.4 °F 86% 30.24 in 10.0 mi Calm Calm - N/A   Clear
2:55 AM 21.2 °F - 19.4 °F 93% 30.23 in 10.0 mi Calm Calm - N/A   Clear
3:15 AM 21.2 °F - 19.4 °F 93% 30.24 in 10.0 mi Calm Calm - N/A   Clear
3:35 AM 23.0 °F - 19.4 °F 86% 30.24 in 10.0 mi Calm Calm - N/A   Clear
3:55 AM 21.2 °F - 19.4 °F 93% 30.24 in 10.0 mi Calm Calm - N/A   Clear
4:15 AM 19.4 °F - 19.4 °F 100% 30.24 in 10.0 mi Calm Calm - N/A   Clear
4:35 AM 21.2 °F - 19.4 °F 93% 30.25 in 10.0 mi Calm Calm - N/A   Clear
4:55 AM 21.2 °F - 19.4 °F 93% 30.25 in 10.0 mi Calm Calm - N/A   Clear
5:15 AM 21.2 °F - 19.4 °F 93% 30.26 in 10.0 mi Calm Calm - N/A   Clear
5:35 AM 21.2 °F - 19.4 °F 93% 30.26 in 10.0 mi Calm Calm - N/A   Clear
5:55 AM 21.2 °F - 19.4 °F 93% 30.27 in 10.0 mi Calm Calm - N/A   Clear
6:15 AM 19.4 °F - 19.4 °F 100% 30.27 in 10.0 mi Calm Calm - N/A   Clear
7:15 AM 19.4 °F - 19.4 °F 100% 30.29 in 10.0 mi Calm Calm - N/A   Clear
7:35 AM 21.2 °F - 19.4 °F 93% 30.30 in 10.0 mi Calm Calm - N/A   Clear
7:55 AM 19.4 °F - 19.4 °F 100% 30.31 in 10.0 mi Calm Calm - N/A   Clear
8:15 AM 23.0 °F - 19.4 °F 86% 30.31 in 10.0 mi Calm Calm - N/A   Clear
8:35 AM 24.8 °F - 23.0 °F 93% 30.32 in 10.0 mi Calm Calm - N/A   Clear
8:55 AM 28.4 °F 22.2 °F 23.0 °F 80% 30.32 in 10.0 mi SSE 5.8 mph - N/A   Clear
9:15 AM 32.0 °F 26.4 °F 23.0 °F 69% 30.32 in 10.0 mi SSE 5.8 mph - N/A   Clear
9:35 AM 32.0 °F 25.6 °F 23.0 °F 69% 30.32 in 10.0 mi SSE 6.9 mph - N/A   Clear
9:55 AM 32.0 °F 26.4 °F 24.8 °F 75% 30.33 in 10.0 mi SSE 5.8 mph - N/A   Clear
10:15 AM 35.6 °F 30.7 °F 24.8 °F 65% 30.32 in 10.0 mi SE 5.8 mph - N/A   Clear
10:35 AM 37.4 °F 32.8 °F 24.8 °F 60% 30.32 in 10.0 mi SE 5.8 mph - N/A   Clear
11:15 AM 41.0 °F 37.1 °F 26.6 °F 57% 30.31 in 10.0 mi SE 5.8 mph - N/A   Clear
11:35 AM 41.0 °F 37.1 °F 26.6 °F 57% 30.30 in 10.0 mi SE 5.8 mph - N/A   Clear
11:55 AM 44.6 °F 40.7 °F 24.8 °F 46% 30.29 in 10.0 mi SE 6.9 mph - N/A   Clear
12:15 PM 44.6 °F 41.4 °F 23.0 °F 43% 30.29 in 10.0 mi SSE 5.8 mph - N/A   Clear
12:35 PM 46.4 °F 42.4 °F 23.0 °F 40% 30.28 in 10.0 mi SSE 8.1 mph - N/A   Clear
12:55 PM 48.2 °F - 21.2 °F 34% 30.27 in 10.0 mi SSW 5.8 mph - N/A   Clear
1:15 PM 48.2 °F - 19.4 °F 32% 30.27 in 10.0 mi South 4.6 mph - N/A   Clear
1:35 PM 50.0 °F - 19.4 °F 30% 30.26 in 10.0 mi SSE 8.1 mph - N/A   Clear
1:55 PM 50.0 °F - 19.4 °F 30% 30.25 in 10.0 mi SSE 6.9 mph - N/A   Clear
2:35 PM 50.0 °F - 17.6 °F 28% 30.24 in 10.0 mi South 10.4 mph - N/A   Clear
2:55 PM 50.0 °F - 19.4 °F 30% 30.24 in 10.0 mi South 9.2 mph - N/A   Clear
3:35 PM 50.0 °F - 19.4 °F 30% 30.24 in 10.0 mi South 6.9 mph - N/A   Clear
3:55 PM 50.0 °F - 21.2 °F 32% 30.24 in 10.0 mi South 5.8 mph - N/A   Clear
4:15 PM 48.2 °F - 23.0 °F 37% 30.24 in 10.0 mi SSE 4.6 mph - N/A   Clear
4:35 PM 46.4 °F - 24.8 °F 43% 30.24 in 10.0 mi Calm Calm - N/A   Clear
4:55 PM 46.4 °F - 17.6 °F 32% 30.24 in 10.0 mi Calm Calm - N/A   Clear
5:15 PM 46.4 °F 44.3 °F 17.6 °F 32% 30.25 in 10.0 mi SE 4.6 mph - N/A   Clear
5:35 PM 44.6 °F 41.4 °F 19.4 °F 37% 30.25 in 10.0 mi SE 5.8 mph - N/A   Clear
6:15 PM 41.0 °F 37.1 °F 21.2 °F 45% 30.25 in 10.0 mi SE 5.8 mph - N/A   Clear
6:55 PM 41.0 °F 36.4 °F 19.4 °F 42% 30.25 in 10.0 mi SE 6.9 mph - N/A   Clear
7:15 PM 42.8 °F 38.6 °F 19.4 °F 39% 30.26 in 10.0 mi SE 6.9 mph - N/A   Clear
7:35 PM 41.0 °F 35.2 °F 19.4 °F 42% 30.25 in 10.0 mi SE 9.2 mph - N/A   Clear
7:55 PM 41.0 °F 35.8 °F 19.4 °F 42% 30.26 in 10.0 mi SE 8.1 mph - N/A   Clear
8:15 PM 41.0 °F 36.4 °F 19.4 °F 42% 30.26 in 10.0 mi SE 6.9 mph - N/A   Clear
8:35 PM 41.0 °F 36.4 °F 19.4 °F 42% 30.27 in 10.0 mi SE 6.9 mph - N/A   Clear
8:55 PM 39.2 °F 33.6 °F 19.4 °F 45% 30.26 in 10.0 mi SE 8.1 mph - N/A   Clear
9:15 PM 39.2 °F 34.2 °F 23.0 °F 52% 30.26 in 10.0 mi SE 6.9 mph - N/A   Clear
9:35 PM 39.2 °F 33.6 °F 21.2 °F 49% 30.26 in 10.0 mi SE 8.1 mph - N/A   Clear
9:55 PM 39.2 °F 33.6 °F 21.2 °F 49% 30.27 in 10.0 mi SE 8.1 mph - N/A   Clear
10:15 PM 37.4 °F 31.4 °F 21.2 °F 52% 30.28 in 10.0 mi ESE 8.1 mph - N/A   Clear
10:35 PM 37.4 °F 32.8 °F 21.2 °F 52% 30.28 in 10.0 mi SE 5.8 mph - N/A   Partly Cloudy
10:55 PM 37.4 °F 32.1 °F 21.2 °F 52% 30.27 in 10.0 mi SE 6.9 mph - N/A   Clear
11:15 PM 37.4 °F 31.4 °F 23.0 °F 56% 30.26 in 10.0 mi SE 8.1 mph - N/A   Clear
11:35 PM 37.4 °F 32.1 °F 23.0 °F 56% 30.28 in 10.0 mi SE 6.9 mph - N/A   Clear
11:55 PM 37.4 °F - 23.0 °F 56% 30.29 in 10.0 mi Calm Calm - N/A   Clear