Weather History for Washington, MO

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Sunday, December 30, 2012

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 30 °F 32 °F  
Max Temperature 44 °F 40 °F 72 °F (1965)
Min Temperature 15 °F 24 °F -5 °F (1880)
Degree Days  
Heating Degree Days 36 33  
Month to date heating degree days 906  
Since 1 July heating degree days 1732  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 1646  
Moisture  
Dew Point 20 °F    
Average Humidity 70    
Maximum Humidity 100    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in 0.08 in 0.98 in (1973)
Month to date precipitation 2.75  
Year to date precipitation 40.87  
Snow  
Snow 0.00 in 0.10 in 10.50 in (1973)
Month to date snowfall 4.2  
Since 1 July snowfall 4.9  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 30.33 in    
Wind  
Wind Speed 2 mph (SSE)    
Max Wind Speed 13 mph    
Max Gust Speed -    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 30, 2012 Rise Set
Actual Time 7:21 AM CST 4:52 PM CST
Civil Twilight 6:51 AM CST 5:22 PM CST
Nautical Twilight 6:18 AM CST 5:55 PM CST
Astronomical Twilight 5:46 AM CST 6:27 PM CST
Moon 7:21 PM CST (12/30) 8:32 AM CST (12/30)
Length of Visible Light 10h 30m
Length of Day
9h 30m
Waning Gibbous, 95% of the Moon is Illuminated
Dec 30
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

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 17.6 °F - 15.8 °F 93% 30.32 in 8.0 mi Calm Calm - N/A   Clear
12:35 AM 17.6 °F - 15.8 °F 93% 30.34 in 9.0 mi Calm Calm - N/A   Clear
12:55 AM 17.6 °F - 15.8 °F 93% 30.35 in 9.0 mi Calm Calm - N/A   Clear
1:15 AM 17.6 °F - 15.8 °F 93% 30.35 in 8.0 mi Calm Calm - N/A   Clear
1:35 AM 17.6 °F - 15.8 °F 93% 30.37 in 8.0 mi Calm Calm - N/A   Clear
1:55 AM 17.6 °F - 15.8 °F 93% 30.37 in 8.0 mi Calm Calm - N/A   Clear
2:15 AM 17.6 °F - 15.8 °F 93% 30.37 in 8.0 mi Calm Calm - N/A   Clear
2:35 AM 17.6 °F - 15.8 °F 93% 30.38 in 8.0 mi Calm Calm - N/A   Clear
2:55 AM 17.6 °F - 15.8 °F 93% 30.38 in 8.0 mi Calm Calm - N/A   Clear
3:15 AM 17.6 °F - 15.8 °F 93% 30.39 in 7.0 mi Calm Calm - N/A   Clear
3:35 AM 17.6 °F - 15.8 °F 93% 30.39 in 8.0 mi Calm Calm - N/A   Clear
3:55 AM 17.6 °F - 15.8 °F 93% 30.38 in 8.0 mi Calm Calm - N/A   Clear
4:15 AM 15.8 °F - 14.0 °F 93% 30.38 in 8.0 mi Calm Calm - N/A   Clear
4:35 AM 15.8 °F - 14.0 °F 93% 30.38 in 8.0 mi Calm Calm - N/A   Clear
4:55 AM 15.8 °F - 14.0 °F 93% 30.39 in 9.0 mi Calm Calm - N/A   Clear
5:15 AM 15.8 °F - 15.8 °F 100% 30.39 in 8.0 mi Calm Calm - N/A   Clear
5:35 AM 15.8 °F - 14.0 °F 93% 30.39 in 8.0 mi Calm Calm - N/A   Clear
5:55 AM 15.8 °F - 14.0 °F 93% 30.40 in 9.0 mi Calm Calm - N/A   Clear
6:35 AM 15.8 °F - 14.0 °F 93% 30.40 in 9.0 mi Calm Calm - N/A   Clear
6:55 AM 17.6 °F - 15.8 °F 93% 30.39 in 10.0 mi Calm Calm - N/A   Clear
7:15 AM 15.8 °F - 14.0 °F 93% 30.40 in 9.0 mi Calm Calm - N/A   Clear
7:35 AM 15.8 °F - 14.0 °F 93% 30.40 in 7.0 mi Calm Calm - N/A   Clear
7:55 AM 17.6 °F - 15.8 °F 93% 30.41 in 6.0 mi Calm Calm - N/A   Clear
8:15 AM 23.0 °F 18.4 °F 17.6 °F 80% 30.41 in 9.0 mi SE 3.5 mph - N/A   Clear
8:35 AM 23.0 °F 18.4 °F 17.6 °F 80% 30.41 in 10.0 mi SSE 3.5 mph - N/A   Clear
8:55 AM 24.8 °F - 17.6 °F 74% 30.42 in 10.0 mi Calm Calm - N/A   Clear
9:15 AM 26.6 °F - 19.4 °F 74% 30.42 in 10.0 mi Calm Calm - N/A   Clear
9:35 AM 26.6 °F 21.2 °F 19.4 °F 74% 30.42 in 10.0 mi SSE 4.6 mph - N/A   Clear
9:55 AM 28.4 °F 23.3 °F 21.2 °F 74% 30.43 in 10.0 mi SSE 4.6 mph - N/A   Clear
10:15 AM 30.2 °F - 19.4 °F 64% 30.42 in 10.0 mi Calm Calm - N/A   Clear
10:35 AM 32.0 °F 28.7 °F 21.2 °F 64% 30.42 in 10.0 mi SSE 3.5 mph - N/A   Clear
10:55 AM 32.0 °F 28.7 °F 23.0 °F 69% 30.41 in 10.0 mi SE 3.5 mph - N/A   Clear
11:15 AM 32.0 °F 27.5 °F 23.0 °F 69% 30.40 in 10.0 mi SE 4.6 mph - N/A   Clear
11:35 AM 35.6 °F 31.7 °F 23.0 °F 60% 30.38 in 10.0 mi SE 4.6 mph - N/A   Clear
11:55 AM 35.6 °F 31.7 °F 23.0 °F 60% 30.37 in 10.0 mi SSE 4.6 mph - N/A   Clear
12:15 PM 37.4 °F 33.8 °F 24.8 °F 60% 30.37 in 10.0 mi SE 4.6 mph - N/A   Clear
12:35 PM 37.4 °F 34.9 °F 24.8 °F 60% 30.36 in 10.0 mi South 3.5 mph - N/A   Clear
1:15 PM 41.0 °F 35.8 °F 19.4 °F 42% 30.31 in 10.0 mi SSW 8.1 mph - N/A   Clear
1:35 PM 42.8 °F 38.6 °F 24.8 °F 49% 30.31 in 10.0 mi SE 6.9 mph - N/A   Clear
1:55 PM 42.8 °F 38.0 °F 23.0 °F 46% 30.30 in 10.0 mi SE 8.1 mph - N/A   Clear
2:15 PM 44.6 °F 38.4 °F 21.2 °F 39% 30.29 in 10.0 mi South 12.7 mph - N/A   Clear
2:35 PM 42.8 °F 37.0 °F 21.2 °F 42% 30.29 in 10.0 mi South 10.4 mph - N/A   Clear
3:15 PM 42.8 °F 37.0 °F 21.2 °F 42% 30.30 in 10.0 mi South 10.4 mph - N/A   Clear
3:35 PM 42.8 °F 38.6 °F 19.4 °F 39% 30.30 in 10.0 mi SSE 6.9 mph - N/A   Clear
3:55 PM 41.0 °F 36.4 °F 23.0 °F 49% 30.29 in 10.0 mi SSE 6.9 mph - N/A   Clear
4:15 PM 39.2 °F 35.0 °F 23.0 °F 52% 30.28 in 10.0 mi SSE 5.8 mph - N/A   Clear
4:35 PM 39.2 °F 35.0 °F 21.2 °F 49% 30.28 in 10.0 mi SE 5.8 mph - N/A   Clear
5:15 PM 37.4 °F 32.1 °F 19.4 °F 48% 30.28 in 10.0 mi South 6.9 mph - N/A   Clear
5:35 PM 37.4 °F 32.1 °F 19.4 °F 48% 30.28 in 10.0 mi SSE 6.9 mph - N/A   Clear
5:55 PM 39.2 °F 33.6 °F 19.4 °F 45% 30.28 in 10.0 mi South 8.1 mph - N/A   Clear
6:15 PM 37.4 °F 30.8 °F 19.4 °F 48% 30.27 in 10.0 mi SE 9.2 mph - N/A   Clear
6:35 PM 37.4 °F 32.1 °F 23.0 °F 56% 30.27 in 10.0 mi SSE 6.9 mph - N/A   Clear
6:55 PM 35.6 °F 28.0 °F 23.0 °F 60% 30.26 in 10.0 mi SSE 10.4 mph - N/A   Clear
7:15 PM 35.6 °F 30.7 °F 23.0 °F 60% 30.27 in 10.0 mi SSE 5.8 mph - N/A   Clear
7:35 PM 35.6 °F 29.2 °F 23.0 °F 60% 30.27 in 10.0 mi South 8.1 mph - N/A   Clear
7:55 PM 35.6 °F 29.2 °F 23.0 °F 60% 30.25 in 10.0 mi SSE 8.1 mph - N/A   Clear
8:15 PM 35.6 °F 29.2 °F 23.0 °F 60% 30.25 in 10.0 mi South 8.1 mph - N/A   Clear
8:35 PM 35.6 °F 29.2 °F 23.0 °F 60% 30.24 in 10.0 mi South 8.1 mph - N/A   Clear
8:55 PM 37.4 °F 32.1 °F 23.0 °F 56% 30.25 in 10.0 mi South 6.9 mph - N/A   Clear
9:15 PM 35.6 °F 28.0 °F 23.0 °F 60% 30.24 in 10.0 mi South 10.4 mph - N/A   Clear
9:35 PM 35.6 °F 29.9 °F 23.0 °F 60% 30.23 in 10.0 mi SSE 6.9 mph - N/A   Clear
9:55 PM 35.6 °F 30.7 °F 23.0 °F 60% 30.23 in 10.0 mi SSE 5.8 mph - N/A   Clear
10:15 PM 35.6 °F 30.7 °F 23.0 °F 60% 30.23 in 10.0 mi South 5.8 mph - N/A   Clear
10:35 PM 35.6 °F 31.7 °F 21.2 °F 56% 30.24 in 10.0 mi South 4.6 mph - N/A   Clear
10:55 PM 33.8 °F 27.7 °F 23.0 °F 65% 30.24 in 10.0 mi SSE 6.9 mph - N/A   Clear
11:15 PM 35.6 °F 32.8 °F 23.0 °F 60% 30.22 in 10.0 mi SE 3.5 mph - N/A   Clear
11:35 PM 35.6 °F 31.7 °F 23.0 °F 60% 30.22 in 10.0 mi SSE 4.6 mph - N/A   Clear
11:55 PM 35.6 °F 30.7 °F 21.2 °F 56% 30.21 in 10.0 mi SSE 5.8 mph - N/A   Clear