Weather History for Washington, MO

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Monday, May 20, 2013

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 70 °F 68 °F  
Max Temperature 78 °F 77 °F 93 °F (1902)
Min Temperature 62 °F 58 °F 41 °F (1981)
Degree Days  
Heating Degree Days 0 2  
Month to date heating degree days 62  
Since 1 July heating degree days 4518  
Cooling Degree Days 5 5  
Month to date cooling degree days 64  
Year to date cooling degree days 110  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 66 °F    
Average Humidity 86    
Maximum Humidity 100    
Minimum Humidity 65    
Precipitation  
Precipitation 2.08 in 0.15 in 1.66 in (1947)
Month to date precipitation 2.95  
Year to date precipitation 14.60  
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 29.80 in    
Wind  
Wind Speed 13 mph (SSE)    
Max Wind Speed 22 mph    
Max Gust Speed 29 mph    
Visibility 8 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

May. 20, 2013 Rise Set
Actual Time 5:47 AM CDT 8:13 PM CDT
Civil Twilight 5:17 AM CDT 8:43 PM CDT
Nautical Twilight 4:40 AM CDT 9:21 PM CDT
Astronomical Twilight 3:58 AM CDT 10:03 PM CDT
Moon 3:24 PM CDT 2:39 AM CDT
Length of Visible Light 15h 26m
Length of Day
14h 25m
Waxing Gibbous, 75% of the Moon is Illuminated
May 20
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 78.8 °F 68.0 °F 69% 29.74 in 10.0 mi South 18.4 mph 28.8 mph N/A   Clear
12:35 AM 78.8 °F 68.0 °F 69% 29.73 in 10.0 mi SSE 21.9 mph 27.6 mph N/A   Clear
12:55 AM 78.8 °F 68.0 °F 69% 29.73 in 10.0 mi SSE 19.6 mph 25.3 mph N/A   Clear
1:15 AM 78.8 °F 68.0 °F 69% 29.73 in 10.0 mi South 20.7 mph 28.8 mph N/A   Clear
1:35 AM 78.8 °F 68.0 °F 69% 29.75 in 10.0 mi South 12.7 mph 20.7 mph N/A   Mostly Cloudy
1:55 AM 78.8 °F 68.0 °F 69% 29.76 in 10.0 mi SSW 9.2 mph - N/A   Overcast
2:15 AM 78.8 °F 68.0 °F 69% 29.75 in 10.0 mi South 12.7 mph 17.3 mph N/A   Overcast
2:35 AM 78.8 °F 68.0 °F 69% 29.75 in 10.0 mi South 13.8 mph 20.7 mph N/A   Overcast
2:55 AM 77.0 °F 68.0 °F 74% 29.75 in 10.0 mi South 13.8 mph - N/A Thunderstorm Overcast
4:35 AM 62.6 °F 62.6 °F 100% 29.86 in 3.0 mi ESE 10.4 mph - N/A Thunderstorm Unknown
4:55 AM 62.6 °F 62.6 °F 100% 29.84 in 8.0 mi SE 10.4 mph - N/A Thunderstorm Mostly Cloudy
5:15 AM 62.6 °F 62.6 °F 100% 29.82 in 10.0 mi SE 9.2 mph - N/A   Mostly Cloudy
5:35 AM 62.6 °F 62.6 °F 100% 29.84 in 10.0 mi SSE 8.1 mph - N/A   Overcast
5:55 AM 62.6 °F 62.6 °F 100% 29.83 in 10.0 mi SE 4.6 mph - N/A   Overcast
6:15 AM 62.6 °F 62.6 °F 100% 29.89 in 3.0 mi South 6.9 mph - 0.02 in Rain , Thunderstorm Light Rain
6:35 AM 62.6 °F 62.6 °F 100% 29.89 in 10.0 mi South 8.1 mph - 0.03 in   Mostly Cloudy
6:55 AM 62.6 °F 62.6 °F 100% 29.88 in 5.0 mi South 6.9 mph - 0.03 in Rain Light Rain
7:15 AM 62.6 °F 62.6 °F 100% 29.88 in 10.0 mi SSE 9.2 mph - N/A   Scattered Clouds
7:35 AM 62.6 °F 62.6 °F 100% 29.86 in 10.0 mi SSE 12.7 mph - N/A   Partly Cloudy
7:55 AM 64.4 °F 64.4 °F 100% 29.87 in 10.0 mi SE 9.2 mph - N/A   Mostly Cloudy
8:15 AM 64.4 °F 64.4 °F 100% 29.86 in 10.0 mi SE 9.2 mph - N/A   Overcast
8:35 AM 64.4 °F 64.4 °F 100% 29.87 in 10.0 mi SSE 9.2 mph - N/A   Overcast
9:15 AM 66.2 °F 64.4 °F 94% 29.87 in 10.0 mi SSE 12.7 mph - N/A   Scattered Clouds
9:35 AM 66.2 °F 64.4 °F 94% 29.84 in 10.0 mi SE 11.5 mph - N/A   Partly Cloudy
9:55 AM 68.0 °F 64.4 °F 88% 29.84 in 10.0 mi SSE 13.8 mph - N/A   Partly Cloudy
10:35 AM 71.6 °F 64.4 °F 78% 29.82 in 10.0 mi SE 13.8 mph 18.4 mph N/A   Clear
10:55 AM 71.6 °F 64.4 °F 78% 29.83 in 10.0 mi SE 10.4 mph - N/A   Scattered Clouds
11:15 AM 73.4 °F 64.4 °F 73% 29.84 in 10.0 mi SSE 11.5 mph - N/A   Overcast
11:35 AM 73.4 °F 64.4 °F 73% 29.84 in 10.0 mi SSE 11.5 mph - N/A   Mostly Cloudy
11:55 AM 75.2 °F 64.4 °F 69% 29.84 in 10.0 mi SSE 11.5 mph - N/A   Mostly Cloudy
12:15 PM 75.2 °F 62.6 °F 65% 29.84 in 10.0 mi SSE 13.8 mph 18.4 mph N/A   Mostly Cloudy
12:35 PM 75.2 °F 62.6 °F 65% 29.85 in 10.0 mi SSE 15.0 mph 20.7 mph N/A   Mostly Cloudy
12:55 PM 77.0 °F 64.4 °F 65% 29.86 in 10.0 mi SSE 11.5 mph 16.1 mph N/A   Mostly Cloudy
1:15 PM 77.0 °F 64.4 °F 65% 29.85 in 10.0 mi South 9.2 mph - N/A   Overcast
1:55 PM 75.2 °F 66.2 °F 73% 29.84 in 10.0 mi South 9.2 mph - N/A   Overcast
2:15 PM 75.2 °F 66.2 °F 73% 29.83 in 10.0 mi South 8.1 mph - N/A   Overcast
2:35 PM 77.0 °F 68.0 °F 74% 29.82 in 10.0 mi South 15.0 mph - N/A   Overcast
3:35 PM 78.8 °F 68.0 °F 69% 29.80 in 10.0 mi South 10.4 mph - N/A   Overcast
3:55 PM 78.8 °F 68.0 °F 69% 29.79 in 10.0 mi SSE 11.5 mph - N/A   Overcast
4:15 PM 77.0 °F 68.0 °F 74% 29.78 in 10.0 mi South 12.7 mph - N/A   Overcast
4:35 PM 77.0 °F 69.8 °F 78% 29.77 in 10.0 mi SSE 11.5 mph - N/A   Overcast
4:55 PM 77.0 °F 69.8 °F 78% 29.76 in 10.0 mi SSE 8.1 mph - N/A   Overcast
5:15 PM 77.0 °F 71.6 °F 83% 29.75 in 9.0 mi SE 6.9 mph - N/A   Overcast
5:35 PM 77.0 °F 71.6 °F 83% 29.74 in 10.0 mi SSE 10.4 mph - N/A   Overcast
5:55 PM 75.2 °F 69.8 °F 83% 29.73 in 10.0 mi SE 6.9 mph - N/A   Overcast
6:15 PM 75.2 °F 71.6 °F 89% 29.74 in 9.0 mi SSE 10.4 mph - N/A   Overcast
6:35 PM 75.2 °F 71.6 °F 89% 29.71 in 9.0 mi SE 9.2 mph - N/A Thunderstorm Overcast
6:55 PM 75.2 °F 71.6 °F 89% 29.70 in 5.0 mi SE 6.9 mph - N/A Rain , Thunderstorm Light Thunderstorms and Rain
7:15 PM 73.4 °F 73.4 °F 100% 29.75 in 1.2 mi WNW 21.9 mph 28.8 mph 0.30 in Rain , Thunderstorm Heavy Thunderstorms and Rain
7:35 PM 71.6 °F 71.6 °F 100% 29.72 in 1.2 mi SSE 8.1 mph 17.3 mph 0.97 in Rain , Thunderstorm Thunderstorms and Rain
7:55 PM 71.6 °F 71.6 °F 100% 29.71 in 8.0 mi South 6.9 mph - 0.99 in Thunderstorm Thunderstorm
8:15 PM 71.6 °F 71.6 °F 100% 29.72 in 5.0 mi SSW 6.9 mph - 0.01 in Rain , Thunderstorm Light Thunderstorms and Rain
8:35 PM 71.6 °F 71.6 °F 100% 29.70 in 4.0 mi South 3.5 mph - 0.03 in Rain , Thunderstorm Light Thunderstorms and Rain
9:15 PM 71.6 °F 71.6 °F 100% 29.71 in 1.0 mi WNW 8.1 mph - 0.22 in Rain , Thunderstorm Heavy Thunderstorms and Rain
9:55 PM 64.4 °F 64.4 °F 100% 29.80 in 2.5 mi WSW 4.6 mph - 1.03 in Rain , Thunderstorm Thunderstorms and Rain
10:15 PM 64.4 °F 64.4 °F 100% 29.80 in 5.0 mi SSW 8.1 mph - N/A Thunderstorm Mostly Cloudy
10:35 PM 64.4 °F 64.4 °F 100% 29.82 in 5.0 mi SSW 6.9 mph - N/A Thunderstorm Mostly Cloudy
10:55 PM 64.4 °F 64.4 °F 100% 29.81 in 3.0 mi SSE 8.1 mph - N/A Rain , Thunderstorm Light Rain
11:15 PM 64.4 °F 64.4 °F 100% 29.81 in 5.0 mi SE 10.4 mph - N/A Thunderstorm Mostly Cloudy
11:35 PM 64.4 °F 64.4 °F 100% 29.75 in 7.0 mi ESE 16.1 mph - N/A   Mostly Cloudy
11:55 PM 64.4 °F 64.4 °F 100% 29.74 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy