Weather History for Washington, MO

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Tuesday, May 21, 2013

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 71 °F 68 °F  
Max Temperature 78 °F 78 °F 93 °F (1941)
Min Temperature 64 °F 59 °F 38 °F (1883)
Degree Days  
Heating Degree Days 0 2  
Month to date heating degree days 64  
Since 1 July heating degree days 4520  
Cooling Degree Days 6 5  
Month to date cooling degree days 69  
Year to date cooling degree days 115  
Growing Degree Days 21 (Base 50)    
Moisture  
Dew Point 63 °F    
Average Humidity 82    
Maximum Humidity 100    
Minimum Humidity 61    
Precipitation  
Precipitation 0.00 in 0.16 in 2.00 in (1957)
Month to date precipitation 3.11  
Year to date precipitation 14.76  
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 29.75 in    
Wind  
Wind Speed 6 mph (South)    
Max Wind Speed 17 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 21, 2013 Rise Set
Actual Time 5:47 AM CDT 8:14 PM CDT
Civil Twilight 5:16 AM CDT 8:44 PM CDT
Nautical Twilight 4:39 AM CDT 9:22 PM CDT
Astronomical Twilight 3:57 AM CDT 10:04 PM CDT
Moon 4:30 PM CDT (5/21) 3:12 AM CDT (5/21)
Length of Visible Light 15h 27m
Length of Day
14h 27m
Waxing Gibbous, 84% of the Moon is Illuminated
May 21
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 64.4 °F 64.4 °F 100% 29.77 in 10.0 mi SSE 5.8 mph - N/A   Partly Cloudy
12:35 AM 64.4 °F 64.4 °F 100% 29.78 in 10.0 mi Calm Calm - N/A   Scattered Clouds
12:55 AM 64.4 °F 64.4 °F 100% 29.77 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:15 AM 64.4 °F 64.4 °F 100% 29.75 in 10.0 mi East 4.6 mph - N/A   Partly Cloudy
1:35 AM 64.4 °F 64.4 °F 100% 29.75 in 10.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
1:55 AM 64.4 °F 64.4 °F 100% 29.76 in 10.0 mi East 5.8 mph - N/A   Overcast
2:15 AM 64.4 °F 64.4 °F 100% 29.77 in 10.0 mi SE 6.9 mph - N/A   Mostly Cloudy
2:35 AM 64.4 °F 64.4 °F 100% 29.77 in 10.0 mi SE 8.1 mph - N/A Thunderstorm Scattered Clouds
2:55 AM 64.4 °F 64.4 °F 100% 29.76 in 10.0 mi SE 8.1 mph - N/A   Clear
3:15 AM 64.4 °F 62.6 °F 94% 29.76 in 10.0 mi ESE 8.1 mph - N/A   Clear
3:35 AM 64.4 °F 62.6 °F 94% 29.76 in 10.0 mi SE 9.2 mph - N/A   Mostly Cloudy
3:55 AM 64.4 °F 62.6 °F 94% 29.76 in 7.0 mi Calm Calm - N/A   Overcast
4:15 AM 64.4 °F 62.6 °F 94% 29.75 in 10.0 mi ESE 4.6 mph - N/A   Overcast
4:35 AM 64.4 °F 62.6 °F 94% 29.75 in 10.0 mi SE 5.8 mph - N/A   Overcast
4:55 AM 64.4 °F 62.6 °F 94% 29.76 in 10.0 mi SE 3.5 mph - N/A   Overcast
5:15 AM 64.4 °F 62.6 °F 94% 29.76 in 10.0 mi Calm Calm - N/A   Overcast
5:35 AM 64.4 °F 62.6 °F 94% 29.75 in 10.0 mi SE 3.5 mph - N/A   Scattered Clouds
5:55 AM 64.4 °F 62.6 °F 94% 29.76 in 10.0 mi Calm Calm - N/A   Clear
6:15 AM 64.4 °F 60.8 °F 88% 29.76 in 10.0 mi WSW 4.6 mph - N/A   Clear
6:35 AM 64.4 °F 60.8 °F 88% 29.77 in 10.0 mi Calm Calm - N/A   Clear
6:55 AM 66.2 °F 60.8 °F 83% 29.79 in 10.0 mi Calm Calm - N/A   Clear
7:15 AM 66.2 °F 60.8 °F 83% 29.79 in 10.0 mi Calm Calm - N/A   Clear
7:35 AM 66.2 °F 60.8 °F 83% 29.79 in 10.0 mi Calm Calm - N/A   Clear
7:55 AM 66.2 °F 60.8 °F 83% 29.80 in 10.0 mi South 4.6 mph - N/A   Clear
8:15 AM 66.2 °F 60.8 °F 83% 29.79 in 10.0 mi South 4.6 mph - N/A   Clear
8:35 AM 66.2 °F 60.8 °F 83% 29.79 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
8:55 AM 66.2 °F 62.6 °F 88% 29.78 in 10.0 mi South 5.8 mph - N/A   Scattered Clouds
9:15 AM 68.0 °F 62.6 °F 83% 29.78 in 10.0 mi SSE 4.6 mph - N/A   Clear
9:35 AM 68.0 °F 62.6 °F 83% 29.78 in 10.0 mi SSW 4.6 mph - N/A   Clear
9:55 AM 69.8 °F 62.6 °F 78% 29.78 in 10.0 mi SSW 8.1 mph - N/A   Clear
10:15 AM 69.8 °F 62.6 °F 78% 29.79 in 10.0 mi SSW 8.1 mph - N/A   Clear
10:35 AM 69.8 °F 62.6 °F 78% 29.79 in 10.0 mi SSW 6.9 mph - N/A   Clear
10:55 AM 71.6 °F 62.6 °F 73% 29.78 in 10.0 mi SSW 6.9 mph - N/A   Clear
11:15 AM 71.6 °F 64.4 °F 78% 29.78 in 10.0 mi SSW 4.6 mph - N/A   Clear
11:35 AM 71.6 °F 64.4 °F 78% 29.78 in 10.0 mi WSW 4.6 mph - N/A   Clear
11:55 AM 73.4 °F 64.4 °F 73% 29.78 in 10.0 mi SSW 6.9 mph - N/A   Clear
12:15 PM 73.4 °F 64.4 °F 73% 29.79 in 10.0 mi SSW 10.4 mph - N/A   Clear
12:35 PM 75.2 °F 64.4 °F 69% 29.78 in 10.0 mi South 10.4 mph - N/A   Clear
12:55 PM 77.0 °F 64.4 °F 65% 29.77 in 10.0 mi SSW 16.1 mph 20.7 mph N/A   Clear
1:15 PM 77.0 °F 64.4 °F 65% 29.76 in 10.0 mi SW 12.7 mph 16.1 mph N/A   Partly Cloudy
1:35 PM 77.0 °F 64.4 °F 65% 29.76 in 10.0 mi SSW 12.7 mph 17.3 mph N/A   Partly Cloudy
1:55 PM 78.8 °F 64.4 °F 61% 29.76 in 10.0 mi SW 17.3 mph - N/A   Clear
2:15 PM 78.8 °F 64.4 °F 61% 29.76 in 10.0 mi SSW 15.0 mph 20.7 mph N/A   Clear
2:35 PM 77.0 °F 62.6 °F 61% 29.77 in 10.0 mi SSW 17.3 mph 23.0 mph N/A   Clear
2:55 PM 77.0 °F 62.6 °F 61% 29.77 in 10.0 mi SSW 13.8 mph 17.3 mph N/A   Clear
3:15 PM 77.0 °F 62.6 °F 61% 29.76 in 10.0 mi SSW 17.3 mph 23.0 mph N/A   Clear
3:35 PM 75.2 °F 62.6 °F 65% 29.75 in 10.0 mi SSW 10.4 mph - N/A   Clear
3:55 PM 75.2 °F 62.6 °F 65% 29.74 in 10.0 mi SSW 13.8 mph - N/A   Clear
4:15 PM 73.4 °F 62.6 °F 69% 29.73 in 10.0 mi SW 12.7 mph 18.4 mph N/A   Clear
4:35 PM 73.4 °F 62.6 °F 69% 29.71 in 10.0 mi SW 9.2 mph 18.4 mph N/A   Clear
4:55 PM 73.4 °F 62.6 °F 69% 29.70 in 10.0 mi SW 5.8 mph - N/A   Clear
5:15 PM 73.4 °F 62.6 °F 69% 29.70 in 10.0 mi WSW 4.6 mph - N/A   Clear
5:35 PM 73.4 °F 62.6 °F 69% 29.71 in 10.0 mi West 6.9 mph - N/A   Clear
5:55 PM 73.4 °F 62.6 °F 69% 29.71 in 10.0 mi WSW 8.1 mph - N/A   Clear
6:15 PM 73.4 °F 62.6 °F 69% 29.72 in 10.0 mi WSW 6.9 mph - N/A   Clear
6:35 PM 75.2 °F 62.6 °F 65% 29.73 in 10.0 mi SW 5.8 mph - N/A   Clear
6:55 PM 73.4 °F 62.6 °F 69% 29.73 in 10.0 mi SW 4.6 mph - N/A   Clear
7:15 PM 75.2 °F 62.6 °F 65% 29.73 in 10.0 mi SW 3.5 mph - N/A   Clear
7:35 PM 73.4 °F 62.6 °F 69% 29.73 in 10.0 mi SW 3.5 mph - N/A   Clear
7:55 PM 73.4 °F 62.6 °F 69% 29.73 in 10.0 mi SSW 3.5 mph - N/A   Clear
8:15 PM 69.8 °F 66.2 °F 88% 29.73 in 10.0 mi SSE 4.6 mph - N/A   Clear
8:35 PM 68.0 °F 64.4 °F 88% 29.71 in 10.0 mi ESE 3.5 mph - N/A   Clear
8:55 PM 68.0 °F 64.4 °F 88% 29.70 in 10.0 mi ESE 5.8 mph - N/A   Clear
9:15 PM 68.0 °F 64.4 °F 88% 29.70 in 10.0 mi SE 5.8 mph - N/A   Clear
9:35 PM 68.0 °F 64.4 °F 88% 29.69 in 10.0 mi ESE 8.1 mph - N/A   Clear
9:55 PM 68.0 °F 62.6 °F 83% 29.68 in 10.0 mi East 9.2 mph - N/A   Clear
10:15 PM 66.2 °F 62.6 °F 88% 29.69 in 10.0 mi SE 4.6 mph - N/A   Clear
10:35 PM 66.2 °F 64.4 °F 94% 29.70 in 10.0 mi Calm Calm - N/A   Clear
10:55 PM 66.2 °F 64.4 °F 94% 29.71 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:15 PM 64.4 °F 64.4 °F 100% 29.71 in 10.0 mi NNE 3.5 mph - N/A   Mostly Cloudy
11:35 PM 64.4 °F 64.4 °F 100% 29.71 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:55 PM 64.4 °F 64.4 °F 100% 29.73 in 10.0 mi NW 3.5 mph - N/A   Scattered Clouds