Weather History for St. Louis, MO

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Tuesday, June 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 77 °F 77 °F  
Max Temperature 89 °F 86 °F 100 °F (1953)
Min Temperature 64 °F 68 °F 52 °F (1961)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 1 3  
Since 1 June heating degree days 1 3  
Since 1 July heating degree days 4488 4533  
Cooling Degree Days 12 12  
Month to date cooling degree days 153 172  
Year to date cooling degree days 364 346  
Since 1 June cooling degree days 153 172  
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 62 °F    
Average Humidity 67    
Maximum Humidity 93    
Minimum Humidity 40    
Precipitation  
Precipitation 0.00 in 0.15 in 3.50 in (1875)
Month to date precipitation 2.51 2.69  
Year to date precipitation 26.65 19.06  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2012)
Month to date snowfall 0.0 0.0  
Since 1 June snowfall 0.0 0.0  
Since 1 July snowfall 27.9 17.7  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 7 mph (WNW)    
Max Wind Speed 15 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jun. 18, 2013 Rise Set
Actual Time 5:36 AM CDT 8:29 PM CDT
Civil Twilight 5:04 AM CDT 9:01 PM CDT
Nautical Twilight 4:24 AM CDT 9:41 PM CDT
Astronomical Twilight 3:37 AM CDT 10:27 PM CDT
Moon 3:16 PM CDT (6/18) 1:42 AM CDT (6/18)
Length of Visible Light 15h 56m
Length of Day
14h 52m
Waxing Gibbous, 71% of the Moon is Illuminated
Jun 18
Waxing Gibbous
Jun 23
Full
Jun 29
Last Quarter
Jul 8
New
Jul 15
First Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 66.0 °F - 63.0 °F 90% 29.91 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:51 AM 66.0 °F - 63.0 °F 90% 29.91 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
2:51 AM 66.0 °F - 63.0 °F 90% 29.92 in 9.0 mi WSW 4.6 mph - N/A   Partly Cloudy
3:51 AM 64.9 °F - 63.0 °F 93% 29.93 in 10.0 mi SW 3.5 mph - N/A   Partly Cloudy
4:51 AM 64.9 °F - 62.1 °F 90% 29.95 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
5:51 AM 64.0 °F - 61.0 °F 90% 29.95 in 10.0 mi West 4.6 mph - N/A   Scattered Clouds
6:51 AM 66.9 °F - 62.1 °F 84% 29.95 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
7:51 AM 70.0 °F - 63.0 °F 78% 29.96 in 10.0 mi West 5.8 mph - N/A   Partly Cloudy
9:51 AM 79.0 °F - 66.9 °F 66% 29.95 in 10.0 mi WSW 5.8 mph - N/A   Scattered Clouds
10:51 AM 82.0 °F 84.5 °F 66.9 °F 60% 29.95 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
11:51 AM 84.0 °F 86.3 °F 66.0 °F 55% 29.94 in 10.0 mi NNW 6.9 mph - N/A   Mostly Cloudy
12:51 PM 86.0 °F 87.3 °F 64.0 °F 48% 29.94 in 10.0 mi NNW 5.8 mph - N/A   Mostly Cloudy
1:51 PM 87.1 °F 87.8 °F 63.0 °F 44% 29.93 in 10.0 mi NW 5.8 mph - N/A   Mostly Cloudy
2:51 PM 89.1 °F 89.3 °F 62.1 °F 40% 29.93 in 10.0 mi West 11.5 mph 17.3 mph N/A   Mostly Cloudy
3:51 PM 88.0 °F 87.9 °F 61.0 °F 40% 29.91 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
4:51 PM 88.0 °F 87.6 °F 60.1 °F 39% 29.90 in 10.0 mi NW 10.4 mph - N/A   Mostly Cloudy
5:51 PM 84.0 °F 83.3 °F 57.0 °F 40% 29.90 in 10.0 mi NNW 11.5 mph - N/A   Mostly Cloudy
6:51 PM 82.9 °F 82.8 °F 59.0 °F 44% 29.91 in 10.0 mi NNW 9.2 mph - N/A   Mostly Cloudy
7:51 PM 80.1 °F 80.9 °F 60.1 °F 50% 29.92 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
8:51 PM 78.1 °F - 59.0 °F 52% 29.93 in 10.0 mi NNW 4.6 mph - N/A   Mostly Cloudy
9:51 PM 73.9 °F - 61.0 °F 64% 29.94 in 10.0 mi North 6.9 mph - N/A   Scattered Clouds
10:51 PM 73.0 °F - 61.0 °F 66% 29.95 in 10.0 mi NW 5.8 mph - N/A   Partly Cloudy
11:51 PM 75.0 °F - 62.1 °F 64% 29.95 in 10.0 mi NNE 8.1 mph - N/A   Clear