St. Louis, MO

12:50 PM CDT on May 21, 2018 (GMT -0500)
Lambert-Saint Louis International

Weather History for KSTL - July, 2012

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Wednesday, July 4, 2012

  Actual Average Record
Temperature  
Mean Temperature 94 °F 80 °F  
Max Temperature 105 °F 89 °F 105 °F (2012)
Min Temperature 83 °F 71 °F 52 °F (1940)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 5 5  
Since 1 July heating degree days 0 0  
Cooling Degree Days 29 15  
Month to date cooling degree days 103 60  
Year to date cooling degree days 920 568  
Since 1 June cooling degree days 514 394  
Growing Degree Days 44 (Base 50)    
Moisture  
Dew Point 62 °F    
Average Humidity 39    
Maximum Humidity 58    
Minimum Humidity 20    
Precipitation  
Precipitation 0.00 in 0.13 in 3.03 in (1982)
Month to date precipitation T 0.51  
Year to date precipitation 18.65 21.16  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2015)
Month to date snowfall 0.0 0.0  
Since 1 June snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.88 in    
Wind  
Wind Speed 8 mph (SW)    
Max Wind Speed 15 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Jul. 04, 2012 Rise Set
Actual Time 5:42 AM CDT 8:29 PM CDT
Civil Twilight 5:10 AM CDT 9:01 PM CDT
Nautical Twilight 4:30 AM CDT 9:40 PM CDT
Astronomical Twilight 3:45 AM CDT 10:26 PM CDT
Moon 9:09 PM CDT (7/4) 6:43 AM CDT (7/4)
Length of Visible Light 15h 50m
Length of Day
14h 47m
Full, 99% of the Moon is Illuminated
Jul 4
Full
Jul 10
Last Quarter
Jul 18
New
Jul 26
First Quarter
Aug 1
Full

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 87.1 °F 91.3 °F 69.1 °F 55% 29.85 in 10.0 mi SSW 6.9 mph - N/A   Partly Cloudy
1:51 AM 87.1 °F 90.6 °F 68.0 °F 53% 29.85 in 10.0 mi SW 10.4 mph - N/A   Partly Cloudy
2:51 AM 86.0 °F 88.8 °F 66.9 °F 53% 29.86 in 10.0 mi WSW 10.4 mph - N/A   Scattered Clouds
3:51 AM 84.9 °F 87.6 °F 66.9 °F 55% 29.87 in 10.0 mi WSW 10.4 mph - N/A   Scattered Clouds
4:51 AM 84.9 °F 87.6 °F 66.9 °F 55% 29.88 in 10.0 mi WSW 11.5 mph - N/A   Scattered Clouds
5:51 AM 82.9 °F 85.4 °F 66.9 °F 58% 29.89 in 10.0 mi WSW 6.9 mph - N/A   Partly Cloudy
6:51 AM 84.0 °F 86.5 °F 66.9 °F 56% 29.91 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
7:51 AM 87.1 °F 89.2 °F 66.0 °F 49% 29.92 in 10.0 mi WSW 9.2 mph - N/A   Partly Cloudy
8:51 AM 90.0 °F 92.4 °F 66.0 °F 45% 29.93 in 10.0 mi WSW 10.4 mph - N/A   Clear
9:51 AM 93.0 °F 95.0 °F 64.9 °F 39% 29.94 in 10.0 mi WSW 10.4 mph - N/A   Clear
10:51 AM 96.1 °F 96.9 °F 62.1 °F 32% 29.94 in 10.0 mi West 4.6 mph - N/A   Clear
11:51 AM 100.0 °F 100.7 °F 60.1 °F 27% 29.93 in 10.0 mi WNW 9.2 mph - N/A   Clear
12:51 PM 100.0 °F 101.2 °F 61.0 °F 28% 29.92 in 10.0 mi WSW 11.5 mph - N/A   Partly Cloudy
1:51 PM 102.0 °F 102.7 °F 60.1 °F 25% 29.91 in 10.0 mi WSW 12.7 mph 18.4 mph N/A   Scattered Clouds
2:51 PM 102.9 °F 101.9 °F 55.9 °F 21% 29.89 in 10.0 mi WSW 12.7 mph 16.1 mph N/A   Scattered Clouds
3:51 PM 104.0 °F 102.9 °F 55.9 °F 20% 29.88 in 10.0 mi WSW 10.4 mph - N/A   Scattered Clouds
4:51 PM 104.0 °F 102.9 °F 55.9 °F 20% 29.86 in 10.0 mi SW 11.5 mph - N/A   Scattered Clouds
5:51 PM 102.9 °F 102.4 °F 57.0 °F 22% 29.85 in 10.0 mi WNW 5.8 mph - N/A   Scattered Clouds
6:51 PM 102.0 °F 100.6 °F 55.0 °F 21% 29.84 in 10.0 mi WSW 5.8 mph - N/A   Partly Cloudy
7:51 PM 100.0 °F 98.8 °F 55.9 °F 23% 29.84 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
8:51 PM 93.9 °F 93.6 °F 60.1 °F 32% 29.85 in 10.0 mi East 3.5 mph - N/A   Partly Cloudy
9:51 PM 93.2 °F 93.3 °F 60.8 °F 34% 29.87 in 10.0 mi SE 9.2 mph - N/A   Scattered Clouds
10:51 PM 93.0 °F 92.7 °F 60.1 °F 33% 29.88 in 10.0 mi SSE 6.9 mph - N/A   Partly Cloudy
11:51 PM 91.9 °F 91.5 °F 60.1 °F 34% 29.88 in 9.0 mi SSE 5.8 mph - N/A   Clear