St. Louis, MO

8:32 PM CDT on March 26, 2017 (GMT -0500)
Lambert-Saint Louis International

Weather History for KSTL - July, 2012

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Friday, July 20, 2012

  Actual Average Record
Temperature  
Mean Temperature 81 °F 80 °F  
Max Temperature 86 °F 89 °F 110 °F (1934)
Min Temperature 75 °F 71 °F 58 °F (1929)
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 16 15  
Month to date cooling degree days 471 300  
Year to date cooling degree days 1288 808  
Since 1 June cooling degree days 882 634  
Growing Degree Days 30 (Base 50)    
Moisture  
Dew Point 66 °F    
Average Humidity 65    
Maximum Humidity 79    
Minimum Humidity 51    
Precipitation  
Precipitation 0.00 in 0.13 in 3.70 in (1949)
Month to date precipitation 0.53 2.70  
Year to date precipitation 19.18 23.35  
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 29.98 in    
Wind  
Wind Speed 9 mph (North)    
Max Wind Speed 16 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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Date:

Astronomy

Jul. 20, 2012 Rise Set
Actual Time 5:53 AM CDT 8:22 PM CDT
Civil Twilight 5:22 AM CDT 8:52 PM CDT
Nautical Twilight 4:44 AM CDT 9:30 PM CDT
Astronomical Twilight 4:02 AM CDT 10:12 PM CDT
Moon 7:28 AM CDT (7/20) 9:04 PM CDT (7/20)
Length of Visible Light 15h 30m
Length of Day
14h 29m
Waxing Crescent, 3% of the Moon is Illuminated
Jul 20
Waxing Crescent
Jul 26
First Quarter
Aug 1
Full
Aug 9
Last Quarter
Aug 17
New

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 82.9 °F 87.0 °F 70.0 °F 65% 29.90 in 10.0 mi North 5.8 mph - N/A   Clear
1:51 AM 81.0 °F 84.4 °F 70.0 °F 69% 29.91 in 10.0 mi North 8.1 mph - N/A   Clear
2:51 AM 79.0 °F - 69.1 °F 72% 29.91 in 10.0 mi North 10.4 mph - N/A   Clear
3:51 AM 78.1 °F - 69.1 °F 74% 29.90 in 10.0 mi NNE 9.2 mph - N/A   Clear
4:51 AM 77.0 °F - 69.1 °F 76% 29.92 in 10.0 mi NNE 9.2 mph - N/A   Scattered Clouds
5:51 AM 75.0 °F - 68.0 °F 79% 29.94 in 10.0 mi North 8.1 mph - N/A   Scattered Clouds
6:51 AM 75.0 °F - 66.9 °F 76% 29.96 in 8.0 mi NNE 12.7 mph - N/A   Scattered Clouds
7:48 AM 75.2 °F - 66.2 °F 73% 30.02 in 9.0 mi North 8.1 mph - N/A   Overcast
7:51 AM 75.0 °F - 66.9 °F 76% 29.97 in 9.0 mi North 6.9 mph - N/A   Overcast
8:51 AM 75.9 °F - 66.0 °F 71% 29.99 in 9.0 mi North 8.1 mph - N/A   Mostly Cloudy
8:58 AM 77.0 °F - 66.2 °F 69% 30.03 in 9.0 mi North 8.1 mph - N/A   Mostly Cloudy
9:51 AM 79.0 °F - 66.0 °F 64% 29.99 in 9.0 mi North 11.5 mph - N/A   Mostly Cloudy
10:30 AM 80.6 °F 82.7 °F 66.2 °F 61% 30.03 in 10.0 mi North 11.5 mph - N/A   Mostly Cloudy
10:51 AM 81.0 °F 83.0 °F 66.0 °F 60% 30.00 in 10.0 mi North 9.2 mph - N/A   Overcast
11:51 AM 81.0 °F 82.7 °F 64.9 °F 58% 30.00 in 10.0 mi North 12.7 mph - N/A   Overcast
12:51 PM 82.0 °F 83.8 °F 64.9 °F 56% 30.01 in 10.0 mi NNE 11.5 mph - N/A   Overcast
1:51 PM 82.0 °F 83.8 °F 64.9 °F 56% 30.01 in 10.0 mi North 11.5 mph - N/A   Overcast
2:51 PM 84.9 °F 87.1 °F 66.0 °F 53% 30.01 in 10.0 mi North 11.5 mph 18.4 mph N/A   Overcast
3:51 PM 84.9 °F 86.6 °F 64.9 °F 51% 30.01 in 10.0 mi North 10.4 mph - N/A   Mostly Cloudy
4:51 PM 84.9 °F 86.6 °F 64.9 °F 51% 30.00 in 10.0 mi North 9.2 mph - N/A   Mostly Cloudy
5:51 PM 84.9 °F 86.6 °F 64.9 °F 51% 29.99 in 10.0 mi NNE 12.7 mph - N/A   Scattered Clouds
6:51 PM 84.9 °F 86.6 °F 64.9 °F 51% 29.99 in 10.0 mi North 10.4 mph - N/A   Partly Cloudy
7:51 PM 84.0 °F 85.8 °F 64.9 °F 53% 29.99 in 10.0 mi NNE 10.4 mph - N/A   Scattered Clouds
8:51 PM 82.0 °F 83.8 °F 64.9 °F 56% 30.01 in 10.0 mi NNE 8.1 mph - N/A   Partly Cloudy
9:51 PM 80.1 °F 82.1 °F 66.0 °F 62% 30.02 in 10.0 mi NNE 5.8 mph - N/A   Clear
10:51 PM 79.0 °F - 66.0 °F 64% 30.02 in 10.0 mi ENE 3.5 mph - N/A   Partly Cloudy
11:51 PM 78.1 °F - 64.9 °F 64% 30.02 in 10.0 mi Calm Calm - N/A   Clear