Weather History for St. Louis, MO

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Tuesday, July 23, 2013

  Actual Average Record
Temperature  
Mean Temperature 83 °F 80 °F  
Max Temperature 92 °F 89 °F 108 °F (1934)
Min Temperature 74 °F 71 °F 52 °F (1947)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 1 5  
Since 1 July heating degree days 0 0  
Cooling Degree Days 18 15  
Month to date cooling degree days 347 345  
Year to date cooling degree days 895 853  
Since 1 June cooling degree days 684 679  
Growing Degree Days 34 (Base 50)    
Moisture  
Dew Point 68 °F    
Average Humidity 59    
Maximum Humidity 74    
Minimum Humidity 44    
Precipitation  
Precipitation 0.00 in 0.14 in 2.05 in (1973)
Month to date precipitation 1.77 3.09  
Year to date precipitation 31.84 23.74  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2013)
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 29.81 in    
Wind  
Wind Speed 9 mph (NW)    
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

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Date:

Astronomy

Jul. 23, 2013 Rise Set
Actual Time 5:55 AM CDT 8:20 PM CDT
Civil Twilight 5:24 AM CDT 8:50 PM CDT
Nautical Twilight 4:47 AM CDT 9:27 PM CDT
Astronomical Twilight 4:05 AM CDT 10:09 PM CDT
Moon 8:50 PM CDT (7/23) 7:02 AM CDT (7/23)
Length of Visible Light 15h 25m
Length of Day
14h 24m
Full, 99% of the Moon is Illuminated
Jul 23
Full
Jul 29
Last Quarter
Aug 6
New
Aug 14
First Quarter
Aug 20
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 82.9 °F 88.0 °F 72.0 °F 69% 29.81 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:51 AM 82.0 °F 86.7 °F 72.0 °F 71% 29.79 in 10.0 mi WSW 8.1 mph - N/A   Scattered Clouds
2:51 AM 81.0 °F 84.9 °F 71.1 °F 72% 29.81 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
3:51 AM 80.1 °F 83.2 °F 70.0 °F 71% 29.76 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
4:51 AM 80.1 °F 82.7 °F 68.0 °F 67% 29.72 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:51 AM 78.1 °F - 68.0 °F 71% 29.77 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
6:51 AM 79.0 °F - 69.1 °F 72% 29.79 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
7:51 AM 80.1 °F 82.9 °F 69.1 °F 69% 29.80 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
8:51 AM 82.9 °F 86.5 °F 69.1 °F 63% 29.81 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
9:51 AM 86.0 °F 90.7 °F 70.0 °F 59% 29.81 in 10.0 mi WNW 10.4 mph - N/A   Scattered Clouds
10:51 AM 88.0 °F 92.9 °F 70.0 °F 55% 29.82 in 10.0 mi WNW 10.4 mph - N/A   Scattered Clouds
11:51 AM 89.1 °F 95.0 °F 71.1 °F 55% 29.82 in 10.0 mi NW 12.7 mph - N/A   Scattered Clouds
12:51 PM 89.1 °F 95.0 °F 71.1 °F 55% 29.83 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
1:51 PM 91.0 °F 96.6 °F 70.0 °F 50% 29.81 in 10.0 mi NNW 12.7 mph 16.1 mph N/A   Scattered Clouds
2:51 PM 91.0 °F 94.3 °F 66.9 °F 45% 29.80 in 10.0 mi NNW 10.4 mph - N/A   Scattered Clouds
3:51 PM 91.0 °F 95.2 °F 68.0 °F 47% 29.80 in 10.0 mi NNW 10.4 mph - N/A   Scattered Clouds
4:51 PM 90.0 °F 92.8 °F 66.9 °F 46% 29.78 in 10.0 mi North 11.5 mph - N/A   Scattered Clouds
5:51 PM 89.1 °F 92.9 °F 68.0 °F 50% 29.78 in 10.0 mi NNW 11.5 mph - N/A   Scattered Clouds
6:51 PM 86.0 °F 87.3 °F 64.0 °F 48% 29.80 in 10.0 mi North 9.2 mph - N/A   Mostly Cloudy
7:51 PM 82.9 °F 85.0 °F 66.0 °F 56% 29.81 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
8:51 PM 81.0 °F 82.5 °F 64.0 °F 56% 29.84 in 10.0 mi North 12.7 mph - N/A   Mostly Cloudy
9:51 PM 79.0 °F - 64.0 °F 60% 29.86 in 10.0 mi NNE 10.4 mph - N/A   Mostly Cloudy
10:51 PM 77.0 °F - 64.0 °F 64% 29.87 in 10.0 mi North 13.8 mph - N/A   Mostly Cloudy
11:51 PM 75.0 °F - 62.1 °F 64% 29.88 in 10.0 mi NE 9.2 mph - N/A   Partly Cloudy