Weather History for St. Louis, MO

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Thursday, July 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 86 °F 80 °F  
Max Temperature 94 °F 89 °F 112 °F (1954)
Min Temperature 78 °F 71 °F 57 °F (1976)
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 21 15  
Month to date cooling degree days 254 270  
Year to date cooling degree days 802 778  
Since 1 June cooling degree days 591 604  
Growing Degree Days 36 (Base 50)    
Moisture  
Dew Point 71 °F    
Average Humidity 63    
Maximum Humidity 79    
Minimum Humidity 46    
Precipitation  
Precipitation 0.28 in 0.14 in 1.62 in (1915)
Month to date precipitation 1.77 2.44  
Year to date precipitation 31.84 23.09  
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 30.10 in    
Wind  
Wind Speed 3 mph (SSE)    
Max Wind Speed 14 mph    
Max Gust Speed 16 mph    
Visibility 10 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Jul. 18, 2013 Rise Set
Actual Time 5:51 AM CDT 8:23 PM CDT
Civil Twilight 5:20 AM CDT 8:54 PM CDT
Nautical Twilight 4:42 AM CDT 9:32 PM CDT
Astronomical Twilight 3:59 AM CDT 10:15 PM CDT
Moon 4:21 PM CDT (7/18) 1:41 AM CDT (7/18)
Length of Visible Light 15h 33m
Length of Day
14h 32m
Waxing Gibbous, 77% of the Moon is Illuminated
Jul 18
Waxing Gibbous
Jul 22
Full
Jul 29
Last Quarter
Aug 6
New
Aug 14
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 82.9 °F 88.0 °F 72.0 °F 69% 30.19 in 9.0 mi Calm Calm - N/A   Partly Cloudy
1:51 AM 82.0 °F 86.3 °F 71.1 °F 69% 30.17 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:51 AM 81.0 °F 85.2 °F 72.0 °F 74% 30.16 in 9.0 mi Calm Calm - N/A   Partly Cloudy
3:51 AM 79.0 °F - 71.1 °F 77% 30.15 in 9.0 mi Calm Calm - N/A   Clear
4:51 AM 79.0 °F - 72.0 °F 79% 30.15 in 9.0 mi Calm Calm - N/A   Partly Cloudy
5:51 AM 78.1 °F - 71.1 °F 79% 30.15 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
6:51 AM 81.0 °F 85.8 °F 73.0 °F 77% 30.15 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
7:51 AM 84.9 °F 90.7 °F 72.0 °F 65% 30.16 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
8:51 AM 88.0 °F 95.6 °F 73.0 °F 61% 30.16 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:51 AM 91.0 °F 98.2 °F 72.0 °F 53% 30.15 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:51 AM 90.0 °F 96.4 °F 71.1 °F 54% 30.14 in 10.0 mi South 3.5 mph - N/A   Scattered Clouds
11:51 AM 91.9 °F 96.9 °F 69.1 °F 47% 30.13 in 10.0 mi Calm Calm - N/A   Scattered Clouds
12:51 PM 91.0 °F 95.6 °F 69.1 °F 48% 30.12 in 10.0 mi South 3.5 mph - N/A   Scattered Clouds
1:51 PM 93.0 °F 99.0 °F 70.0 °F 47% 30.08 in 10.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
2:51 PM 88.0 °F 92.9 °F 70.0 °F 55% 30.06 in 9.0 mi North 6.9 mph - 0.00 in Rain Light Rain
3:51 PM 90.0 °F 96.9 °F 72.0 °F 55% 30.04 in 9.0 mi NE 3.5 mph - 0.28 in Rain , Thunderstorm Light Thunderstorms and Rain
4:51 PM 91.0 °F 95.6 °F 69.1 °F 48% 30.03 in 9.0 mi ESE 4.6 mph - 0.00 in   Mostly Cloudy
5:51 PM 91.9 °F 96.9 °F 69.1 °F 47% 30.01 in 9.0 mi East 3.5 mph - N/A   Mostly Cloudy
6:51 PM 91.0 °F 98.2 °F 72.0 °F 53% 30.01 in 10.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
7:51 PM 90.0 °F 96.4 °F 71.1 °F 54% 30.00 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
8:51 PM 90.0 °F 94.5 °F 69.1 °F 50% 30.00 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
9:51 PM 87.1 °F 91.3 °F 69.1 °F 55% 30.01 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
10:51 PM 86.0 °F 90.7 °F 70.0 °F 59% 30.00 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
11:51 PM 84.9 °F 90.1 °F 71.1 °F 63% 30.00 in 10.0 mi SW 6.9 mph - N/A   Scattered Clouds