Weather History for Houston / Southwest Airport, TX

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Sunday, September 30, 2012

  Actual Average (KHOU) Record (KHOU)
Temperature  
Mean Temperature 68 °F 76 °F  
Max Temperature 73 °F 86 °F 95 °F (1998)
Min Temperature 63 °F 65 °F 47 °F (1890)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0  
Since 1 July heating degree days 1  
Cooling Degree Days 3 11  
Month to date cooling degree days 443  
Year to date cooling degree days 2825  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 62 °F    
Average Humidity 77    
Maximum Humidity 92    
Minimum Humidity 70    
Precipitation  
Precipitation 0.00 in 0.13 in 2.55 in (1913)
Month to date precipitation 4.12  
Year to date precipitation 35.99  
Sea Level Pressure  
Sea Level Pressure 29.73 in    
Wind  
Wind Speed 14 mph (NNW)    
Max Wind Speed 20 mph    
Max Gust Speed 29 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 30, 2012 Rise Set
Actual Time 7:14 AM CDT 7:08 PM CDT
Civil Twilight 6:51 AM CDT 7:31 PM CDT
Nautical Twilight 6:23 AM CDT 7:59 PM CDT
Astronomical Twilight 5:55 AM CDT 8:27 PM CDT
Moon 7:20 PM CDT (9/30) 7:40 AM CDT (9/30)
Length of Visible Light 12h 40m
Length of Day
11h 53m
Full, 100% of the Moon is Illuminated
Sep 30
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter
Oct 29
Full

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
10:35 AM 71.2 °F 68.0 °F 89% 29.68 in 10.0 mi NW 11.5 mph 18.4 mph N/A   Unknown
10:55 AM 71.6 °F 68.0 °F 88% 29.69 in 10.0 mi NW 11.5 mph 18.4 mph N/A   Overcast
11:15 AM 71.6 °F 68.0 °F 88% 29.69 in 7.0 mi NNW 11.5 mph 21.9 mph N/A   Overcast
11:35 AM 71.8 °F 68.4 °F 89% 29.69 in 4.0 mi NW 16.1 mph 21.9 mph N/A   Drizzle
11:55 AM 70.7 °F 68.2 °F 92% 29.70 in 5.0 mi NW 15.0 mph 20.7 mph N/A Rain Light Rain
12:15 PM 70.3 °F 66.9 °F 89% 29.70 in 10.0 mi NW 18.4 mph 26.5 mph N/A   Overcast
12:35 PM 72.0 °F 65.3 °F 79% 29.70 in 10.0 mi NW 12.7 mph 28.8 mph N/A   Overcast
12:55 PM 70.9 °F 64.8 °F 81% 29.70 in 10.0 mi NW 15.0 mph 23.0 mph N/A   Overcast
1:15 PM 70.7 °F 64.4 °F 80% 29.70 in 10.0 mi NW 13.8 mph 25.3 mph N/A   Overcast
1:35 PM 70.7 °F 64.2 °F 80% 29.70 in 10.0 mi NW 17.3 mph 21.9 mph N/A   Overcast
1:55 PM 71.1 °F 63.9 °F 78% 29.69 in 10.0 mi NW 16.1 mph 24.2 mph N/A   Overcast
2:15 PM 73.2 °F 64.0 °F 73% 29.69 in 10.0 mi NNW 13.8 mph 23.0 mph N/A   Overcast
2:35 PM 73.4 °F 63.9 °F 72% 29.69 in 10.0 mi NNW 10.4 mph 20.7 mph N/A   Overcast
2:55 PM 72.9 °F 64.2 °F 74% 29.69 in 10.0 mi NNW 11.5 mph 19.6 mph N/A   Overcast
3:15 PM 73.6 °F 63.3 °F 70% 29.69 in 10.0 mi NW 16.1 mph 25.3 mph N/A   Overcast
3:35 PM 73.0 °F 63.5 °F 72% 29.69 in 10.0 mi NNW 12.7 mph 23.0 mph N/A   Overcast
3:55 PM 72.7 °F 63.5 °F 73% 29.69 in 10.0 mi NNW 13.8 mph 24.2 mph N/A   Overcast
4:15 PM 71.6 °F 63.5 °F 76% 29.69 in 10.0 mi NW 18.4 mph 26.5 mph N/A   Overcast
4:35 PM 71.2 °F 62.8 °F 75% 29.70 in 10.0 mi NNW 15.0 mph 25.3 mph N/A   Overcast
4:55 PM 71.2 °F 62.6 °F 74% 29.70 in 10.0 mi NNW 15.0 mph 24.2 mph N/A   Overcast
5:15 PM 70.9 °F 62.2 °F 74% 29.71 in 10.0 mi NNW 15.0 mph 25.3 mph N/A   Overcast
5:35 PM 70.7 °F 62.2 °F 75% 29.70 in 10.0 mi NNW 19.6 mph 26.5 mph N/A   Overcast
5:55 PM 70.2 °F 62.2 °F 76% 29.71 in 10.0 mi NNW 16.1 mph 21.9 mph N/A Rain Rain
6:15 PM 69.8 °F 62.4 °F 77% 29.72 in 10.0 mi NW 10.4 mph 18.4 mph N/A   Overcast
6:35 PM 70.0 °F 61.7 °F 75% 29.73 in 10.0 mi NNW 12.7 mph 18.4 mph N/A   Overcast
6:55 PM 69.8 °F 60.6 °F 73% 29.73 in 10.0 mi NNW 15.0 mph 23.0 mph N/A   Overcast
7:15 PM 69.4 °F 59.2 °F 70% 29.74 in 10.0 mi NNW 18.4 mph 27.6 mph N/A   Overcast
7:35 PM 68.5 °F 58.3 °F 70% 29.75 in 10.0 mi NNW 16.1 mph 27.6 mph N/A   Overcast
7:55 PM 68.0 °F 58.1 °F 71% 29.76 in 10.0 mi NNW 13.8 mph 23.0 mph N/A   Overcast
8:15 PM 68.0 °F 58.3 °F 71% 29.76 in 10.0 mi North 15.0 mph 19.6 mph N/A   Overcast
8:35 PM 67.6 °F 58.3 °F 72% 29.77 in 10.0 mi North 16.1 mph - N/A   Overcast
8:55 PM 67.1 °F 58.1 °F 73% 29.78 in 10.0 mi NNW 16.1 mph 24.2 mph N/A   Overcast
9:15 PM 66.2 °F 58.3 °F 76% 29.79 in 10.0 mi NNW 10.4 mph 17.3 mph N/A   Overcast
9:35 PM 66.0 °F 58.5 °F 77% 29.80 in 10.0 mi NNW 10.4 mph 20.7 mph N/A   Overcast
9:55 PM 65.1 °F 58.1 °F 78% 29.80 in 10.0 mi NNW 11.5 mph - N/A   Mostly Cloudy
10:15 PM 64.4 °F 57.4 °F 78% 29.80 in 10.0 mi NNW 9.2 mph - N/A   Scattered Clouds
10:35 PM 63.9 °F 57.2 °F 79% 29.81 in 10.0 mi NNW 8.1 mph - N/A   Scattered Clouds
11:15 PM 63.9 °F 56.8 °F 78% 29.82 in 10.0 mi NW 8.1 mph - N/A   Mostly Cloudy
11:35 PM 64.4 °F 57.0 °F 77% 29.82 in 10.0 mi NW 9.2 mph - N/A   Overcast
11:55 PM 64.6 °F 57.0 °F 76% 29.82 in 10.0 mi NW 9.2 mph - N/A   Overcast