Interesting Weather Data From Bush Intercontinental Airport

[Ptarmigan]

Here are statistics for Bush Intercontinental Airport from June 1969 to October 2012. All time based on UTC.

Wind Speed
Lowest: 0 mph (Many Times)
Highest: 56 mph (9/13/2008)
Highest Gust: 78 mph (8/18/1983)
Average: 7.62 mph
Median: 7 mph
Average Direction Degree: 188.4°
Median Direction Degree: 160°

No surprise that hurricanes are responsible for wind record from Alicia and Ike.

Temperature
Lowest: 7°F (12/23/1989)
Highest: 109°F (9/4/2000 and 8/27/2011)
Average: 68.7°F
Median: 72°F

Dew Point
Lowest: -8°F (12/25/1983)
Highest: 86°F (6/7/1979)
Average: 58.95°F
Median: 64°F

The lowest dew points occur in the winter, while highest occur in the summer. Rarely we see negative dew points.

Pressure
SLP
Lowest: 960.9 mb (9/13/2008)
Highest: 1048.3 mb (12/23/1989)
Average: 1016.7 mb
Median: 1016.1 mb

Ike and December 1989 freeze set the record for Sea Level Pressure (SLP).

STP
Lowest: 957.4 mb (9/13/2008)
Highest: 1044 mb (12/23/1989)
Average: 1012.87 mb
Median: 1012.4 mb

Ike and interestingly December 1983 freeze set the record for Station Pressure (STP).

Data Is Under 8. DSI 3505 - Integrated Surface Data, Hourly, Global
http://www.ncdc.noaa.gov/most-popular-data

[Ptarmigan]

Let's look at highest pressure at KIAH from 1969 to 2012. Let's start with Sea Level Pressure (SLP).

Highest SLP
1048.3 mb
12/23/1989

Highest SLP Above Freezing Temperature
1047 mb
1/2/2008

Highest SLP Outside of Winter (December to February)
1038.9 mb
3/9/1996
There was a freeze that time.

Highest SLP In Spring (March to May)
1038.9 mb
3/9/1996

Highest SLP In Summer (June to August)
1024.7 mb
8/14/2003

Highest SLP In Fall (September to November)
1037 mb
11/29/1990

Highest SLP In Winter (December to February)
1048.3 mb
12/23/1989


Now, let's look at Station Pressure (STP)

Highest STP
1044 mb
12/23/1989

Highest STP Above Freezing Temperature
1043.1 mb
1/2/2008

Highest STP Outside of Winter (December to February)
1034.9 mb
3/9/1996
There was a freeze that time.

Highest STP In Spring (March to May)
1034.9 mb
3/9/1996

Highest STP In Summer (June to August)
1020.7 mb
7/19/1974 and 8/14/2003

Highest STP In Fall (September to November)
1033 mb
11/29/1990

Highest STP In Winter (December to February)
1044 mb
12/23/1989

All seasons are meteorological season. Next time, I will look at lowest SLP and STP.

[Ptarmigan]

Let's look at lowest pressure at KIAH from 1969 to 2012 as I promised. Let's start with Sea Level Pressure (SLP).

Lowest SLP
960.9 mb
9/13/2008
That was the during Hurricane Ike as it went just east of Bush Intercontinental Airport.

Lowest SLP Outside Of Tropical Cyclone
990.8 mb
3/27/1984

Lowest SLP In Spring (March to May)
990.8 mb
3/27/1984

Lowest SLP In Summer (June to August)
985.7 mb
8/18/1983
During Hurricane Alicia.

Lowest SLP In Fall (September to November)
960.9 mb
9/13/2008

Lowest SLP In Winter (December to February)
996.4 mb
2/21/2003


Now, let's look at Station Pressure (STP)

Lowest STP
957.4 mb
9/13/2008

Lowest STP Outside Of Tropical Cyclone
987.0 mb
3/27/1984

Lowest STP In Spring (March to May)
987.0 mb
3/27/1984

Lowest STP In Summer (June to August)
982.1
8/18/1983

Lowest STP In Fall (September to November)
957.4 mb
9/13/2008

Lowest STP In Winter (December to February)
992.9 mb
2/26/1984

[Ptarmigan]

Let's look at wind speed at KIAH from 1969 to 2012.

Highest Wind
56 mph
9/13/2008

Highest Wind Outside Of Tropical Cyclone
47 mph
7/17/1980

Highest Wind In Spring (March to May)
45 mph
4/23/1978

Highest Wind In Summer (June to August)
51 mph
8/18/1983

Highest Wind In Fall (September to November)
56 mph
9/13/2008

Highest Wind In Winter (December to February)
38 mph
12/30/2002


Let's look at wind gust.

Highest Wind Gust
78 mph
8/18/1983

Highest Wind Gust Outside Of Tropical Cyclone
56 mph
4/23/1978

Highest Wind Gust In Spring (March to May)
56 mph
4/23/1978

Highest Wind Gust In Summer (June to August)
78 mph
8/18/1983

Highest Wind Gust In Fall (September to November)
72 mph
9/13/2008
I suspect there were highest wind gust with Ike as I saw reports of gust as high as 82 mph at KIAH.

Highest Wind Gust In Winter (December to February)
46 mph
12/24/2009

[Ptarmigan]

Let's look at dew points at KIAH from 1969 to 2012.

Highest Dew Point
86°F
6/7/1979

Highest Dew Point Outside Of Summer
82°F
9/5/2012

Highest Dew Point In Spring (March to May)
79°F
5/20/1989

Highest Dew Point In Summer (June to August)
86°F
6/7/1979

Highest Dew Point In Fall (September to November)
82°F
9/5/2012

Highest Dew Point In Winter (December to February)
73°F
12/9/1971
12/2/1978
12/3/1978
12/7/1994
12/16/2001


Lowest Dew Point
-8°F
12/25/1983

Lowest Dew Point Outside Of Winter
5°F
3/8/1996

Lowest Dew Point In Spring (March to May)
5°F
3/8/1996

Lowest Dew Point In Summer (June to August)
44°F
6/1/2012

Lowest Dew Point In Fall (September to November)
9°F
11/24/1970

Lowest Dew Point In Winter (December to February)
-8°F
12/25/1983

[Ptarmigan]

Here are more interesting weather data from Bush Intercontinental Airport from 1969 to present.

Highest 1 Hour Rainfall Total
3.38
7/13/2002

Highest 6 Hour Rainfall Total
7.95
4/18/1976

[jasons2k]

Thank you for posting this data!

[Ptarmigan]

Top 10 Wettest Calendar Day At KIAH
6/26/1989 10.34
10/25/1984 9.25
4/18/1976 8.16
6/8/2001 8.13
10/28/2002 8.04
9/13/2008 7.73
9/20/1976 7.66
3/20/1972 7.47
9/19/1979 6.92
5/19/2000 6.87

The highest calendar day is from Tropical Storm Allison in 1989. Most of them are tropical cyclones like on 6/26/1989, 6/8/2001, and 9/13/2008. Two of them occurred in 1976.

[Ptarmigan]

24 Hour Over 10 Inches (Calendar Day Or Not) At KIAH
6/8-6/9/2001 11.05
5/17-5/18/1989 10.36
6/26-6/27/1989 10.36

[Ptarmigan]

Updated Top 10 Wettest Calendar Day At KIAH
8/27/2017 16.07
6/26/1989 10.34
10/25/1984 9.25
4/18/1976 8.16
6/8/2001 8.13
10/28/2002 8.04
9/13/2008 7.73
9/20/1976 7.66
3/20/1972 7.47
9/19/1979 6.92

The wettest calendar day at KIAH is on August 27, 2017 from Harvey. The previous wettest calendar day was on June 26, 1989 from Allison. It is a distant second.