Highest
134°F
Greenland Ranch, California
July 10, 1913
Talk about hot right there! Wxman57 would like Death Valley. Very hot.

Lowest
-80°F
Prospect Creek, Alaska
January 23, 1971
Some of the cold weather people would love this.

Most Rainfall In 24 Hours
43 Inches
Alvin, Texas
July 25-26, 1979
I am sure many here remember Claudette.
Wettest Year
704.83"
Kukui, Hawaii
1982
No need to worry about drought right there.

Driest Year
0"
Death Valley, California
1929
It would get boring.
Most Snowfall In 24 Hours
75.80"
Silver Lake, Colorado
April 14-15, 1921
Talk about plenty of snow plowing!
Most Snowfall In Season
1140"
Mt. Baker Ski Area, Washington
1998-1999
Perfect place to ski.
Maximum Gust Recorded
231 mph
April 12, 1934
Mt. Washington, New Hampshire
That is the highest recorded with anemometer. If it was at sea level, it would be around 190 mph.
Lowest Pressure
892.3 Millibar
Matecumbe Key, Florida
September 2, 1935
The Labor Day Hurricane with sustained winds of 200 mph.
Highest Pressure
1078.6 Millibar
Northway, Alaska
January 31, 1989
That cold air ended up in Texas and caused a prolonged freeze in February 1989.
National Climate Extremes Committee
http://www.ncdc.noaa.gov/extremes/ncec/index.html