79, already 10 more than any other year in recorded history. See the related link for more information.
It depends a lot where in Texas. Dallas has had 67, for example, while Waco has had 81. Many of the Texas National Weather Service Offices are tracking this information with links on their homepage. You can start at the Dallas/Fort Worth NWS that I have linked below and look around at some of the other offices in Texas as well.
In Fort Smith, Arkansas, the number of days with temperatures over 100 degrees can vary each year. It is recommended to check the local weather records or climate data for the most accurate and up-to-date information on the number of days over 100 degrees in Fort Smith.
Granbury has no weather station, but at nearby DFW (Dallas Int Airport) it has reached at least 100 56 times in 2011 (as of August 22), which is tied for second in history. First place belongs to 1980 at 69 days.
(-210) degrees Celsius = -346 degrees Fahrenheit
500 degrees Celsius = 932 degrees Fahrenheit.
11 at the airport
"Austin-Mabry topped out at 103 yesterday (July 26, 2011), bringing the hot count up to 42 days of 100+ this year, tied for 5th all time. Most 100s in a year? 1st place is 69 in 1925. 2nd place is 68 in 2009."
I don't have the Camp Mabry figures, but at Austin-Bergstrom I.A. there were eleven days with highs of at least 100° F in June 2011. Two of them tied the record high for the date, and three of them broke the record high for the date.
Data as of September 7, 2011:Number of Days of 100 degrees or higher in DFW in 2011: 66Consecutive Days of 100 degrees or higher in 2011: 40 (July 2 to August 10)Days over 100 Degrees in 1980: 69Consecutive Days Over 100 in 1980: 42
In 2011, Killeen, TX experienced 98 days with temperatures exceeding 100 degrees Fahrenheit.
Killeen has had 45 days of temps over 100 degrees. The record is 55 days over 100 degrees in 1980
In 2011, Tulsa, OK had 26 days where the temperature reached or exceeded 100 degrees Fahrenheit.
In 2011, Houston experienced 9 days with temperatures reaching or exceeding 100 degrees Fahrenheit.
75
In 2011 there were 365 days.
In 2011, Tulsa, Oklahoma experienced over 100-degree temperatures on 47 days.
As of and including July 23, 2011, Laredo had recorded 88 days of at least 100 degrees, including 23 consectuvie (and counting). This includes every day thus far in July, and every day but two in June.