The summer of 1980.
42, in 1980. The current streak is 40 as of August 8, so 2011 will likely take over.
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.
A prolonged period of consecutive days with the same type of weather conditions is referred to as a weather pattern or a spell of weather.
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.
Autoclaving soil for three consecutive days ensures complete sterilization by exposing it to high pressure and temperature, which kills all microorganisms present, including bacteria, fungi, and viruses. This extended autoclaving process helps to eliminate any spores or resistant life forms that may survive shorter sterilization periods, ensuring the soil is completely free of contamination.
75
42, in 1980. The current streak is 40 as of August 8, so 2011 will likely take over.
Vernon, Texas has experienced a longest streak of 52 consecutive days with temperatures reaching at least 100 degrees Fahrenheit. This occurred during the summer of 2011.
Killeen has had 45 days of temps over 100 degrees. The record is 55 days over 100 degrees in 1980
No call no show for 2 consecutive days
First Class Mail is delivered in three to five days.
bagdad
Dallas, Texas experienced 69 days with temperatures reaching 100 degrees or higher in 1980.
In 1980, Fort Worth, Texas, experienced 69 consecutive days of temperatures reaching 100 degrees Fahrenheit or higher. This record-setting heat wave began on June 19 and lasted until August 25, making it one of the longest stretches of extreme heat in the region's history.
In 2009, there were 79 consecutive days over 100 in Laredo. The previous record was held by Dallas, 42 in a row, in 1980.
First Class Mail is delivered in three to five days.
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