The extended heat wave across the Four State Region is certainly one for the record books and is rivaled with the summers of 1998 and 1980. Much of the region observed at least 15 days where temperatures reached/exceeded 100 degrees during July with nearly 25 days or more recorded so far this summer.
Below is a list of the number of 100+ degree days in July and what is considered normal and the July monthly temperature and departures for selected cities across Northeast Texas.
City: July 2011 100 Degree Days, July Normal 100 Degree Days, July Average Temperature, Departure from Normal
Tyler, Tx.           31, 5, 90.9, +7.5
Note: July was the hottest month ever on record, ahead of 1998 (89.7 degrees) and also recorded the greatest number of 100 degree days ever in a month.  In fact, 100+ degrees was recorded every day in the month of July for Tyler, Texas.  Tyler continued its all time record streak of consecutive number of 100 degree days at 34 including the last 3 days of June, 2011. July was also tied for the 4th driest July on record (with 1944) with 0.08 inches of rain recorded for the month.  Records for Tyler, Texas date back to 1896.
Longview, Tx.        28, 5, 89.7, +6.2
Note: July ranked as the hottest July on record, ahead of 1998 (89.4 degrees).  July also recorded the greatest number of 100 degree days ever in a month.  Records for Longview, Texas date back to 1902.
Lufkin, Tx.            16, 3, 86.9, +4.3
Note: July ranked as the 2nd hottest July on record behind 1998 (87.7 degrees).  July also recorded the 2nd greatest number of 100 degree days on record behind 1998 (22 days).  Records for Lufkin, Texas date back to 1949.
The total number of 100 degree days this summer also continues to add up with each passing day. Below is a list of the total and normal number of 100 degree days for the month of July.
City: 2011 Number of 100 Degree Days, Number of Average 100 Degree Days
Tyler, Tx.              47, 5
Note: Currently ranks as having the greatest number of 100 degree days on record (based on available data).
Longview, Tx.        39, 7
Note: Currently ranks as having the 7th greatest number of 100 degree days on record behind 1934 (64 days).
Lufkin, Tx.            27, 3
Note: Currently ranked as 4th most number of 100 degree days on record behind 1998 (42 days).

Excessive Heat in GREGG, TEXAS
From 01-JUL-11 00:00:00 to 31-JUL-11 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Excessive Heat in HARRISON, TEXAS
From 01-JUL-11 00:00:00 to 31-JUL-11 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Excessive Heat in MARION, TEXAS
From 01-JUL-11 00:00:00 to 31-JUL-11 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Excessive Heat in MORRIS, TEXAS
From 01-JUL-11 00:00:00 to 31-JUL-11 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Excessive Heat in NACOGDOCHES, TEXAS
From 01-JUL-11 00:00:00 to 31-JUL-11 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Excessive Heat in PANOLA, TEXAS
From 01-JUL-11 00:00:00 to 31-JUL-11 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Excessive Heat in RED RIVER, TEXAS
From 01-JUL-11 00:00:00 to 31-JUL-11 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Excessive Heat in RUSK, TEXAS
From 01-JUL-11 00:00:00 to 31-JUL-11 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Excessive Heat in SABINE, TEXAS
From 01-JUL-11 00:00:00 to 31-JUL-11 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Excessive Heat in SAN AUGUSTINE, TEXAS
From 01-JUL-11 00:00:00 to 31-JUL-11 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Excessive Heat in SHELBY, TEXAS
From 01-JUL-11 00:00:00 to 31-JUL-11 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Excessive Heat in SMITH, TEXAS
From 01-JUL-11 00:00:00 to 31-JUL-11 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Excessive Heat in TITUS, TEXAS
From 01-JUL-11 00:00:00 to 31-JUL-11 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Excessive Heat in UPSHUR, TEXAS
From 01-JUL-11 00:00:00 to 31-JUL-11 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Excessive Heat in WOOD, TEXAS
From 01-JUL-11 00:00:00 to 31-JUL-11 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Excessive Heat in ANGELINA, TEXAS
From 01-JUL-11 00:00:00 to 31-JUL-11 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Excessive Heat in BOWIE, TEXAS
From 01-JUL-11 00:00:00 to 31-JUL-11 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Excessive Heat in CAMP, TEXAS
From 01-JUL-11 00:00:00 to 31-JUL-11 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Excessive Heat in CASS, TEXAS
From 01-JUL-11 00:00:00 to 31-JUL-11 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Excessive Heat in CHEROKEE, TEXAS
From 01-JUL-11 00:00:00 to 31-JUL-11 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Excessive Heat in FRANKLIN, TEXAS
From 01-JUL-11 00:00:00 to 31-JUL-11 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee