100 Degree Day Information for South Central Texas

MOST 100 DEGREE DAYS IN A YEAR...


AUSTIN MABRY HAD 90 100 DEGREE DAYS, AUSTIN BERGSTROM 74 100 DEGREE DAYS,
DEL RIO 85 100 DEGREE DAYS, AND SAN ANTONIO 57 100 DEGREE DAYS IN 2011.
AUSTIN MABRY MOST 100 DEGREE DAYS IN A YEAR 1898 TO 2011

  1.  90 IN 2011  
  2.  69 IN 1925
  3.  68 IN 2009
  4.  66 IN 1923
  5.  50 IN 2008
  6.  42 IN 2000
  7.  40 IN 1963 AND 2001
  8.  38 IN 1998
  9.  34 IN 1924, 1956 AND 2006
 10.  33 IN 1951
 
AUSTIN BERGSTROM MOST 100 DEGREE DAYS IN A YEAR 1943 TO 2011

  1.  74 IN 2011 
  2.  55 IN 2009
  3.  50 IN 1998
  4.  43 IN 1951
  5.  42 IN 2000
  6.  39 IN 1954
  7.  38 IN 1956
  8.  36 IN 1953
  9.  31 IN 2006
 10.  30 IN 1980 AND 1982
 
DEL RIO MOST 100 DEGREE DAYS IN A YEAR 1906 TO 2011

  1.  85 IN 2011 
  2.  78 IN 1953
  3.  72 IN 2001
  4.  69 IN 1951 AND 1969
  5.  65 IN 2009
  6.  64 IN 2000
  7.  56 IN 1980
  8.  55 IN 1911
  9.  52 IN 1956
 10.  51 IN 1996
 
 SAN ANTONIO MOST 100 DEGREE DAYS IN A YEAR 1885 TO 2011

  1.  59 IN 2009 
  2.  57 IN 2011 
  3.  36 IN 1998
  4.  33 IN 1948
  5.  32 IN 1951
  6.  31 IN 1980
  7.  29 IN 1994 AND 2006
  8.  28 IN 1989
  9.  26 IN 1962
 10.  25 IN 1996
 

MOST CONSECUTIVE 100 DEGREE DAYS...


AUSTIN MABRY MOST CONSECUTIVE 100 DEGREE DAYS 1898 TO 2011

  1.   27 - JULY 17 TO AUGUST 12, 2011
  2.   21 - JULY 12 TO AUGUST 1, 2001
  3.   19 – JULY 12 TO JULY 30, 1925
  4.   18 – AUGUST 6 TO AUGUST 23, 1925
  5.   16 – AUGUST 3 TO AUGUST 18, 2009*
  6.   14 – JULY 2 TO JULY 15, 2011*
  7.   13 – AUGUST 10 TO AUGUST 22, 1923
  8.   12 – AUGUST 13 TO AUGUST 24, 2010*
  9.   11 – AUGUST 14 TO AUGUST 24, 2011*
 10.   10 – AUGUST 26 TO SEPTEMBER 4, 2011*

* - ALSO OCCURRED ON PREVIOUS DATES 

AUSTIN BERGSTROM MOST CONSECUTIVE 100 DEGREE DAYS 1943 TO 2011

  1.   23 - JULY 27 TO AUGUST 18...1951
  2.   14 - JULY 30 TO AUGUST 12...2011*
  3.   13 - AUGUST 3 TO AUGUST 15...1962
  4.   12 - JULY 12 TO JULY 23...2000*
  5.   11 - AUGUST 14 TO AUGUST 24...2011*
  6.   10 - AUGUST 26 TO SEPTEMBER 4...2011*
  7.    9 - JULY 20 TO JULY 28..2011*
  8.    8 - AUGUST 20 TO AUGUST 27...2009*
  9.    7 - AUGUST 26 TO SEPTEMBER 1...2011*
 10.    6 - JULY 10 TO JULY 15...2011*

* - ALSO OCCURRED ON PREVIOUS DATES

DEL RIO MOST CONSECUTIVE 100 DEGREE DAYS 1906 TO 2011

  1.   50 – JUNE 17 TO AUGUST 5, 1980
  2.   32 – JULY 4 TO AUGUST 4, 1998
  3.   28 – JULY 19 TO AUGUST 15, 1962
  4.   26 – JULY 31 TO AUGUST 25, 1911
  5.   25 – AUGUST 3 TO AUGUST 27, 2009*
  6.   22 – JULY 1 TO JULY 22, 1978
  7.   21 – JULY 29 TO AUGUST 18, 1953
  8.   20 – JULY 10 TO JULY 29, 2000
  9.   18 – JUNE 11 TO JUNE 28, 1953
 10.   17 – AUGUST 3 TO AUGUST 19, 1956

* - ALSO OCCURRED ON PREVIOUS DATES 

SAN ANTONIO MOST CONSECUTIVE 100 DEGREE DAYS 1885 TO 2011

  1.   21 - JULY 24 TO AUGUST 13, 1962
  2.   12 – AUGUST 1 TO AUGUST 12, 2011*
  3.   11 – JUNE 23 TO JULY 3, 1980
  4.   10 – AUGUST 15 TO AUGUST 24, 2011*
  5.    9 – JULY 11 TO JULY 19, 1998*
  6.    8 – JULY 22 TO JULY 29, 2011*
  7.    7 – AUGUST 31 TO SEPTEMBER 6, 2000*
  8.    6 - JUNE 14 TO JUNE 17, 2011*
  9.    5 - AUGUST 27 TO AUGUST 31, 2011*
 10.    4 - AUGUST 14 TO AUGUST 17, 2009*

* - ALSO OCCURRED ON PREVIOUS DATES 

 

SUMMARY OF 100 DEGREE DAY INFORMATION...


THE AVERAGE DATE OF THE FIRST AND LAST 100 DEGREE DAYS, THE NUMBER OF 100 DEGREE
DAYS IN A YEAR, AND THE EXTREMES ARE LISTED BELOW FOR AUSTIN, DEL RIO AND SAN ANTONIO.
THIS IS BASED ON DAILY DATA FOR AUSTIN MABRY BEGINNING IN 1898; FOR AUSTIN BERGSTROM
BEGINNING IN 1943; FOR DEL RIO BEGINNING IN 1906; AND FOR SAN ANTONIO BEGINNING
IN 1885. 
 
LOCATION       AVERAGE 100    RECORD   AVG. FIRST  AVG. LAST   EARLIEST/LATEST
              100 DEG. DAYS      
 
AUSTIN MABRY      12        90 IN 2011   Jul. 11     Aug. 20    May  4  / Oct. 2
                            68 IN 2009
 
AUSTIN BERGSTROM  13        74 IN 2011   Jul. 11     Aug. 25    Feb. 21 / Sep. 28
                            50 IN 1998
 
DEL RIO           20        85 IN 2011   May  27     Aug. 25    Mar. 16 / Oct. 4
                            78 IN 1953

SAN ANTONIO        8        59 IN 2009   Jun. 30     Aug. 19    Feb. 21 / Sep. 28
                            57 IN 2011

LATEST 100 DEGREE DAYS IN A YEAR...

AUSTIN MABRY 1898 TO 2011
 1. 100 ON OCTOBER 2, 1938 (ONLY 100 DEGREE DAY AT AUSTIN IN 1938)
    100 ON OCTOBER 2, 1923
 2. 101 ON SEPTEMBER 29, 2011
 3. 106 ON SEPTEMBER 28, 2005

AUSTIN BERGSTROM 1943 TO 2011
 1. 105 ON SEPTEMBER 28, 2005
    100 ON SEPTEMBER 28, 2011
 2. 105 ON SEPTEMBER 27, 1953
 3. 107 ON SEPTEMBER 26, 2005

DEL RIO 1906 TO 2011
 1. 101 ON OCTOBER 4, 1956
 2. 106 ON OCTOBER 3, 1979
 3. 102 ON OCTOBER 2, 1951

SAN ANTONIO 1885 TO 2011
 1. 104 ON SEPTEMBER 28, 2005
 2. 102 ON SEPTEMBER 27, 2005
 3. 103 ON SEPTEMBER 26, 2005

ALL TIME AUGUST HIGHS THROUGH YEAR 2011...

AUSTIN MABRY - 112 AUGUST 28, 2011, ALSO TIED ALL TIME HIGH OF 112 ON SEPTEMBER 5, 2000
AUSTIN BERGSTROM - 110 AUGUST 28, 2011
DEL RIO - 109 AUGUST 17, 1969
SAN ANTONIO - 110 AUGUST 28, 2011 

ALL TIME RECORD HIGHS...

AUSTIN MABRY - 112 AUGUST 28, 2011 AND SEPTEMBER 5, 2000
AUSTIN BERGSTROM - 112 SEPTEMBER 5, 2000
DEL RIO - 112 JUNE 9, 1988
SAN ANTONIO - 111 SEPTEMBER 5, 2000

ALL-TIME WARMEST MONTH...

AUSTIN MABRY - 91.6 AUGUST 2011
AUSTIN BERGSTROM - 89.0 AUGUST 1951 AND AUGUST 1985
DEL RIO - 91.7 JULY 1998 
SAN ANTONIO - 90.0 AUGUST 2011


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