Summer2011Records

PUBLIC INFORMATION STATEMENT...UPDATED 90-DEGREE DAYS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
500 AM CDT SAT OCT 15 2011

...SUMMER 2011 WAS HOUSTON`S ALL-TIME HOTTEST SUMMER...

HERE IS A COMPILATION OF ALL THE RECORDS BROKEN IN HOUSTON DURING
SUMMER 2011 WHICH WAS HOUSTON`S ALL-TIME HOTTEST SUMMER.  EACH MONTH
FROM APRIL THROUGH AUGUST ENDED UP BEING ONE OF THE TOP 10 WARMEST
MONTHS ON RECORD. IT WAS ALSO THE DRIEST SUMMER OF ALL TIME...
BESTING THE PREVIOUS MARK BY SEVERAL INCHES.  AUGUST 27TH (HIGH 109
AND LOW 81) WAS THE ALL-TIME HOTTEST DAY IN CITY HISTORY.  THE MOST
NUMBER OF DAYS THRESHOLDS WERE BROKEN IN EVERY CATEGORY...105
DEGREES (5 TIMES)...100 DEGREES (46 TIMES)...98 DEGREES (69 TIMES)
...95 DEGREES (108 TIMES)...AND 90 DEGREES (142 TIMES AND
COUNTING).  THERE WERE A TOTAL OF 27 DAILY RECORD HIGHS TIED OR
BROKEN...AND 33 DAILY RECORD HIGH MINIMUMS.

THE PERIOD OF RECORD FOR ALL THE INFORMATION BELOW IS SINCE 1889.

HIGHEST OVERALL AVERAGE TEMPERATURE - JUNE THROUGH AUGUST...
1. 87.9 DEGREES - 2011
2. 86.4 DEGREES - 2009 & 1980
3. 85.6 DEGREES - 1998
4. 85.5 DEGREES - 2010
5. 85.3 DEGREES - 1962

HIGHEST AVERAGE DAILY MAXIMUM TEMPERATURE - JUNE THROUGH AUGUST...
1. 98.8 DEGREES - 2011
2. 97.6 DEGREES - 1980
3. 96.6 DEGREES - 2009
4. 96.5 DEGREES - 1998
5. 96.1 DEGREES - 1902
(NORMAL - 93.2 DEGREES)

HIGHEST AVERAGE DAILY MAXIMUM TEMPERATURE - JUNE THROUGH SEPTEMBER...
1. 98.0 DEGREES - 2011
2. 96.5 DEGREES - 1980
3. 95.1 DEGREES - 1998
4. 94.7 DEGREES - 1902
5. 94.4 DEGREES - 2000
(NORMAL - 92.3 DEGREES)

LOWEST RAINFALL - MAY THROUGH SEPTEMBER...
1. 5.60 INCHES - 2011
2. 9.42 INCHES - 1917
3. 10.26 INCHES - 1931
4. 10.28 INCHES - 2009
5. 10.66 INCHES - 1952
(NORMAL - 22.69 INCHES)

SIX CONSECUTIVE MONTHS EACH RANKING AMONG THE TOP 10 WARMEST FOR
THOSE MONTHS:
(SIX IN A ROW IS POSSIBLY A ONE IN MILLIONS CHANCE OF OCCURRING!)
APRIL - #3 WARMEST
MAY - #8 WARMEST
JUNE - #1 WARMEST
JULY - #3 WARMEST
AUGUST - #1 WARMEST (FOR ANY MONTH EVER)
SEPTEMBER - #3 WARMEST

THREE MONTHS RANKING AMONG THE TOP 10 DRIEST FOR THOSE MONTHS...
APRIL - #1 DRIEST
MAY - #6 DRIEST
AUGUST - #2 DRIEST

HOUSTON`S ALL-TIME HOTTEST MONTHS...
(OUT OF ABOUT 1,460 POSSIBLE MONTHS ON RECORD)
 1. 90.4 DEGREES - AUGUST 2011
 2. 87.7 DEGREES - AUGUST 2010
 3. 87.5 DEGREES - JULY 1980 AND AUGUST 1962
 4. 87.4 DEGREES - JULY 2009
 5. 87.1 DEGREES - JULY 2011 AND AUGUST 1951
 6. 86.8 DEGREES - AUGUST 1999 AND AUGUST 1902
 7. 86.6 DEGREES - JULY 1998...AUGUST 1980...JULY 1957
 8. 86.5 DEGREES - AUGUST 1993 AND JULY 1892
 9. 86.2 DEGREES - JUNE 2011...AUGUST 2009...AUGUST 1987
10. 86.1 DEGREES - JULY 1962

HOUSTON`S ALL-TIME HIGHEST TEMPERATURE...
109 DEGREES ON AUGUST 27TH (TIES THE ALL-TIME RECORD SET ON
SEPTEMBER 4, 2000)

HIGHEST TEMPERATURE EVER RECORDED IN THE MONTH OF AUGUST...
109 DEGREES ON AUGUST 27TH (PREVIOUS RECORD - 108 DEGREES ON AUGUST
18, 1909)

HIGHEST TEMPERATURE EVER RECORDED IN THE MONTH OF JUNE...
105 DEGREES ON JUNE 5TH & 6TH (PREVIOUS RECORD - 104 DEGREES ON JUNE
26, 2009 AND JUNE 24, 2009)

EARLIEST 100-DEGREE TEMPERATURE ON RECORD...
100 DEGREES ON JUNE 2ND (PREVIOUS RECORD - JUNE 10, 1902)

EARLIEST 98-DEGREE TEMPERATURE ON RECORD...
98 DEGREES ON MAY 26TH (PREVIOUS RECORD - MAY 27, 1928)

HIGHEST AVERAGE DAILY MAXIMUM TEMPERATURE - JUNE...
1. 97.4 DEGREES - 2011
2. 96.7 DEGREES - 2009
3. 96.3 DEGREES - 1980
4. 96.2 DEGREES - 1902
5. 95.7 DEGREES - 1906
(NORMAL - 91.4 DEGREES)

HIGHEST AVERAGE DAILY MAXIMUM TEMPERATURE - AUGUST...
1. 102.0 DEGREES - 2011 (30 OUT OF 31 DAYS AT 100-DEGREES OR
HIGHER!!!!!)
2. 98.5 DEGREES - 1999
3. 98.3 DEGREES - 1902
4. 97.8 DEGREES - 1993
5. 97.6 DEGREES - 2010 & 1909
(NORMAL - 94.5 DEGREES)

HIGHEST AVERAGE DAILY MAXIMUM TEMPERATURE - SEPTEMBER...
1. 95.5 DEGREES - 2011
2. 93.4 DEGREES - 1906
3. 93.2 DEGREES - 2005
4. 93.0 DEGREES - 1995
5. 92.9 DEGREES - 1980
(NORMAL - 89.7 DEGREES)

MOST DAYS OF 105-DEGREE OR HIGHER TEMPERATURES IN A YEAR...
1. 5 DAYS - 2011 & 2000
2. 4 DAYS - 1909
3. 3 DAYS - 1980
2. 2 DAYS - 1962
1. 1 DAY - 1999 & 1954
(NORMAL - 0 DAYS)

MOST DAYS OF 100-DEGREE OR HIGHER TEMPERATURES IN A YEAR...
1. 46 DAYS - 2011
2. 32 DAYS - 1980
3. 24 DAYS - 1998
4. 20 DAYS - 2000
5. 19 DAYS - 1902
(NORMAL - 4 DAYS)

MOST DAYS OF 98-DEGREE OR HIGHER TEMPERATURES IN A YEAR...
1. 69 DAYS - 2011
2. 57 DAYS - 1980
3. 48 DAYS - 1998
4. 44 DAYS - 1902
5. 42 DAYS - 2009
(NORMAL - 14 DAYS)

MOST DAYS OF 95-DEGREE OR HIGHER TEMPERATURES IN A YEAR...
1. 108 DAYS - 2011
2.  92 DAYS - 1980
3.  84 DAYS - 1998
4.  79 DAYS - 1906
5.  71 DAYS - 2009 & 1902
(NORMAL - 43 DAYS)

MOST DAYS OF 90-DEGREE OR HIGHER TEMPERATURES IN A YEAR...
1. 142 DAYS* - 2011 (*THROUGH OCTOBER 14TH)
2. 127 DAYS - 2005
3. 126 DAYS - 1998
4. 125 DAYS - 1982
5. 123 DAYS - 2010
(NORMAL - 107 DAYS)

MOST DAYS WITH LOW TEMPERATURES 80-DEGREES OR HIGHER IN A YEAR...
1. 26 DAYS - 1962
2. 25 DAYS - 1964
3. 24 DAYS - 2011
4. 21 DAYS - 1963
5. 19 DAYS - 2009
(NORMAL - 3 DAYS)

MOST CONSECUTIVE DAYS OF 100-DEGREE OR HIGHER TEMPERATURES...
1. 24 DAYS - 2011 (AUGUST 1ST-24TH)
2. 14 DAYS - 1980 (JULY 6TH-19TH)
3. 11 DAYS - 1998 (JULY 26TH-AUGUST 5TH)
4. 9 DAYS - 1980 (JUNE 25TH-JULY 3RD)
5. 8 DAYS - 2011 (AUGUST 26TH-SEPTEMBER 2ND)

MOST CONSECUTIVE DAYS OF 98-DEGREE OR HIGHER TEMPERATURES...
1. 28 DAYS - 1980 (JUNE 22ND - JULY 19TH)
2. 25 DAYS - 2011 (JULY 31ST - AUGUST 24TH)
3. 14 DAYS - 1998 (JULY 23RD - AUGUST 5TH)
4. 13 DAYS - 2000 (JULY 11TH - JULY 23RD)
5. 13 DAYS - 1993 (AUGUST 9TH - AUGUST 21ST)

MOST CONSECUTIVE DAYS OF 95-DEGREE OR HIGHER TEMPERATURES...
1. 41 DAYS - 1993 (JULY 17TH - AUGUST 26TH)
2. 37 DAYS - 1980 (JUNE 13TH - JULY 19TH)
3. 36 DAYS - 2011 (JULY 30TH - SEPTEMBER 3RD)
4. 34 DAYS - 1890 (JUNE 13TH - JULY 16TH)
5. 33 DAYS - 1998 (JULY 4TH - AUGUST 5TH)

DAILY RECORD HIGH TEMPERATURES (TIED OR BROKEN) - 27 TOTAL...

APRIL 11TH - 89 DEGREES (TIED RECORD SET IN 1934)

APRIL 19TH - 92 DEGREES (TIED RECORD SET IN 1987)

APRIL 22ND - 90 DEGREES (TIED RECORD SET IN 2009)

APRIL 27TH - 93 DEGREES (TIED RECORD SET IN 1933)

MAY 9TH - 94 DEGREES (TIED RECORD SET IN 1998)

MAY 25TH - 95 DEGREES (TIED RECORD SET IN 1927)

MAY 26TH - 98 DEGREES (PREVIOUS RECORD - 95 DEGREES IN 1958)
* ALL-TIME EARLIEST 98-DEGREE DAY (PREVIOUS RECORD - MAY 27 1928)

JUNE 1ST - 98 DEGREES (TIED RECORD SET IN 1998)

JUNE 2ND - 100 DEGREES
    (PREVIOUS RECORD - 97 DEGREES IN 2008...2003...1998)
* ALL-TIME EARLIEST 100-DEGREE DAY (PREVIOUS RECORD - JUNE 10 1902)

JUNE 4TH - 98 DEGREES
    (PREVIOUS RECORD - 96 DEGREES IN 1990...1977...1960...1909)

JUNE 5TH - 105 DEGREES (PREVIOUS RECORD - 98 DEGREES IN 1977)
* RECORD HIGH TEMPERATURE FOR THE MONTH OF JUNE
(PREVIOUS RECORD - 104 DEGREES JUNE 24 AND 26 2009)

JUNE 6TH - 105 DEGREES (PREVIOUS RECORD - 98 DEGREES IN 1980 AND 1977)
* RECORD HIGH TEMPERATURE FOR THE MONTH OF JUNE
(PREVIOUS RECORD - 104 DEGREES JUNE 24 AND 26 2009)

JUNE 15TH - 100 DEGREES
    (PREVIOUS RECORD - 99 DEGREES IN 2008 AND 1902)

JUNE 17TH - 100 DEGREES (TIED RECORD SET IN 1902)

AUGUST 6TH - 101 DEGREES (TIED RECORD SET IN 1947)

AUGUST 11TH - 102 DEGREES
    (PREVIOUS RECORD - 101 DEGREES IN 1962 AND 1907)

AUGUST 16TH - 102 DEGREES (TIED RECORD SET IN 1925)

AUGUST 26TH - 104 DEGREES (PREVIOUS RECORD - 102 DEGREES IN 1990)

AUGUST 27TH - 109 DEGREES (PREVIOUS RECORD - 104 DEGREES IN 1990)
* RECORD HIGH TEMPERATURE FOR THE MONTH OF AUGUST
(PREVIOUS RECORD 108 DEGREES - AUGUST 18 1909)
* TIED ALL-TIME RECORD HIGHEST TEMPERATURE (SET ON SEPTEMBER 4 2000)

AUGUST 28TH - 107 DEGREES (PREVIOUS RECORD - 101 DEGREES IN 1902)

AUGUST 29TH - 107 DEGREES (PREVIOUS RECORD - 103 DEGREES IN 1909)

SEPTEMBER 11TH - 99 DEGREES (TIED RECORD SET IN 1893)

SEPTEMBER 12TH - 101 DEGREES (TIED RECORD SET IN 1909)

SEPTEMBER 13TH - 102 DEGREES (PREVIOUS RECORD - 98 DEGREES IN 1912)
* HIGHEST TEMPERATURE EVER RECORDED SO LATE IN THE SEASON
    (PREVIOUS RECORD - SEPTEMBER 5 2000)

SEPTEMBER 14TH - 100 DEGREES (PREVIOUS RECORD - 97 DEGREES IN 1918)

SEPTEMBER 24TH - 95 DEGREES (TIED RECORD SET IN 2000...1993...1980)

SEPTEMBER 29TH - 96 DEGREES (PREVIOUS RECORD - 95 DEGREES IN 1998)


DAILY RECORD WARM OVERNIGHT MINIMUM TEMPERATURES (TIED OR BROKEN) - 33 TOTAL

APRIL 8TH - 73 DEGREES (TIED RECORD SET IN 1999)

APRIL 18TH - 73 DEGREES
     (PREVIOUS RECORD - 72 DEGREES IN 1970...1963...1957)

APRIL 19TH - 73 DEGREES (TIED RECORD SET IN 1996...1982...1972)

APRIL 20TH - 76 DEGREES (PREVIOUS RECORD - 74 DEGREES IN 1964 AND 1963)

APRIL 21ST - 76 DEGREES (PREVIOUS RECORD - 74 DEGREES IN 1963)

APRIL 22ND - 74 DEGREES (TIED RECORD SET IN 1967 AND 1964)

APRIL 24TH - 74 DEGREES (TIED RECORD SET IN 1964)

APRIL 25TH - 76 DEGREES (PREVIOUS RECORD - 75 DEGREES IN 1967)

APRIL 26TH - 77 DEGREES* (PREVIOUS RECORD - 75 DEGREES IN 1994 AND 1991)
* TIED RECORD HIGH OVERNIGHT MINIMUM TEMPERATURE FOR THE MONTH OF
APRIL (SET ON APRIL 27 1991)

MAY 10TH - 76 DEGREES (TIED RECORD SET IN 2003 & 1996)

MAY 11TH - 76 DEGREES (TIED RECORD SET IN 2010...2002...1967...1964)

MAY 20TH - 79 DEGREES (PREVIOUS RECORD - 78 DEGREES IN 1990)

MAY 24TH - 78 DEGREES (TIED RECORD SET IN 1962)

MAY 25TH - 79 DEGREES (PREVIOUS RECORD - 78 DEGREES IN 1980 AND 1962)

MAY 29TH - 77 DEGREES (TIED RECORD SET IN 1953)

JUNE 17TH - 82 DEGREES* (PREVIOUS RECORD - 80 DEGREES IN 1975)
* TIED RECORD HIGH OVERNIGHT MINIMUM TEMPERATURE FOR THE MONTH OF
JUNE (SET ON JUNE 27 2009...JUNE 8 1974...AND JUNE 25, 1906)

JUNE 18TH - 82 DEGREES*
    (PREVIOUS RECORD - 80 DEGREES IN 1998...1975...1962)
* TIED RECORD HIGH OVERNIGHT MINIMUM TEMPERATURE FOR THE MONTH OF
JUNE

JUNE 19TH - 82 DEGREES*
  (PREVIOUS RECORD - 79 DEGREES IN 1998...1980...1964...1958...1918)
* TIED RECORD HIGH OVERNIGHT MINIMUM TEMPERATURE FOR THE MONTH OF
JUNE

JUNE 20TH - 81 DEGREES
    (PREVIOUS RECORD - 79 DEGREES IN 1998...1958...1906)

JUNE 21ST - 82 DEGREES* (PREVIOUS RECORD - 79 DEGREES IN 1959 AND 1936)
* TIED RECORD HIGH OVERNIGHT MINIMUM TEMPERATURE FOR THE MONTH OF
JUNE

JULY 9TH - 80 DEGREES (TIED RECORD SET IN 2009 AND 1964)

JULY 14TH - 81 DEGREES (TIED RECORD SET IN 1994)

JULY 15TH - 82 DEGREES
    (PREVIOUS RECORD - 80 DEGREES IN 1994...1980...1958...1957)

JULY 16TH - 81 DEGREES (PREVIOUS RECORD - 80 DEGREES IN 1988)

JULY 25TH - 81 DEGREES (PREVIOUS RECORD - 80 DEGREES IN 1962...1961)

JULY 26TH - 81 DEGREES (PREVIOUS RECORD - 80 DEGREES IN 1995...1962)

AUGUST 3RD - 81 DEGREES (TIED RECORD SET IN 1980)

AUGUST 6TH - 81 DEGREES
   (PREVIOUS RECORD - 80 DEGREES IN 2009...1963...1962...1958...1951)

AUGUST 7TH - 81 DEGREES (TIED RECORD SET IN 2010)

AUGUST 8TH - 80 DEGREES
    (PREVIOUS RECORD - 79 DEGREES IN 1968...1967...1962...1958)

AUGUST 10TH - 81 DEGREES (TIED RECORD SET IN 1980)

AUGUST 20TH - 81 DEGREES (PREVIOUS RECORD - 80 DEGREES IN 1964)

AUGUST 27TH - 81 DEGREES
    (PREVIOUS RECORD - 79 DEGREES IN 2006...1965...1951)

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