...PRECIPITATION AVERAGES AND EXTREMES - BROWNSVILLE, TX  1871-1996...



AVERAGE ANNUAL RAINFALL 1871 - 1996 ... 26.95 IN.

WETTEST YEAR ... 1886 - 60.06 IN.    DRIEST YEAR ... 1953 - 11.59 IN.

DRIEST DAY OF THE YEAR ... MARCH 30TH WITH 0.41 IN. OF RAIN IN 117 YRS.

WETTEST DAY OF THE YEAR ... SEPT. 14TH WITH 36.95 IN. OF RAIN IN 118 YRS.

DAY WITH MOST 24 HOUR TOTAL RAIN AMOUNTS OF 1 INCH OR MORE ... SEPT. 14TH 
WITH 11 OCCURRENCES IN 118 YEARS.


DAYS LEAST LIKELY TO RECEIVE RAIN ...

MARCH 30TH ... 8 OCCURRENCES WITH MEASURABLE RAIN IN 117 YEARS.
JULY 22ND ... 9 OCCURRENCES WITH MEASURABLE RAIN IN 115 YEARS. 


DAYS MOST LIKELY TO RECEIVE RAIN ...

SEPTEMBER 13TH ... 54 OCCURRENCES WITH MEASURABLE RAIN IN 117 YEARS.
SEPTEMBER 20TH ... 49 OCCURRENCES WITH MEASURABLE RAIN IN 117 YEARS.


MOST CONSECUTIVE YEARS WITH ANNUAL RAINFALL OF 30.00 INCHES OR 
MORE...12 - 1878-1889.

TOTAL YEARS WITH ANNUAL RAINFALL OF 30.00 INCHES OR MORE ... 38.


MOST CONSECUTIVE YEARS WITH ANNUAL RAINFALL LESS THAN 20.00 INCHES ...
10 - 1893-1902.

TOTAL YEARS WITH ANNUAL RAINFALL LESS THAN 20.00 INCHES ... 20.


MOST DAYS IN MONTH WITH MEASURABLE RAIN ...

21 DAYS - SEPTEMBER 1925.
20 DAYS - JANUARY 1882 AND SEPTEMBER 1886.
19 DAYS - SEPTEMBER 1958.

MOST CONSECUTIVE DAYS WITHOUT MEASURABLE RAIN ...

70 - NOVEMBER 22ND, 1901 - JANUARY 30TH, 1902.
66 - OCTOBER 17TH - DECEMBER 21ST, 1903/ MARCH 9TH - MAY 13TH 1920.
65 - JULY 9TH - SEPTEMBER 11TH, 1902/ FEBRUARY 14TH - APRIL 19TH, 1986.
55 - MARCH 20TH - MAY 13TH, 1984.

MOST CONSECUTIVE HOURS WITH MEASURABLE RAIN ...

44 HOURS - STARTING 3 AM SEPTEMBER 17TH - ENDING 1000 PM SEPTEMBER 
18TH, 1984.


   ...RAINFALL EXTREMES...

GREATEST DAILY RAINFALL TOTALS                                 

12.09 IN. - SEPT. 20TH, 1967                 
11.91 IN. - SEPT. 22ND, 1886                 
10.32 IN. - SEPT. 21ST, 1886                  
9.17 IN. - APRIL  5TH, 1991                  
9.09 IN. - OCTOBER 4TH, 1996              
 


GREATEST MONTHLY RAINFALL TOTALS

30.57 IN. - SEPTEMBER 1886
20.18 IN. - SEPTEMBER 1984
19.26 IN. - SEPTEMBER 1967
19.21 IN. - SEPTEMBER 1925
17.12 IN. - OCTOBER 1958