Climatological Report (Monthly)
Issued by NWS Brownsville, TX

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338
CXUS54 KBRO 010931
CLMHRL

CLIMATE REPORT
NATIONAL WEATHER SERVICE BROWNSVILLE, TX
431 AM CDT WED OCT 01 2025

...................................

...THE HARLINGEN CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1912 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST          101   09/04         97       4       98  09/01
LOWEST            65   09/28         63       2       67  09/27
                                                          09/30
AVG. MAXIMUM    93.9               92.2     1.7     91.5
AVG. MINIMUM    73.1               72.5     0.6     73.6
MEAN            83.5               82.3     1.2     82.6
DAYS MAX >= 90    28               22.1     5.9       23
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
TOTALS          3.21               5.31   -2.10     8.10
DAILY AVG.      0.11               0.18   -0.07     0.27
DAYS >= .01       14               11.1     2.9       11
DAYS >= .10        8                7.1     0.9
DAYS >= .50        2                3.2    -1.2
DAYS >= 1.00       0                1.5    -1.5
GREATEST
 24 HR. TOTAL   0.63   09/19 TO 09/19
 STORM TOTAL    0.63
 (MM/DD(HH))

SNOWFALL (INCHES)
TOTALS           0.0                 MM      MM      0.0
SINCE 7/1        0.0                 MM      MM       MM

DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0                  0       0       MM
COOLING TOTAL    564                520      44      535
 SINCE 1/1      3762               3610     152       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.7
HIGHEST WIND SPEED/DIRECTION    28/160    DATE  09/22
                                28/020          09/26
HIGHEST GUST SPEED/DIRECTION    46/180    DATE  09/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.21
NUMBER OF DAYS FAIR           25
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              9     MIXED PRECIP               0
HEAVY RAIN                7     RAIN                       4
LIGHT RAIN               19     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      0
HAZE                      3

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$