Climatological Report (Seasonal)
Issued by NWS

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857
CXCA52 TJSJ 021733
CLSIST

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
133 PM AST TUE SEP 02 2025

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

...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2025 TO 8/31/2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1953 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             99   06/23/1996
                       08/04/1994
                       08/08/1979
 LOW              65   08/07/2001
HIGHEST           95   08/01
                       08/24
                       08/25
LOWEST            76   06/04
                       07/08
                       08/17
AVG. MAXIMUM    90.9               89.5     1.4     89.3
AVG. MINIMUM    80.4               79.4     1.0     79.6
MEAN            85.7               84.4     1.3     84.4
DAYS MAX >= 90    69               41.4    27.6       MM
DAYS MAX <= 32     0
DAYS MIN <= 32     0
DAYS MIN <= 0      0
DAYS MIN >= 80    62                                  MM

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       22.40   2010
 MINIMUM        3.04   2015
TOTALS          5.55               9.63   -4.08    11.14
DAILY AVG.      0.06               0.10   -0.04     0.20
DAYS >= .01       38               41.5    -3.5       MM
DAYS >= .10       14               18.6    -4.6       MM
DAYS >= .50        1                5.3    -4.3       MM
DAYS >= 1.00       1                2.0    -1.0       MM
GREATEST
 24 HR. TOTAL     MM                                  MM
 STORM TOTAL      MM


DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0
COOLING TOTAL   1858               1788      70     1553
 SINCE 1/1      4279

FREEZE DATES
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              11.4
HIGHEST WIND SPEED/DIRECTION    38/230    DATE  08/17
HIGHEST GUST SPEED/DIRECTION    57/240    DATE  08/17

SKY COVER
AVERAGE SKY COVER           0.33

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       8
LIGHT RAIN               29     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      15     FOG W/VIS <= 1/4 MILE      0
HAZE                      6

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

$$