Climatological Report (Monthly)
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021
CXCA52 TJSJ 010949
CLMISX

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
549 AM AST MON SEP 01 2025

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

...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1951 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             96   08/14/2023
                       08/14/2023
                       08/14/2023
 LOW              63   08/17/1978
HIGHEST           93   08/13         91       2       93
LOWEST            75   08/10         81      -6       76
AVG. MAXIMUM    89.8               89.5     0.3     90.9
AVG. MINIMUM    78.2               77.4     0.8     79.4
MEAN            84.0               83.4     0.6     85.1
DAYS MAX >= 90    18               16.3     1.7       27
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)
RECORD
 MAXIMUM       11.41   1979
 MINIMUM        0.07   2024
TOTALS            MM               3.23      MM     0.07
DAILY AVG.        MM               0.10      MM     0.04
DAYS >= .01        0               15.6   -15.6        1
DAYS >= .10        0                7.1    -7.1        0
DAYS >= .50        0                1.8    -1.8        0
DAYS >= 1.00       0                0.5    -0.5        0
GREATEST
 24 HR. TOTAL     MM
 STORM TOTAL      MM


DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0
COOLING TOTAL    576                572       4      633
 SINCE 1/1      3885

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

WIND (MPH)
AVERAGE WIND SPEED              10.0
HIGHEST WIND SPEED/DIRECTION    28/220    DATE  08/17
HIGHEST GUST SPEED/DIRECTION    40/220    DATE  08/17

SKY COVER
AVERAGE SKY COVER           0.24

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       3
LIGHT RAIN                5     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       1     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.

$$