Climatological Report (Monthly)
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352
CXCA52 TJSJ 011234
CLMISX

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
834 AM AST WED OCT 01 2025

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

...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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             97   09/09/2023
                       09/09/2023
 LOW              63   09/05/1979
HIGHEST           92   09/05         92       0       93
                       09/16
LOWEST            73   09/18         81      -8       73
AVG. MAXIMUM    89.0               89.0     0.0     90.8
AVG. MINIMUM    76.8               76.6     0.2     78.8
MEAN            82.9               82.8     0.1     84.8
DAYS MAX >= 90    13               12.6     0.4       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       19.15   1996
 MINIMUM        0.76   2023
TOTALS            MM               4.89      MM     3.71
DAILY AVG.        MM               0.16      MM     0.13
DAYS >= .01       MM               15.7      MM       MM
DAYS >= .10       MM                8.3      MM       MM
DAYS >= .50       MM                2.2      MM       MM
DAYS >= 1.00      MM                0.7      MM       MM
GREATEST
 24 HR. TOTAL     MM
 STORM TOTAL      MM


DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0
COOLING TOTAL    546                534      12      604
 SINCE 1/1      4431

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

WIND (MPH)
AVERAGE WIND SPEED              7.9
HIGHEST WIND SPEED/DIRECTION    23/090    DATE  09/15
                                23/130          09/24
HIGHEST GUST SPEED/DIRECTION    34/220    DATE  09/24

SKY COVER
AVERAGE SKY COVER           0.30

AVERAGE RH (PERCENT)     80

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             15     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                6     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                      0

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

$$