426
CXCA52 TJSJ 010944
CLMISX

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
544 AM AST THU OCT 01 2026

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

...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1951 TO 2026

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           93   09/12         92       1       92
LOWEST            76   09/20         81      -5       73
AVG. MAXIMUM    90.7               89.0     1.7     89.0
AVG. MINIMUM    78.4               76.6     1.8     76.8
MEAN            84.6               82.8     1.8     82.9
DAYS MAX >= 90    15               12.6     2.4       13
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     4.93
DAILY AVG.        MM               0.16      MM     0.00
DAYS >= .01        0               15.7   -15.7        1
DAYS >= .10        0                8.3    -8.3        0
DAYS >= .50        0                2.2    -2.2        0
DAYS >= 1.00       0                0.7    -0.7        0
GREATEST
 24 HR. TOTAL   0.01   09/15 TO 09/15
 STORM TOTAL    0.00


DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0
COOLING TOTAL    357                534    -177      546
 SINCE 1/1      4084

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

WIND (MPH)
AVERAGE WIND SPEED              9.5
HIGHEST WIND SPEED/DIRECTION    30/100    DATE  09/09
HIGHEST GUST SPEED/DIRECTION    39/120    DATE  09/09

SKY COVER
AVERAGE SKY COVER           0.19

AVERAGE RH (PERCENT)     76

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       3     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.

$$