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000
CXCA52 TJSJ 021850
CLMSJU

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
250 PM AST MON OCT 02 2023

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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1898 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             97   09/01/1981
 LOW              69   09/15/1960
                       09/06/1960
                       09/16/1929
HIGHEST           96   09/13         91       5       94
LOWEST            77   09/08         79      -2       75
AVG. MAXIMUM    91.5               89.2     2.3     89.2
AVG. MINIMUM    80.1               77.5     2.6     78.1
MEAN            85.8               83.4     2.4     83.6
DAYS MAX >= 90    25               12.5    12.5       12
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       15.79   2017
 MINIMUM        1.49   1940
TOTALS          3.05               6.50   -3.45    13.61
DAILY AVG.      0.10               0.22   -0.12     0.45
DAYS >= .01       17               18.3    -1.3       13
DAYS >= .10        8               10.8    -2.8        7
DAYS >= .50        2                3.7    -1.7        2
DAYS >= 1.00       0                1.3    -1.3        1
GREATEST
 24 HR. TOTAL     MM
 STORM TOTAL    0.96


DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0
COOLING TOTAL    634                550      84      565
 SINCE 1/1      4721

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

WIND (MPH)
AVERAGE WIND SPEED              7.0
HIGHEST WIND SPEED/DIRECTION    24/080    DATE  09/22
                                24/080          09/27
HIGHEST GUST SPEED/DIRECTION    29/070    DATE  09/27
                                29/040          09/30

SKY COVER
AVERAGE SKY COVER           0.38

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              9     MIXED PRECIP              MM
HEAVY RAIN                3     RAIN                      11
LIGHT RAIN               13     FREEZING RAIN             MM
LT FREEZING RAIN         MM     HAIL                      MM
HEAVY SNOW               MM     SNOW                      MM
LIGHT SNOW               MM     SLEET                     MM
FOG                       6     FOG W/VIS <= 1/4 MILE     MM
HAZE                      1

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

$$