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000
CXCA52 TJSJ 011020
CLMSJU

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
620 AM AST MON JAN 01 2024

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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 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             94   12/06/1989
 LOW              62   12/29/1917
HIGHEST           89   12/04         87       2       87
LOWEST            72   12/29         68       4       71
AVG. MAXIMUM    84.6               84.2     0.4     84.7
AVG. MINIMUM    74.8               73.3     1.5     74.1
MEAN            79.7               78.8     0.9     79.4
DAYS MAX >= 90     0                0.5    -0.5        0
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       16.81   1981
 MINIMUM        0.68   1963
TOTALS          7.71               4.85    2.86     3.72
DAILY AVG.      0.25               0.16    0.09     0.12
DAYS >= .01       29               20.2     8.8       23
DAYS >= .10        9               10.6    -1.6        8
DAYS >= .50        6                2.6     3.4        1
DAYS >= 1.00       2                0.9     1.1        0
GREATEST
 24 HR. TOTAL   2.26   12/10 TO 12/10
 STORM TOTAL    2.26


DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0
COOLING TOTAL    464                426      38      453
 SINCE 1/1      6363

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

WIND (MPH)
AVERAGE WIND SPEED              8.2
HIGHEST WIND SPEED/DIRECTION    31/070    DATE  12/13
HIGHEST GUST SPEED/DIRECTION    41/070    DATE  12/13

SKY COVER
AVERAGE SKY COVER           0.47

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               1
HEAVY RAIN                7     RAIN                      30
LIGHT RAIN               19     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      0
HAZE                      2

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

$$