375
CXCA52 TJSJ 032205
CLMSJU

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
605 PM AST FRI JAN 03 2025

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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1898 TO 2025

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           90   12/02         87       3       89
LOWEST            71   12/30         68       3       72
                       12/31
AVG. MAXIMUM    86.4               84.2     2.2     84.6
AVG. MINIMUM    76.1               73.3     2.8     74.8
MEAN            81.2               78.8     2.4     79.7
DAYS MAX >= 90     1                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          4.85               4.85    0.00     7.72
DAILY AVG.      0.16               0.16    0.00     0.25
DAYS >= .01       23               20.2     2.8       29
DAYS >= .10       11               10.6     0.4        9
DAYS >= .50        2                2.6    M0.6        6
DAYS >= 1.00       1                0.9     0.1        2
GREATEST
 24 HR. TOTAL   1.63   12/18 TO 12/18
 STORM TOTAL    1.47


DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0
COOLING TOTAL    511                426      85      464
 SINCE 1/1      6778

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

WIND (MPH)
AVERAGE WIND SPEED              6.7
HIGHEST WIND SPEED/DIRECTION    26/080    DATE  12/10
HIGHEST GUST SPEED/DIRECTION    35/060    DATE  12/24

SKY COVER
AVERAGE SKY COVER           0.46

AVERAGE RH (PERCENT)     76

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       3
LIGHT RAIN               21     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      0
HAZE                      4

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

$$