187
CXCA52 TJSJ 010950
CLMSJU

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
500 AM AST SUN JUN 01 2025

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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...

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             96   05/11/1980
                       05/05/1980
 LOW              66   05/05/1962
                       05/03/1903
HIGHEST           93   05/31         92       1       95
LOWEST            73   05/15         71       2       75
AVG. MAXIMUM    86.5               87.4    -0.9     90.2
AVG. MINIMUM    75.8               75.7     0.1     78.8
MEAN            81.2               81.6    -0.4     84.5
DAYS MAX >= 90     2                6.7    -4.7       17
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       16.88   1936
 MINIMUM        0.44   1972
TOTALS          6.94               5.54    1.40    11.54
DAILY AVG.      0.22               0.18    0.04     0.37
DAYS >= .01       24               16.5     7.5       21
DAYS >= .10       17                8.8     8.2       11
DAYS >= .50        4                3.4     0.6        5
DAYS >= 1.00       1                1.6    -0.6        2
GREATEST
 24 HR. TOTAL   1.70   05/02 TO 05/03
 STORM TOTAL    1.55


DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0
COOLING TOTAL    507                513      -6      613
 SINCE 1/1      2324

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

WIND (MPH)
AVERAGE WIND SPEED              8.6
HIGHEST WIND SPEED/DIRECTION    26/080    DATE  05/13
HIGHEST GUST SPEED/DIRECTION    35/110    DATE  05/13

SKY COVER
AVERAGE SKY COVER           0.49

AVERAGE RH (PERCENT)     81

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       9
LIGHT RAIN               21     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      16     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.

$$