Climatological Report (Monthly)
Issued by NWS San Juan, PR

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000
CXCA52 TJSJ 010508
CLMSJU

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
108 AM AST THU JUN 01 2023

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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR THE MONTH OF MAY 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             96   05/11/1980
                       05/05/1980
 LOW              66   05/05/1962
                       05/03/1903
HIGHEST           93   05/09         92       1       93
                       05/10
                       05/17
LOWEST            73   05/07         71       2       72
AVG. MAXIMUM    89.7               87.4     2.3     87.6
AVG. MINIMUM    76.5               75.7     0.8     75.5
MEAN            83.1               81.6     1.5     81.5
DAYS MAX >= 90    16                6.7     9.3        6
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          4.00               5.54   -1.54     1.08
DAILY AVG.      0.13               0.18   -0.05     0.03
DAYS >= .01       11               16.5    -5.5       19
DAYS >= .10        5                8.8    -3.8        3
DAYS >= .50        1                3.4    -2.4        0
DAYS >= 1.00       1                1.6    -0.6        0
GREATEST
 24 HR. TOTAL   2.73   05/19 TO 05/19
 STORM TOTAL    2.73


DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0
COOLING TOTAL    569                513      56      520
 SINCE 1/1      2212

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

WIND (MPH)
AVERAGE WIND SPEED              6.6
HIGHEST WIND SPEED/DIRECTION    24/060    DATE  05/08
                                24/080          05/20
                                24/260          05/26
HIGHEST GUST SPEED/DIRECTION    32/090    DATE  05/15
                                32/250          05/26

SKY COVER
AVERAGE SKY COVER           0.38

AVERAGE RH (PERCENT)     72

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

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

$$


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