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

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000
CXCA52 TJSJ 010521
CLMSJU

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
121 AM AST TUE AUG 01 2023

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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR THE MONTH OF JULY 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             95   07/10/1981
 LOW              69   07/01/1959
                       07/12/1952
                       07/11/1952
HIGHEST           94   07/22         92       2       90
LOWEST            75   07/25         73       2       72
AVG. MAXIMUM    89.7               88.7     1.0     87.6
AVG. MINIMUM    79.5               77.6     1.9     77.1
MEAN            84.6               83.1     1.5     82.3
DAYS MAX >= 90    15               10.1     4.9        3
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       14.17   2013
 MINIMUM        1.10   1929
TOTALS          4.01               6.02   -2.01     8.13
DAILY AVG.      0.13               0.19   -0.06     0.26
DAYS >= .01       15               19.0    -4.0       27
DAYS >= .10        7               10.7    -3.7       16
DAYS >= .50        3                3.6    -0.6        3
DAYS >= 1.00       1                1.4    -0.4        1
GREATEST
 24 HR. TOTAL   1.65   07/08 TO 07/09
 STORM TOTAL    1.58


DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0
COOLING TOTAL    615                563      52      545
 SINCE 1/1      3452

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

WIND (MPH)
AVERAGE WIND SPEED              11.0
HIGHEST WIND SPEED/DIRECTION    31/100    DATE  07/12
                                31/080          07/25
HIGHEST GUST SPEED/DIRECTION    41/090    DATE  07/12
                                41/080          07/25

SKY COVER
AVERAGE SKY COVER           0.46

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       4
LIGHT RAIN               20     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      0
HAZE                      7

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

$$


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