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

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000
CXCA52 TJSJ 010428
CLMSJU

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
1228 AM AST FRI SEP 01 2023

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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR THE MONTH OF AUGUST 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             97   08/21/1980
 LOW              68   08/12/1904
HIGHEST           96   08/24         92       4       92
LOWEST            76   08/18         73       3       73
AVG. MAXIMUM    90.7               89.1     1.6     89.4
AVG. MINIMUM    79.7               77.8     1.9     78.7
MEAN            85.2               83.5     1.7     84.1
DAYS MAX >= 90    23               12.8    10.2       16
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       18.56   2011
 MINIMUM        1.53   1919
TOTALS          4.37               6.29   -1.92     9.73
DAILY AVG.      0.14               0.20   -0.06     0.31
DAYS >= .01       15               19.8    -4.8       MM
DAYS >= .10       10               11.0    -1.0       MM
DAYS >= .50        3                3.7    -0.7       MM
DAYS >= 1.00       1                1.5    -0.5       MM
GREATEST
 24 HR. TOTAL   1.12   08/07 TO 08/08
 STORM TOTAL    1.03


DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0
COOLING TOTAL    635                572      63      599
 SINCE 1/1      4087

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

WIND (MPH)
AVERAGE WIND SPEED              9.2
HIGHEST WIND SPEED/DIRECTION    36/070    DATE  08/12
HIGHEST GUST SPEED/DIRECTION    46/070    DATE  08/12

SKY COVER
AVERAGE SKY COVER           0.43

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             11     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       7
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                      4

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

$$


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