Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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CDCA42 TJSJ 230909
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
509 AM AST SAT AUG 23 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 22 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1898 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 89 1:47 PM 93 2007 89 0 91
MINIMUM 81 6:40 AM 70 1916 78 3 82
AVERAGE 85 84 1 87
PRECIPITATION (IN)
YESTERDAY 0.00 5.76 2011 0.21 -0.21 T
MONTH TO DATE 5.45 4.27 1.18 7.41
SINCE JUN 1 15.03 14.95 0.08 15.58
SINCE JAN 1 39.43 33.92 5.51 48.46
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 20 18 2 22
MONTH TO DATE 429 396 33 467
SINCE JUN 1 1542 1502 40 1753
SINCE JAN 1 3866 3635 231 4265
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 9.9
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 65
AVERAGE 77
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 96 1974
MINIMUM TEMPERATURE (F) 78 71 2000
SUNRISE AND SUNSET
AUGUST 23 2025........SUNRISE 6:08 AM AST SUNSET 6:45 PM AST
AUGUST 24 2025........SUNRISE 6:08 AM AST SUNSET 6:44 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$