


Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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018 CDCA42 TJSJ 300931 CLISJU CLIMATE REPORT NATIONAL WEATHER SERVICE SAN JUAN PR 531 AM AST SAT AUG 30 2025 ................................... ...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 29 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 2:24 PM 94 2016 89 0 91 MINIMUM 80 11:44 PM 69 1916 78 2 80 AVERAGE 85 84 1 86 PRECIPITATION (IN) YESTERDAY T 2.88 2009 0.23 -0.23 0.45 MONTH TO DATE 6.77 5.83 0.94 8.17 SINCE JUN 1 16.35 16.51 -0.16 16.34 SINCE JAN 1 40.75 35.48 5.27 49.22 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 21 MONTH TO DATE 568 522 46 613 SINCE JUN 1 1681 1628 53 1899 SINCE JAN 1 4005 3761 244 4411 ................................................................... WIND (MPH) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (70) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (50) AVERAGE WIND SPEED 6.8 SKY COVER AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 85 LOWEST 70 AVERAGE 78 .......................................................... THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 89 95 2008 MINIMUM TEMPERATURE (F) 78 70 1954 SUNRISE AND SUNSET AUGUST 30 2025........SUNRISE 6:09 AM AST SUNSET 6:40 PM AST AUGUST 31 2025........SUNRISE 6:09 AM AST SUNSET 6:39 PM AST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$