


Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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266 CDCA42 TJSJ 210851 CLISJU CLIMATE REPORT NATIONAL WEATHER SERVICE SAN JUAN PR 451 AM AST THU AUG 21 2025 ................................... ...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 20 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 92 2:28 PM 96 1980 89 3 91 MINIMUM 80 5:37 AM 69 1904 78 2 82 AVERAGE 86 84 2 87 PRECIPITATION (IN) YESTERDAY 0.00 3.10 1901 0.20 -0.20 0.02 MONTH TO DATE 5.45 3.86 1.59 7.05 SINCE JUN 1 15.03 14.54 0.49 15.22 SINCE JAN 1 39.43 33.51 5.92 48.10 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 21 18 3 22 MONTH TO DATE 389 360 29 424 SINCE JUN 1 1502 1466 36 1710 SINCE JAN 1 3826 3599 227 4222 ................................................................... WIND (MPH) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (60) HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (90) AVERAGE WIND SPEED 8.3 SKY COVER AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 82 LOWEST 65 AVERAGE 74 .......................................................... THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 89 97 1980 MINIMUM TEMPERATURE (F) 78 72 1956 SUNRISE AND SUNSET AUGUST 21 2025........SUNRISE 6:07 AM AST SUNSET 6:46 PM AST AUGUST 22 2025........SUNRISE 6:08 AM AST SUNSET 6:46 PM AST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$