


Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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947 CDCA42 TJSJ 221040 CLISJU CLIMATE REPORT NATIONAL WEATHER SERVICE SAN JUAN PR 640 AM AST FRI AUG 22 2025 ................................... ...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 21 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 2:39 PM 97 1980 89 0 91 MINIMUM 81 7:13 AM 72 1956 78 3 80 AVERAGE 85 84 1 86 PRECIPITATION (IN) YESTERDAY 0.00 2.72 1983 0.20 -0.20 0.36 MONTH TO DATE 5.45 4.06 1.39 7.41 SINCE JUN 1 15.03 14.74 0.29 15.58 SINCE JAN 1 39.43 33.71 5.72 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 21 MONTH TO DATE 409 378 31 445 SINCE JUN 1 1522 1484 38 1731 SINCE JAN 1 3846 3617 229 4243 ................................................................... WIND (MPH) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (60) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (50) 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 79 LOWEST 63 AVERAGE 71 .......................................................... THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 89 93 2007 MINIMUM TEMPERATURE (F) 78 70 1916 SUNRISE AND SUNSET AUGUST 22 2025........SUNRISE 6:08 AM AST SUNSET 6:46 PM AST AUGUST 23 2025........SUNRISE 6:08 AM AST SUNSET 6:45 PM AST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$