


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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454 CDCA42 TJSJ 042046 CLIISX CLIMATE REPORT NATIONAL WEATHER SERVICE SAN JUAN PR 446 PM AST THU SEP 04 2025 ................................... ...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR SEPTEMBER 4 2025... VALID TODAY AS OF 0400 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1951 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 90 MM 94 2023 89 1 90 MINIMUM 76 MM 68 1979 77 -1 79 AVERAGE 83 83 0 85 PRECIPITATION (IN) TODAY MM 1.41 2009 0.17 MM 0.10 MONTH TO DATE T 0.66 -0.66 0.63 SINCE SEP 1 T 0.66 -0.66 0.63 SINCE JAN 1 3.30 19.20 -15.90 10.47 DEGREE DAYS HEATING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE SEP 1 0 0 0 0 SINCE JUL 1 0 0 0 0 COOLING TODAY 18 18 0 20 MONTH TO DATE 76 72 4 83 SINCE SEP 1 76 72 4 83 SINCE JAN 1 3961 3858 103 3859 ................................................................... WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (110) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (110) AVERAGE WIND SPEED 9.5 SKY COVER AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 88 LOWEST 59 AVERAGE 74 .......................................................... THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 89 94 2022 MINIMUM TEMPERATURE (F) 77 63 1979 SUNRISE AND SUNSET SEPTEMBER 4 2025.....SUNRISE 6:06 AM AST SUNSET 6:30 PM AST SEPTEMBER 5 2025.....SUNRISE 6:06 AM AST SUNSET 6:29 PM AST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$