Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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CDCA42 TJSJ 011947
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
347 PM AST WED OCT 01 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR OCTOBER 1 2025...
VALID TODAY AS OF 0300 PM LOCAL TIME.
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)
TODAY
MAXIMUM 94 2:21 PM 96 1982 89 5 90
MINIMUM 79 6:50 AM 68 1899 77 2 80
AVERAGE 87 83 4 85
PRECIPITATION (IN)
TODAY T 2.64 1899 0.17 -0.17 T
MONTH TO DATE T 0.17 -0.17 T
SINCE SEP 1 6.60 6.67 -0.07 3.31
SINCE JAN 1 50.22 42.61 7.61 53.52
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 22 18 4 20
MONTH TO DATE 22 18 4 20
SINCE SEP 1 598 568 30 659
SINCE JAN 1 4643 4379 264 5110
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 4.8
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85
LOWEST 47
AVERAGE 66
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 95 1992
MINIMUM TEMPERATURE (F) 77 70 1899
SUNRISE AND SUNSET
OCTOBER 1 2025.......SUNRISE 6:15 AM AST SUNSET 6:12 PM AST
OCTOBER 2 2025.......SUNRISE 6:15 AM AST SUNSET 6:11 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$