Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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CDCA42 TJSJ 041931
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
331 PM AST SAT OCT 04 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR OCTOBER 4 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 89 1:07 PM 95 2015 89 0 90
MINIMUM 79 6:55 AM 71 1945 77 2 80
AVERAGE 84 83 1 85
PRECIPITATION (IN)
TODAY T 1.31 1937 0.17 -0.17 0.13
MONTH TO DATE 0.02 0.68 -0.66 0.15
SINCE SEP 1 6.62 7.18 -0.56 3.46
SINCE JAN 1 50.24 43.12 7.12 53.67
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 19 18 1 20
MONTH TO DATE 79 72 7 82
SINCE SEP 1 655 622 33 721
SINCE JAN 1 4700 4433 267 5172
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 4.7
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82
LOWEST 63
AVERAGE 73
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 95 2015
2023
MINIMUM TEMPERATURE (F) 77 71 1985
SUNRISE AND SUNSET
OCTOBER 4 2025.......SUNRISE 6:15 AM AST SUNSET 6:10 PM AST
OCTOBER 5 2025.......SUNRISE 6:15 AM AST SUNSET 6:09 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$