Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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CDCA42 TJSJ 040851
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
451 AM AST SAT OCT 04 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR OCTOBER 3 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 88 3:23 PM 96 1982 89 -1 92
MINIMUM 79 6:46 AM 69 1938 77 2 81
AVERAGE 84 83 1 87
PRECIPITATION (IN)
YESTERDAY 0.02 1.00 1967 0.17 -0.15 0.01
MONTH TO DATE 0.02 0.51 -0.49 0.02
SINCE SEP 1 6.62 7.01 -0.39 3.33
SINCE JAN 1 50.24 42.95 7.29 53.54
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 19 18 1 22
MONTH TO DATE 60 54 6 62
SINCE SEP 1 636 604 32 701
SINCE JAN 1 4681 4415 266 5152
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 4.8
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85
LOWEST 59
AVERAGE 72
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 95 2015
MINIMUM TEMPERATURE (F) 77 71 1945
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.
$$