Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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CDCA42 TJSJ 120918
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
518 AM AST SUN OCT 12 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR OCTOBER 11 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 91 12:07 PM 95 2014 89 2 94
MINIMUM 80 7:06 AM 70 1956 77 3 81
AVERAGE 86 83 3 88
PRECIPITATION (IN)
YESTERDAY T 2.64 2006 0.14 -0.14 0.00
MONTH TO DATE 1.76 1.70 0.06 1.47
SINCE SEP 1 8.36 8.20 0.16 4.78
SINCE JAN 1 51.98 44.14 7.84 54.99
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 21 18 3 23
MONTH TO DATE 208 198 10 239
SINCE SEP 1 784 748 36 878
SINCE JAN 1 4829 4559 270 5329
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 4.9
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82
LOWEST 58
AVERAGE 70
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 97 1987
MINIMUM TEMPERATURE (F) 77 72 1962
SUNRISE AND SUNSET
OCTOBER 12 2025.......SUNRISE 6:17 AM AST SUNSET 6:03 PM AST
OCTOBER 13 2025.......SUNRISE 6:17 AM AST SUNSET 6:03 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$