Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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CDCA42 TJSJ 160946
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
546 AM AST THU OCT 16 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR OCTOBER 15 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 92 12:14 PM 96 2023 89 3 93
MINIMUM 79 7:54 PM 71 1966 77 2 79
AVERAGE 86 83 3 86
PRECIPITATION (IN)
YESTERDAY T 1.92 2017 0.15 -0.15 0.00
MONTH TO DATE 2.18 2.28 -0.10 1.59
SINCE SEP 1 8.78 8.78 0.00 4.90
SINCE JAN 1 52.40 44.72 7.68 55.11
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 21
MONTH TO DATE 288 270 18 323
SINCE SEP 1 864 820 44 962
SINCE JAN 1 4909 4631 278 5413
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 3.9
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 57
AVERAGE 73
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 96 2023
MINIMUM TEMPERATURE (F) 77 71 1964
SUNRISE AND SUNSET
OCTOBER 16 2025.......SUNRISE 6:18 AM AST SUNSET 6:01 PM AST
OCTOBER 17 2025.......SUNRISE 6:18 AM AST SUNSET 6:00 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$