926
CDCA42 TJSJ 180906
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
506 AM AST FRI SEP 18 2026
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 17 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1898 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 93 12:29 PM 95 1995 89 4 91
MINIMUM 76 5:58 PM 72 1954 78 -2 78
AVERAGE 85 83 2 85
PRECIPITATION (IN)
YESTERDAY 0.26 1.68 1911 0.21 0.05 0.39
MONTH TO DATE 4.36 3.90 0.46 3.03
SINCE SEP 1 4.36 3.90 0.46 3.03
SINCE JAN 1 29.29 39.84 -10.55 46.65
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 20 18 2 20
MONTH TO DATE 332 306 26 330
SINCE SEP 1 332 306 26 330
SINCE JAN 1 4450 4117 333 4375
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WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 5.5
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94
LOWEST 60
AVERAGE 77
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THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 96 1995
MINIMUM TEMPERATURE (F) 78 71 1960
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 6:12 AM AST SUNSET 6:24 PM AST
SEPTEMBER 19 2026.....SUNRISE 6:12 AM AST SUNSET 6:23 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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