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CDCA42 TJSJ 200912
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
512 AM AST SUN SEP 20 2026
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..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 19 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 89 1:24 PM 95 2013 89 0 91
MINIMUM 80 6:54 AM 71 1950 77 3 76
AVERAGE 85 83 2 84
PRECIPITATION (IN)
YESTERDAY 0.00 1.92 2014 0.21 -0.21 0.04
MONTH TO DATE 4.40 4.33 0.07 3.63
SINCE SEP 1 4.40 4.33 0.07 3.63
SINCE JAN 1 29.33 40.27 -10.94 47.25
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 19
MONTH TO DATE 372 342 30 363
SINCE SEP 1 372 342 30 363
SINCE JAN 1 4490 4153 337 4408
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 4.4
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87
LOWEST 61
AVERAGE 74
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THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 95 1981
MINIMUM TEMPERATURE (F) 77 72 1920
SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE 6:13 AM AST SUNSET 6:22 PM AST
SEPTEMBER 21 2026.....SUNRISE 6:13 AM AST SUNSET 6:21 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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