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CDCA42 TJSJ 250850
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
450 AM AST THU DEC 25 2025
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..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR DECEMBER 24 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
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 84 11:31 AM 91 1995 84 0 86
MINIMUM 73 9:46 PM 64 1964 73 0 77
AVERAGE 79 78 1 82
PRECIPITATION (IN)
YESTERDAY 1.82R 1.82 2020 0.14 1.68 0.12
2025
MONTH TO DATE 4.70 3.90 0.80 3.63
SINCE DEC 1 4.70 3.90 0.80 3.63
SINCE JAN 1 65.42 58.92 6.50 77.86
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 14 13 1 17
MONTH TO DATE 363 333 30 409
SINCE DEC 1 363 333 30 409
SINCE JAN 1 6069 5706 363 6676
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WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 7.2
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94
LOWEST 65
AVERAGE 80
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THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 90 1989
MINIMUM TEMPERATURE (F) 73 64 1967
SUNRISE AND SUNSET
DECEMBER 25 2025......SUNRISE 6:53 AM AST SUNSET 5:55 PM AST
DECEMBER 26 2025......SUNRISE 6:54 AM AST SUNSET 5:56 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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