271
CDCA42 TJSJ 180901
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
501 AM AST SUN OCT 18 2026
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR OCTOBER 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 88 2:43 PM 95 1980 89 -1 94
MINIMUM 79 7:14 AM 69 1908 77 2 79
AVERAGE 84 83 1 87
PRECIPITATION (IN)
YESTERDAY 0.19 2.53 1958 0.16 0.03 0.02
MONTH TO DATE 3.22 2.59 0.63 2.30
SINCE SEP 1 10.12 9.09 1.03 8.90
SINCE JAN 1 35.05 45.03 -9.98 52.52
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 19 18 1 22
MONTH TO DATE 321 306 15 329
SINCE SEP 1 912 856 56 905
SINCE JAN 1 5030 4667 363 4950
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 7.0
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90
LOWEST 66
AVERAGE 78
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THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 94 1979
MINIMUM TEMPERATURE (F) 77 70 1957
SUNRISE AND SUNSET
OCTOBER 18 2026.......SUNRISE 6:19 AM AST SUNSET 5:59 PM AST
OCTOBER 19 2026.......SUNRISE 6:19 AM AST SUNSET 5:59 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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