Climatological Report (Daily)
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CDCA42 TJSJ 180906
CLIISX
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
506 AM AST FRI SEP 18 2026
...................................
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR SEPTEMBER 17 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1951 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM MM MM 96 2023 89 MM 89
MINIMUM MM MM 65 1975 77 MM 76
AVERAGE MM 83 MM 83
PRECIPITATION (IN)
YESTERDAY MM 1.37 2000 0.16 MM MM
MONTH TO DATE T 2.75 -2.75 0.00
SINCE SEP 1 T 2.75 -2.75 0.00
SINCE JAN 1 4.43 21.29 -16.86 3.30
DEGREE DAYS
HEATING
YESTERDAY MM 0 MM 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY MM 18 MM 18
MONTH TO DATE 126 306 -180 325
SINCE SEP 1 126 306 -180 325
SINCE JAN 1 3853 4092 -239 4210
...................................................................
WIND (MPH)
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED MM
SKY COVER
AVERAGE SKY COVER MM
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST MM
LOWEST MM
AVERAGE MM
..........................................................
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 95 1972
MINIMUM TEMPERATURE (F) 77 69 1979
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 6:08 AM AST SUNSET 6:19 PM AST
SEPTEMBER 19 2026.....SUNRISE 6:08 AM AST SUNSET 6:18 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$