Climatological Report (Daily)
Issued by NWS
Issued by NWS
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641
CDCA42 TJSJ 090905
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
505 AM AST THU OCT 09 2025
...................................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR OCTOBER 8 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1953 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 90 12:15 PM 96 1987 89 1 89
MINIMUM MM MM 70 2002 79 MM 81
AVERAGE MM 84 MM 85
PRECIPITATION (IN)
YESTERDAY MM 5.40 1977 0.17 MM T
MONTH TO DATE T 1.36 -1.36 1.56
SINCE SEP 1 5.42 7.25 -1.83 7.90
SINCE JAN 1 27.07 28.54 -1.47 19.04
DEGREE DAYS
HEATING
YESTERDAY MM 0 MM 0
MONTH TO DATE MM 0 MM 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY MM 19 MM 20
MONTH TO DATE MM 152 MM 153
SINCE SEP 1 454 732 -278 748
SINCE JAN 1 4704 4783 -79 3546
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 9.0
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77
LOWEST 59
AVERAGE 68
..........................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 96 1994
MINIMUM TEMPERATURE (F) 79 72 1982
SUNRISE AND SUNSET
OCTOBER 9 2025.......SUNRISE 6:12 AM AST SUNSET 6:02 PM AST
OCTOBER 10 2025.......SUNRISE 6:12 AM AST SUNSET 6:01 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$