Climatological Report (Daily)
Issued by NWS
Issued by NWS
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106
CDCA42 TJSJ 181934
CLIISX
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
334 PM AST MON AUG 18 2025
...................................
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR AUGUST 18 2025...
VALID TODAY AS OF 0300 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1951 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 90 1:35 PM 95 2020 90 0 90
MINIMUM 83 6:50 AM 72 1975 78 5 82
AVERAGE 87 84 3 86
PRECIPITATION (IN)
TODAY 0.03 2.35 2013 0.10 -0.07 MM
MONTH TO DATE 0.03 1.77 -1.74 T
SINCE JUN 1 3.26 6.33 -3.07 1.87
SINCE JAN 1 3.33 17.08 -13.75 9.77
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 22 18 4 21
MONTH TO DATE 321 324 -3 365
SINCE JUN 1 1406 1424 -18 1621
SINCE JAN 1 3630 3538 92 3508
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 11.9
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 70
AVERAGE 79
..........................................................
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 95 1972
MINIMUM TEMPERATURE (F) 78 70 1979
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 6:03 AM AST SUNSET 6:43 PM AST
AUGUST 19 2025........SUNRISE 6:03 AM AST SUNSET 6:42 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$