646
CDCA42 TJSJ 171939
CLIISX
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
339 PM AST SUN AUG 17 2025
...............................
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR AUGUST 17 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 87 1:59 PM 95 2020 90 -3 91
2023
MINIMUM 77 5:37 AM 63 1978 78 -1 79
AVERAGE 82 84 -2 85
PRECIPITATION (IN)
TODAY 0.03 2.92 1978 0.11 -0.08 MM
MONTH TO DATE 0.03 1.67 -1.64 T
SINCE JUN 1 3.26 6.23 -2.97 1.87
SINCE JAN 1 3.33 16.98 -13.65 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 17 18 -1 20
MONTH TO DATE 298 306 -8 344
SINCE JUN 1 1383 1406 -23 1600
SINCE JAN 1 3607 3520 87 3487
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 14.0
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94
LOWEST 70
AVERAGE 82
......................................................
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 95 2020
MINIMUM TEMPERATURE (F) 78 72 1975
SUNRISE AND SUNSET
AUGUST 17 2025........SUNRISE 6:02 AM AST SUNSET 6:44 PM AST
AUGUST 18 2025........SUNRISE 6:03 AM AST SUNSET 6:43 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page