Climatological Report (Daily)
Issued by NWS
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CDCA42 TJSJ 311930
CLIISX
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
330 PM AST THU JUL 31 2025
...................................
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR JULY 31 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 12:30 PM 92 2017 89 -2 87
2018
MINIMUM 76 6:27 AM 71 1975 77 -1 75
AVERAGE 82 83 -1 81
PRECIPITATION (IN)
TODAY 0.01 0.92 2008 0.09 -0.08 MM
MONTH TO DATE 1.83 2.64 -0.81 T
SINCE JUN 1 3.24 4.56 -1.32 1.87
SINCE JAN 1 3.31 15.31 -12.00 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 16
MONTH TO DATE 558 566 -8 647
SINCE JUN 1 1085 1100 -15 1256
SINCE JAN 1 3309 3214 95 3143
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 8.9
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91
LOWEST 65
AVERAGE 78
..........................................................
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 94 2017
MINIMUM TEMPERATURE (F) 77 70 1977
SUNRISE AND SUNSET
JULY 31 2025..........SUNRISE 5:58 AM AST SUNSET 6:53 PM AST
AUGUST 1 2025........SUNRISE 5:58 AM AST SUNSET 6:53 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$