Climatological Report (Daily)
Issued by NWS
Issued by NWS
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797
CDCA42 TJSJ 170855
CLIISX
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
455 AM AST SAT MAY 17 2025
...................................
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR MAY 16 2025...
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)
YESTERDAY
MAXIMUM 86 2:50 PM 92 1972 87 -1 MM
MINIMUM 77 5:31 AM 68 1979 75 2 MM
AVERAGE 82 81 1 MM
PRECIPITATION (IN)
YESTERDAY MM 2.84 1951 0.13 MM MM
MONTH TO DATE 0.00 2.09 -2.09 T
SINCE MAR 1 0.00 5.93 -5.93 2.01
SINCE JAN 1 0.00 9.22 -9.22 7.42
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 MM
MONTH TO DATE 0 0 0 MM
SINCE MAR 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 17 16 1 MM
MONTH TO DATE 267 256 11 MM
SINCE MAR 1 1171 1108 63 748
SINCE JAN 1 1962 1866 96 1708
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 9.8
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94
LOWEST 72
AVERAGE 83
..........................................................
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 91 1998
2020
MINIMUM TEMPERATURE (F) 75 70 1983
SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE 5:46 AM AST SUNSET 6:45 PM AST
MAY 18 2025...........SUNRISE 5:46 AM AST SUNSET 6:46 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$