Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDCA42 TJSJ 210851
CLIISX
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
451 AM AST THU AUG 21 2025
...................................
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR AUGUST 20 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 90 2:30 PM 94 2020 90 0 91
MINIMUM 81 11:59 PM 70 1980 77 4 81
AVERAGE 86 84 2 86
PRECIPITATION (IN)
YESTERDAY 0.00 0.98 1960 0.10 -0.10 MM
MONTH TO DATE 0.00 1.98 -1.98 T
SINCE JUN 1 3.23 6.54 -3.31 1.87
SINCE JAN 1 3.30 17.29 -13.99 9.77
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 21 18 3 21
MONTH TO DATE 361 360 1 408
SINCE JUN 1 1446 1460 -14 1664
SINCE JAN 1 3670 3574 96 3551
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 13.2
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 65
AVERAGE 77
..........................................................
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 93 2020
MINIMUM TEMPERATURE (F) 77 70 1980
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 6:03 AM AST SUNSET 6:41 PM AST
AUGUST 22 2025........SUNRISE 6:03 AM AST SUNSET 6:40 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$