639
CDHW43 PHFO 190245
CLIITO
CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
445 PM HST THU DEC 18 2025
...............................
..THE HILO/GEN.LYMAN FLD CLIMATE SUMMARY FOR DECEMBER 18 2025
VALID TODAY AS OF 0425 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1949 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 87R 225 PM 86 1972 79 8 84
MINIMUM 66 648 AM 57 1975 66 0 64
AVERAGE 77 72 5 74
PRECIPITATION (IN)
TODAY 0.00 4.35 1971 0.37 -0.37 0.00
MONTH TO DATE 1.81 7.64 -5.83 1.92
SINCE DEC 1 1.81 7.64 -5.83 1.92
SINCE JAN 1 56.89 115.96 -59.07 98.42
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 12 7 5 9
MONTH TO DATE 158 136 22 167
SINCE DEC 1 158 136 22 167
SINCE JAN 1 3701 3193 508 3477
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 5.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 1200 AM
LOWEST 55 200 PM
AVERAGE 71
......................................................
THE HILO/GEN.LYMAN FLD CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 85 1979
MINIMUM TEMPERATURE (F) 66 57 1969
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 649 AM HST SUNSET 545 PM HST
DECEMBER 19 2025......SUNRISE 649 AM HST SUNSET 546 PM HST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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