497
CDHW43 PHFO 191245
CLIITO
CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
245 AM HST TUE AUG 19 2025
...............................
..THE HILO HI CLIMATE SUMMARY FOR AUGUST 18 2025
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)
YESTERDAY
MAXIMUM 87 MM 88 2019 83 4 81
MINIMUM 73 MM 65 1955 70 3 70
1973
AVERAGE 80 77 3 76
PRECIPITATION (IN)
YESTERDAY 0.00 2.13 2018 0.38 -0.38 0.10
MONTH TO DATE 0.76 6.63 -5.87 3.02
SINCE JUN 1 9.89 23.17 -13.28 11.74
SINCE JAN 1 34.62 70.32 -35.70 59.68
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 15 12 3 11
MONTH TO DATE 233 216 17 216
SINCE JUN 1 961 876 85 959
SINCE JAN 1 2344 1966 378 2148
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 7.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 900 PM
LOWEST 51 1100 AM
AVERAGE 68
......................................................
THE HILO HI CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 89 2019
MINIMUM TEMPERATURE (F) 70 66 1963
1983
SUNRISE AND SUNSET
AUGUST 19 2025........SUNRISE 602 AM HST SUNSET 645 PM HST
AUGUST 20 2025........SUNRISE 602 AM HST SUNSET 645 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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