524
CDHW43 PHFO 220245
CLIITO
CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
445 PM HST THU AUG 21 2025
...............................
..THE HILO HI CLIMATE SUMMARY FOR AUGUST 21 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 85 MM 88 1950 83 2 82
2008
2015
MINIMUM 72 MM 65 1964 70 2 68
1966
1979
AVERAGE 79 77 2 75
PRECIPITATION (IN)
TODAY 0.00 3.12 1978 0.38 -0.38 0.03
MONTH TO DATE 1.06 7.75 -6.69 3.07
SINCE JUN 1 10.19 24.29 -14.10 11.79
SINCE JAN 1 34.92 71.44 -36.52 59.73
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 14 12 2 10
MONTH TO DATE 272 252 20 247
SINCE JUN 1 1000 912 88 990
SINCE JAN 1 2383 2002 381 2179
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 6.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 1200 AM
LOWEST 56 1000 AM
AVERAGE 74
......................................................
THE HILO HI CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 90 2015
MINIMUM TEMPERATURE (F) 70 64 1952
1956
1980
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 602 AM HST SUNSET 644 PM HST
AUGUST 22 2025........SUNRISE 603 AM HST SUNSET 643 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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