451
CDHW43 PHFO 211245
CLIITO
CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
245 AM HST THU AUG 21 2025
...............................
..THE HILO HI CLIMATE SUMMARY FOR AUGUST 20 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 84 MM 89 1963 83 1 83
MINIMUM 69 MM 64 1983 70 -1 67
AVERAGE 77 77 0 75
PRECIPITATION (IN)
YESTERDAY 0.24 3.85 1989 0.38 -0.14 0.02
MONTH TO DATE 1.06 7.37 -6.31 3.04
SINCE JUN 1 10.19 23.91 -13.72 11.76
SINCE JAN 1 34.92 71.06 -36.14 59.70
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 12 12 0 10
MONTH TO DATE 258 240 18 237
SINCE JUN 1 986 900 86 980
SINCE JAN 1 2369 1990 379 2169
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 6.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 800 AM
LOWEST 58 300 PM
AVERAGE 78
......................................................
THE HILO HI CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 88 1950
2008
2015
MINIMUM TEMPERATURE (F) 70 65 1964
1966
1979
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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