Climatological Report (Daily)
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
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825
CDHW43 PHFO 181245
CLIITO
CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
245 AM HST MON AUG 18 2025
...................................
...THE HILO HI CLIMATE SUMMARY FOR AUGUST 17 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 77 1200 AM 90 2015 83 -6 81
MINIMUM 72 214 AM 65 1955 71 1 71
AVERAGE 75 77 -2 76
PRECIPITATION (IN)
YESTERDAY 0.17 4.75 1956 0.38 -0.21 0.16
MONTH TO DATE 0.76 6.25 -5.49 2.92
SINCE JUN 1 9.89 22.79 -12.90 11.64
SINCE JAN 1 34.62 69.94 -35.32 59.58
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 10 12 -2 11
MONTH TO DATE 218 204 14 205
SINCE JUN 1 946 864 82 948
SINCE JAN 1 2329 1954 375 2137
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 4.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 700 AM
LOWEST 69 1200 AM
AVERAGE 83
..........................................................
THE HILO HI CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 88 2019
MINIMUM TEMPERATURE (F) 70 65 1955
1973
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 602 AM HST SUNSET 646 PM HST
AUGUST 19 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.
$$