Climatological Report (Daily)
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
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797
CDHW40 PHFO 171245
CLIHNL
CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
245 AM HST SUN AUG 17 2025
...................................
...THE HONOLULU HI CLIMATE SUMMARY FOR AUGUST 16 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1940 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 89 332 PM 92 1994 89 0 90
2018
2019
MINIMUM 78 634 AM 68 1974 76 2 78
2009
AVERAGE 84 82 2 84
PRECIPITATION (IN)
YESTERDAY 0.00 0.54 1965 0.03 -0.03 T
1992
MONTH TO DATE T 0.35 -0.35 0.02
SINCE JUN 1 0.15 1.37 -1.22 0.10
SINCE JAN 1 8.88 9.10 -0.22 9.58
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 19 17 2 19
MONTH TO DATE 288 272 16 277
SINCE JUN 1 1303 1247 56 1253
SINCE JAN 1 3212 2816 396 2843
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 13.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 500 AM
LOWEST 45 300 PM
AVERAGE 59
..........................................................
THE HONOLULU HI CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 92 2018
2019
MINIMUM TEMPERATURE (F) 76 70 1944
1955
SUNRISE AND SUNSET
AUGUST 17 2025........SUNRISE 611 AM HST SUNSET 700 PM HST
AUGUST 18 2025........SUNRISE 611 AM HST SUNSET 659 PM HST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$