827
CDHW40 PHFO 181245
CLIHNL
CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
245 AM HST MON AUG 18 2025
...............................
..THE HONOLULU HI CLIMATE SUMMARY FOR AUGUST 17 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 90 228 PM 92 2018 89 1 90
2019
MINIMUM 78 651 AM 70 1944 76 2 77
1955
AVERAGE 84 82 2 84
PRECIPITATION (IN)
YESTERDAY T 0.28 1951 0.03 -0.03 0.01
MONTH TO DATE T 0.38 -0.38 0.03
SINCE JUN 1 0.15 1.40 -1.25 0.11
SINCE JAN 1 8.88 9.13 -0.25 9.59
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 307 289 18 296
SINCE JUN 1 1322 1264 58 1272
SINCE JAN 1 3231 2833 398 2862
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WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 14.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 800 PM
LOWEST 52 300 PM
AVERAGE 62
......................................................
THE HONOLULU HI CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 93 1995
MINIMUM TEMPERATURE (F) 76 66 2009
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 611 AM HST SUNSET 659 PM HST
AUGUST 19 2025........SUNRISE 612 AM HST SUNSET 658 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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