190
CDHW40 PHFO 211245
CLIHNL
CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
245 AM HST SUN SEP 21 2025
...............................
..THE HONOLULU CLIMATE SUMMARY FOR SEPTEMBER 20 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 89 154 PM 92 1986 88 1 88
1987
1995
MINIMUM 77 1037 PM 68 1945 75 2 75
1955
1957
AVERAGE 83 82 1 82
PRECIPITATION (IN)
YESTERDAY 0.01 0.69 1968 0.03 -0.02 T
MONTH TO DATE 0.58 0.62 -0.04 0.01
SINCE SEP 1 0.58 0.62 -0.04 0.01
SINCE JAN 1 9.46 10.21 -0.75 9.72
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 18 16 2 17
MONTH TO DATE 357 337 20 355
SINCE SEP 1 357 337 20 355
SINCE JAN 1 3842 3414 428 3462
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 12.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 1100 PM
LOWEST 50 100 PM
AVERAGE 66
......................................................
THE HONOLULU CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 92 1990
1995
MINIMUM TEMPERATURE (F) 75 67 1975
SUNRISE AND SUNSET
SEPTEMBER 21 2025.....SUNRISE 1017 AM HDT SUNSET 1025 PM HDT
SEPTEMBER 22 2025.....SUNRISE 1017 AM HDT SUNSET 1024 PM HDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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