189
CDHW43 PHFO 211245
CLIITO
CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
245 AM HST SUN SEP 21 2025
...............................
..THE HILO/GEN.LYMAN FLD CLIMATE SUMMARY FOR SEPTEMBER 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 86 153 PM 90 1974 83 3 85
1981
MINIMUM 72 851 AM 63 1976 70 2 71
AVERAGE 79 76 3 78
PRECIPITATION (IN)
YESTERDAY 0.46 6.91 2015 0.28 0.18 0.13
MONTH TO DATE 2.48 5.78 -3.30 5.95
SINCE SEP 1 2.48 5.78 -3.30 5.95
SINCE JAN 1 37.86 80.77 -42.91 74.17
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 14 12 2 13
MONTH TO DATE 260 240 20 250
SINCE SEP 1 260 240 20 250
SINCE JAN 1 2761 2351 410 2550
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WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 5.6
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 55 200 PM
AVERAGE 76
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THE HILO/GEN.LYMAN FLD CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 92 1951
MINIMUM TEMPERATURE (F) 70 62 1959
SUNRISE AND SUNSET
SEPTEMBER 21 2025.....SUNRISE 1029 AM HDT SUNSET 1036 PM HDT
SEPTEMBER 22 2025.....SUNRISE 1029 AM HDT SUNSET 1035 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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