598
CDHW43 PHFO 181245
CLIITO
CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
245 AM HST MON MAY 18 2026
...............................
..THE HILO/GEN.LYMAN FLD CLIMATE SUMMARY FOR MAY 17 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1949 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 79 302 PM 88 2020 81 -2 81
MINIMUM 71 848 AM 61 1987 67 4 67
AVERAGE 75 74 1 74
PRECIPITATION (IN)
YESTERDAY 1.87 2.35 1977 0.23 1.64 0.65
MONTH TO DATE 9.62 4.08 5.54 3.46
SINCE MAR 1 30.20 26.16 4.04 14.34
SINCE JAN 1 56.16 44.24 11.92 23.68
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 10 9 1 9
MONTH TO DATE 173 146 27 172
SINCE MAR 1 728 584 144 762
SINCE JAN 1 1151 957 194 1238
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WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 3.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1000 AM
LOWEST 79 500 AM
AVERAGE 88
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THE HILO/GEN.LYMAN FLD CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 91 1967
MINIMUM TEMPERATURE (F) 67 61 1985
SUNRISE AND SUNSET
MAY 18 2026...........SUNRISE 544 AM HST SUNSET 650 PM HST
MAY 19 2026...........SUNRISE 543 AM HST SUNSET 651 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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