590
CXHW53 PHFO 012039 CCA
CLMITO
CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
625 AM HST MON JUN 01 2026
...............................
...THE HILO/GEN.LYMAN FLD CLIMATE SUMMARY FOR THE MONTH OF MAY 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1949 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 94 05/20/1966
LOW 59 05/08/1992
HIGHEST 84 05/16 81 3 85 05/04
05/31
LOWEST 65 05/06 67 -2 65 05/15
05/19
AVG. MAXIMUM 81.3 80.7 0.6 82.8
AVG. MINIMUM 68.6 67.3 1.3 67.1
MEAN 75.0 74.0 1.0 75.0
DAYS MAX >= 93 0 0
DAYS MAX >= 90 0 0
DAYS MAX <= 80 6 2
DAYS MIN >= 72 3 0
DAYS MIN <= 60 0 0
DAYS MIN <= 55 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 25.01 1964
MINIMUM 1.18 1945
TOTALS 18.18 6.99 11.19 4.51
DAILY AVG. 0.59 0.23 0.36 0.15
DAYS >= .01 29 22.9 6.1 28
DAYS >= .10 25 14.2 10.8 13
DAYS >= .50 11 3.8 7.2 1
DAYS >= 1.00 6 1.3 4.7 0
GREATEST
24 HR. TOTAL 2.48 05/03 TO 05/03 0.82
05/17 TO 05/18
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0 0 0 MM
COOLING TOTAL 317 279 38 317
SINCE 1/1 1295 1090 205 MM
............................................................
WIND (MPH)
AVERAGE WIND SPEED 7.2
HIGHEST WIND SPEED/DIRECTION 20/050 DATE 05/01
20/140 05/16
HIGHEST GUST SPEED/DIRECTION 29/140 DATE 05/16
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.74
NUMBER OF DAYS FAIR 2
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 20
AVERAGE RH (PERCENT) 79
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM MM MIXED PRECIP MM
HEAVY RAIN 16 RAIN 20
LIGHT RAIN 27 FREEZING RAIN MM
LT FREEZING RAIN MM HAIL MM
HEAVY SNOW MM SNOW MM
LIGHT SNOW MM SLEET MM
FOG 25 FOG W/VIS <= 1/4 MILE MM
HAZE 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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