833
CXHW53 PHFO 011625
CLMITO
CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
625 AM HST THU OCT 01 2026
...............................
...THE HILO/GEN.LYMAN FLD CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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 93 09/02/2015
09/26/2014
LOW 61 09/30/1970
HIGHEST 89 09/08 83 6 89 09/06
LOWEST 67 09/28 69 -2 67 09/10
09/24
09/26
AVG. MAXIMUM 83.6 83.3 0.3 85.2
AVG. MINIMUM 72.1 69.8 2.3 69.6
MEAN 77.9 76.5 1.4 77.4
DAYS MAX >= 93 0 0
DAYS MAX >= 90 0 0
DAYS MAX <= 80 3 0
DAYS MIN >= 72 21 2
DAYS MIN <= 60 0 0
DAYS MIN <= 55 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 21.82 1994
MINIMUM 1.59 1974
TOTALS 16.19 8.70 7.49 2.76
DAILY AVG. 0.54 0.29 0.25 0.09
DAYS >= .01 22 23.3 -1.3 20
DAYS >= .10 16 15.3 0.7 7
DAYS >= .50 13 4.8 8.2 1
DAYS >= 1.00 6 1.6 4.4 0
GREATEST
24 HR. TOTAL 2.90 09/09 TO 09/10 0.74
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0 0 0 MM
COOLING TOTAL 391 346 45 379
SINCE 1/1 2820 2457 363 MM
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WIND (MPH)
AVERAGE WIND SPEED 6.7
HIGHEST WIND SPEED/DIRECTION 23/080 DATE 09/26
HIGHEST GUST SPEED/DIRECTION 35/080 DATE 09/26
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.78
NUMBER OF DAYS FAIR 1
NUMBER OF DAYS PC 10
NUMBER OF DAYS CLOUDY 19
AVERAGE RH (PERCENT) 82
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP MM
HEAVY RAIN 16 RAIN 20
LIGHT RAIN 26 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 11
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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