Climatological Report (Monthly)
Issued by NWS Honolulu, HI

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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
................................................................

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.

$$