Climatological Report (Monthly)
Issued by NWS Honolulu, HI

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000
CXHW53 PHFO 011625
CLMITO


CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
625 AM HST SUN OCT 1 2017

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

...THE HILO HI CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1946 TO 2017

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
                        01/01/2000
 LOW               61   09/30/1970
HIGHEST            87   09/14        83       4       87  09/16
                                                          09/13
LOWEST             66   09/24        69      -3       67  09/09
AVG. MAXIMUM     84.3              83.3     1.0     84.3
AVG. MINIMUM     69.3              69.1     0.2     70.7
MEAN             76.8              76.2     0.6     77.5
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        21.82   1994
 MINIMUM         1.59   1974
TOTALS           3.91              9.94   -6.03    10.74
DAILY AVG.       0.13              0.33   -0.20     0.36
DAYS >= .01        20              24.3    -4.3       27
DAYS >= .10        12              16.6    -4.6       18
DAYS >= .50         1               5.7    -4.7        7
DAYS >= 1.00        0               2.1    -2.1        3
GREATEST
 24 HR. TOTAL    0.98   09/09 TO 09/09              4.11

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   5
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         0.0               0.0     0.0      0.0
SNOWDEPTH AVG.     MM                MM      MM        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH        MM                                  0  MM
 24 HR TOTAL      0.0   09/30 TO 09/30               0.0

DEGREE_DAYS
HEATING TOTAL       0                 0       0        0
 SINCE 7/1          0                 0       0        0
COOLING TOTAL     362               336      26      382
 SINCE 1/1       2778              2408     370     3133
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.3
HIGHEST WIND SPEED/DIRECTION    21/110    DATE  09/18
HIGHEST GUST SPEED/DIRECTION    27/100    DATE  09/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER             MM
NUMBER OF DAYS FAIR            0
NUMBER OF DAYS PC              0
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     MM

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                0     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      0
HAZE                      7

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

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