Climatological Report (Monthly)
Issued by NWS Honolulu, HI

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CXHW50 PHFO 011616
CLMHNL

CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
616 AM HST TUE JUN 01 2021

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

...THE HONOLULU HI CLIMATE SUMMARY FOR THE MONTH OF MAY 2021...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1940 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             93   05/31/1988
 LOW              60   05/02/2006
                       05/03/1989
                       05/02/1989
HIGHEST           89   05/26         85       4       88  05/31
                       05/27
                                                          05/29
                                                          05/24
LOWEST            71   05/15         70       1       69  05/09
                       05/23
                       05/29
                                                          05/08
AVG. MAXIMUM    85.6               84.8     0.8     85.8
AVG. MINIMUM    72.7               71.5     1.2     72.2
MEAN            79.2               78.2     1.0     79.0
DAYS MAX >= 90     0                                  MM
DAYS MAX >= 93     0                                  MM
DAYS MAX <= 80     0                                  MM
DAYS MIN >= 72    26                                  MM
DAYS MIN <= 60     0                                  MM
DAYS MIN <= 55     0                                  MM

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.23   1965
 MINIMUM        0.03   2000
TOTALS          0.03R              0.82   -0.79     0.55
DAILY AVG.      0.00               0.03   -0.03     0.02
DAYS >= .01        2                6.0    -4.0        7
DAYS >= .10        0                1.6    -1.6        2
DAYS >= .50        0                0.5    -0.5        0
DAYS >= 1.00       0                0.1    -0.1        0
GREATEST
 24 HR. TOTAL   0.02   05/15 TO 05/15               0.33

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

DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0                  0       0        0
COOLING TOTAL    449                408      41      440
 SINCE 1/1      1726               1569     157     1748
................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.8
HIGHEST WIND SPEED/DIRECTION    29/080    DATE  05/16
HIGHEST GUST SPEED/DIRECTION    35/070    DATE  05/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.41
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             21
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       0     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

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