Climatological Report (Daily)
Issued by NWS Honolulu, HI

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679
CDHW43 PHFO 211245
CLIITO

CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
245 AM HST WED MAY 21 2025

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

...THE HILO HI CLIMATE SUMMARY FOR MAY 20 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1949 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         83    127 PM  94    1966  81      2       79
  MINIMUM         67    603 AM  59    1952  68     -1       68
  AVERAGE         75                        74      1       74

PRECIPITATION (IN)
  YESTERDAY        0.01          2.66 1998   0.22  -0.21     0.22
  MONTH TO DATE    3.72                      4.75  -1.03     7.71
  SINCE MAR 1     14.60                     26.83 -12.23    36.92
  SINCE JAN 1     23.94                     44.91 -20.97    45.90

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      0                         0      0        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       10                         9      1        9
  MONTH TO DATE  200                       173     27      192
  SINCE MAR 1    790                       611    179      657
  SINCE JAN 1   1266                       984    282     1090
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NE (60)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED     5.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           100 AM
 LOWEST     56           100 PM
 AVERAGE    72

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


THE HILO HI CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        88      1966
                                             1992
 MINIMUM TEMPERATURE (F)   68        62      1957
                                             1981


SUNRISE AND SUNSET
MAY 21 2025...........SUNRISE   543 AM HST   SUNSET   651 PM HST
MAY 22 2025...........SUNRISE   542 AM HST   SUNSET   652 PM HST


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




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