Climatological Report (Daily)
Issued by NWS Honolulu, HI

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221
CDHW40 PHFO 221245
CLIHNL

CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
245 AM HST THU MAY 22 2025

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

...THE HONOLULU HI CLIMATE SUMMARY FOR MAY 21 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1940 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         86    203 PM  90    1968  85      1       85
  MINIMUM         74    628 AM  64    1985  72      2       73
                                      1997
  AVERAGE         80                        78      2       79

PRECIPITATION (IN)
  YESTERDAY        0.00          0.72 1978   0.03  -0.03     0.00
  MONTH TO DATE    0.58                      0.58   0.00     4.90
  SINCE MAR 1      2.71                      3.71  -1.00     6.54
  SINCE JAN 1      8.73                      7.49   1.24     9.48

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       15                        13      2       14
  MONTH TO DATE  332                       267     65      256
  SINCE MAR 1   1152                       914    238      926
  SINCE JAN 1   1762                      1428    334     1447
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED    11.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76           200 AM
 LOWEST     50           200 PM
 AVERAGE    63

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


THE HONOLULU HI CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85        91      1968
                                             1996
 MINIMUM TEMPERATURE (F)   72        64      1983


SUNRISE AND SUNSET
MAY 22 2025...........SUNRISE   551 AM HST   SUNSET   706 PM HST
MAY 23 2025...........SUNRISE   551 AM HST   SUNSET   707 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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