CDHW40 PHFO 181245
CLIHNL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE HONOLULU HI
245 AM HST MON MAY 18 2026

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

...THE HONOLULU CLIMATE SUMMARY FOR MAY 17 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1940 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         88    306 PM  89    1988  85      3       87       
                                      2019                           
  MINIMUM         71    533 AM  65    2006  72     -1       73       
  AVERAGE         80                        78      2       80     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.25 2024   0.03  -0.03     0.00     
  MONTH TO DATE    0.46                      0.47  -0.01     0.30     
  SINCE MAR 1     17.00                      3.60  13.40     2.43     
  SINCE JAN 1     20.71                      7.38  13.33     8.45     

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       15        
  MONTH TO DATE  239                       215     24      272        
  SINCE MAR 1    903                       862     41     1092        
  SINCE JAN 1   1451                      1376     75     1702        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     E (80)        
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION     E (80)        
  AVERAGE WIND SPEED     8.4                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.2                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           200 AM                                      
 LOWEST     55           200 PM                                      
 AVERAGE    71                                                        

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


THE HONOLULU CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   85        90      1988                      
                                             2008                     
 MINIMUM TEMPERATURE (F)   72        64      1985                      


SUNRISE AND SUNSET                                                    
MAY 18 2026...........SUNRISE   552 AM HST   SUNSET   704 PM HST     
MAY 19 2026...........SUNRISE   552 AM HST   SUNSET   705 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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