350  
CDHW40 PHFO 030245  
CLIHNL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
445 PM HST TUE SEP 02 2025  
   
...............................
 
 
   
..THE HONOLULU CLIMATE SUMMARY FOR SEPTEMBER 2 2025
 
 
VALID TODAY AS OF 0425 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 89 123 PM 94 1997 89 0 90  
MINIMUM 74 620 AM 69 1993 75 -1 79  
AVERAGE 82 82 0 85  
 
PRECIPITATION (IN)  
TODAY 0.00 0.75 1974 0.04 -0.04 0.00  
MONTH TO DATE 0.00 0.07 -0.07 T  
SINCE SEP 1 0.00 0.07 -0.07 T  
SINCE JAN 1 8.88 9.66 -0.78 9.71  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 17 17 0 20  
MONTH TO DATE 35 34 1 40  
SINCE SEP 1 35 34 1 40  
SINCE JAN 1 3520 3111 409 3147    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 600 AM  
LOWEST 43 200 PM  
AVERAGE 60  
   
......................................................
 
 
THE HONOLULU CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 2005  
2019  
MINIMUM TEMPERATURE (F) 75 69 1993  
 
SUNRISE AND SUNSET  
SEPTEMBER 2 2025.....SUNRISE 1012 AM HDT SUNSET 1043 PM HDT  
SEPTEMBER 3 2025.....SUNRISE 1012 AM HDT SUNSET 1042 PM HDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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