134  
CDHW40 PHFO 121245  
CLIHNL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST TUE AUG 12 2025  
   
...............................
 
 
   
..THE HONOLULU HI CLIMATE SUMMARY FOR AUGUST 11 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 92 1258 PM 94 2019 89 3 89  
MINIMUM 74 547 AM 70 1975 76 -2 76  
1977  
1980  
AVERAGE 83 82 1 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.22 1966 0.02 -0.02 0.01  
MONTH TO DATE T 0.21 -0.21 0.02  
SINCE JUN 1 0.15 1.23 -1.08 0.10  
SINCE JAN 1 8.88 8.96 -0.08 9.58  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 18 17 1 18  
MONTH TO DATE 198 187 11 188  
SINCE JUN 1 1213 1162 51 1164  
SINCE JAN 1 3122 2731 391 2754    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 7.6  
 
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 82 200 AM  
LOWEST 47 100 PM  
AVERAGE 65  
   
......................................................
 
 
THE HONOLULU HI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 2015  
MINIMUM TEMPERATURE (F) 76 69 1947  
 
SUNRISE AND SUNSET  
AUGUST 12 2025........SUNRISE 609 AM HST SUNSET 704 PM HST  
AUGUST 13 2025........SUNRISE 610 AM HST SUNSET 703 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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