707  
CDHW40 PHFO 180245  
CLIHNL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
445 PM HST SUN AUG 17 2025  
   
...............................  
 
   
..THE HONOLULU HI CLIMATE SUMMARY FOR AUGUST 17 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 90 228 PM 92 2018 89 1 90  
2019  
MINIMUM 78 651 AM 70 1944 76 2 77  
1955  
AVERAGE 84 82 2 84  
 
PRECIPITATION (IN)  
TODAY T 0.28 1951 0.03 -0.03 0.01  
MONTH TO DATE T 0.38 -0.38 0.03  
SINCE JUN 1 0.15 1.40 -1.25 0.11  
SINCE JAN 1 8.88 9.13 -0.25 9.59  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 19 17 2 19  
MONTH TO DATE 307 289 18 296  
SINCE JUN 1 1322 1264 58 1272  
SINCE JAN 1 3231 2833 398 2862    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 15.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 400 AM  
LOWEST 52 300 PM  
AVERAGE 61  
   
......................................................  
 
THE HONOLULU HI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 1995  
MINIMUM TEMPERATURE (F) 76 66 2009  
 
SUNRISE AND SUNSET  
AUGUST 17 2025........SUNRISE 611 AM HST SUNSET 700 PM HST  
AUGUST 18 2025........SUNRISE 611 AM HST SUNSET 659 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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