503  
CDHW40 PHFO 221245  
CLIHNL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST TUE JUL 22 2025  
   
...............................
 
 
   
..THE HONOLULU HI CLIMATE SUMMARY FOR JULY 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 90 MM 91 1986 88 2 88  
2004  
2015  
MINIMUM 78 MM 69 1958 75 3 77  
1974  
AVERAGE 84 82 2 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.26 1993 0.02 -0.02 0.00  
MONTH TO DATE 0.08 0.34 -0.26 0.01  
SINCE JUN 1 0.15 0.84 -0.69 0.07  
SINCE JAN 1 8.88 8.57 0.31 9.55  
 
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 19 17 2 18  
MONTH TO DATE 355 343 12 343  
SINCE JUN 1 841 803 38 812  
SINCE JAN 1 2750 2372 378 2402    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 13.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 400 AM  
LOWEST 45 200 PM  
AVERAGE 60  
   
......................................................
 
 
THE HONOLULU HI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 91 1986  
1988  
MINIMUM TEMPERATURE (F) 75 67 1955  
 
SUNRISE AND SUNSET  
JULY 22 2025..........SUNRISE 601 AM HST SUNSET 715 PM HST  
JULY 23 2025..........SUNRISE 602 AM HST SUNSET 714 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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