586  
CDHW40 PHFO 171245  
CLIHNL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST THU APR 17 2025  
   
...............................  
 
   
..THE HONOLULU HI CLIMATE SUMMARY FOR APRIL 16 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 84 1225 PM 88 1988 83 1 80  
MINIMUM 71 611 AM 62 1965 70 1 66  
AVERAGE 78 77 1 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.07 1968 0.02 -0.02 T  
MONTH TO DATE 0.10 0.50 -0.40 1.40  
SINCE MAR 1 1.42 2.86 -1.44 1.63  
SINCE JAN 1 7.44 6.64 0.80 4.57  
 
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 13 12 1 8  
MONTH TO DATE 238 181 57 176  
SINCE MAR 1 642 480 162 504  
SINCE JAN 1 1252 994 258 1025    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 600 AM  
LOWEST 57 100 PM  
AVERAGE 70  
   
......................................................  
 
THE HONOLULU HI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 88 1988  
MINIMUM TEMPERATURE (F) 70 63 1942  
1946  
 
SUNRISE AND SUNSET  
APRIL 17 2025.........SUNRISE 611 AM HST SUNSET 652 PM HST  
APRIL 18 2025.........SUNRISE 610 AM HST SUNSET 652 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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