542  
CDHW43 PHFO 291245  
CLIITO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST THU MAY 29 2025  
   
...............................  
 
   
..THE HILO HI CLIMATE SUMMARY FOR MAY 28 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1949 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 84 1201 PM 87 1980 81 3 83  
1992  
2007  
MINIMUM 66 614 AM 62 1972 68 -2 69  
AVERAGE 75 75 0 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.32 1987 0.20 -0.18 0.14  
MONTH TO DATE 4.31 6.38 -2.07 8.99  
SINCE MAR 1 15.19 28.46 -13.27 38.20  
SINCE JAN 1 24.53 46.54 -22.01 47.18  
 
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 10 10 0 11  
MONTH TO DATE 283 249 34 258  
SINCE MAR 1 873 687 186 723  
SINCE JAN 1 1349 1060 289 1156    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 7.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 900 PM  
LOWEST 55 1200 PM  
AVERAGE 71  
   
......................................................  
 
THE HILO HI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 89 1992  
MINIMUM TEMPERATURE (F) 68 64 1977  
1998  
2001  
 
SUNRISE AND SUNSET  
MAY 29 2025...........SUNRISE 541 AM HST SUNSET 655 PM HST  
MAY 30 2025...........SUNRISE 541 AM HST SUNSET 655 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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