006  
CDHW43 PHFO 161245  
CLIITO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST FRI MAY 16 2025  
   
...............................
 
 
   
..THE HILO HI CLIMATE SUMMARY FOR MAY 15 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 80 357 PM 87 2020 81 -1 85  
MINIMUM 65 557 AM 63 1975 67 -2 68  
1985  
2012  
AVERAGE 73 74 -1 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.18 7.89 1989 0.23 -0.05 T  
MONTH TO DATE 2.05 3.62 -1.57 7.36  
SINCE MAR 1 12.93 25.70 -12.77 36.57  
SINCE JAN 1 22.27 43.78 -21.51 45.55  
 
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 8 9 -1 12  
MONTH TO DATE 155 128 27 138  
SINCE MAR 1 745 566 179 603  
SINCE JAN 1 1221 939 282 1036    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 700 PM  
LOWEST 67 400 PM  
AVERAGE 80  
   
......................................................
 
 
THE HILO HI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 87 1980  
MINIMUM TEMPERATURE (F) 67 63 1987  
1990  
2001  
 
SUNRISE AND SUNSET  
MAY 16 2025...........SUNRISE 544 AM HST SUNSET 649 PM HST  
MAY 17 2025...........SUNRISE 544 AM HST SUNSET 650 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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