224  
CDHW43 PHFO 220226  
CLIITO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
426 PM HST MON APR 21 2025  
   
...............................
 
 
   
..THE HILO HI CLIMATE SUMMARY FOR APRIL 21 2025
 
 
VALID TODAY AS OF 0425 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 84 1252 PM 86 1967 79 5 78  
2021  
MINIMUM 66 421 AM 59 1966 66 0 67  
AVERAGE 75 73 2 73  
 
PRECIPITATION (IN)  
TODAY 0.01 7.20 1970 0.29 -0.28 0.87  
MONTH TO DATE 2.14 6.93 -4.79 10.77  
SINCE MAR 1 9.68 19.61 -9.93 26.57  
SINCE JAN 1 19.02 37.69 -18.67 35.55  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 10 8 2 8  
MONTH TO DATE 219 154 65 160  
SINCE MAR 1 502 366 136 381  
SINCE JAN 1 978 739 239 814    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 1200 AM  
LOWEST 57 100 PM  
AVERAGE 69  
   
......................................................
 
 
THE HILO HI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 86 2013  
MINIMUM TEMPERATURE (F) 66 68 2024  
 
SUNRISE AND SUNSET  
APRIL 21 2025.........SUNRISE 558 AM HST SUNSET 640 PM HST  
APRIL 22 2025.........SUNRISE 557 AM HST SUNSET 641 PM HST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab HI Page Main Text Page