857  
CDHW43 PHFO 210228  
CLIITO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
428 PM HST SUN APR 20 2025  
   
...............................
 
 
   
..THE HILO HI CLIMATE SUMMARY FOR APRIL 20 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 80 1100 AM 89 1978 79 1 75  
MINIMUM 67 549 AM 62 1955 66 1 68  
1991  
AVERAGE 74 73 1 72  
 
PRECIPITATION (IN)  
TODAY 0.01 3.16 1971 0.30 -0.29 0.61  
MONTH TO DATE 2.07 6.64 -4.57 9.90  
SINCE MAR 1 9.61 19.32 -9.71 25.70  
SINCE JAN 1 18.95 37.40 -18.45 34.68  
 
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 9 8 1 7  
MONTH TO DATE 209 146 63 152  
SINCE MAR 1 492 358 134 373  
SINCE JAN 1 968 731 237 806    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 700 AM  
LOWEST 60 1100 AM  
AVERAGE 77  
   
......................................................
 
 
THE HILO HI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 86 1967  
2021  
MINIMUM TEMPERATURE (F) 66 59 1966  
 
SUNRISE AND SUNSET  
APRIL 20 2025.........SUNRISE 558 AM HST SUNSET 640 PM HST  
APRIL 21 2025.........SUNRISE 558 AM HST SUNSET 640 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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