527  
CDHW43 PHFO 220245  
CLIITO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
445 PM HST MON JUL 21 2025  
   
...............................
 
 
   
..THE HILO HI CLIMATE SUMMARY FOR JULY 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 83 MM 88 2015 83 0 86  
MINIMUM 69 MM 63 1955 70 -1 72  
AVERAGE 76 76 0 79  
 
PRECIPITATION (IN)  
TODAY 0.15 5.91 1987 0.33 -0.18 T  
MONTH TO DATE 3.24 5.97 -2.73 1.92  
SINCE JUN 1 8.62 13.27 -4.65 5.80  
SINCE JAN 1 33.35 60.42 -27.07 53.74  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 11 12 -1 14  
MONTH TO DATE 250 235 15 276  
SINCE JUN 1 601 543 58 622  
SINCE JAN 1 1984 1633 351 1811    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 300 AM  
LOWEST 60 1100 AM  
AVERAGE 79  
   
......................................................
 
 
THE HILO HI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 88 1986  
MINIMUM TEMPERATURE (F) 70 65 1955  
2012  
 
SUNRISE AND SUNSET  
JULY 21 2025..........SUNRISE 552 AM HST SUNSET 701 PM HST  
JULY 22 2025..........SUNRISE 553 AM HST SUNSET 701 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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