497  
CDHW43 PHFO 010245  
CLIITO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
445 PM HST SUN AUG 31 2025  
   
...............................
 
 
   
..THE HILO/GEN.LYMAN FLD CLIMATE SUMMARY FOR AUGUST 31 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 84 134 PM 89 1996 83 1 86  
2015  
2019  
MINIMUM 69 553 AM 64 1970 70 -1 68  
1971  
AVERAGE 77 77 0 77  
 
PRECIPITATION (IN)  
TODAY 0.00 4.29 2016 0.35 -0.35 0.40  
MONTH TO DATE 1.52 11.30 -9.78 11.56  
SINCE JUN 1 10.65 27.84 -17.19 20.28  
SINCE JAN 1 35.38 74.99 -39.61 68.22  
 
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 12 12 0 12  
MONTH TO DATE 390 361 29 368  
SINCE JUN 1 1118 1021 97 1111  
SINCE JAN 1 2501 2111 390 2300    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 1200 AM  
LOWEST 60 200 PM  
AVERAGE 77  
   
......................................................
 
 
THE HILO/GEN.LYMAN FLD CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 92 2015  
MINIMUM TEMPERATURE (F) 70 65 1958  
1983  
 
SUNRISE AND SUNSET  
AUGUST 31 2025........SUNRISE 1024 AM HDT SUNSET 1055 PM HDT  
SEPTEMBER 1 2025.....SUNRISE 1024 AM HDT SUNSET 1054 PM HDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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