527  
CDHW43 PHFO 301245  
CLIITO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST TUE SEP 30 2025  
   
...............................
 
 
   
..THE HILO/GEN.LYMAN FLD CLIMATE SUMMARY FOR SEPTEMBER 29 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 85 250 PM 89 1974 83 2 84  
2014  
2019  
MINIMUM 70 409 AM 64 1955 70 0 69  
AVERAGE 78 76 2 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 3.09 1963 0.30 -0.28 0.02  
MONTH TO DATE 2.76 8.42 -5.66 6.74  
SINCE SEP 1 2.76 8.42 -5.66 6.74  
SINCE JAN 1 38.14 83.41 -45.27 74.96  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 13 11 2 12  
MONTH TO DATE 366 345 21 354  
SINCE SEP 1 366 345 21 354  
SINCE JAN 1 2867 2456 411 2654    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 900 PM  
LOWEST 53 300 PM  
AVERAGE 69  
   
......................................................
 
 
THE HILO/GEN.LYMAN FLD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 88 1976  
2018  
2020  
MINIMUM TEMPERATURE (F) 70 61 1970  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2025.....SUNRISE 1030 AM HDT SUNSET 1028 PM HDT  
OCTOBER 1 2025.......SUNRISE 1031 AM HDT SUNSET 1027 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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