405  
CDHW43 PHFO 021245  
CLIITO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST TUE SEP 02 2025  
   
...............................
 
 
   
..THE HILO/GEN.LYMAN FLD CLIMATE SUMMARY FOR SEPTEMBER 1 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 86 1220 PM 92 2015 83 3 85  
MINIMUM 71 1108 PM 65 1958 70 1 73  
1983  
AVERAGE 79 77 2 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.20 2003 0.32 -0.32 0.14  
MONTH TO DATE 0.00 0.32 -0.32 0.14  
SINCE SEP 1 0.00 0.32 -0.32 0.14  
SINCE JAN 1 35.38 75.31 -39.93 68.36  
 
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 14 12 2 14  
MONTH TO DATE 14 12 2 14  
SINCE SEP 1 14 12 2 14  
SINCE JAN 1 2515 2123 392 2314    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 600 AM  
LOWEST 45 200 PM  
AVERAGE 65  
   
......................................................
 
 
THE HILO/GEN.LYMAN FLD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 93 2015  
MINIMUM TEMPERATURE (F) 70 64 1956  
 
SUNRISE AND SUNSET  
SEPTEMBER 2 2025.....SUNRISE 1025 AM HDT SUNSET 1053 PM HDT  
SEPTEMBER 3 2025.....SUNRISE 1025 AM HDT SUNSET 1052 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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