771  
CDHW43 PHFO 101245  
CLIITO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST WED SEP 10 2025  
   
...............................
 
 
   
..THE HILO/GEN.LYMAN FLD CLIMATE SUMMARY FOR SEPTEMBER 9 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 1218 PM 92 2015 83 2 85  
MINIMUM 71 724 AM 63 1955 70 1 69  
AVERAGE 78 77 1 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.26 1.20 1966 0.29 -0.03 0.00  
1993  
MONTH TO DATE 0.29 2.78 -2.49 0.91  
SINCE SEP 1 0.29 2.78 -2.49 0.91  
SINCE JAN 1 35.67 77.77 -42.10 69.13  
 
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 12 1 12  
MONTH TO DATE 121 108 13 110  
SINCE SEP 1 121 108 13 110  
SINCE JAN 1 2622 2219 403 2410    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 5.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 500 AM  
LOWEST 63 100 PM  
AVERAGE 80  
   
......................................................
 
 
THE HILO/GEN.LYMAN FLD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 90 1992  
2015  
MINIMUM TEMPERATURE (F) 70 62 1955  
 
SUNRISE AND SUNSET  
SEPTEMBER 10 2025.....SUNRISE 1026 AM HDT SUNSET 1046 PM HDT  
SEPTEMBER 11 2025.....SUNRISE 1027 AM HDT SUNSET 1045 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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