031  
CDHW43 PHFO 050245  
CLIITO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
445 PM HST THU SEP 04 2025  
   
...............................
 
 
   
..THE HILO/GEN.LYMAN FLD CLIMATE SUMMARY FOR SEPTEMBER 4 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 85 128 PM 89 2015 83 2 84  
2020  
MINIMUM 70 537 AM 64 1961 70 0 68  
2000  
AVERAGE 78 77 1 76  
 
PRECIPITATION (IN)  
TODAY 0.02 5.64 1992 0.32 -0.30 0.11  
MONTH TO DATE 0.02 1.27 -1.25 0.81  
SINCE SEP 1 0.02 1.27 -1.25 0.81  
SINCE JAN 1 35.40 76.26 -40.86 69.03  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 13 12 1 11  
MONTH TO DATE 52 48 4 51  
SINCE SEP 1 52 48 4 51  
SINCE JAN 1 2553 2159 394 2351    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 500 AM  
LOWEST 55 200 PM  
AVERAGE 71  
   
......................................................
 
 
THE HILO/GEN.LYMAN FLD CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 89 2015  
2020  
MINIMUM TEMPERATURE (F) 70 64 1955  
1961  
 
SUNRISE AND SUNSET  
SEPTEMBER 4 2025.....SUNRISE 1025 AM HDT SUNSET 1052 PM HDT  
SEPTEMBER 5 2025.....SUNRISE 1025 AM HDT SUNSET 1051 PM HDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab HI Page Main Text Page