364  
CDHW43 PHFO 211641  
CLIITO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST THU SEP 21 2023  
   
...............................
 
 
   
..THE HILO HI CLIMATE SUMMARY FOR SEPTEMBER 20 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1949 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 84 356 PM 90 1974 83 1 86  
1981  
MINIMUM 69 1151 PM 63 1976 70 -1 66  
AVERAGE 77 76 1 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.48 6.91 2015 0.28 0.20 T  
MONTH TO DATE 3.60 5.78 -2.18 3.47  
SINCE SEP 1 3.60 5.78 -2.18 3.47  
SINCE JAN 1 80.27 80.77 -0.50 61.89  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE SEP 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
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 12 12 0 11  
MONTH TO DATE 250 240 10 248  
SINCE SEP 1 250 240 10 248  
SINCE JAN 1 2674 2351 323 2697    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 800 AM  
LOWEST 65 300 PM  
AVERAGE 83  
   
......................................................
 
 
THE HILO HI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 92 1951  
MINIMUM TEMPERATURE (F) 70 62 1959  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2023.....SUNRISE 609 AM HST SUNSET 617 PM HST  
SEPTEMBER 22 2023.....SUNRISE 609 AM HST SUNSET 616 PM HST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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