581  
CDHW43 PHFO 161637  
CLIITO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST SAT SEP 16 2023  
   
...............................
 
 
   
..THE HILO HI CLIMATE SUMMARY FOR SEPTEMBER 15 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 86 108 PM 90 1972 83 3 79  
2019  
MINIMUM 70 651 AM 63 2009 70 0 71  
AVERAGE 78 77 1 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 5.93 2005 0.26 -0.21 0.19  
MONTH TO DATE 1.72 4.42 -2.70 2.60  
SINCE SEP 1 1.72 4.42 -2.70 2.60  
SINCE JAN 1 78.39 79.41 -1.02 61.02  
 
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 13 12 1 10  
MONTH TO DATE 186 180 6 188  
SINCE SEP 1 186 180 6 188  
SINCE JAN 1 2610 2291 319 2637    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1200 AM  
LOWEST 61 1200 PM  
AVERAGE 79  
   
......................................................
 
 
THE HILO HI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 89 1971  
1995  
2007  
MINIMUM TEMPERATURE (F) 70 63 1961  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2023.....SUNRISE 608 AM HST SUNSET 622 PM HST  
SEPTEMBER 17 2023.....SUNRISE 608 AM HST SUNSET 621 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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