312  
CDHW43 PHFO 190233  
CLIITO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
433 PM HST MON SEP 18 2023  
   
...............................
 
 
   
..THE HILO HI CLIMATE SUMMARY FOR SEPTEMBER 18 2023
 
 
VALID TODAY AS OF 0425 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 84 229 PM 89 1974 83 1 83  
1995  
MINIMUM 71 700 AM 62 1955 70 1 72  
AVERAGE 78 77 1 78  
 
PRECIPITATION (IN)  
TODAY 0.13 2.51 1990 0.27 -0.14 0.21  
1990  
2015  
MONTH TO DATE 2.72 5.23 -2.51 2.94  
SINCE SEP 1 2.72 5.23 -2.51 2.94  
SINCE JAN 1 79.39 80.22 -0.83 61.36  
 
SNOWFALL (IN)  
TODAY MM  
MONTH TO DATE MM  
SINCE SEP 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
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 13  
MONTH TO DATE 226 216 10 226  
SINCE SEP 1 226 216 10 226  
SINCE JAN 1 2650 2327 323 2675    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 300 AM  
LOWEST 65 1200 PM  
AVERAGE 83  
   
......................................................
 
 
THE HILO HI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 90 2014  
2020  
MINIMUM TEMPERATURE (F) 70 64 1955  
1973  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2023.....SUNRISE 608 AM HST SUNSET 620 PM HST  
SEPTEMBER 19 2023.....SUNRISE 609 AM HST SUNSET 619 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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