626  
CDHW40 PHFO 180230  
CLIHNL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
430 PM HST SUN SEP 17 2023  
   
...............................
 
 
   
..THE HONOLULU HI CLIMATE SUMMARY FOR SEPTEMBER 17 2023
 
 
VALID TODAY AS OF 0425 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1940 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 89 1115 AM 92 1987 88 1 90  
1995  
MINIMUM 77 638 AM 70 1954 75 2 74  
1971  
1974  
AVERAGE 83 82 1 82  
 
PRECIPITATION (IN)  
TODAY 0.00 1.35 1963 0.03 -0.03 0.00  
MONTH TO DATE 0.05 0.54 -0.49 0.26  
SINCE SEP 1 0.05 0.54 -0.49 0.26  
SINCE JAN 1 9.83 10.13 -0.30 8.80  
 
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 18 17 1 17  
MONTH TO DATE 301 289 12 292  
SINCE SEP 1 301 289 12 292  
SINCE JAN 1 3600 3366 234 3501    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 13.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 300 AM  
LOWEST 53 1100 AM  
AVERAGE 64  
   
......................................................
 
 
THE HONOLULU HI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 92 1985  
1995  
MINIMUM TEMPERATURE (F) 75 68 1979  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2023.....SUNRISE 619 AM HST SUNSET 633 PM HST  
SEPTEMBER 18 2023.....SUNRISE 619 AM HST SUNSET 632 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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