923  
CDHW40 PHFO 201630 RRA  
CLIHNL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST WED SEP 20 2023  
   
...............................
 
 
   
..THE HONOLULU HI CLIMATE SUMMARY FOR SEPTEMBER 19 2023
 
 
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)  
YESTERDAY  
MAXIMUM 89 318 PM 95 1994 88 1 89  
MINIMUM 76 606 AM 68 1945 75 1 77  
AVERAGE 83 82 1 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.10 2004 0.03 -0.03 0.00  
MONTH TO DATE 0.05 0.59 -0.54 0.27  
SINCE SEP 1 0.05 0.59 -0.54 0.27  
SINCE JAN 1 9.83 10.18 -0.35 8.81  
 
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 18 16 2 18  
MONTH TO DATE 337 321 16 327  
SINCE SEP 1 337 321 16 327  
SINCE JAN 1 3636 3398 238 3536    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 13.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 600 AM  
LOWEST 52 300 PM  
AVERAGE 64  
   
......................................................
 
 
THE HONOLULU HI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 92 1986  
1987  
1995  
MINIMUM TEMPERATURE (F) 75 68 1955  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2023.....SUNRISE 620 AM HST SUNSET 630 PM HST  
SEPTEMBER 21 2023.....SUNRISE 620 AM HST SUNSET 629 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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