695  
CDHW40 PHFO 231245  
CLIHNL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST THU SEP 23 2021  
   
...............................
 
 
   
..THE HONOLULU HI CLIMATE SUMMARY FOR SEPTEMBER 22 2021
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1940 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 88 217 PM 93 1995 88 0 90  
MINIMUM 77 700 AM 66 1975 75 2 75  
AVERAGE 83 82 1 83  
 
PRECIPITATION (IN)  
YESTERDAY T 0.37 1964 0.03 -0.03 0.00  
MONTH TO DATE 0.07 0.67 -0.60 0.08  
SINCE SEP 1 0.07 0.67 -0.60 0.08  
SINCE JAN 1 9.95 10.26 -0.31 9.96  
 
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 372 369 3 389  
SINCE SEP 1 372 369 3 389  
SINCE JAN 1 3622 3446 176 3605    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 15.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 64 700 AM  
LOWEST 38 100 PM  
AVERAGE 51  
   
......................................................
 
 
THE HONOLULU HI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 93 1995  
MINIMUM TEMPERATURE (F) 75 67 1950  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2021.....SUNRISE 621 AM HST SUNSET 627 PM HST  
SEPTEMBER 24 2021.....SUNRISE 621 AM HST SUNSET 626 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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