130  
CDHW40 PHFO 241245  
CLIHNL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST FRI SEP 24 2021  
   
...............................
 
 
   
..THE HONOLULU HI CLIMATE SUMMARY FOR SEPTEMBER 23 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 88 158 PM 93 1995 88 0 90  
MINIMUM 75 605 AM 67 1950 75 0 76  
AVERAGE 82 81 1 83  
 
PRECIPITATION (IN)  
YESTERDAY T 0.78 1985 0.03 -0.03 0.01  
MONTH TO DATE 0.07 0.70 -0.63 0.09  
SINCE SEP 1 0.07 0.70 -0.63 0.09  
SINCE JAN 1 9.95 10.29 -0.34 9.97  
 
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 17 16 1 18  
MONTH TO DATE 389 385 4 407  
SINCE SEP 1 389 385 4 407  
SINCE JAN 1 3639 3462 177 3623    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 13.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 1100 PM  
LOWEST 50 1200 PM  
AVERAGE 62  
   
......................................................
 
 
THE HONOLULU HI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 93 1966  
1991  
1995  
MINIMUM TEMPERATURE (F) 75 68 1955  
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2021.....SUNRISE 621 AM HST SUNSET 626 PM HST  
SEPTEMBER 25 2021.....SUNRISE 621 AM HST SUNSET 625 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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