680  
CDHW40 PHFO 111245  
CLIHNL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST SAT SEP 11 2021  
   
...............................
 
 
   
..THE HONOLULU HI CLIMATE SUMMARY FOR SEPTEMBER 10 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 1219 PM 92 1995 89 -1 90  
2009  
2019  
MINIMUM 73 601 AM 68 1985 75 -2 77  
AVERAGE 81 82 -1 84  
 
PRECIPITATION (IN)  
YESTERDAY T 0.25 2005 0.03 -0.03 T  
MONTH TO DATE T 0.34 -0.34 0.02  
SINCE SEP 1 T 0.34 -0.34 0.02  
SINCE JAN 1 9.88 9.93 -0.05 9.90  
 
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 16 17 -1 19  
MONTH TO DATE 169 170 -1 184  
SINCE SEP 1 169 170 -1 184  
SINCE JAN 1 3419 3247 172 3400    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 900 AM  
LOWEST 45 400 PM  
AVERAGE 64  
   
......................................................
 
 
THE HONOLULU HI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 92 1979  
1984  
2019  
MINIMUM TEMPERATURE (F) 75 68 1985  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2021.....SUNRISE 618 AM HST SUNSET 638 PM HST  
SEPTEMBER 12 2021.....SUNRISE 618 AM HST SUNSET 637 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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