095  
CDHW40 PHFO 130233  
CLIHNL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
433 PM HST SUN SEP 12 2021  
   
...............................
 
 
   
..THE HONOLULU HI CLIMATE SUMMARY FOR SEPTEMBER 12 2021
 
 
VALID TODAY AS OF 0425 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 88 1235 PM 92 2019 89 -1 89  
MINIMUM 74 424 AM 66 1985 75 -1 74  
AVERAGE 81 82 -1 82  
 
PRECIPITATION (IN)  
TODAY 0.02 0.95 2015 0.03 -0.01 0.03  
MONTH TO DATE 0.02 0.40 -0.38 0.05  
SINCE SEP 1 0.02 0.40 -0.38 0.05  
SINCE JAN 1 9.90 9.99 -0.09 9.93  
 
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 16 17 -1 17  
MONTH TO DATE 202 204 -2 219  
SINCE SEP 1 202 204 -2 219  
SINCE JAN 1 3452 3281 171 3435    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 10.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 500 AM  
LOWEST 45 1200 PM  
AVERAGE 62  
   
......................................................
 
 
THE HONOLULU HI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 92 1997  
MINIMUM TEMPERATURE (F) 75 68 1973  
1985  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2021.....SUNRISE 618 AM HST SUNSET 637 PM HST  
SEPTEMBER 13 2021.....SUNRISE 618 AM HST SUNSET 636 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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