412  
CDHW40 PHFO 141245  
CLIHNL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST TUE SEP 14 2021  
   
...............................
 
 
   
..THE HONOLULU HI CLIMATE SUMMARY FOR SEPTEMBER 13 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 88 104 PM 92 1997 89 -1 88  
MINIMUM 75 612 AM 68 1973 75 0 75  
1985  
AVERAGE 82 82 0 82  
 
PRECIPITATION (IN)  
YESTERDAY T 1.09 2016 0.03 -0.03 0.00  
MONTH TO DATE 0.02 0.43 -0.41 0.05  
SINCE SEP 1 0.02 0.43 -0.41 0.05  
SINCE JAN 1 9.90 10.02 -0.12 9.93  
 
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 17 0 17  
MONTH TO DATE 219 221 -2 236  
SINCE SEP 1 219 221 -2 236  
SINCE JAN 1 3469 3298 171 3452    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 10.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 100 AM  
LOWEST 46 1200 PM  
AVERAGE 59  
   
......................................................
 
 
THE HONOLULU HI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 1985  
MINIMUM TEMPERATURE (F) 75 68 1971  
1975  
 
SUNRISE AND SUNSET  
SEPTEMBER 14 2021.....SUNRISE 619 AM HST SUNSET 635 PM HST  
SEPTEMBER 15 2021.....SUNRISE 619 AM HST SUNSET 634 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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