551  
CDHW40 PHFO 291245  
CLIHNL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST WED SEP 29 2021  
   
...............................
 
 
   
..THE HONOLULU HI CLIMATE SUMMARY FOR SEPTEMBER 28 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 88 234 PM 91 1988 88 0 90  
1995  
1997  
MINIMUM 75 601 AM 69 1950 75 0 75  
1975  
1977  
AVERAGE 82 81 1 83  
 
PRECIPITATION (IN)  
YESTERDAY T 0.60 1948 0.03 -0.03 T  
MONTH TO DATE 0.12 0.83 -0.71 0.10  
SINCE SEP 1 0.12 0.83 -0.71 0.10  
SINCE JAN 1 10.00 10.42 -0.42 9.98  
 
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 474 465 9 498  
SINCE SEP 1 474 465 9 498  
SINCE JAN 1 3724 3542 182 3714    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 13.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 600 AM  
LOWEST 50 200 PM  
AVERAGE 60  
   
......................................................
 
 
THE HONOLULU HI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 93 1993  
2020  
MINIMUM TEMPERATURE (F) 75 66 1975  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2021.....SUNRISE 622 AM HST SUNSET 621 PM HST  
SEPTEMBER 30 2021.....SUNRISE 623 AM HST SUNSET 620 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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