751  
CDHW40 PHFO 251245  
CLIHNL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST SAT SEP 25 2021  
   
...............................
 
 
   
..THE HONOLULU HI CLIMATE SUMMARY FOR SEPTEMBER 24 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 87 135 PM 93 1966 88 -1 90  
1991  
1995  
MINIMUM 74 811 AM 68 1955 75 -1 79  
AVERAGE 81 81 0 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 0.68 1983 0.02 0.02 T  
MONTH TO DATE 0.11 0.72 -0.61 0.09  
SINCE SEP 1 0.11 0.72 -0.61 0.09  
SINCE JAN 1 9.99 10.31 -0.32 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 16 16 0 20  
MONTH TO DATE 405 401 4 427  
SINCE SEP 1 405 401 4 427  
SINCE JAN 1 3655 3478 177 3643    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 10.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 900 AM  
LOWEST 51 300 PM  
AVERAGE 70  
   
......................................................
 
 
THE HONOLULU HI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 93 1966  
1991  
MINIMUM TEMPERATURE (F) 75 69 1955  
1971  
 
SUNRISE AND SUNSET  
SEPTEMBER 25 2021.....SUNRISE 621 AM HST SUNSET 625 PM HST  
SEPTEMBER 26 2021.....SUNRISE 622 AM HST SUNSET 624 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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