171  
CDHW40 PHFO 181634  
CLIHNL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST TUE JUL 18 2023  
   
...............................
 
 
   
..THE HONOLULU HI CLIMATE SUMMARY FOR JULY 17 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1940 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 89 239 PM 91 1995 88 1 88  
2019  
MINIMUM 77 637 AM 67 1981 75 2 78  
AVERAGE 83 82 1 83  
 
PRECIPITATION (IN)  
YESTERDAY T 0.28 1999 0.02 -0.02 T  
MONTH TO DATE 0.16 0.28 -0.12 0.20  
SINCE JUN 1 0.55 0.78 -0.23 0.21  
SINCE JAN 1 9.63 8.51 1.12 8.43  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE JUN 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 JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 18 17 1 18  
MONTH TO DATE 276 275 1 274  
SINCE JUN 1 752 735 17 736  
SINCE JAN 1 2495 2304 191 2455    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 12.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 400 AM  
LOWEST 51 100 PM  
AVERAGE 64  
   
......................................................
 
 
THE HONOLULU HI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 91 1985  
1987  
2020  
MINIMUM TEMPERATURE (F) 75 69 1981  
 
SUNRISE AND SUNSET  
JULY 18 2023..........SUNRISE 600 AM HST SUNSET 716 PM HST  
JULY 19 2023..........SUNRISE 600 AM HST SUNSET 716 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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