462  
CDHW43 PHFO 211245  
CLIITO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST SUN MAY 21 2023  
   
...............................
 
 
   
..THE HILO HI CLIMATE SUMMARY FOR MAY 20 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1949 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 84 1225 PM 94 1966 81 3 84  
MINIMUM 68 302 AM 64 1982 68 0 71  
1999  
2001  
AVERAGE 76 74 2 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 2.66 1998 0.22 -0.19 0.00  
MONTH TO DATE 2.22 4.75 -2.53 11.98  
SINCE MAR 1 18.72 26.83 -8.11 31.96  
SINCE JAN 1 58.73 44.91 13.82 39.79  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE MAR 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 MAR 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 11 9 2 13  
MONTH TO DATE 188 173 15 198  
SINCE MAR 1 753 611 142 792  
SINCE JAN 1 1213 984 229 1309    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 300 AM  
LOWEST 67 1200 PM  
AVERAGE 82  
   
......................................................
 
 
THE HILO HI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 88 1966  
1992  
MINIMUM TEMPERATURE (F) 68 62 1957  
1981  
 
SUNRISE AND SUNSET  
MAY 21 2023...........SUNRISE 543 AM HST SUNSET 651 PM HST  
MAY 22 2023...........SUNRISE 542 AM HST SUNSET 652 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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