653  
CDHW43 PHFO 201245  
CLIITO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST SAT MAY 20 2023  
   
...............................
 
 
   
..THE HILO HI CLIMATE SUMMARY FOR MAY 19 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 82 129 PM 87 1967 81 1 84  
1980  
2019  
MINIMUM 70 1126 PM 62 1972 67 3 72  
AVERAGE 76 74 2 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.22 2.47 1998 0.22 0.00 T  
MONTH TO DATE 2.19 4.53 -2.34 11.98  
SINCE MAR 1 18.69 26.61 -7.92 31.96  
SINCE JAN 1 58.70 44.69 14.01 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 177 164 13 185  
SINCE MAR 1 742 602 140 779  
SINCE JAN 1 1202 975 227 1296    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 900 PM  
LOWEST 74 100 PM  
AVERAGE 86  
   
......................................................
 
 
THE HILO HI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 94 1966  
MINIMUM TEMPERATURE (F) 68 64 1982  
1999  
2001  
 
SUNRISE AND SUNSET  
MAY 20 2023...........SUNRISE 543 AM HST SUNSET 651 PM HST  
MAY 21 2023...........SUNRISE 543 AM HST SUNSET 651 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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