451  
CDUS46 KSGX 010919  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
219 AM PDT THU JUN 01 2023  
   
...............................
 
 
   
..THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR MAY 31 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1893 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 66 12:23 PM 103 1909 83 -17 83  
1910  
MINIMUM 56 6:27 AM 42 1911 57 -1 55  
1961  
AVERAGE 61 70 -9 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.15 1936 0.00 0.00 0.00  
MONTH TO DATE 0.47 0.20 0.27 T  
SINCE JUL 1 13.58 9.35 4.23 4.99  
SINCE OCT 1 13.41 9.09 4.32 4.83  
SINCE JAN 1 9.89 6.68 3.21 0.79  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 0 4 0  
MONTH TO DATE 58 32 26 21  
SINCE MAR 1 512 331 181 190  
SINCE JUL 1 1789 1384 405 1056  
 
COOLING  
YESTERDAY 0 5 -5 4  
MONTH TO DATE 62 114 -52 121  
SINCE MAR 1 108 180 -72 250  
SINCE JAN 1 108 193 -85 280    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 1:00 AM  
LOWEST 58 10:00 AM  
AVERAGE 69  
   
......................................................
 
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 104 1909  
1970  
MINIMUM TEMPERATURE (F) 57 40 1902  
 
SUNRISE AND SUNSET  
JUNE 1 2023..........SUNRISE 5:40 AM PDT SUNSET 7:56 PM PDT  
JUNE 2 2023..........SUNRISE 5:40 AM PDT SUNSET 7:56 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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