568  
CDUS46 KSGX 130930  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
230 AM PDT TUE MAY 13 2025  
   
...............................
 
 
   
..THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR MAY 12 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1893 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 79 2:37 PM 103 1927 79 0 82  
2013  
MINIMUM 56 3:39 AM 37 1953 55 1 54  
AVERAGE 68 67 1 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.82 1998 0.01 -0.01 0.00  
MONTH TO DATE 0.48 0.12 0.36 0.12  
SINCE JUL 1 4.31 9.28 -4.97 14.63  
SINCE OCT 1 4.31 9.03 -4.72 12.30  
SINCE JAN 1 4.26 6.62 -2.36 11.26  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 22 21 1 14  
SINCE MAR 1 350 320 30 392  
SINCE JUL 1 1156 1373 -217 1249  
 
COOLING  
YESTERDAY 3 3 0 3  
MONTH TO DATE 65 36 29 14  
SINCE MAR 1 113 102 11 32  
SINCE JAN 1 127 115 12 35    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 4:00 AM  
LOWEST 33 3:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 109 1927  
MINIMUM TEMPERATURE (F) 55 39 1953  
 
SUNRISE AND SUNSET  
MAY 13 2025...........SUNRISE 5:50 AM PDT SUNSET 7:43 PM PDT  
MAY 14 2025...........SUNRISE 5:49 AM PDT SUNSET 7:44 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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