481  
CDUS46 KSGX 110921  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
221 AM PDT SUN MAY 11 2025  
   
...............................  
 
   
..THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR MAY 10 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 104R 1:19 PM 103 1940 79 25 82  
MINIMUM 65 4:53 AM 35 1922 55 10 54  
AVERAGE 85 67 18 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.17 1977 0.01 -0.01 0.00  
MONTH TO DATE 0.48 0.11 0.37 0.12  
SINCE JUL 1 4.31 9.27 -4.96 14.63  
SINCE OCT 1 4.31 9.02 -4.71 12.30  
SINCE JAN 1 4.26 6.61 -2.35 11.26  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 22 19 3 14  
SINCE MAR 1 350 318 32 392  
SINCE JUL 1 1156 1371 -215 1249  
 
COOLING  
YESTERDAY 20 3 17 3  
MONTH TO DATE 47 30 17 7  
SINCE MAR 1 95 96 -1 25  
SINCE JAN 1 109 109 0 28    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 65 3:00 AM  
LOWEST 12 1:00 PM  
AVERAGE 39  
   
......................................................  
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 104 1934  
MINIMUM TEMPERATURE (F) 55 38 1905  
 
SUNRISE AND SUNSET  
MAY 11 2025...........SUNRISE 5:51 AM PDT SUNSET 7:42 PM PDT  
MAY 12 2025...........SUNRISE 5:50 AM PDT SUNSET 7:42 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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