223  
CDUS46 KSGX 230924  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
224 AM PDT TUE SEP 23 2025  
   
...............................  
 
...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 22 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 93 2:41 PM 113 1943 90 3 91  
MINIMUM 67 5:09 AM 43 1944 61 6 57  
AVERAGE 80 75 5 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.18 2007 0.01 -0.01 0.00  
MONTH TO DATE 0.05 0.08 -0.03 T  
SINCE JUL 1 0.05 0.22 -0.17 T  
SINCE OCT 1 4.39 9.34 -4.95 12.30  
SINCE JAN 1 4.34 6.93 -2.59 11.26  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 15 10 5 9  
MONTH TO DATE 313 276 37 310  
SINCE SEP 1 313 276 37 310  
SINCE JAN 1 1694 1592 102 1710    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 3.3  
 
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 81 5:00 AM  
LOWEST 24 3:00 PM  
AVERAGE 53  
   
......................................................  
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 109 1949  
MINIMUM TEMPERATURE (F) 61 41 1941  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2025.....SUNRISE 6:39 AM PDT SUNSET 6:45 PM PDT  
SEPTEMBER 24 2025.....SUNRISE 6:40 AM PDT SUNSET 6:43 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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