841  
CDUS46 KSGX 040957  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
257 AM PDT THU SEP 04 2025  
   
...............................
 
 
...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 3 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 100 1:33 PM 112 1955 94 6 104  
2007  
MINIMUM 71 6:02 AM 45 1916 64 7 68  
AVERAGE 86 79 7 86  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.22 2017 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.01 -0.01 0.00  
SINCE JUL 1 T 0.15 -0.15 T  
SINCE OCT 1 4.34 9.27 -4.93 12.30  
SINCE JAN 1 4.29 6.86 -2.57 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 21 14 7 21  
MONTH TO DATE 60 42 18 57  
SINCE SEP 1 60 42 18 57  
SINCE JAN 1 1441 1358 83 1457    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED MM RESULTANT WIND DIRECTION MM  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER MM  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 94 111 2007  
MINIMUM TEMPERATURE (F) 64 42 1912  
 
SUNRISE AND SUNSET  
SEPTEMBER 4 2025.....SUNRISE 6:26 AM PDT SUNSET 7:11 PM PDT  
SEPTEMBER 5 2025.....SUNRISE 6:26 AM PDT SUNSET 7:10 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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