931  
CDUS46 KSGX 310920  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
220 AM PDT SUN AUG 31 2025  
   
...............................
 
 
...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR AUGUST 30 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 99 1:25 PM 111 1998 95 4 90  
MINIMUM 67 4:27 AM 45 1947 64 3 61  
AVERAGE 83 80 3 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.20 1909 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.02 -0.02 T  
SINCE JUL 1 T 0.14 -0.14 T  
SINCE OCT 1 4.34 9.26 -4.92 12.30  
SINCE JAN 1 4.29 6.85 -2.56 11.26  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 2 -2 1  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 18 14 4 11  
MONTH TO DATE 481 448 33 495  
SINCE JUN 1 1124 1112 12 1327  
SINCE JAN 1 1361 1305 56 1386    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 5.4  
 
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 50 4:00 AM  
LOWEST 18 1:00 PM  
AVERAGE 34  
   
......................................................
 
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 112 2017  
MINIMUM TEMPERATURE (F) 64 46 1901  
1933  
 
SUNRISE AND SUNSET  
AUGUST 31 2025........SUNRISE 6:23 AM PDT SUNSET 7:16 PM PDT  
SEPTEMBER 1 2025.....SUNRISE 6:24 AM PDT SUNSET 7:15 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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