168  
CDUS46 KSGX 010929  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
229 AM PDT MON SEP 01 2025  
   
...............................
 
 
...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR AUGUST 31 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 102 2:23 PM 112 2017 95 7 96  
MINIMUM 68 5:54 AM 46 1901 64 4 62  
1933  
AVERAGE 85 79 6 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.24 2017 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 20 14 6 14  
MONTH TO DATE 501 459 42 509  
SINCE JUN 1 1144 1123 21 1341  
SINCE JAN 1 1381 1316 65 1400    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 4.1  
 
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 68 6:00 AM  
LOWEST 20 2:00 PM  
AVERAGE 44  
   
......................................................
 
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 112 2017  
MINIMUM TEMPERATURE (F) 64 46 1917  
1941  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2025.....SUNRISE 6:24 AM PDT SUNSET 7:15 PM PDT  
SEPTEMBER 2 2025.....SUNRISE 6:24 AM PDT SUNSET 7:14 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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