747  
CDUS46 KSGX 180952  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
252 AM PDT SAT OCT 18 2025  
   
...............................
 
 
...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 17 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 85 2:17 PM 103 1958 82 3 70  
MINIMUM 53 5:39 AM 37 1946 55 -2 61  
AVERAGE 69 69 0 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.64 1948 0.01 -0.01 0.00  
MONTH TO DATE 0.61 0.14 0.47 0.00  
SINCE JUL 1 0.66 0.39 0.27 T  
SINCE OCT 1 0.61 0.14 0.47 0.00  
SINCE JAN 1 4.95 7.10 -2.15 11.26  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 11 8 3 1  
SINCE SEP 1 11 10 1 1  
SINCE JUL 1 11 10 1 1  
 
COOLING  
YESTERDAY 4 4 0 1  
MONTH TO DATE 72 105 -33 190  
SINCE SEP 1 467 454 13 578  
SINCE JAN 1 1848 1770 78 1978    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION N (20)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 6.1  
 
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 77 12:00 AM  
LOWEST 15 3:00 PM  
AVERAGE 46  
   
......................................................
 
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 104 1921  
MINIMUM TEMPERATURE (F) 55 37 1904  
 
SUNRISE AND SUNSET  
OCTOBER 18 2025.......SUNRISE 6:58 AM PDT SUNSET 6:12 PM PDT  
OCTOBER 19 2025.......SUNRISE 6:58 AM PDT SUNSET 6:10 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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