045  
CDUS46 KSGX 160928  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
228 AM PDT THU OCT 16 2025  
   
...............................
 
 
...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 15 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 69 3:24 PM 101 1958 83 -14 77  
1961  
2020  
MINIMUM 53 11:59 PM 37 1920 56 -3 58  
AVERAGE 61 69 -8 68  
 
PRECIPITATION (IN)  
YESTERDAY T 0.45 1938 0.01 -0.01 0.00  
MONTH TO DATE 0.61 0.12 0.49 0.00  
SINCE JUL 1 0.66 0.37 0.29 T  
SINCE OCT 1 0.61 0.12 0.49 0.00  
SINCE JAN 1 4.95 7.08 -2.13 11.26  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 1 3 0  
MONTH TO DATE 11 6 5 0  
SINCE SEP 1 11 8 3 0  
SINCE JUL 1 11 8 3 0  
 
COOLING  
YESTERDAY 0 5 -5 3  
MONTH TO DATE 68 96 -28 189  
SINCE SEP 1 463 445 18 577  
SINCE JAN 1 1844 1761 83 1977    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 3.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1:00 AM  
LOWEST 40 3:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 105 1958  
MINIMUM TEMPERATURE (F) 55 38 1920  
 
SUNRISE AND SUNSET  
OCTOBER 16 2025.......SUNRISE 6:56 AM PDT SUNSET 6:14 PM PDT  
OCTOBER 17 2025.......SUNRISE 6:57 AM PDT SUNSET 6:13 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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