146  
CDUS46 KSGX 120018  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
418 PM PST THU DEC 11 2025  
   
...............................  
 
...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 11 2025...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 84 2:04 PM 90 1958 67 17 73  
MINIMUM 52 5:45 AM 23 1949 43 9 45  
AVERAGE 68 55 13 59  
 
PRECIPITATION (IN)  
TODAY 0.00 3.28 1943 0.05 -0.05 0.00  
MONTH TO DATE 0.00 0.46 -0.46 0.00  
SINCE JUL 1 3.18 1.61 1.57 0.05  
SINCE OCT 1 3.13 1.36 1.77 0.05  
SINCE JAN 1 7.47 8.32 -0.85 11.31  
 
DEGREE DAYS  
HEATING  
TODAY 0 10 -10 6  
MONTH TO DATE 52 106 -54 53  
SINCE DEC 1 52 106 -54 53  
SINCE JUL 1 168 294 -126 223  
 
COOLING  
TODAY 3 0 3 0  
MONTH TO DATE 10 0 10 0  
SINCE DEC 1 10 0 10 0  
SINCE JAN 1 1986 1852 134 2050    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 59 5:00 AM  
LOWEST 23 2:00 PM  
AVERAGE 41  
   
......................................................  
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 88 1988  
MINIMUM TEMPERATURE (F) 43 21 1949  
 
SUNRISE AND SUNSET  
DECEMBER 11 2025......SUNRISE 6:45 AM PST SUNSET 4:41 PM PST  
DECEMBER 12 2025......SUNRISE 6:46 AM PST SUNSET 4:42 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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