947  
CDUS46 KSGX 240017  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
417 PM PST TUE DEC 23 2025  
   
...............................  
 
...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 23 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 61 2:49 PM 84 1915 66 -5 73  
MINIMUM 50 6:19 AM 26 1930 43 7 45  
1990  
AVERAGE 56 54 2 59  
 
PRECIPITATION (IN)  
TODAY T 1.30 1945 0.05 -0.05 0.00  
MONTH TO DATE T 1.04 -1.04 0.00  
SINCE JUL 1 3.18 2.19 0.99 0.05  
SINCE OCT 1 3.13 1.94 1.19 0.05  
SINCE JAN 1 7.47 8.90 -1.43 11.31  
 
DEGREE DAYS  
HEATING  
TODAY 9 11 -2 6  
MONTH TO DATE 101 237 -136 130  
SINCE DEC 1 101 237 -136 130  
SINCE JUL 1 217 425 -208 300  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 10 0 10 5  
SINCE DEC 1 10 0 10 5  
SINCE JAN 1 1986 1852 134 2055    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SE (130)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 2.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 6:00 AM  
LOWEST 64 3:00 PM  
AVERAGE 82  
   
......................................................  
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 86 1919  
1950  
MINIMUM TEMPERATURE (F) 43 24 1953  
 
SUNRISE AND SUNSET  
DECEMBER 23 2025......SUNRISE 6:52 AM PST SUNSET 4:46 PM PST  
DECEMBER 24 2025......SUNRISE 6:53 AM PST SUNSET 4:47 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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