327  
CDUS46 KSGX 221001  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
201 AM PST FRI DEC 22 2023  
   
...............................
 
 
...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 21 2023...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1893 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 70 1:43 PM 90 1917 66 4 75  
MINIMUM 52 7:28 AM 25 1949 43 9 39  
1968  
AVERAGE 61 54 7 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.36 2010 0.04 -0.04 0.00  
MONTH TO DATE 0.30 0.94 -0.64 0.85  
SINCE JUL 1 2.81 2.09 0.72 2.52  
SINCE OCT 1 0.48 1.84 -1.36 2.35  
SINCE JAN 1 12.72 8.80 3.92 3.32  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 11 -7 8  
MONTH TO DATE 100 215 -115 270  
SINCE DEC 1 100 215 -115 270  
SINCE JUL 1 185 403 -218 479  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 2 0 2 0  
SINCE DEC 1 2 0 2 0  
SINCE JAN 1 1731 1852 -121 2391    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 3.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 AM  
LOWEST 55 2:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 85 1915  
MINIMUM TEMPERATURE (F) 43 25 1930  
 
SUNRISE AND SUNSET  
DECEMBER 22 2023......SUNRISE 6:52 AM PST SUNSET 4:45 PM PST  
DECEMBER 23 2023......SUNRISE 6:52 AM PST SUNSET 4:46 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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