139  
CDUS46 KSGX 190019  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
419 PM PST MON DEC 18 2023  
   
...............................
 
 
...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 18 2023...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 73 3:10 PM 89 1917 66 7 64  
MINIMUM 53 3:55 AM 29 1908 42 11 37  
1924  
AVERAGE 63 54 9 51  
 
PRECIPITATION (IN)  
TODAY T 1.42 1921 0.05 -0.05 0.00  
MONTH TO DATE T 0.80 -0.80 0.85  
SINCE JUL 1 2.51 1.95 0.56 2.52  
SINCE OCT 1 0.18 1.70 -1.52 2.35  
SINCE JAN 1 12.42 8.66 3.76 3.32  
 
DEGREE DAYS  
HEATING  
TODAY 2 11 -9 14  
MONTH TO DATE 87 182 -95 238  
SINCE DEC 1 87 182 -95 238  
SINCE JUL 1 172 370 -198 447  
 
COOLING  
TODAY 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 1 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 2.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 41 4:00 AM  
LOWEST 22 2:00 PM  
AVERAGE 32  
   
......................................................
 
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 90 1917  
MINIMUM TEMPERATURE (F) 43 26 1909  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 6:49 AM PST SUNSET 4:43 PM PST  
DECEMBER 19 2023......SUNRISE 6:50 AM PST SUNSET 4:44 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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