517  
CDUS46 KSGX 180929  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
129 AM PST MON DEC 18 2023  
   
...............................
 
 
...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 17 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 80 1:59 PM 87 1958 66 14 65  
2013  
MINIMUM 49 6:43 AM 27 1916 43 6 39  
AVERAGE 65 54 11 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.85 1940 0.05 -0.05 0.00  
MONTH TO DATE 0.00 0.75 -0.75 0.85  
SINCE JUL 1 2.51 1.90 0.61 2.52  
SINCE OCT 1 0.18 1.65 -1.47 2.35  
SINCE JAN 1 12.42 8.61 3.81 3.32  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 11 -11 13  
MONTH TO DATE 85 171 -86 224  
SINCE DEC 1 85 171 -86 224  
SINCE JUL 1 170 359 -189 433  
 
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 3 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 39 1:00 AM  
LOWEST 12 2:00 PM  
AVERAGE 26  
   
......................................................
 
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 89 1917  
MINIMUM TEMPERATURE (F) 42 29 1908  
1924  
 
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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