014  
CDUS46 KSGX 211100  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
300 AM PST THU DEC 21 2023  
   
...............................  
 
...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 20 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 69 12:54 PM 87 1939 66 3 67  
MINIMUM 53 4:26 AM 27 1948 43 10 40  
AVERAGE 61 54 7 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.22 2.04 1921 0.05 0.17 0.00  
MONTH TO DATE 0.30 0.90 -0.60 0.85  
SINCE JUL 1 2.81 2.05 0.76 2.52  
SINCE OCT 1 0.48 1.80 -1.32 2.35  
SINCE JAN 1 12.72 8.76 3.96 3.32  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 11 -7 11  
MONTH TO DATE 96 204 -108 262  
SINCE DEC 1 96 204 -108 262  
SINCE JUL 1 181 392 -211 471  
 
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 1 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 4.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 9:00 PM  
LOWEST 57 12:00 PM  
AVERAGE 79  
   
......................................................  
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 90 1917  
MINIMUM TEMPERATURE (F) 43 25 1949  
1968  
 
SUNRISE AND SUNSET  
DECEMBER 21 2023......SUNRISE 6:51 AM PST SUNSET 4:45 PM PST  
DECEMBER 22 2023......SUNRISE 6:52 AM PST SUNSET 4:45 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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