203  
CDUS46 KSGX 200923  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
223 AM PDT WED SEP 20 2023  
   
...............................
 
 
...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 19 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 82 3:45 PM 106 1939 91 -9 85  
MINIMUM 56 5:52 AM 42 1925 62 -6 59  
AVERAGE 69 76 -7 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.65 1963 0.00 0.00 0.00  
MONTH TO DATE 0.31 0.06 0.25 0.14  
SINCE JUL 1 2.33 0.20 2.13 0.17  
SINCE OCT 1 15.76 9.32 6.44 5.01  
SINCE JAN 1 12.24 6.91 5.33 0.97  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 4 11 -7 7  
MONTH TO DATE 198 245 -47 342  
SINCE SEP 1 198 245 -47 342  
SINCE JAN 1 1433 1561 -128 2025    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 5.3  
 
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 87 4:00 AM  
LOWEST 45 2:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 106 1943  
2015  
MINIMUM TEMPERATURE (F) 61 44 1925  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2023.....SUNRISE 6:36 AM PDT SUNSET 6:49 PM PDT  
SEPTEMBER 21 2023.....SUNRISE 6:37 AM PDT SUNSET 6:48 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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