204  
CDUS46 KSGX 260923  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
223 AM PDT FRI SEP 26 2025  
   
...............................  
 
...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 25 2025...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1893 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 85 2:02 PM 108 1921 89 -4 87  
2010  
MINIMUM 64 11:09 PM 41 1934 60 4 59  
AVERAGE 75 74 1 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.50 1997 0.01 -0.01 0.00  
MONTH TO DATE 0.05 0.09 -0.04 T  
SINCE JUL 1 0.05 0.23 -0.18 T  
SINCE OCT 1 4.39 9.35 -4.96 12.30  
SINCE JAN 1 4.34 6.94 -2.60 11.26  
 
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 10 10 0 8  
MONTH TO DATE 358 306 52 341  
SINCE SEP 1 358 306 52 341  
SINCE JAN 1 1739 1622 117 1741    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 6.6  
 
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 11:00 PM  
LOWEST 37 1:00 PM  
AVERAGE 62  
   
......................................................  
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 110 1921  
2010  
MINIMUM TEMPERATURE (F) 60 39 1948  
 
SUNRISE AND SUNSET  
SEPTEMBER 26 2025.....SUNRISE 6:41 AM PDT SUNSET 6:40 PM PDT  
SEPTEMBER 27 2025.....SUNRISE 6:42 AM PDT SUNSET 6:39 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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