732  
CDUS46 KSGX 090025  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
525 PM PDT MON SEP 08 2025  
   
...............................  
 
...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 8 2025...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 95 1:08 PM 110 2024 94 1 110  
MINIMUM 67 5:47 AM 45 1901 63 4 80  
1914  
1917  
AVERAGE 81 78 3 95  
 
PRECIPITATION (IN)  
TODAY 0.00 0.28 1982 0.01 -0.01 0.00  
MONTH TO DATE 0.00 0.03 -0.03 0.00  
SINCE JUL 1 T 0.17 -0.17 T  
SINCE OCT 1 4.34 9.29 -4.95 12.30  
SINCE JAN 1 4.29 6.88 -2.59 11.26  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 16 13 3 30  
MONTH TO DATE 145 111 34 197  
SINCE SEP 1 145 111 34 197  
SINCE JAN 1 1526 1427 99 1597    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 4.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 49 5:00 AM  
LOWEST 13 12:00 PM  
AVERAGE 31  
   
......................................................  
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 93 111 1979  
MINIMUM TEMPERATURE (F) 63 43 1911  
1917  
 
SUNRISE AND SUNSET  
SEPTEMBER 8 2025.....SUNRISE 6:29 AM PDT SUNSET 7:05 PM PDT  
SEPTEMBER 9 2025.....SUNRISE 6:29 AM PDT SUNSET 7:04 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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