634  
CDUS46 KSGX 010920  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
220 AM PDT WED OCT 01 2025  
   
...............................  
 
...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 30 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 81 3:19 PM 108 1980 87 -6 99  
2020  
MINIMUM 63 11:59 PM 42 1915 59 4 58  
1948  
AVERAGE 72 73 -1 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.72 1921 0.00 0.00 0.00  
MONTH TO DATE 0.05 0.11 -0.06 T  
SINCE JUL 1 0.05 0.25 -0.20 T  
SINCE OCT 1 4.39 9.37 -4.98 12.30  
SINCE JAN 1 4.34 6.96 -2.62 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 7 8 -1 14  
MONTH TO DATE 395 349 46 388  
SINCE SEP 1 395 349 46 388  
SINCE JAN 1 1776 1665 111 1788    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 6:00 AM  
LOWEST 38 3:00 PM  
AVERAGE 59  
   
......................................................  
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 109 1980  
MINIMUM TEMPERATURE (F) 59 39 1930  
 
SUNRISE AND SUNSET  
OCTOBER 1 2025.......SUNRISE 6:45 AM PDT SUNSET 6:34 PM PDT  
OCTOBER 2 2025.......SUNRISE 6:45 AM PDT SUNSET 6:32 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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