998  
CDUS46 KSGX 200040  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
540 PM PDT TUE AUG 19 2025  
   
...............................
 
 
...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR AUGUST 19 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 96 2:03 PM 108 1915 95 1 100  
MINIMUM 64 5:46 AM 44 1916 65 -1 63  
AVERAGE 80 80 0 82  
 
PRECIPITATION (IN)  
TODAY 0.00 0.13 1983 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.01 -0.01 T  
SINCE JUL 1 T 0.13 -0.13 T  
SINCE OCT 1 4.34 9.25 -4.91 12.30  
SINCE JAN 1 4.29 6.84 -2.55 11.26  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 2 -2 1  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 15 15 0 17  
MONTH TO DATE 274 285 -11 354  
SINCE JUN 1 917 949 -32 1186  
SINCE JAN 1 1154 1142 12 1245    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 3.2  
 
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 81 5:00 AM  
LOWEST 20 12:00 PM  
AVERAGE 51  
   
......................................................
 
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 107 1940  
MINIMUM TEMPERATURE (F) 65 46 1916  
 
SUNRISE AND SUNSET  
AUGUST 19 2025........SUNRISE 6:15 AM PDT SUNSET 7:31 PM PDT  
AUGUST 20 2025........SUNRISE 6:15 AM PDT SUNSET 7:30 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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