419  
CDUS46 KSGX 180926  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
226 AM PDT FRI APR 18 2025  
   
...............................  
 
   
..THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR APRIL 17 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 61 10:41 AM 95 1954 76 -15 83  
1999  
MINIMUM 53 4:32 AM 34 1894 50 3 50  
1920  
AVERAGE 57 63 -6 67  
 
PRECIPITATION (IN)  
YESTERDAY T 0.54 1963 0.02 -0.02 0.00  
MONTH TO DATE T 0.38 -0.38 0.14  
SINCE JUL 1 3.74 8.95 -5.21 14.51  
SINCE OCT 1 3.74 8.70 -4.96 12.18  
SINCE JAN 1 3.69 6.29 -2.60 11.14  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 4 4 0  
MONTH TO DATE 54 71 -17 97  
SINCE MAR 1 282 260 22 351  
SINCE JUL 1 1088 1313 -225 1208  
 
COOLING  
YESTERDAY 0 2 -2 2  
MONTH TO DATE 33 21 12 9  
SINCE MAR 1 46 39 7 9  
SINCE JAN 1 60 52 8 12    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 1:00 AM  
LOWEST 53 11:00 AM  
AVERAGE 67  
   
......................................................  
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 97 1914  
MINIMUM TEMPERATURE (F) 50 33 1917  
 
SUNRISE AND SUNSET  
APRIL 18 2025.........SUNRISE 6:15 AM PDT SUNSET 7:24 PM PDT  
APRIL 19 2025.........SUNRISE 6:14 AM PDT SUNSET 7:25 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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