187  
CDUS46 KSGX 182322  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
422 PM PDT FRI APR 18 2025  
   
...............................
 
 
   
..THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR APRIL 18 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 59 2:35 PM 97 1914 76 -17 78  
MINIMUM 54 6:19 AM 33 1917 50 4 52  
AVERAGE 57 63 -6 65  
 
PRECIPITATION (IN)  
TODAY 0.00 0.55 2000 0.02 -0.02 0.00  
MONTH TO DATE T 0.40 -0.40 0.14  
SINCE JUL 1 3.74 8.97 -5.23 14.51  
SINCE OCT 1 3.74 8.72 -4.98 12.18  
SINCE JAN 1 3.69 6.31 -2.62 11.14  
 
DEGREE DAYS  
HEATING  
TODAY 8 3 5 0  
MONTH TO DATE 62 74 -12 97  
SINCE MAR 1 290 263 27 351  
SINCE JUL 1 1096 1316 -220 1208  
 
COOLING  
TODAY 0 2 -2 0  
MONTH TO DATE 33 23 10 9  
SINCE MAR 1 46 41 5 9  
SINCE JAN 1 60 54 6 12    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 3.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 4:00 AM  
LOWEST 65 2:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 100 1914  
MINIMUM TEMPERATURE (F) 50 34 1955  
 
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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