319  
CDUS46 KSGX 260936  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
236 AM PDT MON MAY 26 2025  
   
...............................
 
 
   
..THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR MAY 25 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 80 2:54 PM 102 1974 81 -1 73  
MINIMUM 57 12:21 AM 35 1916 57 0 54  
AVERAGE 69 69 0 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.22 1931 0.00 0.00 0.00  
MONTH TO DATE 0.48 0.18 0.30 0.12  
SINCE JUL 1 4.31 9.34 -5.03 14.63  
SINCE OCT 1 4.31 9.09 -4.78 12.30  
SINCE JAN 1 4.26 6.68 -2.42 11.26  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 1  
MONTH TO DATE 27 32 -5 21  
SINCE MAR 1 355 331 24 399  
SINCE JUL 1 1161 1384 -223 1256  
 
COOLING  
YESTERDAY 4 4 0 0  
MONTH TO DATE 123 86 37 20  
SINCE MAR 1 171 152 19 38  
SINCE JAN 1 185 165 20 41    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 5.7  
 
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 81 12:00 AM  
LOWEST 39 3:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 101 1968  
MINIMUM TEMPERATURE (F) 57 37 1953  
 
SUNRISE AND SUNSET  
MAY 26 2025...........SUNRISE 5:42 AM PDT SUNSET 7:52 PM PDT  
MAY 27 2025...........SUNRISE 5:41 AM PDT SUNSET 7:53 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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