904  
CDUS46 KSGX 300917  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
217 AM PDT FRI MAY 30 2025  
   
...............................
 
 
   
..THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR MAY 29 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 82 3:23 PM 110 1984 82 0 81  
MINIMUM 60 12:09 AM 39 1953 57 3 56  
AVERAGE 71 70 1 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.08 1937 0.01 -0.01 0.00  
MONTH TO DATE 0.48 0.20 0.28 0.12  
SINCE JUL 1 4.31 9.36 -5.05 14.63  
SINCE OCT 1 4.31 9.11 -4.80 12.30  
SINCE JAN 1 4.26 6.70 -2.44 11.26  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 27 32 -5 22  
SINCE MAR 1 355 331 24 400  
SINCE JUL 1 1161 1384 -223 1257  
 
COOLING  
YESTERDAY 6 5 1 4  
MONTH TO DATE 133 105 28 29  
SINCE MAR 1 181 171 10 47  
SINCE JAN 1 195 184 11 50    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 5.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 3:00 AM  
LOWEST 40 3:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 99 1910  
1984  
MINIMUM TEMPERATURE (F) 57 41 1906  
1953  
 
SUNRISE AND SUNSET  
MAY 30 2025...........SUNRISE 5:40 AM PDT SUNSET 7:55 PM PDT  
MAY 31 2025...........SUNRISE 5:40 AM PDT SUNSET 7:55 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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