777  
CDUS46 KSGX 310936  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
236 AM PDT SAT MAY 31 2025  
   
...............................
 
 
   
..THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR MAY 30 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 101R 3:29 PM 99 1910 82 19 84  
1984  
MINIMUM 61 1:53 AM 41 1906 57 4 55  
1953  
AVERAGE 81 70 11 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.05 1937 0.00 0.00 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 16 5 11 5  
MONTH TO DATE 160 110 50 34  
SINCE MAR 1 208 176 32 52  
SINCE JAN 1 222 189 33 55    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 2:00 AM  
LOWEST 18 4:00 PM  
AVERAGE 50  
   
......................................................
 
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 103 1909  
1910  
MINIMUM TEMPERATURE (F) 57 42 1911  
1961  
 
SUNRISE AND SUNSET  
MAY 31 2025...........SUNRISE 5:40 AM PDT SUNSET 7:55 PM PDT  
JUNE 1 2025..........SUNRISE 5:40 AM PDT SUNSET 7:56 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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