302  
CDUS46 KSGX 010942  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
242 AM PDT SUN JUN 01 2025  
   
...............................  
 
   
..THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR MAY 31 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 98 1:48 PM 103 1909 83 15 81  
1910  
MINIMUM 62 5:23 AM 42 1911 57 5 56  
1961  
AVERAGE 80 70 10 69  
 
PRECIPITATION (IN)  
YESTERDAY T 0.15 1936 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 15 5 10 4  
MONTH TO DATE 175 114 61 38  
SINCE MAR 1 223 180 43 56  
SINCE JAN 1 237 193 44 59    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 4:00 AM  
LOWEST 20 2:00 PM  
AVERAGE 52  
   
......................................................  
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 104 1909  
1970  
MINIMUM TEMPERATURE (F) 57 40 1902  
 
SUNRISE AND SUNSET  
JUNE 1 2025..........SUNRISE 5:40 AM PDT SUNSET 7:56 PM PDT  
JUNE 2 2025..........SUNRISE 5:39 AM PDT SUNSET 7:57 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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