845  
CDUS46 KSGX 050924  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
224 AM PDT MON MAY 05 2025  
   
...............................  
 
   
..THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR MAY 4 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 59 2:23 PM 100 1987 78 -19 67  
MINIMUM 54 11:45 PM 36 1950 53 1 54  
AVERAGE 57 66 -9 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.38 0.61 1930 0.01 0.37 T  
MONTH TO DATE 0.40 0.05 0.35 T  
SINCE JUL 1 4.23 9.21 -4.98 14.51  
SINCE OCT 1 4.23 8.96 -4.73 12.18  
SINCE JAN 1 4.18 6.55 -2.37 11.14  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 2 6 4  
MONTH TO DATE 11 8 3 4  
SINCE MAR 1 339 307 32 382  
SINCE JUL 1 1145 1360 -215 1239  
 
COOLING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 1 12 -11 1  
SINCE MAR 1 49 78 -29 19  
SINCE JAN 1 63 91 -28 22    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 AM  
LOWEST 78 2:00 PM  
AVERAGE 88  
   
......................................................  
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 103 1990  
MINIMUM TEMPERATURE (F) 54 34 1950  
 
SUNRISE AND SUNSET  
MAY 5 2025...........SUNRISE 5:56 AM PDT SUNSET 7:37 PM PDT  
MAY 6 2025...........SUNRISE 5:56 AM PDT SUNSET 7:38 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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