604  
CDUS46 KSGX 120931  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
231 AM PDT FRI MAY 12 2023  
   
...............................
 
 
   
..THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR MAY 11 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1893 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 74 4:22 PM 104 1934 79 -5 72  
MINIMUM 52 3:51 AM 38 1905 55 -3 45  
AVERAGE 63 67 -4 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.33 1957 0.00 0.00 T  
MONTH TO DATE 0.47 0.11 0.36 T  
SINCE JUL 1 13.58 9.26 4.32 4.99  
SINCE OCT 1 13.41 9.00 4.41 4.83  
SINCE JAN 1 9.89 6.59 3.30 0.79  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 1 1 6  
MONTH TO DATE 49 20 29 15  
SINCE MAR 1 503 319 184 184  
SINCE JUL 1 1780 1372 408 1050  
 
COOLING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 0 33 -33 29  
SINCE MAR 1 46 99 -53 158  
SINCE JAN 1 46 112 -66 188    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 5.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 3:00 AM  
LOWEST 42 3:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 103 1927  
2013  
MINIMUM TEMPERATURE (F) 55 37 1953  
 
SUNRISE AND SUNSET  
MAY 12 2023...........SUNRISE 5:51 AM PDT SUNSET 7:42 PM PDT  
MAY 13 2023...........SUNRISE 5:50 AM PDT SUNSET 7:43 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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