183  
CDUS46 KSGX 180923  
CLIRAL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
223 AM PDT THU MAY 18 2023  
   
...............................
 
 
   
..THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR MAY 17 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 86 3:24 PM 103 1920 80 6 79  
2008  
MINIMUM 55 5:01 AM 40 1908 56 -1 55  
1943  
AVERAGE 71 68 3 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.15 1994 0.01 -0.01 0.00  
MONTH TO DATE 0.47 0.15 0.32 T  
SINCE JUL 1 13.58 9.30 4.28 4.99  
SINCE OCT 1 13.41 9.04 4.37 4.83  
SINCE JAN 1 9.89 6.63 3.26 0.79  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 49 26 23 15  
SINCE MAR 1 503 325 178 184  
SINCE JUL 1 1780 1378 402 1050  
 
COOLING  
YESTERDAY 6 4 2 2  
MONTH TO DATE 36 54 -18 72  
SINCE MAR 1 82 120 -38 201  
SINCE JAN 1 82 133 -51 231    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 36 3:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 103 2008  
MINIMUM TEMPERATURE (F) 56 40 1903  
 
SUNRISE AND SUNSET  
MAY 18 2023...........SUNRISE 5:46 AM PDT SUNSET 7:46 PM PDT  
MAY 19 2023...........SUNRISE 5:46 AM PDT SUNSET 7:47 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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