794  
CDUS46 KSTO 210849  
CLIRBL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
149 AM PDT THU MAY 21 2026  
   
...............................  
 
   
..THE RED BLUFF CLIMATE SUMMARY FOR MAY 20 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1933 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 92 524 PM 104 1947 83 9 88  
MINIMUM 55 622 AM 42 1992 56 -1 54  
AVERAGE 74 69 5 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.70 1972 0.04 -0.04 0.00  
MONTH TO DATE 0.16 0.83 -0.67 0.26  
SINCE OCT 1 23.64 21.96 1.68 22.57  
SINCE JAN 1 11.96 14.15 -2.19 8.19  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 14 45 -31 11  
SINCE MAR 1 265 554 -289 261  
SINCE JUL 1 2014 2505 -491 2012  
 
COOLING  
YESTERDAY 9 6 3 6  
MONTH TO DATE 121 78 43 103  
SINCE MAR 1 174 106 68 134  
SINCE JAN 1 174 106 68 134    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 5.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 65 1100 PM  
LOWEST 15 300 PM  
AVERAGE 40  
   
......................................................  
 
THE RED BLUFF CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 104 1947  
MINIMUM TEMPERATURE (F) 56 43 1960  
 
SUNRISE AND SUNSET  
MAY 21 2026...........SUNRISE 130 PM PDT SUNSET 405 AM PDT  
MAY 22 2026...........SUNRISE 129 PM PDT SUNSET 406 AM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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