003  
CDUS46 KSTO 220028  
CLIRBL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
528 PM PDT THU MAY 21 2026  
   
...............................
 
 
   
..THE RED BLUFF CLIMATE SUMMARY FOR MAY 21 2026
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 94 459 PM 104 1947 83 11 92  
MINIMUM 59 610 AM 43 1960 56 3 60  
AVERAGE 77 70 7 76  
 
PRECIPITATION (IN)  
TODAY 0.00 1.18 1939 0.05 -0.05 0.00  
MONTH TO DATE 0.16 0.88 -0.72 0.26  
SINCE OCT 1 23.64 22.01 1.63 22.57  
SINCE JAN 1 11.96 14.20 -2.24 8.19  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 14 46 -32 11  
SINCE MAR 1 265 555 -290 261  
SINCE JUL 1 2014 2506 -492 2012  
 
COOLING  
TODAY 12 6 6 11  
MONTH TO DATE 133 84 49 114  
SINCE MAR 1 186 112 74 145  
SINCE JAN 1 186 112 74 145    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (0)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 5.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 64 300 AM  
LOWEST 18 200 PM  
AVERAGE 41  
   
......................................................
 
 
THE RED BLUFF CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 103 1941  
2017  
MINIMUM TEMPERATURE (F) 56 37 2010  
 
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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