921  
CDUS46 KSTO 310850  
CLIRBL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
150 AM PDT SUN MAY 31 2026  
   
...............................
 
 
   
..THE RED BLUFF CLIMATE SUMMARY FOR MAY 30 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 81 559 PM 108 1950 86 -5 105  
MINIMUM 60 608 AM 47 1988 58 2 62  
2011  
AVERAGE 71 72 -1 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.52 1940 0.04 -0.04 0.00  
MONTH TO DATE 0.64 1.22 -0.58 0.26  
SINCE OCT 1 24.12 22.35 1.77 22.57  
SINCE JAN 1 12.44 14.54 -2.10 8.19  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 25 55 -30 11  
SINCE MAR 1 276 564 -288 261  
SINCE JUL 1 2025 2515 -490 2012  
 
COOLING  
YESTERDAY 6 8 -2 19  
MONTH TO DATE 172 146 26 197  
SINCE MAR 1 225 174 51 228  
SINCE JAN 1 225 174 51 228    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (10)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 4.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 300 AM  
LOWEST 31 500 PM  
AVERAGE 61  
   
......................................................
 
 
THE RED BLUFF CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 108 2021  
MINIMUM TEMPERATURE (F) 59 44 1990  
 
SUNRISE AND SUNSET  
MAY 31 2026...........SUNRISE 124 PM PDT SUNSET 413 AM PDT  
JUNE 1 2026..........SUNRISE 124 PM PDT SUNSET 414 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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