011  
CDUS46 KSTO 180853  
CLIRBL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
153 AM PDT THU SEP 18 2025  
   
...............................  
 
   
..THE RED BLUFF CLIMATE SUMMARY FOR SEPTEMBER 17 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1933 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 99 405 PM 105 1991 91 8 76  
MINIMUM 63 719 AM 49 1987 59 4 61  
2018  
AVERAGE 81 75 6 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.33 1989 0.01 -0.01 0.00  
MONTH TO DATE 0.10 0.06 0.04 0.61  
SINCE OCT 1 22.80 22.99 -0.19 22.43  
SINCE JAN 1 8.42 15.18 -6.76 16.88  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE SEP 1 0 0 0 1  
SINCE JUL 1 0 0 0 1  
 
COOLING  
YESTERDAY 16 10 6 4  
MONTH TO DATE 202 201 1 213  
SINCE SEP 1 202 201 1 213  
SINCE JAN 1 1916 1718 198 2136    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 5.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 52 600 AM  
LOWEST 12 300 PM  
AVERAGE 32  
   
......................................................  
 
THE RED BLUFF CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 106 2000  
MINIMUM TEMPERATURE (F) 59 47 1989  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2025.....SUNRISE 235 PM PDT SUNSET 255 AM PDT  
SEPTEMBER 19 2025.....SUNRISE 236 PM PDT SUNSET 254 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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