530  
CDUS46 KSTO 180830  
CLIRBL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
130 AM PDT THU MAY 18 2023  
   
...............................
 
 
   
..THE RED BLUFF CLIMATE SUMMARY FOR MAY 17 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1933 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 94 3:45 PM 104 2008 82 12 94  
MINIMUM 58 4:26 AM 42 1998 55 3 56  
AVERAGE 76 68 8 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.11 1948 0.04 -0.04 0.00  
MONTH TO DATE 0.79 0.71 0.08 0.05  
SINCE OCT 1 26.67 21.84 4.83 11.97  
SINCE JAN 1 18.67 14.03 4.64 1.72  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 74 40 34 63  
SINCE MAR 1 772 549 223 407  
SINCE JUL 1 2824 2500 324 2200  
 
COOLING  
YESTERDAY 11 5 6 10  
MONTH TO DATE 77 61 16 50  
SINCE MAR 1 133 89 44 89  
SINCE JAN 1 133 89 44 91    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 6.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 12:00 AM  
LOWEST 20 2:00 PM  
AVERAGE 46  
   
......................................................
 
 
THE RED BLUFF CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 100 1997  
MINIMUM TEMPERATURE (F) 55 40 1974  
 
SUNRISE AND SUNSET  
MAY 18 2023...........SUNRISE 1:33 PM PDT SUNSET 4:02 AM PDT  
MAY 19 2023...........SUNRISE 1:32 PM PDT SUNSET 4:03 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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