685  
CDUS46 KMTR 210040  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
540 PM PDT FRI OCT 20 2023  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR OCTOBER 20 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 74 1:58 PM 91 2006 76 -2 82  
2020  
MINIMUM 54 5:32 AM 37 2013 45 9 48  
AVERAGE 64 60 4 65  
 
PRECIPITATION (IN)  
TODAY 0.00 0.70 2021 0.07 -0.07 0.00  
MONTH TO DATE 0.07 0.80 -0.73 0.01  
SINCE OCT 1 0.07 0.80 -0.73 0.01  
SINCE JAN 1 31.15 22.59 8.56 5.69  
 
DEGREE DAYS  
HEATING  
TODAY 1 0  
MONTH TO DATE 37 45  
SINCE SEP 1 56 59  
SINCE JUL 1 66 63  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 54 13  
SINCE SEP 1 111 177  
SINCE JAN 1 498 579    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 6:00 AM  
LOWEST 55 2:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 89 2019  
2020  
MINIMUM TEMPERATURE (F) 45 37 2017  
 
SUNRISE AND SUNSET  
OCTOBER 20 2023.......SUNRISE 7:25 AM PDT SUNSET 6:26 PM PDT  
OCTOBER 21 2023.......SUNRISE 7:26 AM PDT SUNSET 6:25 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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