046  
CDUS46 KMTR 200829  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
129 AM PDT THU JUL 20 2023  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JULY 19 2023
 
 
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)  
YESTERDAY  
MAXIMUM 83 2:03 PM 97 1998 83 0 83  
MINIMUM 54 11:59 PM 44 2008 52 2 50  
AVERAGE 69 68 1 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00 2000 0.00 0.00 0.00  
MONTH TO DATE T 0.01 -0.01 T  
SINCE OCT 1 41.86 33.60 8.26 26.17  
SINCE JAN 1 30.91 21.61 9.30 4.72  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0  
MONTH TO DATE 10 2  
SINCE JUN 1 79 21  
SINCE JUL 1 10 2  
 
COOLING  
YESTERDAY 4 2  
MONTH TO DATE 84 53  
SINCE JUN 1 102 167  
SINCE JAN 1 118 227    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 7:00 AM  
LOWEST 41 2:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 95 2015  
MINIMUM TEMPERATURE (F) 52 47 2021  
 
SUNRISE AND SUNSET  
JULY 20 2023..........SUNRISE 6:03 AM PDT SUNSET 8:32 PM PDT  
JULY 21 2023..........SUNRISE 6:04 AM PDT SUNSET 8:31 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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