983  
CDUS46 KMTR 170841  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
141 AM PDT MON JUL 17 2023  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JULY 16 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 99 1:10 PM 108 2017 84 15 94  
MINIMUM 56 4:26 AM 47 2009 52 4 47  
2022  
AVERAGE 78 68 10 71  
 
PRECIPITATION (IN)  
YESTERDAY T R T 2012 0.00 0.00 0.00  
2012  
2015  
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 13 6  
MONTH TO DATE 69 44  
SINCE JUN 1 87 158  
SINCE JAN 1 103 218    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 5:00 AM  
LOWEST 29 1:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 101 2006  
MINIMUM TEMPERATURE (F) 52 47 2009  
 
SUNRISE AND SUNSET  
JULY 17 2023..........SUNRISE 6:01 AM PDT SUNSET 8:34 PM PDT  
JULY 18 2023..........SUNRISE 6:02 AM PDT SUNSET 8:33 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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