308  
CDUS46 KMTR 130028  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
528 PM PDT FRI MAY 12 2023  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR MAY 12 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 78 2:46 PM 87 2014 74 4 67  
MINIMUM 45 5:23 AM 35 2022 46 -1 35  
AVERAGE 62 60 2 51  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2017 0.04 -0.04 0.00  
MONTH TO DATE 0.86 0.58 0.28 0.09  
SINCE OCT 1 41.83 32.59 9.24 25.51  
SINCE JAN 1 30.88 20.60 10.28 4.06  
 
DEGREE DAYS  
HEATING  
TODAY 3 14  
MONTH TO DATE 110 112  
SINCE MAR 1 850 706  
SINCE JUL 1 3016 2678  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE MAR 1 7 10  
SINCE JAN 1 7 10    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SE (150)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 3.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 6:00 AM  
LOWEST 45 2:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 94 2014  
MINIMUM TEMPERATURE (F) 46 40 2007  
2011  
 
SUNRISE AND SUNSET  
MAY 12 2023...........SUNRISE 6:03 AM PDT SUNSET 8:13 PM PDT  
MAY 13 2023...........SUNRISE 6:02 AM PDT SUNSET 8:14 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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