508  
CDUS46 KMTR 010028  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
528 PM PDT WED MAY 31 2023  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR MAY 31 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 73 2:50 PM 100 2001 78 -5 86  
MINIMUM 51 5:35 AM 45 2003 49 2 45  
2011  
2022  
AVERAGE 62 64 -2 66  
 
PRECIPITATION (IN)  
TODAY T 0.17 2011 0.02 -0.02 0.00  
MONTH TO DATE 0.86 1.27 -0.41 0.09  
SINCE OCT 1 41.83 33.28 8.55 25.51  
SINCE JAN 1 30.88 21.29 9.59 4.06  
 
DEGREE DAYS  
HEATING  
TODAY 3 0  
MONTH TO DATE 175 143  
SINCE MAR 1 915 737  
SINCE JUL 1 3081 2709  
 
COOLING  
TODAY 0 1  
MONTH TO DATE 9 50  
SINCE MAR 1 16 60  
SINCE JAN 1 16 60    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 5:00 AM  
LOWEST 53 4:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 97 2013  
MINIMUM TEMPERATURE (F) 49 41 2008  
 
SUNRISE AND SUNSET  
MAY 31 2023...........SUNRISE 5:49 AM PDT SUNSET 8:29 PM PDT  
JUNE 1 2023..........SUNRISE 5:49 AM PDT SUNSET 8:30 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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