154  
CDUS46 KMTR 010840  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
140 AM PDT TUE AUG 01 2023  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JULY 31 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 88 12:37 PM 100 2000 83 5 80  
MINIMUM 49 5:31 AM 48 1999 52 -3 57  
AVERAGE 69 68 1 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 2015 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 4  
SINCE JUN 1 79 23  
SINCE JUL 1 10 4  
 
COOLING  
YESTERDAY 4 4  
MONTH TO DATE 157 79  
SINCE JUN 1 175 193  
SINCE JAN 1 191 253    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 31 2:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 96 2000  
MINIMUM TEMPERATURE (F) 52 44 2013  
 
SUNRISE AND SUNSET  
AUGUST 1 2023........SUNRISE 6:13 AM PDT SUNSET 8:22 PM PDT  
AUGUST 2 2023........SUNRISE 6:14 AM PDT SUNSET 8:21 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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