045  
CDUS46 KMTR 200829  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
129 AM PDT THU JUL 20 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR JULY 19 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1850 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 64 4:43 PM 86 2015 66 -2 62  
MINIMUM 53 6:43 AM 49 1894 55 -2 52  
AVERAGE 59 60 -1 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.01 1932 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.01 -0.01 0.06  
SINCE OCT 1 33.76 22.73 11.03 18.75  
SINCE JAN 1 20.80 14.43 6.37 2.52  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 5 1 8  
MONTH TO DATE 94 95 -1 89  
SINCE JUN 1 287 264 23 232  
SINCE JUL 1 94 95 -1 89  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 1  
SINCE JUN 1 1 12 -11 25  
SINCE JAN 1 1 27 -26 34    
...............................................................
 
 
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 89 1996  
MINIMUM TEMPERATURE (F) 55 48 1894  
 
SUNRISE AND SUNSET  
JULY 20 2023..........SUNRISE 6:04 AM PDT SUNSET 8:28 PM PDT  
JULY 21 2023..........SUNRISE 6:04 AM PDT SUNSET 8:28 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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