659  
CDUS46 KMTR 200828  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
128 AM PDT THU APR 20 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR APRIL 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 57 5:43 PM 83 1992 63 -6 62  
MINIMUM 46 6:43 AM 41 1896 50 -4 51  
AVERAGE 52 56 -4 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.11 1988 0.04 -0.04 0.09  
MONTH TO DATE 0.24 1.21 -0.97 0.72  
SINCE OCT 1 32.54 21.43 11.11 18.08  
SINCE JAN 1 19.58 13.13 6.45 1.85  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 9 4 8  
MONTH TO DATE 231 171 60 175  
SINCE MAR 1 648 468 180 494  
SINCE JUL 1 2577 2286 291 2198  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 7  
SINCE MAR 1 0 2 -2 7  
SINCE JAN 1 0 2 -2 8    
...............................................................
 
 
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 93 2009  
MINIMUM TEMPERATURE (F) 50 42 1963  
 
SUNRISE AND SUNSET  
APRIL 20 2023.........SUNRISE 6:28 AM PDT SUNSET 7:50 PM PDT  
APRIL 21 2023.........SUNRISE 6:27 AM PDT SUNSET 7:51 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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