112  
CDUS46 KMTR 210027  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
527 PM PDT THU APR 20 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR APRIL 20 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 63 2:43 PM 93 2009 63 0 66  
MINIMUM 47 6:43 AM 42 1963 50 -3 51  
AVERAGE 55 56 -1 59  
 
PRECIPITATION (IN)  
TODAY 0.00 1.81 1880 0.05 -0.05 0.11  
MONTH TO DATE 0.24 1.26 -1.02 0.83  
SINCE OCT 1 32.54 21.48 11.06 18.19  
SINCE JAN 1 19.58 13.18 6.40 1.96  
 
DEGREE DAYS  
HEATING  
TODAY 10 9 1 6  
MONTH TO DATE 241 180 61 181  
SINCE MAR 1 658 477 181 500  
SINCE JUL 1 2587 2295 292 2204  
 
COOLING  
TODAY 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 TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 90 1987  
MINIMUM TEMPERATURE (F) 50 42 1967  
 
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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