547  
CDUS46 KMTR 170827  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
127 AM PDT MON APR 17 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR APRIL 16 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 56 1:43 PM 83 1999 63 -7 57  
MINIMUM 46 4:43 AM 43 1896 50 -4 48  
AVERAGE 51 56 -5 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.45 1853 0.05 -0.05 0.28  
MONTH TO DATE 0.23 1.07 -0.84 0.62  
SINCE OCT 1 32.53 21.29 11.24 17.98  
SINCE JAN 1 19.57 12.99 6.58 1.75  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 9 5 12  
MONTH TO DATE 192 144 48 144  
SINCE MAR 1 609 441 168 463  
SINCE JUL 1 2538 2259 279 2167  
 
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 81 2016  
MINIMUM TEMPERATURE (F) 50 42 1880  
 
SUNRISE AND SUNSET  
APRIL 17 2023.........SUNRISE 6:32 AM PDT SUNSET 7:47 PM PDT  
APRIL 18 2023.........SUNRISE 6:31 AM PDT SUNSET 7:48 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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