780  
CDUS46 KMTR 180837  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
137 AM PDT FRI APR 18 2025  
   
...............................  
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR APRIL 17 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1850 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 60 3:43 PM 81 2016 63 -3 73  
MINIMUM 50 6:43 AM 42 1880 50 0 52  
AVERAGE 55 56 -1 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 1.09 1881 0.05 -0.02 0.00  
MONTH TO DATE 0.25 1.12 -0.87 1.12  
SINCE OCT 1 19.57 21.34 -1.77 24.64  
SINCE JAN 1 9.37 13.04 -3.67 17.96  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 9 1 2  
MONTH TO DATE 143 153 -10 166  
SINCE MAR 1 455 450 5 461  
SINCE JUL 1 2055 2268 -213 1881  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 2 2 0 2  
SINCE JAN 1 2 2 0 2    
...............................................................  
 
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 83 1914  
2016  
MINIMUM TEMPERATURE (F) 50 42 1880  
 
SUNRISE AND SUNSET  
APRIL 18 2025.........SUNRISE 6:30 AM PDT SUNSET 7:49 PM PDT  
APRIL 19 2025.........SUNRISE 6:29 AM PDT SUNSET 7:50 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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