102  
CDUS46 KMTR 190053  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
553 PM PDT TUE APR 18 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR APRIL 18 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 57 3:43 PM 83 1914 63 -6 65  
2016  
MINIMUM 46 6:43 AM 42 1880 50 -4 46  
AVERAGE 52 56 -4 56  
 
PRECIPITATION (IN)  
TODAY 0.01 0.68 1869 0.05 -0.04 0.01  
MONTH TO DATE 0.25 1.17 -0.92 0.63  
SINCE OCT 1 32.55 21.39 11.16 17.99  
SINCE JAN 1 19.59 13.09 6.50 1.76  
 
DEGREE DAYS  
HEATING  
TODAY 13 9 4 9  
MONTH TO DATE 218 162 56 167  
SINCE MAR 1 635 459 176 486  
SINCE JUL 1 2564 2277 287 2190  
 
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 83 1992  
MINIMUM TEMPERATURE (F) 50 41 1896  
 
SUNRISE AND SUNSET  
APRIL 18 2023.........SUNRISE 6:31 AM PDT SUNSET 7:48 PM PDT  
APRIL 19 2023.........SUNRISE 6:29 AM PDT SUNSET 7:49 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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