139  
CDUS46 KMTR 180031  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
431 PM PST FRI FEB 17 2023  
   
...............................  
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR FEBRUARY 17 2023  
 
VALID TODAY AS OF 0400 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 60 3:43 PM 75 1930 61 -1 67  
MINIMUM 45 4:43 AM 38 1880 48 -3 53  
AVERAGE 53 54 -1 60  
 
PRECIPITATION (IN)  
TODAY 0.00 1.63 1986 0.16 -0.16 0.00  
MONTH TO DATE 1.07 2.69 -1.62 0.00  
SINCE OCT 1 22.92 15.39 7.53 16.84  
SINCE JAN 1 9.96 7.09 2.87 0.61  
 
DEGREE DAYS  
HEATING  
TODAY 12 11 1 5  
MONTH TO DATE 219 192 27 115  
SINCE DEC 1 1018 978 40 878  
SINCE JUL 1 1749 1706 43 1570  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE DEC 1 0 0 0 1  
SINCE JAN 1 0 0 0 1    
...............................................................  
 
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 80 1899  
MINIMUM TEMPERATURE (F) 48 38 1990  
 
SUNRISE AND SUNSET  
FEBRUARY 17 2023......SUNRISE 6:57 AM PST SUNSET 5:51 PM PST  
FEBRUARY 18 2023......SUNRISE 6:56 AM PST SUNSET 5:52 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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