359  
CDUS46 KMTR 180827  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
127 AM PDT SAT MAY 18 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR MAY 17 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1850 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 63 2:43 PM 85 2009 64 -1 60  
MINIMUM 51 1:43 AM 44 1906 52 -1 51  
AVERAGE 57 58 -1 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.93 1879 0.02 -0.02 0.00  
MONTH TO DATE 0.94 0.44 0.50 1.19  
SINCE OCT 1 25.62 22.26 3.36 33.73  
SINCE JAN 1 18.94 13.96 4.98 20.77  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 8 0 9  
MONTH TO DATE 123 136 -13 147  
SINCE MAR 1 685 698 -13 880  
SINCE JUL 1 2105 2516 -411 2809  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 4 0 4 0  
SINCE MAR 1 6 7 -1 0  
SINCE JAN 1 6 7 -1 0    
...............................................................
 
 
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 88 1892  
MINIMUM TEMPERATURE (F) 52 46 1896  
 
SUNRISE AND SUNSET  
MAY 18 2024...........SUNRISE 5:57 AM PDT SUNSET 8:16 PM PDT  
MAY 19 2024...........SUNRISE 5:56 AM PDT SUNSET 8:17 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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