326  
CDUS46 KMTR 170035  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
535 PM PDT SUN APR 16 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 16 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1927 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 60 2:13 PM 81 1999 66 -6 62  
MINIMUM 49 3:02 AM 40 1975 49 0 47  
AVERAGE 55 57 -2 55  
 
PRECIPITATION (IN)  
TODAY 0.00 0.64 2000 0.05 -0.05 0.40  
MONTH TO DATE 0.06 0.92 -0.86 0.54  
SINCE OCT 1 30.62 18.47 12.15 17.69  
SINCE JAN 1 19.37 11.50 7.87 1.41  
 
SNOWFALL (IN)  
TODAY MM 0.0  
MONTH TO DATE MM  
SINCE MAR 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 10 8 2 10  
MONTH TO DATE 163 131 32 121  
SINCE MAR 1 554 427 127 406  
SINCE JUL 1 2262 2106 156 1872  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 9  
SINCE MAR 1 0 1 -1 11  
SINCE JAN 1 0 1 -1 11    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 13.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 1:00 AM  
LOWEST 53 2:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 83 2016  
MINIMUM TEMPERATURE (F) 49 40 1963  
 
SUNRISE AND SUNSET  
APRIL 16 2023.........SUNRISE 6:33 AM PDT SUNSET 7:46 PM PDT  
APRIL 17 2023.........SUNRISE 6:32 AM PDT SUNSET 7:47 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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