575  
CDUS46 KMTR 230030  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
530 PM PDT SAT APR 22 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 22 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 69 11:53 AM 83 2013 66 3 62  
MINIMUM 51 5:49 AM 42 1951 50 1 51  
1961  
1963  
AVERAGE 60 58 2 57  
 
PRECIPITATION (IN)  
TODAY 0.00 0.60 1988 0.03 -0.03 T  
MONTH TO DATE 0.10 1.15 -1.05 0.97  
SINCE OCT 1 30.66 18.70 11.96 18.12  
SINCE JAN 1 19.41 11.73 7.68 1.84  
 
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 5 7 -2 8  
MONTH TO DATE 212 178 34 166  
SINCE MAR 1 603 474 129 451  
SINCE JUL 1 2311 2153 158 1917  
 
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 NW (300)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 13.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 4:00 AM  
LOWEST 53 12:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 88 2019  
MINIMUM TEMPERATURE (F) 50 41 1960  
 
SUNRISE AND SUNSET  
APRIL 22 2023.........SUNRISE 6:25 AM PDT SUNSET 7:51 PM PDT  
APRIL 23 2023.........SUNRISE 6:24 AM PDT SUNSET 7:52 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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