052  
CDUS46 KMTR 260833  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
133 AM PDT WED APR 26 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 25 2023
 
 
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)  
YESTERDAY  
MAXIMUM 77 1:24 PM 87 2004 66 11 68  
MINIMUM 48 5:13 AM 41 1974 50 -2 50  
AVERAGE 63 58 5 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.48 1994 0.03 -0.03 0.00  
MONTH TO DATE 0.10 1.25 -1.15 0.97  
SINCE OCT 1 30.66 18.80 11.86 18.12  
SINCE JAN 1 19.41 11.83 7.58 1.84  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE MM  
SINCE MAR 1 MM  
SINCE JUL 1 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 7 -5 6  
MONTH TO DATE 232 199 33 182  
SINCE MAR 1 623 495 128 467  
SINCE JUL 1 2331 2174 157 1933  
 
COOLING  
YESTERDAY 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 8 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 1:00 AM  
LOWEST 34 1:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 90 2004  
MINIMUM TEMPERATURE (F) 50 42 1950  
1955  
 
SUNRISE AND SUNSET  
APRIL 26 2023.........SUNRISE 6:20 AM PDT SUNSET 7:55 PM PDT  
APRIL 27 2023.........SUNRISE 6:19 AM PDT SUNSET 7:56 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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