378  
CDUS46 KMTR 300025  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
525 PM PDT SAT APR 29 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 29 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 62 2:28 PM 92 1981 67 -5 66  
MINIMUM 51 1:25 AM 40 1950 50 1 47  
AVERAGE 57 58 -1 57  
 
PRECIPITATION (IN)  
TODAY 0.00 0.73 1948 0.02 -0.02 0.00  
MONTH TO DATE 0.10 1.34 -1.24 0.97  
SINCE OCT 1 30.66 18.89 11.77 18.12  
SINCE JAN 1 19.41 11.92 7.49 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 8 7 1 8  
MONTH TO DATE 247 227 20 219  
SINCE MAR 1 638 523 115 504  
SINCE JUL 1 2346 2202 144 1970  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 2 0 2 9  
SINCE MAR 1 2 1 1 11  
SINCE JAN 1 2 1 1 11    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 12.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 AM  
LOWEST 60 1:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 90 1996  
2014  
MINIMUM TEMPERATURE (F) 50 41 1946  
 
SUNRISE AND SUNSET  
APRIL 29 2023.........SUNRISE 6:17 AM PDT SUNSET 7:58 PM PDT  
APRIL 30 2023.........SUNRISE 6:15 AM PDT SUNSET 7:59 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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