558  
CDUS46 KMTR 280839  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
139 AM PDT TUE MAY 28 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 27 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1927 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 65 2:17 PM 97 1984 69 -4 68  
MINIMUM 52 4:54 AM 42 1954 53 -1 54  
AVERAGE 59 61 -2 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.92 1990 0.02 -0.02 0.00  
MONTH TO DATE 0.95 0.44 0.51 0.72  
SINCE OCT 1 20.13 19.35 0.78 31.38  
SINCE JAN 1 14.80 12.38 2.42 20.13  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE MAR 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 4 2 4  
MONTH TO DATE 128 152 -24 148  
SINCE MAR 1 617 682 -65 795  
SINCE JUL 1 1758 2361 -603 2503  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 10 0 10 3  
SINCE MAR 1 11 6 5 5  
SINCE JAN 1 11 6 5 5    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 11.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 6:00 AM  
LOWEST 58 11:00 AM  
AVERAGE 69  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 92 1984  
MINIMUM TEMPERATURE (F) 53 45 1954  
1955  
 
SUNRISE AND SUNSET  
MAY 28 2024...........SUNRISE 5:51 AM PDT SUNSET 8:23 PM PDT  
MAY 29 2024...........SUNRISE 5:51 AM PDT SUNSET 8:24 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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