885  
CDUS46 KMTR 100028  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
528 PM PDT TUE MAY 09 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 9 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 65 2:40 PM 88 1993 68 -3 61  
MINIMUM 53 5:35 AM 41 1950 51 2 48  
AVERAGE 59 59 0 55  
 
PRECIPITATION (IN)  
TODAY 0.00 0.20 1980 0.02 -0.02 0.00  
MONTH TO DATE 0.72 0.18 0.54 T  
SINCE OCT 1 31.38 19.09 12.29 18.12  
SINCE JAN 1 20.13 12.12 8.01 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 6 6 0 10  
MONTH TO DATE 72 57 15 60  
SINCE MAR 1 719 587 132 571  
SINCE JUL 1 2427 2266 161 2037  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 2 6 -4 11  
SINCE JAN 1 2 6 -4 11    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 12.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 4:00 AM  
LOWEST 56 2:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 84 2006  
2021  
MINIMUM TEMPERATURE (F) 51 43 1953  
 
SUNRISE AND SUNSET  
MAY 9 2023...........SUNRISE 6:06 AM PDT SUNSET 8:07 PM PDT  
MAY 10 2023...........SUNRISE 6:05 AM PDT SUNSET 8:08 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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