363  
CDUS46 KMTR 230027  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
527 PM PDT MON MAY 22 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 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 71 12:50 PM 83 1954 69 2 68  
MINIMUM 52 5:19 AM 44 1952 52 0 51  
AVERAGE 62 60 2 60  
 
PRECIPITATION (IN)  
TODAY 0.00 0.20 1958 0.01 -0.01 0.00  
MONTH TO DATE 0.72 0.37 0.35 T  
SINCE OCT 1 31.38 19.28 12.10 18.12  
SINCE JAN 1 20.13 12.31 7.82 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 3 5 -2 5  
MONTH TO DATE 126 129 -3 131  
SINCE MAR 1 773 659 114 642  
SINCE JUL 1 2481 2338 143 2108  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 3 0 3 0  
SINCE MAR 1 5 6 -1 11  
SINCE JAN 1 5 6 -1 11    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 5:00 AM  
LOWEST 59 2:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 88 1982  
2000  
MINIMUM TEMPERATURE (F) 52 46 1954  
 
SUNRISE AND SUNSET  
MAY 22 2023...........SUNRISE 5:55 AM PDT SUNSET 8:18 PM PDT  
MAY 23 2023...........SUNRISE 5:54 AM PDT SUNSET 8:19 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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