650  
CDUS46 KMTR 050826  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
126 AM PDT FRI MAY 05 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 4 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 60 1:07 PM 84 2011 67 -7 72  
2013  
MINIMUM 51 5:57 AM 40 1950 51 0 50  
1952  
AVERAGE 56 59 -3 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.48 1998 0.02 -0.01 0.00  
MONTH TO DATE 0.70 0.08 0.62 0.00  
SINCE OCT 1 31.36 18.99 12.37 18.12  
SINCE JAN 1 20.11 12.02 8.09 1.84  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE MM  
SINCE MAR 1 MM  
SINCE JUL 1 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 6 3 4  
MONTH TO DATE 38 27 11 24  
SINCE MAR 1 685 557 128 535  
SINCE JUL 1 2393 2236 157 2001  
 
COOLING  
YESTERDAY 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 7 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 1:00 AM  
LOWEST 62 1:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 91 1987  
MINIMUM TEMPERATURE (F) 51 41 1965  
 
SUNRISE AND SUNSET  
MAY 5 2023...........SUNRISE 6:10 AM PDT SUNSET 8:03 PM PDT  
MAY 6 2023...........SUNRISE 6:09 AM PDT SUNSET 8:04 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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