407  
CDUS46 KMTR 260826  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
126 AM PDT MON JUN 26 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JUNE 25 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 65 2:18 PM 96 1993 72 -7 69  
MINIMUM 55 11:53 PM 44 1950 54 1 55  
AVERAGE 60 63 -3 62  
 
PRECIPITATION (IN)  
YESTERDAY T 0.10 2001 0.00 0.00 0.00  
MONTH TO DATE 0.01 0.13 -0.12 0.05  
SINCE OCT 1 31.39 19.52 11.87 18.17  
SINCE JAN 1 20.14 12.55 7.59 1.89  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE MM  
SINCE JUN 1 MM  
SINCE JUL 1 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 3 2 3  
MONTH TO DATE 59 86 -27 39  
SINCE JUN 1 59 86 -27 39  
SINCE JUL 1 2580 2465 115 2171  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 1 22 -21 45  
SINCE JUN 1 1 22 -21 45  
SINCE JAN 1 6 42 -36 65    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 12.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 11:00 PM  
LOWEST 63 1:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 96 2003  
MINIMUM TEMPERATURE (F) 54 45 1950  
 
SUNRISE AND SUNSET  
JUNE 26 2023..........SUNRISE 5:50 AM PDT SUNSET 8:35 PM PDT  
JUNE 27 2023..........SUNRISE 5:50 AM PDT SUNSET 8:35 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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