593  
CDUS46 KMTR 240831  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
131 AM PDT SAT JUN 24 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JUNE 23 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 68 2:01 PM 94 1976 72 -4 74  
MINIMUM 58 11:59 PM 49 1963 54 4 56  
1984  
AVERAGE 63 63 0 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 1991 0.00 0.00 0.00  
1998  
2013  
MONTH TO DATE 0.01 0.12 -0.11 0.05  
SINCE OCT 1 31.39 19.51 11.88 18.17  
SINCE JAN 1 20.14 12.54 7.60 1.89  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE MM  
SINCE JUN 1 MM  
SINCE JUL 1 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 3 -1 0  
MONTH TO DATE 51 80 -29 36  
SINCE JUN 1 51 80 -29 36  
SINCE JUL 1 2572 2459 113 2168  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 1 20 -19 45  
SINCE JUN 1 1 20 -19 45  
SINCE JAN 1 6 40 -34 65    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 11.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 3:00 AM  
LOWEST 54 12:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 97 1976  
MINIMUM TEMPERATURE (F) 54 46 1955  
 
SUNRISE AND SUNSET  
JUNE 24 2023..........SUNRISE 5:49 AM PDT SUNSET 8:35 PM PDT  
JUNE 25 2023..........SUNRISE 5:49 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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