130  
CDUS46 KMTR 220030  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
530 PM PDT MON JUL 21 2025  
   
...............................  
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR JULY 21 2025  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1850 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 62 1:43 PM 88 1917 66 -4 61  
MINIMUM 57 4:43 AM 48 1897 55 2 53  
AVERAGE 60 60 0 57  
 
PRECIPITATION (IN)  
TODAY 0.02 0.07 1979 0.00 0.02 0.00  
MONTH TO DATE 0.02 0.01 0.01 0.00  
SINCE OCT 1 19.79 22.73 -2.94 25.71  
SINCE JAN 1 9.59 14.43 -4.84 19.03  
 
DEGREE DAYS  
HEATING  
TODAY 5 5 0 8  
MONTH TO DATE 120 105 15 58  
SINCE JUN 1 333 274 59 213  
SINCE JUL 1 120 105 15 58  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 11  
SINCE JUN 1 0 12 -12 12  
SINCE JAN 1 6 27 -21 18    
...............................................................  
 
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 87 2006  
MINIMUM TEMPERATURE (F) 55 48 1894  
 
SUNRISE AND SUNSET  
JULY 21 2025..........SUNRISE 6:05 AM PDT SUNSET 8:27 PM PDT  
JULY 22 2025..........SUNRISE 6:05 AM PDT SUNSET 8:27 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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