CDUS46 KMTR 190031
CLISFD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
531 PM PDT MON MAY 18 2026

...................................

...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR MAY 18 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1850 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 TODAY                                                               
  MAXIMUM         79   2:43 PM  88    1892  64     15       66        
  MINIMUM         65   5:43 AM  46    1896  52     13       50        
  AVERAGE         72                        58     14       58     

PRECIPITATION (IN)                                                    
  TODAY            0.00          1.26 1957   0.02  -0.02     0.00     
  MONTH TO DATE    0.14                      0.46  -0.32     0.15     
  SINCE OCT 1     20.02                     22.28  -2.26    19.75     
  SINCE JAN 1     11.09                     13.98  -2.89     9.55     

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY            0                         7     -7        7        
  MONTH TO DATE  124                       143    -19      134        
  SINCE MAR 1    435                       705   -270      717        
  SINCE JUL 1   1920                      2523   -603     2317        

 COOLING                                                              
  TODAY            7                         0      7        0        
  MONTH TO DATE    7                         0      7        4        
  SINCE MAR 1     50                         7     43        6        
  SINCE JAN 1     53                         7     46        6        
...................................................................


THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   64        90      1892                      
 MINIMUM TEMPERATURE (F)   52        45      1876                      


SUNRISE AND SUNSET                                                    
MAY 18 2026...........SUNRISE   5:57 AM PDT   SUNSET   8:15 PM PDT     
MAY 19 2026...........SUNRISE   5:57 AM PDT   SUNSET   8:16 PM PDT     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$