149  
CDUS46 KMTR 220029  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
529 PM PDT SUN MAY 21 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR MAY 21 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1850 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 65 3:43 PM 90 2000 64 1 68  
MINIMUM 50 5:43 AM 45 1899 52 -2 50  
AVERAGE 58 58 0 59  
 
PRECIPITATION (IN)  
TODAY 0.00 0.33 1896 0.02 -0.02 0.00  
MONTH TO DATE 1.21 0.52 0.69 0.02  
SINCE OCT 1 33.75 22.34 11.41 18.46  
SINCE JAN 1 20.79 14.04 6.75 2.23  
 
DEGREE DAYS  
HEATING  
TODAY 7 7 0 6  
MONTH TO DATE 184 164 20 175  
SINCE MAR 1 917 726 191 769  
SINCE JUL 1 2846 2544 302 2473  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 7 -7 7  
SINCE JAN 1 0 7 -7 8    
...............................................................
 
 
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 85 1943  
MINIMUM TEMPERATURE (F) 52 44 1909  
 
SUNRISE AND SUNSET  
MAY 21 2023...........SUNRISE 5:55 AM PDT SUNSET 8:18 PM PDT  
MAY 22 2023...........SUNRISE 5:55 AM PDT SUNSET 8:19 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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