455  
CDUS46 KMTR 010028  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
528 PM PDT WED MAY 31 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR MAY 31 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 60 3:43 PM 90 2001 65 -5 68  
MINIMUM 52 6:43 AM 47 1971 52 0 50  
AVERAGE 56 59 -3 59  
 
PRECIPITATION (IN)  
TODAY 0.00 0.76 1899 0.01 -0.01 0.00  
MONTH TO DATE 1.21 0.70 0.51 0.02  
SINCE OCT 1 33.75 22.52 11.23 18.46  
SINCE JAN 1 20.79 14.22 6.57 2.23  
 
DEGREE DAYS  
HEATING  
TODAY 9 6 3 6  
MONTH TO DATE 262 231 31 236  
SINCE MAR 1 995 793 202 830  
SINCE JUL 1 2924 2611 313 2534  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 8 -8 1  
SINCE MAR 1 0 15 -15 8  
SINCE JAN 1 0 15 -15 9    
...............................................................
 
 
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 90 1989  
MINIMUM TEMPERATURE (F) 52 47 1900  
 
SUNRISE AND SUNSET  
MAY 31 2023...........SUNRISE 5:50 AM PDT SUNSET 8:25 PM PDT  
JUNE 1 2023..........SUNRISE 5:50 AM PDT SUNSET 8:26 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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