308  
CDUS46 KMTR 010844  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
144 AM PDT MON MAY 01 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR APRIL 30 2023
 
 
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)  
YESTERDAY  
MAXIMUM 58 2:43 PM 93 1996 63 -5 60  
MINIMUM 49 4:43 AM 45 1887 50 -1 51  
AVERAGE 54 57 -3 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.71 1953 0.03 -0.03 0.00  
MONTH TO DATE 0.24 1.60 -1.36 1.08  
SINCE OCT 1 32.54 21.82 10.72 18.44  
SINCE JAN 1 19.58 13.52 6.06 2.21  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 8 3 9  
MONTH TO DATE 316 267 49 275  
SINCE MAR 1 733 564 169 594  
SINCE JUL 1 2662 2382 280 2298  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 5 -5 7  
SINCE MAR 1 0 7 -7 7  
SINCE JAN 1 0 7 -7 8    
...............................................................
 
 
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 88 1996  
MINIMUM TEMPERATURE (F) 50 43 1899  
 
SUNRISE AND SUNSET  
MAY 1 2023...........SUNRISE 6:14 AM PDT SUNSET 8:00 PM PDT  
MAY 2 2023...........SUNRISE 6:13 AM PDT SUNSET 8:01 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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