339  
CDUS46 KMTR 190827  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1227 AM PST THU JAN 19 2023  
   
...............................  
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR JANUARY 18 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 56 2:43 PM 76 2021 58 -2 57  
MINIMUM 45 6:43 AM 34 1922 47 -2 49  
AVERAGE 51 52 -1 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 1.87 1875 0.13 -0.03 0.00  
MONTH TO DATE 8.89 2.58 6.31 0.61  
SINCE OCT 1 21.85 10.88 10.97 16.84  
SINCE JAN 1 8.89 2.58 6.31 0.61  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 13 1 12  
MONTH TO DATE 204 234 -30 207  
SINCE DEC 1 635 623 12 637  
SINCE JUL 1 1366 1351 15 1329  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 70 1891  
MINIMUM TEMPERATURE (F) 47 32 1922  
 
SUNRISE AND SUNSET  
JANUARY 19 2023.......SUNRISE 7:22 AM PST SUNSET 5:19 PM PST  
JANUARY 20 2023.......SUNRISE 7:22 AM PST SUNSET 5:20 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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