306  
CDUS46 KMTR 180826  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1226 AM PST SAT JAN 18 2025  
   
...............................  
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR JANUARY 17 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1850 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 53 2:43 PM 74 2021 58 -5 59  
MINIMUM 46 3:43 AM 32 1888 47 -1 51  
AVERAGE 50 52 -2 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.64 1862 0.14 -0.14 0.02  
MONTH TO DATE 0.19 2.45 -2.26 2.57  
SINCE OCT 1 10.39 10.75 -0.36 9.25  
SINCE JAN 1 0.19 2.45 -2.26 2.57  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 13 2 10  
MONTH TO DATE 173 221 -48 214  
SINCE DEC 1 488 610 -122 510  
SINCE JUL 1 1122 1338 -216 1019  
 
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 76 2021  
MINIMUM TEMPERATURE (F) 47 34 1922  
 
SUNRISE AND SUNSET  
JANUARY 18 2025.......SUNRISE 7:23 AM PST SUNSET 5:18 PM PST  
JANUARY 19 2025.......SUNRISE 7:22 AM PST SUNSET 5:19 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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