188  
CDUS46 KMTR 200830  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
130 AM PDT MON MAY 20 2024  
   
...............................  
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR MAY 19 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1850 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 62 12:43 PM 90 1892 64 -2 59  
MINIMUM 51 5:43 AM 45 1876 52 -1 51  
AVERAGE 57 58 -1 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.24 1925 0.02 -0.02 0.00  
MONTH TO DATE 0.94 0.48 0.46 1.19  
SINCE OCT 1 25.62 22.30 3.32 33.73  
SINCE JAN 1 18.94 14.00 4.94 20.77  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 7 1 10  
MONTH TO DATE 138 150 -12 167  
SINCE MAR 1 700 712 -12 900  
SINCE JUL 1 2120 2530 -410 2829  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 4 0 4 0  
SINCE MAR 1 6 7 -1 0  
SINCE JAN 1 6 7 -1 0    
...............................................................  
 
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 92 1988  
MINIMUM TEMPERATURE (F) 52 43 1899  
 
SUNRISE AND SUNSET  
MAY 20 2024...........SUNRISE 5:56 AM PDT SUNSET 8:18 PM PDT  
MAY 21 2024...........SUNRISE 5:55 AM PDT SUNSET 8:18 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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