284  
CDUS46 KMTR 310838  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
138 AM PDT THU AUG 31 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR AUGUST 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 87 12:43 PM 89 1879 69 18 67  
MINIMUM 61 6:43 AM 49 1911 56 5 58  
AVERAGE 74 62 12 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.24 1984 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.06 -0.06 0.00  
SINCE OCT 1 33.76 22.79 10.97 18.78  
SINCE JAN 1 20.80 14.49 6.31 2.55  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 2  
MONTH TO DATE 55 115 -60 48  
SINCE JUN 1 393 436 -43 355  
SINCE JUL 1 200 267 -67 212  
 
COOLING  
YESTERDAY 9 1 8 0  
MONTH TO DATE 38 11 27 1  
SINCE JUN 1 39 30 9 26  
SINCE JAN 1 39 45 -6 35    
...............................................................
 
 
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 87 1943  
MINIMUM TEMPERATURE (F) 56 48 1910  
 
SUNRISE AND SUNSET  
AUGUST 31 2023........SUNRISE 6:39 AM PDT SUNSET 7:41 PM PDT  
SEPTEMBER 1 2023.....SUNRISE 6:40 AM PDT SUNSET 7:39 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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