"07/31/80","12:00",11,30,25,0
"07/31/80","18:00",10.9,32.2,25,0
"08/01/80","00:00",10.8,34.3,30,1010
"08/01/80","06:00",10.7,36.4,30,1009
"08/01/80","12:00",10.7,38.6,30,1008
"08/01/80","18:00",10.7,40.7,30,1006
"08/02/80","00:00",11,42.8,35,1005
"08/02/80","06:00",11.4,44.8,45,1000
"08/02/80","12:00",11.9,46.9,55,995
"08/02/80","18:00",12.3,49.1,60,990
"08/03/80","00:00",12.4,51.4,65,985
"08/03/80","06:00",12.6,53.6,70,980
"08/03/80","12:00",12.8,55.6,80,975
"08/03/80","18:00",12.9,57.5,95,965
"08/04/80","00:00",13.3,59.1,110,950
"08/04/80","06:00",13.6,61,115,948
"08/04/80","12:00",14,63,125,945
"08/04/80","18:00",14.4,64.9,130,930
"08/05/80","00:00",14.8,66.7,140,911
"08/05/80","06:00",15.4,68.6,145,916
"08/05/80","12:00",15.9,70.5,155,932
"08/05/80","18:00",16.5,72.3,150,940
"08/06/80","00:00",17.8,73.8,140,945
"08/06/80","06:00",18.3,75.9,115,955
"08/06/80","12:00",19.2,78,115,955
"08/06/80","18:00",20,80.1,125,955
"08/07/80","00:00",20.1,81.9,135,945
"08/07/80","06:00",20.4,83.6,145,935
"08/07/80","12:00",21,84.8,155,910
"08/07/80","18:00",21.8,86.4,165,899
"08/08/80","00:00",22.2,87.9,155,920
"08/08/80","06:00",22.8,89.2,130,945
"08/08/80","12:00",23.4,90.5,115,960
"08/08/80","18:00",23.9,91.8,130,940
"08/09/80","00:00",24.5,93,145,912
"08/09/80","06:00",25,94.2,155,909
"08/09/80","12:00",25.2,95.4,140,916
"08/09/80","18:00",25.4,96.1,125,925
"08/10/80","00:00",25.8,96.8,110,935
"08/10/80","06:00",26.1,97.2,100,945
"08/10/80","12:00",26.7,98.1,85,960
"08/10/80","18:00",27.3,99,70,970
"08/11/80","00:00",27.7,99.8,60,990
"08/11/80","06:00",28,100.9,45,1000
"08/11/80","12:00",28.5,101.9,30,1005
"08/11/80","18:00",28.9,102.9,30,1008