time;psi 2009-07-27;-0.09 2009-07-28;-0.38 2009-07-29;-0.19 2009-07-30;-0.30 2009-07-31;-0.37 2009-08-01;-0.50 2009-08-03;-0.32 2009-08-05;-0.39 2009-08-06;-0.47 2009-08-07;-0.40 2009-08-09;-0.55 2009-08-10;-0.34 2009-08-14;-0.83