time;psi
2009-07-27;-0.18
2009-07-28;-0.22
2009-07-29;-0.13
2009-07-30;-0.15
2009-07-31;-0.15
2009-08-01;-0.08
2009-08-03;-0.16
2009-08-05;-0.13
2009-08-06;-0.11
2009-08-07;-0.09
2009-08-09;-0.09
2009-08-10;-0.15
2009-08-14;-0.27