Plotted entries from OPSLOG files in CRIRES report DARKMED, plot 4:

DATE       MJD-OBS      parameter values
==========================================================================
2009-11-18 55153.396798 1.25	med_par_ch4
2009-11-19 55154.456258 1.083333333	med_par_ch4
2009-11-20 55155.427687 1.083333333	med_par_ch4
2009-11-21 55156.536818 1.25	med_par_ch4
2009-11-22 55157.426991 1.166666667	med_par_ch4
2009-11-23 55158.386785 1.5	med_par_ch4