Plotted entries from OPSLOG files in HAWKI report DARKMED_long, plot 3:

DATE       MJD-OBS      parameter values
==========================================================================
2008-12-23 54823.385758 0.8502405802	med_par_ch8
2008-12-24 54824.399544 0.8009255473	med_par_ch8
2008-12-25 54825.416374 0.7398010763	med_par_ch8
2008-12-26 54826.418842 0.6061608887	med_par_ch8
2008-12-27 54827.379878 0.7271724447	med_par_ch8
2008-12-28 54828.428624 0.6539888509	med_par_ch8
2008-12-29 54829.366708 0.8614356486	med_par_ch8
2008-12-30 54830.398536 0.9489120483	med_par_ch8
2008-12-31 54831.396190 0.9250083415	med_par_ch8
2009-01-01 54832.388949 0.972368571	med_par_ch8
2009-01-02 54833.394068 1.034508667	med_par_ch8
2009-01-03 54834.416122 1.022890727	med_par_ch8
2009-01-04 54835.401705 0.8169480387	med_par_ch8
2009-01-05 54836.422791 0.9400695801	med_par_ch8
2009-01-06 54837.388763 0.7751957703	med_par_ch8
2009-01-07 54838.423624 0.8075209554	med_par_ch8