Plotted entries from OPSLOG files in HAWKI report DARKRON, plot 8 (data set med_par_ch6):
(DATE changes at 21:00 UT or MJD-OBS = xxx.875)
DATE       	MJD-OBS      	values
====================================================
2012-05-05	56053.469418	5.80121803535802
2012-05-06	56054.445409	5.84705148903617
2012-05-07	56055.436800	5.82662194896658
2012-05-08	56056.437456	5.9392614749572
2012-05-09	56057.483288	5.94200782164158
2012-05-10	56058.449325	5.69183431557451
2012-05-11	56059.449429	5.9794765686023
2012-05-12	56060.411325	6.0032901441951
2012-05-13	56061.562505	5.55230958811225
2012-05-14	56062.396494	5.26245243271277
2012-05-15	56063.447155	5.94623359182708
2012-05-16	56064.460485	5.98645600471849
2012-05-17	56065.442692	5.80543550462964
2012-05-18	56066.537568	5.95344446856178
2012-05-19	56067.453161	5.82786767045014