Plotted entries from OPSLOG files in VIRCAM report DARKMED_2_5_AVG, plot 2 (data set det_all):
(DATE changes at 21:00 UT or MJD-OBS = xxx.875)
DATE       	MJD-OBS		det_ID     	values
====================================================
2014-12-23	57015.395142	DET1.CHIP1	3.6171875
2014-12-23	57015.395143	DET1.CHIP2	3.37890625
2014-12-23	57015.395144	DET1.CHIP3	6.0234375
2014-12-23	57015.395145	DET1.CHIP4	5.490234375
2014-12-23	57015.395146	DET1.CHIP5	0.3017578125
2014-12-23	57015.395147	DET1.CHIP6	0.5986328125
2014-12-23	57015.395148	DET1.CHIP7	0.908203125
2014-12-23	57015.395149	DET1.CHIP8	0.5849609375
2014-12-23	57015.395150	DET1.CHIP9	1.346679688
2014-12-23	57015.395151	DET1.CHIP10	-0.189453125
2014-12-23	57015.395152	DET1.CHIP11	0.0576171875
2014-12-23	57015.395153	DET1.CHIP12	-0.1240234375
2014-12-23	57015.395154	DET1.CHIP13	29.21679688
2014-12-23	57015.395155	DET1.CHIP14	1.609375
2014-12-23	57015.395156	DET1.CHIP15	-0.740234375
2014-12-23	57015.395157	DET1.CHIP16	3.3828125