Plotted entries from OPSLOG files in VIRCAM report DARKMED_1_10011_AVG, plot 3 (data set det_rms):
(DATE changes at 21:00 UT or MJD-OBS = xxx.875)
DATE       	MJD-OBS		det_ID     	values
====================================================
2012-01-23	55950.406215	RMS				0.407747
2012-01-24	55951.378649	RMS				0.528677
2012-01-25	55952.374004	RMS				0.359359
2012-01-26	55953.363613	RMS				0.604807
2012-01-27	55954.379912	RMS				0.255998
2012-01-28	55955.381792	RMS				0.42671
2012-01-28	55955.627722	RMS				0.330552
2012-01-29	55956.335914	RMS				0.191376
2012-01-30	55957.339900	RMS				0.436369
2012-01-31	55958.394984	RMS				0.549138
2012-02-01	55959.386960	RMS				0.297586
2012-02-02	55960.390162	RMS				0.384061
2012-02-03	55961.391234	RMS				0.31383
2012-02-04	55962.384059	RMS				0.389608
2012-02-04	55962.781397	RMS				0.3452
2012-02-05	55963.398399	RMS				0.354306
2012-02-06	55964.328615	RMS				0.308518
2012-02-06	55964.473928	RMS				0.478411
2012-02-07	55965.318381	RMS				0.715537
2012-02-08	55966.518490	RMS				0.367075
2012-02-09	55967.323976	RMS				0.288047
2012-02-10	55968.392810	RMS				0.29072