condition	mean	min	max
4 h after light	16.96735	13.0553	20.8794
8 h after light	56.39235	54.2239	58.5608
12 h after light	93.01365	91.77	94.2573
4 h after dark	71.46643333333333	69.8835	73.4208
8 h after dark	50.2681	48.9297	52.4569
12 h after dark	33.253233333333334	29.2577	38.0073