condition	mean	min	max
4 h after light	6.231855	5.22071	7.243
8 h after light	7.16908	6.40515	7.93301
12 h after light	6.58503	5.45316	7.7169
4 h after dark	1.050284	0.827582	1.1917
8 h after dark	3.3653399999999998	3.21218	3.44711
12 h after dark	2.0452933333333334	1.85843	2.29069