condition	mean	min	max
0 h after light	12.1127	11.4707	12.7547
4 h after light	9.015905	8.39552	9.63629
8 h after light	10.9278	9.7745	12.0811
4 h after dark	17.2932	16.9707	17.6157
8 h after dark	14.96075	14.7189	15.2026
12 h after dark	12.436	12.4119	12.4601