condition	mean	min	max
0 h after light	17.1525	16.6694	17.6356
4 h after light	7.070985	5.0796	9.06237
8 h after light	8.817445	7.77061	9.86428
4 h after dark	18.010399999999997	16.4362	19.5846
8 h after dark	11.3967	10.2119	12.5815
12 h after dark	12.93145	12.3275	13.5354