condition	mean	min	max
4 h after light	15.3735	7.0923	21.4895
8 h after light	10.61088	2.50455	19.3913
12 h after light	12.950373333333333	7.35362	19.4484
4 h after dark	17.4	11.2396	21.8533
8 h after dark	17.9771	12.9191	21.9763
12 h after dark	23.970833333333335	18.1294	31.065