condition	mean	min	max
4 h after light	9.59074	7.86048	11.321
8 h after light	11.14935	10.9497	11.349
12 h after light	11.76485	10.957	12.5727
4 h after dark	15.127833333333333	13.6392	17.0013
8 h after dark	15.251666666666667	14.4968	15.9493
12 h after dark	12.7921	10.9117	16.4921