condition	mean	min	max
4 h after light	34.9408	30.797	39.0846
8 h after light	29.07215	27.4685	30.6758
12 h after light	33.2648	32.025	34.5046
4 h after dark	45.01083333333333	42.0073	48.5269
8 h after dark	62.88903333333333	58.6305	65.7683
12 h after dark	38.8923	36.9862	40.3867