condition	mean	min	max
4 h after light	29.223950000000002	27.1265	31.3214
8 h after light	38.518100000000004	38.1382	38.898
12 h after light	33.8363	31.8428	35.8298
4 h after dark	61.945350000000005	57.1855	66.7052
8 h after dark	47.8818	46.2967	49.4669
12 h after dark	35.187250000000006	34.9928	35.3817