condition	mean	min	max
4 h after light	21.973950000000002	21.9174	22.0305
8 h after light	20.0118	18.6364	21.3872
12 h after light	15.2737	14.5951	15.9523
4 h after dark	33.769800000000004	32.8642	34.6754
8 h after dark	36.6348	35.8487	37.4209
12 h after dark	35.80825	34.3989	37.2176