condition	mean	min	max
0 h after light	14.4932	13.8006	15.1858
4 h after light	17.009900000000002	16.2189	17.8009
8 h after light	14.86275	14.6811	15.0444
4 h after dark	15.5353	15.0451	16.0255
8 h after dark	20.60985	20.1729	21.0468
12 h after dark	13.969899999999999	12.5654	15.3744