condition	mean	min	max
0 h after light	20.0535	18.977	21.13
4 h after light	13.1079	12.8087	13.4071
8 h after light	17.03935	16.9182	17.1605
4 h after dark	25.9613	25.3451	26.5775
8 h after dark	23.75845	23.5294	23.9875
12 h after dark	19.77115	18.5387	21.0036