condition	mean	min	max
0 h after light	11.07	10.8816	11.2584
4 h after light	20.4239	17.7639	23.0839
8 h after light	16.1337	14.4719	17.7955
4 h after dark	17.9932	17.9409	18.0455
8 h after dark	14.7315	14.7051	14.7579
12 h after dark	12.23185	11.0451	13.4186