condition	mean	min	max
4 h after light	6.565313333333333	4.01564	8.26508
8 h after light	14.747693333333334	4.91778	21.3274
12 h after light	15.775	10.8791	19.8655
4 h after dark	28.826	23.695	32.3381
8 h after dark	14.392733333333334	12.8912	16.3287
12 h after dark	7.959	7.02204	8.48488