condition	mean	min	max
4 h after light	9.43988	8.58966	10.2901
8 h after light	11.361049999999999	10.9885	11.7336
12 h after light	16.99715	16.7008	17.2935
4 h after dark	21.29915	20.6246	21.9737
8 h after dark	20.0519	19.881	20.2228
12 h after dark	15.364249999999998	15.2564	15.4721