condition	mean	min	max
4 h after light	13.7842635	13.579392	13.989135
8 h after light	13.4498935	12.712805	14.186982
12 h after light	17.938819000000002	16.959676	18.917962
4 h after dark	21.936552499999998	20.88075	22.992355
8 h after dark	20.012123000000003	18.090599	21.933647
12 h after dark	14.706786	14.706786	14.706786