condition	mean	min	max
4 h after light	18.776391	17.665503	19.887279
8 h after light	15.231090000000002	13.820434	16.641746
12 h after light	17.8050535	16.525214	19.084893
4 h after dark	17.0023555	15.975699	18.029012
8 h after dark	33.9629725	19.59482	48.331125
12 h after dark	21.933647	21.933647	21.933647