condition	mean	min	max
4 h after light	20.11012	16.94859	22.50977
8 h after light	9.427543	6.906674000000001	13.04762
12 h after light	13.89224	11.46171	17.235039999999998
16 h after light	18.007876666666665	16.10984	20.68968
4 h after dark	19.675496666666668	16.85519	21.09475
8 h after dark	13.80826	11.96391	14.87