condition	mean	min	max
4 h after light	20.388159	15.787623	24.988695
8 h after light	20.412205999999998	19.498195	21.326217
12 h after light	19.003731000000002	16.480011	21.527451
4 h after dark	22.107315	17.035609	27.179021
8 h after dark	24.816173499999998	21.326217	28.30613
12 h after dark	21.326217	21.326217	21.326217