condition	mean	min	max
4 h after light	18550.100000000002	10179.7	25552.4
8 h after light	11882.29	3116.55	23055.9
12 h after light	12297.403333333334	7055.51	19488.1
4 h after dark	13620.636666666667	9782.61	15552.1
8 h after dark	14983.866666666667	10528.3	17493.9
12 h after dark	18909.3	16917.8	21653.6