condition	mean	min	max
4 h after light	20843.4	20843.4	20843.4
8 h after light	20090.4	19187.5	20993.3
12 h after light	15554.400000000001	13402.4	17706.4
4 h after dark	6694.1	1410.6	11977.6
8 h after dark	1805.6999999999998	1634.3	1977.1
12 h after dark	6285.150000000001	1832.1	10738.2