condition	mean	min	max
4 h after light	13473.8	13473.8	13473.8
8 h after light	15031.45	13764.5	16298.4
12 h after light	13937.25	13400.1	14474.4
4 h after dark	13816.1	13605.5	14026.7
8 h after dark	13124.7	11240.4	15009.0
12 h after dark	12847.8	12803.5	12892.1