condition	mean	min	max
4 h after light	11206.4	11206.4	11206.4
8 h after light	13508.75	12070.9	14946.6
12 h after light	14746.15	13596.9	15895.4
4 h after dark	11231.2	6976.8	15485.6
8 h after dark	8257.3	7317.0	9197.6
12 h after dark	8615.65	7310.5	9920.8