condition	mean	min	max
4 h after light	6660.8	6660.8	6660.8
8 h after light	7828.700000000001	7306.8	8350.6
12 h after light	7811.200000000001	7047.7	8574.7
4 h after dark	6260.9	4632.4	7889.4
8 h after dark	5067.65	4725.3	5410.0
12 h after dark	4558.65	4161.5	4955.8