condition	mean	min	max
4 h after light	8669.191111	8155.633333	9469.12
8 h after light	6518.427222	5505.275	7751.943333
12 h after light	3651.9188886666666	3191.363333	4372.91
1.5 h after dark	3293.5866666666666	3067.19	3677.88
5.5 h after dark	4130.954444333333	3946.153333	4245.95
9.5 h after dark	6850.742222333333	6710.106667	6930.796667