condition	mean	min	max
4 h after light	4543.8	4543.8	4543.8
8 h after light	3974.45	3455.0	4493.9
12 h after light	3568.65	3202.3	3935.0
4 h after dark	3056.05	2749.2	3362.9
8 h after dark	4200.8	3293.9	5107.7
12 h after dark	6836.7	5583.0	8090.4