condition	mean	min	max
4 h after light	473.1	473.1	473.1
8 h after light	519.25	459.7	578.8
12 h after light	556.05	528.3	583.8
4 h after dark	627.45	490.2	764.7
8 h after dark	722.35	653.5	791.2
12 h after dark	562.4	549.5	575.3