condition	mean	min	max
4 h after light	16.3290245	15.804514	16.853535
8 h after light	23.2713285	16.63508	29.907577
12 h after light	21.055094	20.597092	21.513096
4 h after dark	25.1596925	20.97368	29.345705
8 h after dark	23.278392	21.617906	24.938878
12 h after dark	21.552831	21.552831	21.552831