condition	mean	min	max
4 h after light	157.369111	136.25961	178.478612
8 h after light	165.125824	161.796033	168.455615
12 h after light	183.131574	172.463721	193.799427
4 h after dark	188.048973	177.998724	198.099222
8 h after dark	191.9542475	178.907207	205.001288
12 h after dark	177.155134	177.155134	177.155134