condition	mean	min	max
4 h after light	36.0041	29.1263	42.8819
8 h after light	40.24065	39.8543	40.627
12 h after light	45.795	43.9194	47.6706
4 h after dark	58.81973333333333	56.1739	61.9167
8 h after dark	55.746566666666666	55.642	55.8445
12 h after dark	41.3138	39.001	42.6904