condition	mean	min	max
4 h after light	42.149950000000004	39.1529	45.147
8 h after light	25.95955	25.6393	26.2798
12 h after light	11.469750000000001	10.8207	12.1188
4 h after dark	15.0354	14.2747	15.7961
8 h after dark	20.9889	20.6905	21.2873
12 h after dark	27.161299999999997	26.5629	27.7597