condition	mean	min	max
4 h after light	19.617880000000003	16.751620000000003	22.25137
8 h after light	9.82603	7.130660000000001	11.62835
12 h after light	21.67273	18.252029999999998	24.3196
16 h after light	25.503130000000002	19.81566	28.433390000000003
4 h after dark	36.45784	30.32825	44.08837
8 h after dark	26.88403	23.08492	32.6707