condition	mean	min	max
0 h after light	49.92945	49.401	50.4579
4 h after light	19.175	18.1015	20.2485
8 h after light	16.90305	15.359	18.4471
4 h after dark	25.920749999999998	22.1677	29.6738
8 h after dark	28.92295	26.9818	30.8641
12 h after dark	39.77335	29.3199	50.2268