condition	mean	min	max
0 h after light	56.65885	56.2478	57.0699
4 h after light	34.1035	31.7182	36.4888
8 h after light	18.2584	16.8386	19.6782
4 h after dark	18.153399999999998	17.8907	18.4161
8 h after dark	32.8399	32.7021	32.9777
12 h after dark	50.05575	49.8785	50.233