condition	mean	min	max
4 h after light	0.9628105	0.918391	1.00723
8 h after light	3.863575	3.51786	4.20929
12 h after light	11.610164999999999	9.53563	13.6847
4 h after dark	18.76695	17.6745	19.8594
8 h after dark	10.326005	9.86951	10.7825
12 h after dark	3.41647	2.95038	3.88256