condition	mean	min	max
4 h after light	16626.2	16626.2	16626.2
8 h after light	13293.75	10056.5	16531.0
12 h after light	9930.8	9341.7	10519.9
4 h after dark	13330.45	10320.3	16340.6
8 h after dark	16457.0	15925.6	16988.4
12 h after dark	16440.9	16151.7	16730.1