condition	mean	min	max
4 h after light	23.6	23.6	23.6
8 h after light	40.2	35.7	44.7
12 h after light	21.9	3.9	39.9
4 h after dark	19.05	10.0	28.1
8 h after dark	36.9	31.9	41.9
12 h after dark	43.05	39.8	46.3