condition	mean	min	max
4 h after light	31.6	31.6	31.6
8 h after light	44.85	42.7	47.0
12 h after light	18.5	1.7	35.3
4 h after dark	23.65	16.6	30.7
8 h after dark	24.05	20.0	28.1
12 h after dark	24.0	19.1	28.9