condition	mean	min	max
4 h after light	7.0	7.0	7.0
8 h after light	17.15	14.8	19.5
12 h after light	29.6	18.2	41.0
4 h after dark	36.0	23.1	48.9
8 h after dark	35.55	13.2	57.9
12 h after dark	14.0	11.5	16.5