condition	mean	min	max
4 h after light	35.8	35.8	35.8
8 h after light	32.8	31.9	33.7
12 h after light	47.0	25.6	68.4
4 h after dark	19.6	2.6	36.6
8 h after dark	46.35	36.1	56.6
12 h after dark	44.95	34.9	55.0