condition	mean	min	max
4 h after light	19.6	19.6	19.6
8 h after light	21.85	19.9	23.8
12 h after light	16.35	6.0	26.7
4 h after dark	28.5	18.1	38.9
8 h after dark	14.450000000000001	2.6	26.3
12 h after dark	29.35	2.6	56.1