condition	mean	min	max
4 h after light	18.4	18.4	18.4
8 h after light	16.55	11.6	21.5
12 h after light	7.8	2.1	13.5
4 h after dark	15.8	5.5	26.1
8 h after dark	36.95	26.3	47.6
12 h after dark	38.3	29.5	47.1