condition	mean	min	max
4 h after light	19.7	19.7	19.7
8 h after light	24.35	16.7	32.0
12 h after light	41.55	36.7	46.4
4 h after dark	42.8	36.0	49.6
8 h after dark	18.9	8.8	29.0
12 h after dark	33.2	30.4	36.0