condition	mean	min	max
4 h after light	8.8	8.8	8.8
8 h after light	26.65	14.9	38.4
12 h after light	19.35	9.0	29.7
4 h after dark	19.2	6.5	31.9
8 h after dark	4.85	4.2	5.5
12 h after dark	39.1	6.9	71.3