condition	mean	min	max
4 h after light	13.06445	12.6828	13.4461
8 h after light	23.8189	22.9441	24.6937
12 h after light	16.20815	13.3844	19.0319
4 h after dark	14.428	9.7144	18.8928
8 h after dark	13.4415	12.7469	14.6892
12 h after dark	16.934333333333335	14.5565	18.4466