condition	mean	min	max
4 h after light	8.194135	7.8372	8.55107
8 h after light	10.876100000000001	10.2609	11.4913
12 h after light	13.76925	12.5058	15.0327
4 h after dark	22.187350000000002	21.4468	22.9279
8 h after dark	22.2843	21.7826	22.786
12 h after dark	17.0405	16.4682	17.6128