condition	mean	min	max
3 h after light	3.263165	1.20729	6.69273
7 h after light	3.1309316666666667	1.22449	6.80265
11 h after light	5.31778	1.48677	9.23508
2 h after dark	7.938772500000001	2.36111	12.3658
6 h after dark	7.3563125	2.80288	14.3378
10 h after dark	5.049695	1.53597	10.4609