condition	mean	min	max
4 h after light	9049.89111	8281.78	10437.12333
8 h after light	8063.427222333333	6523.395	9077.63
12 h after light	4815.352222333333	3836.616667	5742.56
1.5 h after dark	4478.197778	4052.58	5162.236667
5.5 h after dark	5480.851111	4822.303333	6108.216667
9.5 h after dark	7753.483333333334	6451.146667	8736.08