condition	mean	min	max
4 h after light	12556.65278	7189.315	17434.12667
8 h after light	29197.653886666667	25763.785	32761.06333
12 h after light	42377.215553333335	31028.72333	50169.52
1.5 h after dark	47633.10111333333	34585.23	68090.98667
5.5 h after dark	73605.78	49358.4	96168.17333
9.5 h after dark	25324.132223333334	18225.47667	31460.83