condition mean min max 4 h after light 13082.952105 12927.15899 13238.74522 8 h after light 11684.762345 11281.98108 12087.54361 12 h after light 11912.3511 11291.6535 12533.0487 4 h after dark 10684.155134 9490.001288 11878.30898 8 h after dark 9121.580256500001 6288.686663 11954.47385 12 h after dark 12171.84788 12171.84788 12171.84788