condition mean min max 0 h after light 1.2122985 0.970877 1.45372 4 h after light 1.3258334999999999 0.740617 1.91105 8 h after light 1.2123819999999998 0.986534 1.43823 4 h after dark 0.596302 0.475913 0.716691 8 h after dark 0.959519 0.715868 1.20317 12 h after dark 0.8363245 0.725885 0.946764