condition mean min max 3 h after light 0.151895 0.0 0.27044 6 h after light 0.153477 0.0 0.341345 9 h after light 0.5730143333333333 0.242448 1.20844 12 h after light 1.13329125 0.336804 2.6502 3 h after dark 0.8024686666666667 0.696185 0.875758 6 h after dark 1.214407 0.601461 1.79313 9 h after dark 0.40094833333333335 0.126808 0.716036 12 h after dark 0.34473 0.0 0.68946