condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.010118025 0.0 0.0404721 3 h after dark 0.0 0.0 0.0 6 h after dark 0.032383833333333334 0.0 0.0510642 9 h after dark 0.014776166666666667 0.0 0.0443285 12 h after dark 0.0 0.0 0.0