condition mean min max 0 h after light 0.721725 0.0 1.44345 2 h after light 0.0 0.0 0.0 4 h after light 0.328584 0.0 0.657168 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.3451045 0.0 0.690209 4 h after dark 0.0 0.0 0.0 8 h after dark 0.7406315 0.727193 0.75407 12 h after dark 0.0 0.0 0.0