condition mean min max 0 h after light 0.1455615 0.0 0.291123 2 h after light 0.07291 0.0 0.14582 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.146195 0.0 0.29239 2 h after dark 0.0814655 0.0 0.162931 4 h after dark 0.0699515 0.0 0.139903 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0