condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.049528333333333334 0.0 0.29717 10 h after light 0.03683683333333333 0.0 0.221021 14 h after light 0.159748 0.0 0.533274 18 h after light 0.015952749999999998 0.0 0.0957165 2 h after dark 0.0216745 0.0 0.130047