condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.02217153333333333 0.0 0.0665146 9 h after light 0.0 0.0 0.0 12 h after light 0.0421812 0.0 0.0732745 3 h after dark 0.04745403333333333 0.0 0.080885 6 h after dark 0.06423856666666666 0.0 0.115195 9 h after dark 0.0 0.0 0.0 12 h after dark 0.04234966666666667 0.0 0.127049