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 0.0547730949975 0.0 0.12319 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 3.7634e-08 0.0 1.12902e-07 12 h after dark 0.0 0.0 0.0