condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.041396333333333334 0.0 0.124189 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0