condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.29500166666666666 0.0 0.634194 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0