condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.044119 0.0 0.132357 9 h after light 0.13111 0.0 0.39333 12 h after light 0.06483675 0.0 0.136492 3 h after dark 0.06314533333333333 0.0 0.189436 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0