condition mean min max 0 h after light 0.064584 0.0 0.129168 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0320144 0.0 0.0640288 12 h after dark 0.03148985 0.0 0.0629797