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 0.16311833333333334 0.0 0.489355 12 h after light 0.0 0.0 0.0 3 h after dark 0.15048066666666668 0.0 0.451442 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