condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.32458933333333334 0.0 0.973768 9 h after light 0.0 0.0 0.0 12 h after light 0.223333 0.0 0.893332 3 h after dark 0.46457 0.0 1.39371 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.548615 0.0 1.09723