condition mean min max 2 h after light 1.9593574999999999 0.0 4.1408 6 h after light 1.4602711666666666 0.0 3.35708 10 h after light 1.7273035 0.443248 4.09264 14 h after light 1.5923051666666668 0.0 2.88887 18 h after light 1.6743021666666666 0.973443 2.1533 2 h after dark 1.3605748333333332 0.0 3.76685