condition mean min max 4 h after light 1949.9051339999999 1403.501288 2496.30898 8 h after light 2329.3727504999997 2087.782675 2570.962826 12 h after light 2366.4763135 2193.385903 2539.566724 4 h after dark 1840.5324025 1050.248151 2630.816654 8 h after dark 986.9690800000001 595.04191 1378.89625 12 h after dark 1484.715977 1484.715977 1484.715977