condition mean min max 4 h after light 1023.0178034999999 924.748168 1121.287439 8 h after light 1264.0644525 1192.719111 1335.409794 12 h after light 1609.6557275 1170.056664 2049.254791 4 h after dark 1542.6409725 1385.665273 1699.616672 8 h after dark 1823.199713 1821.398138 1825.001288 12 h after dark 1547.58732 1547.58732 1547.58732