condition mean min max 4 h after light 49.6953545 47.268284 52.122425 8 h after light 54.206973500000004 53.817608 54.596339 12 h after light 71.374275 61.408059 81.340491 4 h after dark 107.377826 69.237906 145.517746 8 h after dark 111.835641 26.534975 197.136307 12 h after dark 39.956745 39.956745 39.956745