condition mean min max 4 h after light 37.8134 32.3259 43.3009 8 h after light 45.550399999999996 45.1707 45.9301 12 h after light 40.1961 37.3983 42.9939 4 h after dark 44.1218 42.7075 46.4937 8 h after dark 52.141666666666666 51.2764 52.8619 12 h after dark 39.122566666666664 36.0019 42.5583