condition mean min max 4 h after light 30.41565 28.8506 31.9807 8 h after light 21.8897 20.1763 23.6031 12 h after light 46.0047 39.9831 52.0263 4 h after dark 56.79376666666667 52.1966 61.9025 8 h after dark 49.8013 47.4863 52.2839 12 h after dark 44.13826666666667 43.2511 45.4512