condition mean min max 4 h after light 2.8 2.8 2.8 8 h after light 26.700000000000003 2.7 50.7 12 h after light 5.2 2.6 7.8 4 h after dark 8.9 2.2 15.6 8 h after dark 10.399999999999999 8.2 12.6 12 h after dark 13.200000000000001 3.3 23.1