condition mean min max 4 h after light 5.6 5.6 5.6 8 h after light 10.399999999999999 4.1 16.7 12 h after light 12.200000000000001 6.8 17.6 4 h after dark 19.9 12.1 27.7 8 h after dark 13.4 4.8 22.0 12 h after dark 10.5 3.6 17.4