condition mean min max 0 h after light 2.689775 2.42317 2.95638 4 h after light 36.2166 35.6003 36.8329 8 h after light 26.80275 24.6225 28.983 4 h after dark 4.23116 3.97502 4.4873 8 h after dark 1.1956 1.06771 1.32349 12 h after dark 1.7270699999999999 1.57533 1.87881