condition mean min max 3 h after light 1.7860055 0.738151 2.79448 7 h after light 1.89129725 0.977707 4.01365 11 h after light 2.634725 1.8173 5.09639 2 h after dark 2.9009525 2.01384 3.81513 6 h after dark 2.583981666666667 1.35861 3.76313 10 h after dark 2.3799866666666665 1.23506 4.17479