condition mean min max 4 h after light 1.134546 0.980112 1.28898 8 h after light 1.6963599999999999 1.49848 1.89424 12 h after light 4.041650000000001 4.02163 4.06167 4 h after dark 4.2692266666666665 4.2131 4.3258 8 h after dark 2.21831 1.8112 2.58873 12 h after dark 2.0152866666666664 1.44044 2.58596