condition mean min max 0 h after light 1.155314 0.978578 1.33205 4 h after light 3.0266599999999997 2.97687 3.07645 8 h after light 2.6311400000000003 2.46 2.80228 4 h after dark 3.32231 2.52927 4.11535 8 h after dark 2.8127250000000004 2.27396 3.35149 12 h after dark 1.9211049999999998 1.15289 2.68932