condition mean min max 0 h after light 1.171363 0.781836 1.56089 4 h after light 0.769475 0.0 1.53895 8 h after light 1.5777295 0.772129 2.38333 4 h after dark 1.5375325 0.766495 2.30857 8 h after dark 4.628035000000001 3.87559 5.38048 12 h after dark 1.5333225 0.779395 2.28725