condition mean min max 0 h after light 0.09070865 0.0605443 0.120873 4 h after light 0.2731245 0.238348 0.307901 8 h after light 0.304147 0.23917 0.369124 4 h after dark 0.237894 0.237425 0.238363 8 h after dark 0.328627 0.30012 0.357134 12 h after dark 0.2978325 0.241421 0.354244