condition mean min max 4 h after light 137.727426 83.343523 192.111329 8 h after light 71.47192749999999 67.301604 75.642251 12 h after light 87.734797 61.408059 114.061535 4 h after dark 117.655416 72.329145 162.981687 8 h after dark 221.8483865 189.489312 254.207461 12 h after dark 235.371277 235.371277 235.371277