condition mean min max 4 h after light 304.861224 250.929154 358.793294 8 h after light 245.726764 215.800598 275.65293 12 h after light 250.42958900000002 221.184943 279.674235 4 h after dark 203.29807449999998 201.455503 205.140646 8 h after dark 164.225644 159.216157 169.235131 12 h after dark 433.223275 433.223275 433.223275