condition mean min max 4 h after light 220.454516 193.609908 247.299124 8 h after light 245.21353449999998 215.732584 274.694485 12 h after light 297.48072249999996 295.421696 299.539749 4 h after dark 444.577321 349.230278 539.924364 8 h after dark 388.3474415 366.385903 410.30898 12 h after dark 319.334082 319.334082 319.334082