condition mean min max 4 h after light 513.747842 463.104399 564.391285 8 h after light 599.3053669999999 551.748219 646.862515 12 h after light 619.0536675000001 588.461179 649.646156 4 h after dark 675.80561 657.668881 693.942339 8 h after dark 649.7485475000001 594.30898 705.188115 12 h after dark 559.725334 559.725334 559.725334