condition mean min max 4 h after light 319.1033 302.247052 335.959548 8 h after light 393.05233599999997 375.879134 410.225538 12 h after light 507.16618800000003 467.30898 547.023396 4 h after dark 449.9600085 358.658275 541.261742 8 h after dark 426.3790395 362.770518 489.987561 12 h after dark 386.462826 386.462826 386.462826