condition mean min max 4 h after light 354.251888 272.920501 435.583275 8 h after light 317.530264 295.155134 339.905394 12 h after light 337.867607 248.58008 427.155134 4 h after dark 664.3474415000001 353.078211 975.616672 8 h after dark 713.66552 427.155134 1000.175906 12 h after dark 684.762262 684.762262 684.762262