condition mean min max 4 h after light 1102.048999 951.789018 1252.30898 8 h after light 1327.5138285 1096.875833 1558.151824 12 h after light 1306.928479 1070.236101 1543.620857 4 h after dark 1098.2109874999999 721.421487 1475.000488 8 h after dark 1009.071132 683.809034 1334.33323 12 h after dark 1223.682152 1223.682152 1223.682152