condition mean min max 4 h after light 540.2542135 467.700065 612.808362 8 h after light 539.078211 539.078211 539.078211 12 h after light 599.9659819999999 567.323276 632.608688 4 h after dark 558.557647 458.679937 658.435357 8 h after dark 505.5906405 443.11613 568.065151 12 h after dark 635.909249 635.909249 635.909249