condition mean min max 4 h after light 418.3753765 378.115846 458.634907 8 h after light 534.971515 492.864819 577.078211 12 h after light 613.6461300000001 544.387049 682.905211 4 h after dark 765.1901310000001 528.590329 1001.789933 8 h after dark 793.8099415 486.23398 1101.385903 12 h after dark 595.216708 595.216708 595.216708