condition mean min max 4 h after light 1490.354 1300.53 1782.78 8 h after light 1533.9501666666667 746.1775 1941.71 12 h after light 1277.0299333333332 933.5139 1916.8429999999998 16 h after light 914.5795666666668 699.3354 1292.7830000000001 4 h after dark 714.3114 527.8218 889.9780000000001 8 h after dark 544.2345666666666 467.9314 636.6808