condition mean min max 4 h after light 222.08785350000002 63.823568 380.352139 8 h after light 147.2880505 124.153117 170.422984 12 h after light 295.1930655 281.815313 308.570818 4 h after dark 1063.3319795 516.781551 1609.882408 8 h after dark 1074.640024 997.817222 1151.462826 12 h after dark 459.221802 459.221802 459.221802