condition mean min max 4 h after light 2486.8834145 2269.15857 2704.608259 8 h after light 1727.9659270000002 1725.77672 1730.155134 12 h after light 1901.865863 1883.140404 1920.591322 4 h after dark 2023.1405180000002 1915.800555 2130.480481 8 h after dark 2087.6706409999997 1905.123744 2270.217538 12 h after dark 2838.946989 2838.946989 2838.946989