condition mean min max 4 h after light 1928.8627780000002 1672.536667 2250.985 8 h after light 1995.0866666666666 1749.5 2280.836667 12 h after light 1720.181111 1394.033333 1914.933333 1.5 h after dark 1479.267778 1193.676667 1727.676667 5.5 h after dark 1524.521111 1202.633333 1748.48 9.5 h after dark 1490.8355556666666 1354.126667 1763.59