condition mean min max 4 h after light 1080.712851 974.508792 1186.91691 8 h after light 1170.3587805 1041.218361 1299.4992 12 h after light 1274.4317624999999 1137.467571 1411.395954 4 h after dark 1212.9078295 977.770518 1448.045141 8 h after dark 1347.4397235000001 1230.082083 1464.797364 12 h after dark 1128.74475 1128.74475 1128.74475