condition mean min max 0 h after light 8.976775 8.66397 9.28958 2 h after light 31.44325 30.4196 32.4669 4 h after light 34.3024 32.2658 36.339 8 h after light 19.0413 16.5124 21.5702 12 h after light 6.828810000000001 6.74805 6.90957 2 h after dark 3.664565 3.35203 3.9771 4 h after dark 1.58904 1.1406 2.03748 8 h after dark 1.44862 1.26332 1.63392 12 h after dark 19.04035 18.6605 19.4202