condition mean min max 0 h after light 8.055865 6.84652 9.26521 2 h after light 3.60934 1.23261 5.98607 4 h after light 2.581435 1.88987 3.273 8 h after light 5.044205 4.62012 5.46829 12 h after light 6.8467400000000005 4.85335 8.84013 2 h after dark 3.54373 2.95572 4.13174 4 h after dark 3.50866 2.75939 4.25793 8 h after dark 6.99891 5.27609 8.72173 12 h after dark 4.02509 1.31341 6.73677