condition mean min max 3 h after light 2.54224 1.95348 3.59177 6 h after light 7.983933333333334 5.11395 11.0005 9 h after light 6.882643333333333 6.17201 7.5889 12 h after light 4.6417375 4.14485 5.20449 3 h after dark 5.5418199999999995 4.77957 6.25835 6 h after dark 2.7090833333333335 2.5585 2.89637 9 h after dark 3.45634 3.11972 4.07102 12 h after dark 1.80877 1.5494 2.06814