condition mean min max 3 h after light 1.5955693333333334 0.637908 2.51906 6 h after light 1.3634199999999999 1.0775 1.53781 9 h after light 1.0974599999999999 0.83489 1.41865 12 h after light 1.183351 0.782324 1.54642 3 h after dark 1.0813736666666667 0.839081 1.2063 6 h after dark 1.4660833333333334 1.02913 2.17474 9 h after dark 1.45225 1.20086 1.76124 12 h after dark 1.35929 1.29405 1.42453