condition mean min max 0 h after light 1.56228 1.56089 1.56367 4 h after light 1.2871000000000001 1.27294 1.30126 8 h after light 2.4953149999999997 2.24619 2.74444 4 h after dark 3.070935 2.51844 3.62343 8 h after dark 1.2642545 0.978269 1.55024 12 h after dark 1.330795 1.27537 1.38622