condition mean min max 3 h after light 1.0864643333333333 0.892623 1.28689 6 h after light 1.3564386666666666 0.845276 1.69046 9 h after light 1.83522 1.42526 2.39311 12 h after light 2.01619 1.68912 2.34737 3 h after dark 2.152966666666667 1.77822 2.66548 6 h after dark 2.940793333333333 2.45684 3.55617 9 h after dark 1.91351 1.86933 1.97875 12 h after dark 1.5917050000000001 1.5788 1.60461