condition mean min max 4 h after light 3.4532249999999998 3.280636 3.658611 8 h after light 2.389367 1.642869 2.791085 12 h after light 2.297511 1.76755 3.21915 16 h after light 3.283774333333333 2.765563 3.855775 4 h after dark 2.9452596666666664 2.494191 3.2011849999999997 8 h after dark 4.211125666666667 1.7345540000000002 9.131126