condition mean min max 4 h after light 1785.7274575 1231.663991 2339.790924 8 h after light 1069.1435735 941.453669 1196.833478 12 h after light 1010.5115404999999 870.756403 1150.266678 4 h after dark 1583.006692 1106.396712 2059.616672 8 h after dark 2082.664721 1978.532208 2186.797234 12 h after dark 2579.961618 2579.961618 2579.961618