condition mean min max 4 h after light 3.2995013333333336 3.200466 3.405158 8 h after light 2.467187 1.366483 3.3179800000000004 12 h after light 1.9538970000000002 1.464028 2.445984 16 h after light 3.2707740000000003 2.873616 3.7140230000000005 4 h after dark 13.681949999999999 1.8632099999999998 36.46066 8 h after dark 1.7124146666666666 1.49952 1.883302