condition mean min max 4 h after light 11.31832 11.15068 11.49885 8 h after light 11.233413333333333 11.058019999999999 11.46176 12 h after light 11.01878 10.7103 11.248489999999999 4 h after dark 11.03373 10.706339999999999 11.29652 8 h after dark 10.926896666666666 10.753810000000001 11.11104 12 h after dark 10.67271 10.452960000000001 10.97456