condition mean min max 4 h after light 74.1711415 72.982949 75.359334 8 h after light 176.480208 112.093215 240.867201 12 h after light 154.289603 83.663255 224.915951 4 h after dark 229.678045 182.379806 276.976284 8 h after dark 80.558003 38.654278 122.461728 12 h after dark 36.476759 36.476759 36.476759