condition mean min max 4 h after light 170.883 156.6101 190.2297 8 h after light 182.96483333333333 128.9341 239.4952 12 h after light 194.62426666666667 133.1075 256.5594 16 h after light 209.6355 164.9146 284.1971 4 h after dark 264.3343 243.2834 299.8594 8 h after dark 163.60046666666665 141.1438 188.1674