condition mean min max 3 h after light 169.251 150.389 193.945 6 h after light 109.97876666666667 87.6616 152.132 9 h after light 86.15606666666667 84.1875 87.641 12 h after light 61.057433333333336 42.0145 78.4364 3 h after dark 249.002 201.715 300.021 6 h after dark 211.545 144.8 312.381 9 h after dark 240.23033333333333 227.878 255.805 12 h after dark 208.767 197.345 229.708