condition mean min max 3 h after light 519.032 511.713 526.225 6 h after light 262.4993333333333 227.656 314.946 9 h after light 91.809 61.3366 122.549 12 h after light 105.32815000000001 28.5995 332.711 3 h after dark 19.861633333333334 16.4775 21.5927 6 h after dark 68.09023333333333 63.0222 73.6679 9 h after dark 224.67633333333333 218.637 232.022 12 h after dark 392.1175 334.036 450.199