#!/usr/bin/python
# -*- coding: utf8 -*-

import numpy as np
import matplotlib as mpl
import matplotlib.pyplot as plt
import string

fname = 'super95price_weekly_germany2014'

# deviations in percent from the average weekly price for super 95 gasoline
# in Germany Nov2014 - Jun2015
# all values are spaced by 5 minutes starting at 0:00 on Monday morning
# source: Markttransparenzstelle für Kraftstoffe
super95_pricedev_perc_week_5m = [
2.798, 2.810, 2.814, 2.817, 2.817, 2.817,
2.820, 2.820, 2.820, 2.818, 2.818, 2.816,
2.818, 2.825, 2.831, 2.833, 2.833, 2.833,
2.833, 2.831, 2.834, 2.836, 2.841, 2.841,
2.841, 2.841, 2.841, 2.842, 2.842, 2.844,
2.842, 2.842, 2.844, 2.845, 2.845, 2.845,
2.845, 2.857, 2.860, 2.872, 2.872, 2.872,
2.872, 2.858, 2.858, 2.858, 2.856, 2.861,
2.861, 2.851, 2.863, 2.861, 2.854, 2.852,
2.850, 2.852, 2.852, 2.850, 2.848, 2.842,
2.843, 2.778, 2.719, 2.704, 2.670, 2.540,
2.400, 2.321, 2.278, 2.254, 2.233, 2.212,
2.181, 2.166, 2.144, 2.125, 2.079, 2.007,
1.919, 1.869, 1.810, 1.760, 1.697, 1.657,
1.619, 1.576, 1.538, 1.492, 1.433, 1.366,
1.313, 1.272, 1.234, 1.183, 1.147, 1.102,
1.061, 1.025, 0.982, 0.943, 0.880, 0.830,
0.789, 0.736, 0.683, 0.642, 0.596, 0.543,
0.499, 0.461, 0.405, 0.369, 0.316, 0.270,
0.222, 0.177, 0.128, 0.071, 0.025, -0.011,
-0.065, -0.097, -0.149, -0.188, -0.236, -0.290,
-0.333, -0.374, -0.411, -0.454, -0.488, -0.527,
-0.563, -0.594, -0.635, -0.686, -0.727, -0.778,
-0.818, -0.867, -0.903, -0.957, -0.985, -1.034,
-1.082, -1.123, -1.172, -1.220, -1.256, -1.312,
-1.350, -1.398, -1.434, -1.471, -1.507, -1.548,
-1.579, -1.611, -1.652, -1.689, -1.720, -1.761,
-1.780, -1.817, -1.836, -1.872, -1.891, -1.914,
-1.954, -1.971, -2.010, -2.046, -2.090, -2.114,
-2.143, -2.167, -2.203, -2.225, -2.247, -2.278,
-2.297, -2.324, -2.343, -2.372, -2.401, -2.423,
-2.462, -2.479, -2.501, -2.530, -2.553, -2.571,
-2.602, -2.619, -2.638, -2.660, -2.689, -2.711,
-2.732, -2.752, -2.780, -2.802, -2.821, -2.833,
-2.866, -2.879, -2.900, -2.912, -2.942, -2.951,
-2.965, -2.989, -3.011, -3.026, -3.035, -3.049,
-3.071, -3.081, -3.091, -3.095, -3.127, -3.136,
-3.148, -3.156, -3.167, -3.185, -3.189, -3.194,
-3.199, -3.131, -3.126, -3.129, -3.131, -3.133,
-3.133, -3.141, -3.155, -3.157, -3.159, -3.164,
-3.164, -2.413, -2.266, -2.266, -2.258, -2.243,
-2.248, -2.219, -2.203, -2.183, -2.174, -2.174,
-2.166, -1.708, -1.211, -1.196, -1.194, -1.182,
-1.172, -1.164, -1.154, -1.147, -1.142, -1.140,
-0.697, 0.300, 0.572, 0.682, 0.709, 0.740,
0.757, 0.764, 0.769, 0.786, 0.890, 0.917,
1.081, 1.727, 2.215, 2.383, 2.614, 2.687,
2.728, 2.760, 2.797, 2.801, 2.806, 2.813,
2.821, 2.826, 2.831, 2.833, 2.833, 2.833,
2.834, 2.834, 2.829, 2.829, 2.829, 2.827,
2.832, 2.837, 2.839, 2.839, 2.847, 2.847,
2.849, 2.847, 2.847, 2.850, 2.850, 2.853,
2.853, 2.855, 2.858, 2.858, 2.858, 2.858,
2.858, 2.861, 2.864, 2.864, 2.864, 2.864,
2.864, 2.876, 2.876, 2.877, 2.877, 2.877,
2.877, 2.877, 2.877, 2.877, 2.875, 2.873,
2.875, 2.885, 2.887, 2.883, 2.869, 2.866,
2.864, 2.867, 2.867, 2.864, 2.867, 2.859,
2.862, 2.775, 2.731, 2.721, 2.693, 2.596,
2.462, 2.369, 2.327, 2.300, 2.272, 2.262,
2.236, 2.207, 2.192, 2.164, 2.116, 2.037,
1.949, 1.901, 1.830, 1.775, 1.722, 1.680,
1.623, 1.592, 1.544, 1.502, 1.443, 1.384,
1.324, 1.283, 1.234, 1.190, 1.147, 1.103,
1.049, 1.034, 0.991, 0.952, 0.902, 0.854,
0.796, 0.753, 0.697, 0.656, 0.617, 0.566,
0.523, 0.485, 0.444, 0.395, 0.344, 0.296,
0.250, 0.222, 0.165, 0.108, 0.057, 0.021,
-0.020, -0.059, -0.107, -0.148, -0.192, -0.248,
-0.289, -0.321, -0.364, -0.403, -0.442, -0.476,
-0.520, -0.544, -0.592, -0.643, -0.691, -0.740,
-0.776, -0.817, -0.865, -0.899, -0.947, -0.986,
-1.025, -1.066, -1.119, -1.156, -1.201, -1.242,
-1.293, -1.333, -1.375, -1.406, -1.440, -1.467,
-1.504, -1.528, -1.569, -1.598, -1.643, -1.670,
-1.711, -1.726, -1.771, -1.800, -1.834, -1.866,
-1.890, -1.921, -1.948, -1.977, -2.013, -2.052,
-2.076, -2.104, -2.137, -2.160, -2.188, -2.216,
-2.235, -2.265, -2.289, -2.314, -2.342, -2.370,
-2.396, -2.420, -2.441, -2.464, -2.494, -2.513,
-2.543, -2.557, -2.581, -2.609, -2.636, -2.656,
-2.688, -2.714, -2.735, -2.758, -2.779, -2.800,
-2.814, -2.833, -2.858, -2.882, -2.900, -2.924,
-2.940, -2.957, -2.984, -2.994, -3.005, -3.022,
-3.046, -3.060, -3.066, -3.085, -3.104, -3.113,
-3.129, -3.134, -3.153, -3.158, -3.164, -3.172,
-3.183, -3.113, -3.109, -3.113, -3.118, -3.121,
-3.125, -3.136, -3.141, -3.141, -3.150, -3.150,
-3.150, -2.447, -2.267, -2.263, -2.251, -2.251,
-2.241, -2.211, -2.192, -2.183, -2.171, -2.166,
-2.151, -1.718, -1.248, -1.215, -1.213, -1.203,
-1.201, -1.180, -1.177, -1.170, -1.163, -1.154,
-0.710, 0.209, 0.538, 0.634, 0.701, 0.739,
0.753, 0.774, 0.788, 0.811, 0.907, 0.933,
1.113, 1.713, 2.155, 2.350, 2.610, 2.650,
2.688, 2.718, 2.751, 2.758, 2.758, 2.777,
2.785, 2.785, 2.785, 2.785, 2.785, 2.789,
2.789, 2.789, 2.791, 2.794, 2.794, 2.825,
2.825, 2.832, 2.834, 2.839, 2.847, 2.847,
2.847, 2.847, 2.850, 2.850, 2.850, 2.852,
2.852, 2.855, 2.857, 2.857, 2.857, 2.857,
2.857, 2.857, 2.857, 2.857, 2.858, 2.858,
2.858, 2.870, 2.880, 2.880, 2.880, 2.880,
2.880, 2.880, 2.882, 2.878, 2.880, 2.883,
2.881, 2.875, 2.881, 2.878, 2.871, 2.869,
2.861, 2.857, 2.857, 2.854, 2.857, 2.850,
2.845, 2.774, 2.728, 2.714, 2.689, 2.570,
2.443, 2.350, 2.307, 2.289, 2.264, 2.248,
2.215, 2.192, 2.171, 2.146, 2.094, 2.009,
1.930, 1.859, 1.807, 1.745, 1.680, 1.641,
1.588, 1.561, 1.517, 1.459, 1.411, 1.346,
1.280, 1.243, 1.196, 1.152, 1.110, 1.062,
1.017, 0.981, 0.946, 0.902, 0.841, 0.790,
0.729, 0.692, 0.648, 0.594, 0.548, 0.498,
0.459, 0.421, 0.375, 0.330, 0.281, 0.235,
0.185, 0.146, 0.097, 0.044, -0.001, -0.036,
-0.080, -0.125, -0.167, -0.210, -0.264, -0.314,
-0.358, -0.401, -0.437, -0.478, -0.514, -0.559,
-0.600, -0.628, -0.682, -0.739, -0.782, -0.830,
-0.877, -0.909, -0.955, -0.993, -1.039, -1.077,
-1.121, -1.163, -1.202, -1.257, -1.300, -1.343,
-1.387, -1.424, -1.476, -1.515, -1.554, -1.583,
-1.626, -1.658, -1.690, -1.733, -1.767, -1.792,
-1.828, -1.850, -1.882, -1.909, -1.942, -1.971,
-2.008, -2.028, -2.062, -2.093, -2.144, -2.157,
-2.188, -2.218, -2.241, -2.279, -2.295, -2.315,
-2.347, -2.368, -2.397, -2.423, -2.449, -2.481,
-2.502, -2.531, -2.554, -2.570, -2.599, -2.619,
-2.646, -2.660, -2.696, -2.716, -2.732, -2.766,
-2.788, -2.814, -2.833, -2.854, -2.881, -2.902,
-2.922, -2.943, -2.956, -2.983, -2.999, -3.008,
-3.042, -3.056, -3.078, -3.088, -3.101, -3.121,
-3.137, -3.149, -3.157, -3.176, -3.194, -3.205,
-3.224, -3.233, -3.237, -3.252, -3.262, -3.269,
-3.273, -3.194, -3.192, -3.203, -3.208, -3.210,
-3.212, -3.228, -3.232, -3.235, -3.235, -3.235,
-3.235, -2.584, -2.371, -2.368, -2.355, -2.341,
-2.343, -2.291, -2.273, -2.255, -2.244, -2.244,
-2.235, -1.768, -1.320, -1.279, -1.277, -1.267,
-1.267, -1.254, -1.245, -1.240, -1.229, -1.225,
-0.790, 0.166, 0.435, 0.564, 0.605, 0.627,
0.647, 0.700, 0.716, 0.734, 0.838, 0.868,
1.041, 1.680, 2.106, 2.271, 2.514, 2.606,
2.638, 2.674, 2.708, 2.717, 2.731, 2.738,
2.738, 2.745, 2.754, 2.754, 2.754, 2.756,
2.757, 2.757, 2.759, 2.757, 2.757, 2.757,
2.757, 2.760, 2.767, 2.768, 2.780, 2.782,
2.785, 2.785, 2.785, 2.785, 2.787, 2.787,
2.788, 2.788, 2.788, 2.788, 2.788, 2.790,
2.788, 2.788, 2.789, 2.789, 2.789, 2.789,
2.789, 2.805, 2.805, 2.807, 2.807, 2.810,
2.810, 2.810, 2.820, 2.811, 2.806, 2.806,
2.809, 2.802, 2.815, 2.811, 2.802, 2.797,
2.793, 2.795, 2.796, 2.796, 2.794, 2.787,
2.785, 2.721, 2.677, 2.649, 2.636, 2.516,
2.391, 2.303, 2.251, 2.222, 2.192, 2.171,
2.139, 2.110, 2.094, 2.067, 2.025, 1.946,
1.864, 1.795, 1.733, 1.684, 1.628, 1.580,
1.536, 1.494, 1.453, 1.402, 1.341, 1.279,
1.214, 1.178, 1.122, 1.078, 1.033, 0.993,
0.939, 0.907, 0.863, 0.811, 0.771, 0.715,
0.661, 0.614, 0.558, 0.524, 0.467, 0.422,
0.380, 0.341, 0.287, 0.239, 0.193, 0.145,
0.091, 0.048, 0.003, -0.042, -0.091, -0.134,
-0.171, -0.216, -0.256, -0.299, -0.352, -0.393,
-0.435, -0.478, -0.521, -0.562, -0.594, -0.634,
-0.668, -0.700, -0.743, -0.793, -0.838, -0.885,
-0.927, -0.960, -1.010, -1.039, -1.085, -1.133,
-1.169, -1.207, -1.250, -1.291, -1.337, -1.386,
-1.431, -1.474, -1.519, -1.547, -1.587, -1.623,
-1.651, -1.680, -1.711, -1.750, -1.789, -1.814,
-1.848, -1.873, -1.909, -1.934, -1.970, -1.990,
-2.018, -2.045, -2.065, -2.108, -2.142, -2.174,
-2.197, -2.224, -2.249, -2.276, -2.296, -2.323,
-2.351, -2.367, -2.389, -2.423, -2.444, -2.480,
-2.512, -2.519, -2.552, -2.578, -2.600, -2.618,
-2.645, -2.661, -2.683, -2.706, -2.734, -2.758,
-2.792, -2.806, -2.836, -2.854, -2.883, -2.892,
-2.912, -2.927, -2.951, -2.978, -2.994, -3.010,
-3.024, -3.051, -3.055, -3.063, -3.081, -3.095,
-3.115, -3.124, -3.143, -3.154, -3.170, -3.179,
-3.193, -3.202, -3.215, -3.224, -3.231, -3.242,
-3.246, -3.175, -3.130, -3.135, -3.146, -3.148,
-3.150, -3.152, -3.164, -3.164, -3.164, -3.164,
-3.164, -2.547, -2.338, -2.309, -2.306, -2.275,
-2.270, -2.248, -2.230, -2.218, -2.216, -2.213,
-2.208, -1.778, -1.270, -1.241, -1.241, -1.230,
-1.228, -1.216, -1.211, -1.205, -1.198, -1.189,
-0.749, 0.134, 0.465, 0.597, 0.662, 0.703,
0.721, 0.726, 0.738, 0.751, 0.849, 0.885,
1.061, 1.727, 2.161, 2.329, 2.610, 2.647,
2.699, 2.719, 2.756, 2.765, 2.767, 2.774,
2.779, 2.790, 2.793, 2.800, 2.800, 2.800,
2.800, 2.800, 2.798, 2.798, 2.798, 2.798,
2.798, 2.798, 2.801, 2.801, 2.803, 2.805,
2.841, 2.839, 2.846, 2.848, 2.848, 2.848,
2.853, 2.853, 2.856, 2.856, 2.860, 2.860,
2.862, 2.860, 2.860, 2.861, 2.861, 2.861,
2.859, 2.865, 2.868, 2.868, 2.870, 2.870,
2.870, 2.870, 2.868, 2.871, 2.871, 2.871,
2.871, 2.882, 2.877, 2.873, 2.870, 2.870,
2.865, 2.868, 2.868, 2.868, 2.868, 2.861,
2.857, 2.792, 2.760, 2.746, 2.710, 2.574,
2.410, 2.327, 2.291, 2.277, 2.248, 2.232,
2.207, 2.182, 2.153, 2.140, 2.097, 2.001,
1.907, 1.863, 1.792, 1.747, 1.689, 1.645,
1.608, 1.581, 1.539, 1.494, 1.440, 1.380,
1.319, 1.268, 1.233, 1.184, 1.145, 1.099,
1.058, 1.031, 0.982, 0.926, 0.892, 0.836,
0.782, 0.740, 0.683, 0.634, 0.591, 0.538,
0.501, 0.456, 0.405, 0.359, 0.305, 0.261,
0.200, 0.157, 0.112, 0.052, -0.010, -0.042,
-0.096, -0.130, -0.182, -0.234, -0.273, -0.322,
-0.370, -0.413, -0.463, -0.493, -0.549, -0.581,
-0.622, -0.654, -0.701, -0.758, -0.803, -0.862,
-0.894, -0.944, -0.989, -1.027, -1.070, -1.105,
-1.143, -1.188, -1.235, -1.280, -1.319, -1.369,
-1.421, -1.472, -1.513, -1.540, -1.591, -1.620,
-1.649, -1.683, -1.719, -1.767, -1.798, -1.824,
-1.856, -1.885, -1.910, -1.949, -1.973, -2.002,
-2.039, -2.053, -2.096, -2.127, -2.164, -2.195,
-2.225, -2.250, -2.279, -2.302, -2.333, -2.352,
-2.370, -2.403, -2.420, -2.451, -2.481, -2.503,
-2.544, -2.560, -2.580, -2.614, -2.632, -2.638,
-2.661, -2.685, -2.708, -2.731, -2.747, -2.784,
-2.805, -2.817, -2.845, -2.861, -2.889, -2.906,
-2.927, -2.948, -2.966, -2.983, -3.013, -3.024,
-3.036, -3.052, -3.076, -3.094, -3.101, -3.111,
-3.132, -3.141, -3.166, -3.178, -3.193, -3.199,
-3.213, -3.222, -3.236, -3.241, -3.255, -3.257,
-3.265, -3.192, -3.185, -3.199, -3.204, -3.204,
-3.203, -3.217, -3.224, -3.230, -3.228, -3.226,
-3.223, -2.497, -2.350, -2.336, -2.324, -2.324,
-2.324, -2.310, -2.284, -2.264, -2.252, -2.247,
-2.247, -1.808, -1.308, -1.273, -1.277, -1.261,
-1.256, -1.249, -1.242, -1.240, -1.233, -1.225,
-0.776, 0.173, 0.443, 0.546, 0.581, 0.654,
0.701, 0.708, 0.715, 0.731, 0.848, 0.849,
1.025, 1.680, 2.094, 2.314, 2.581, 2.628,
2.663, 2.698, 2.719, 2.736, 2.743, 2.746,
2.755, 2.762, 2.769, 2.777, 2.777, 2.784,
2.784, 2.784, 2.785, 2.785, 2.785, 2.785,
2.785, 2.787, 2.790, 2.788, 2.790, 2.791,
2.791, 2.791, 2.798, 2.798, 2.798, 2.798,
2.798, 2.798, 2.798, 2.799, 2.799, 2.799,
2.799, 2.799, 2.799, 2.799, 2.800, 2.800,
2.800, 2.814, 2.814, 2.814, 2.814, 2.814,
2.820, 2.820, 2.822, 2.822, 2.818, 2.823,
2.825, 2.823, 2.825, 2.825, 2.823, 2.814,
2.811, 2.812, 2.807, 2.810, 2.810, 2.805,
2.805, 2.751, 2.708, 2.688, 2.665, 2.590,
2.502, 2.411, 2.380, 2.357, 2.341, 2.320,
2.294, 2.280, 2.276, 2.267, 2.232, 2.162,
2.100, 2.063, 2.024, 1.999, 1.979, 1.944,
1.917, 1.901, 1.867, 1.830, 1.787, 1.734,
1.681, 1.651, 1.591, 1.562, 1.520, 1.486,
1.449, 1.417, 1.360, 1.307, 1.251, 1.178,
1.104, 1.053, 0.996, 0.940, 0.889, 0.835,
0.786, 0.734, 0.683, 0.627, 0.568, 0.508,
0.452, 0.408, 0.338, 0.283, 0.223, 0.178,
0.123, 0.068, 0.011, -0.045, -0.097, -0.160,
-0.211, -0.264, -0.312, -0.346, -0.409, -0.449,
-0.491, -0.535, -0.586, -0.657, -0.708, -0.757,
-0.849, -0.848, -0.897, -0.941, -0.990, -1.029,
-1.072, -1.118, -1.167, -1.221, -1.270, -1.307,
-1.352, -1.400, -1.442, -1.484, -1.522, -1.559,
-1.611, -1.642, -1.684, -1.731, -1.759, -1.796,
-1.826, -1.854, -1.899, -1.924, -1.959, -1.980,
-2.017, -2.041, -2.074, -2.118, -2.157, -2.178,
-2.213, -2.243, -2.266, -2.296, -2.322, -2.350,
-2.359, -2.398, -2.422, -2.450, -2.480, -2.499,
-2.527, -2.543, -2.561, -2.594, -2.620, -2.629,
-2.647, -2.675, -2.687, -2.710, -2.731, -2.752,
-2.770, -2.784, -2.800, -2.820, -2.837, -2.849,
-2.872, -2.886, -2.896, -2.912, -2.939, -2.951,
-2.961, -2.969, -2.984, -3.000, -3.016, -3.025,
-3.036, -3.041, -3.059, -3.064, -3.083, -3.092,
-3.096, -3.110, -3.120, -3.124, -3.131, -3.135,
-3.142, -3.077, -3.074, -3.084, -3.089, -3.093,
-3.100, -3.100, -3.102, -3.102, -3.104, -3.104,
-3.109, -2.497, -2.278, -2.248, -2.243, -2.231,
-2.231, -2.210, -2.183, -2.178, -2.178, -2.173,
-2.158, -1.730, -1.299, -1.259, -1.257, -1.250,
-1.243, -1.224, -1.214, -1.205, -1.205, -1.193,
-0.872, 0.065, 0.353, 0.473, 0.556, 0.604,
0.625, 0.632, 0.646, 0.662, 0.767, 0.786,
0.933, 1.518, 1.965, 2.119, 2.380, 2.411,
2.458, 2.479, 2.513, 2.524, 2.531, 2.514,
2.524, 2.536, 2.538, 2.540, 2.540, 2.541,
2.548, 2.550, 2.548, 2.564, 2.567, 2.567,
2.583, 2.583, 2.593, 2.593, 2.598, 2.598,
2.596, 2.598, 2.601, 2.606, 2.606, 2.624,
2.603, 2.620, 2.620, 2.632, 2.634, 2.634,
2.634, 2.634, 2.634, 2.635, 2.637, 2.637,
2.660, 2.672, 2.672, 2.672, 2.672, 2.677,
2.678, 2.678, 2.675, 2.669, 2.676, 2.678,
2.678, 2.676, 2.680, 2.676, 2.673, 2.671,
2.671, 2.669, 2.669, 2.645, 2.648, 2.635,
2.633, 2.571, 2.531, 2.518, 2.505, 2.396,
2.280, 2.223, 2.188, 2.165, 2.140, 2.125,
2.109, 2.102, 2.089, 2.084, 2.064, 2.017,
1.988, 1.960, 1.933, 1.896, 1.886, 1.854,
1.834, 1.816, 1.797, 1.796, 1.767, 1.736,
1.705, 1.684, 1.652, 1.627, 1.602, 1.579,
1.557, 1.534, 1.491, 1.455, 1.417, 1.346,
1.288, 1.241, 1.188, 1.125, 1.080, 1.037,
0.989, 0.931, 0.876, 0.821, 0.766, 0.703,
0.644, 0.600, 0.537, 0.466, 0.415, 0.362,
0.311, 0.261, 0.200, 0.145, 0.094, 0.033,
-0.017, -0.054, -0.117, -0.163, -0.218, -0.252,
-0.298, -0.344, -0.397, -0.460, -0.508, -0.556,
-0.604, -0.646, -0.701, -0.750, -0.788, -0.835,
-0.876, -0.907, -0.963, -1.001, -1.046, -1.094,
-1.125, -1.181, -1.222, -1.268, -1.295, -1.334,
-1.367, -1.401, -1.435, -1.464, -1.505, -1.525,
-1.563, -1.580, -1.624, -1.655, -1.691, -1.708,
-1.747, -1.771, -1.807, -1.840, -1.875, -1.908,
-1.932, -1.963, -1.990, -2.007, -2.045, -2.062,
-2.084, -2.120, -2.132, -2.158, -2.178, -2.212,
-2.231, -2.250, -2.277, -2.309, -2.333, -2.342,
-2.361, -2.378, -2.405, -2.419, -2.431, -2.460,
-2.470, -2.487, -2.509, -2.523, -2.535, -2.544,
-2.561, -2.581, -2.590, -2.610, -2.622, -2.632,
-2.646, -2.661, -2.673, -2.688, -2.695, -2.704,
-2.719, -2.726, -2.741, -2.757, -2.762, -2.764,
-2.774, -2.782, -2.789, -2.798, -2.801, -2.812,
-2.817, -2.755, -2.752, -2.764, -2.764, -2.764,
-2.764, -2.769, -2.769, -2.768, -2.771, -2.771,
-2.770, -2.160, -1.971, -1.933, -1.923, -1.923,
-1.913, -1.871, -1.855, -1.850, -1.845, -1.845,
-1.843, -1.388, -0.939, -0.913, -0.907, -0.905,
-0.900, -0.895, -0.885, -0.875, -0.873, -0.859,
-0.472, 0.403, 0.737, 0.803, 0.843, 0.881,
0.884, 0.889, 0.896, 0.915, 1.017, 1.029,
1.179, 1.785, 2.225, 2.383, 2.637, 2.678,
2.714, 2.746, 2.771, 2.780, 2.787, 2.797
]

plt.close('all')
fig = plt.figure(figsize=(421/72., 321/72.))
ax = fig.gca()
plt.xlim(0, 7)
plt.ylim(-3.5, 3.5)
plt.title('Super 95 Benzin')
plt.xlabel('Wochentag')
plt.ylabel('relative Preisabweichung')
plt.grid(True, linestyle='-', linewidth=0.4)
plt.grid(True, which='minor')

ax.yaxis.set_major_formatter(mpl.ticker.FormatStrFormatter('%+d %%'))
ax.set_xticks(np.arange(7))
minorxticks = filter(lambda x: x!=int(x), np.arange(0, 7, 1/4.))
ax.set_xticks(minorxticks, minor=True)
ax.set_xticklabels([])
wd = ['Mo', 'Di', 'Mi', 'Do', 'Fr', 'Sa', 'So']
ax.set_xticklabels([wd[int(i)] if i-0.5 == int(i) else '' for i in minorxticks], minor=True)

fig.canvas.draw()
for l in ax.yaxis.get_gridlines():
    if l.get_ydata()[0] == 0.0:
        l.set_linewidth(1)

plt.plot(np.arange(0, 7, 1.0/(24*12)), super95_pricedev_perc_week_5m, '-', lw=2.4)

plt.tight_layout()
plt.savefig(fname + '.svg')
f = open(fname + '.svg', 'r')
txt = string.replace(f.read(), 'pt', 'px', 2)
f.close()
f = open(fname + '.svg', 'w')
f.write(txt)
f.close()