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hawaii-plot.py
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hawaii-plot.py
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# -*- coding: utf-8 -*-
"""
Created on Tue Apr 30 13:03:36 2019
@author: ahall
"""
import pandas as pd
from matplotlib import pyplot as plt
import datetime
names=['year',
'month',
'decimal date',
'average',
'interpolated',
'trend',
'num days']
df = pd.read_csv('co2_mm_mlo.txt',
comment='#',
sep="\s+",
header=None,
index_col=1,
names=names,
na_values=[-99.99, -1],
parse_dates={'date':[0, 1]}
)
fig=plt.figure()
plt.plot(df['date'],df['average'],color='r')
plt.plot(df['date'],df['trend'],color='k')
plt.xlabel('YEAR')
plt.ylabel('PARTS PER MILLION')
plt.grid(b=True, which='major', axis='both')
plt.text(datetime.date(1958,1,1), 400, 'Scripps Institution of Oceanography\nNOAA Earth System Research Laboratory')
fig.suptitle(r'Atmospheric $CO_2$ at Mauna Loa Observatory')
fig.savefig('hawaii_plot.png')