col0: 1/14/2014
North Dakota: 8
U.S.: 12.3
col0: 2/14/2014
North Dakota: 3.9
U.S.: 12.8
col0: 3/14/2014
North Dakota: 3.1
U.S.: 11.3
col0: 4/14/2014
North Dakota: 3.1
U.S.: 9.4
col0: 5/14/2014
North Dakota: 2.2
U.S.: 8.6
col0: 6/14/2014
North Dakota: 0.9
U.S.: 8.2
col0: 7/14/2014
North Dakota: 0.8
U.S.: 7.5
col0: 8/14/2014
North Dakota: 1.1
U.S.: 7.7
col0: 9/14/2014
North Dakota: 1.6
U.S.: 7
col0: 10/14/2014
North Dakota: 2
U.S.: 6.4
col0: 11/14/2014
North Dakota: 3
U.S.: 7.5
col0: 12/14/2014
North Dakota: 4.2
U.S.: 8.3
col0: 1/14/2015
North Dakota: 5.6
U.S.: 9.8
col0: 2/14/2015
North Dakota: 3.5
U.S.: 10.6
col0: 3/14/2015
North Dakota: 4.2
U.S.: 9.5
col0: 4/14/2015
North Dakota: 2.7
U.S.: 7.5
col0: 5/14/2015
North Dakota: 2.1
U.S.: 6.7
col0: 6/14/2015
North Dakota: 2.1
U.S.: 6.3
col0: 7/14/2015
North Dakota: 1.5
U.S.: 5.5
col0: 8/14/2015
North Dakota: 1.7
U.S.: 6.1
col0: 09/01/2015
North Dakota: 1.7
U.S.: 5.5
col0: 10/01/2015
North Dakota: 1.8
U.S.: 6.2
col0: 11/01/2015
North Dakota: 10.6
U.S.: 6.2
col0: 12/01/2015
North Dakota: 13.9
U.S.: 7.5
col0: 01/01/2016
North Dakota: 9.4
U.S.: 8.5
col0: 02/01/2016
North Dakota: 8.8
U.S.: 8.7
col0: 03/01/2016
North Dakota: 8.5
U.S.: 8.7
col0: 04/01/2016
North Dakota: 4.0
U.S.: 6.0
col0: 05/01/2016
North Dakota: 3.1
U.S.: 5.2
col0: 06/01/2016
North Dakota: 2.9
U.S.: 4.6
col0: 07/01/2016
North Dakota: 2.1
U.S.: 4.5
col0: 08/01/2016
North Dakota: 2.3
U.S.: 5.1
col0: 09/01/2016
North Dakota: 3.3
U.S.: 5.2
col0: 10/01/2016
North Dakota: 2.2
U.S.: 5.7
col0: 11/01/2016
North Dakota: 5.1
U.S.: 5.7
col0: 12/01/2016
North Dakota: 12.8
U.S.: 7.4
col0: 01/01/2017
North Dakota: 9.6
U.S.: 9.4
col0: 02/01/2017
North Dakota: 7.1
U.S.: 8.8
col0: 03/01/2017
North Dakota: 5.4
U.S.: 8.4
col0: 04/01/2017
North Dakota: 1.3
U.S.: 6.3
col0: 05/01/2017
North Dakota: 2.0
U.S.: 4.1
col0: 06/01/2017
North Dakota: 2.5
U.S.: 4.5
col0: 07/01/2017
North Dakota: 2.1
U.S.: 4.6
col0: 08/01/2017
North Dakota: 2.2
U.S.: 4.5
col0: 09/01/2017
North Dakota: 1.9
U.S.: 4.1
col0: 10/31/2017
North Dakota: 3.9
U.S.: 1.7
col0: 11/30/2017
North Dakota: 3.9
U.S.: 2.3
col0: 12/31/2017
North Dakota: 3.9
U.S.: 2.6
col0: 1/31/2018
North Dakota: 4.5
U.S.: 3.4
col0: 2/28/2018
North Dakota: 4.4
U.S.: 3.4
col0: 3/31/2018
North Dakota: 4.1
U.S.: 3.2
col0: 4/30/2018
North Dakota: 3.7
U.S.: 2.9
col0: 5/31/2018
North Dakota: 3.6
U.S.: 2.2
col0: 6/30/2018
North Dakota: 4.2
U.S.: 2.9
col0: 7/31/2018
North Dakota: 4.1
U.S.: 2.4
col0: 8/31/2018
North Dakota: 3.9
U.S.: 2.5
col0: 9/30/2018
North Dakota: 3.6
U.S.: 2.2