View Monthly Charts

The following tables present IEM computed monthly data summaries based on daily data provided by or computed for the IEM. A download interface exists for the daily summary information. The climatology is provided by the nearest NCEI climate station () within the current 1991-2020 dataset.

To load shown data into Microsoft Excel, highlight the table information with your mouse and then copy/paste into Excel.

Precipitation Totals [inch]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1999	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M	M	M	M
2000	M	M	M	M	M	M	M	M	M	M	M	M
2001	M	M	M	M	M	M	M	M	M	M	M	M
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	M
2007	M	0.00	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	0.00	0.00	0.00	0.00	0.00
2012	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2013	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M	M
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	0.00	M	M	M	M	M
2017	M	M	M	M	M	M	0.00	M	M	M	M	M
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	M	M
2021	M	M	M	M	M	M	M	M	M	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
2026	M	M	M	M	M	M	M	M	M	M	M	M

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1999	3.4	7.9	4.6	8.1	7.2	5.0	M	M	M	M	M	M
2000	M	M	M	M	M	M	M	M	M	M	M	M
2001	M	M	M	M	M	M	M	M	M	M	M	M
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	11.0	7.5	6.6	7.7	8.6	8.0	8.4	2.1	0.0	0.0	0.0
2005	0.0	7.4	5.6	4.7	8.6	7.0	8.7	8.5	7.5	9.7	8.4	8.6
2006	6.3	7.9	7.4	7.5	7.9	8.3	8.3	8.7	6.3	8.3	5.6	5.1
2007	3.8	4.5	7.4	5.2	6.6	8.0	8.9	9.3	5.7	7.5	6.2	8.2
2008	4.8	6.8	8.1	8.6	7.5	9.8	8.4	10.3	6.3	9.7	10.1	9.1
2009	8.3	7.5	10.1	7.6	9.7	7.8	9.2	8.7	8.3	8.1	7.8	9.4
2010	9.2	10.4	8.7	8.3	9.2	8.2	8.9	7.1	9.4	6.6	7.3	1.7
2011	4.2	8.5	7.8	6.5	7.0	8.7	10.6	5.2	3.3	7.3	5.2	5.3
2012	5.0	8.2	7.4	8.4	7.0	7.9	8.8	7.2	5.9	5.6	6.9	3.9
2013	6.7	7.6	10.7	7.6	8.6	8.8	4.9	6.5	6.7	6.4	8.8	7.5
2014	7.7	8.4	7.4	6.0	9.1	8.0	8.2	9.1	6.6	6.3	6.3	7.9
2015	7.3	12.4	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	7.0	M	M	M	M	M
2017	M	M	M	M	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2018	0.0	0.0	0.0	0.0	0.0	0.4	8.0	8.1	6.0	7.2	6.5	5.2
2019	7.3	6.9	10.5	8.5	9.2	12.1	9.4	8.2	8.1	6.8	8.6	9.0
2020	8.2	6.2	8.9	9.1	6.9	9.0	8.2	8.7	6.9	8.0	8.1	6.7
2021	8.2	8.2	8.6	7.3	9.0	9.1	9.7	8.8	8.9	7.6	8.4	7.9
2022	8.6	7.0	10.2	11.1	8.7	10.9	9.3	8.0	8.4	7.7	7.0	7.7
2023	6.6	8.6	8.3	8.1	9.8	9.0	9.7	10.3	7.0	8.8	6.6	8.3
2024	7.9	10.5	9.2	9.5	9.5	8.8	7.9	10.3	10.1	8.9	6.9	7.7
2025	9.4	7.6	10.0	8.6	8.5	8.5	9.8	8.9	8.6	7.2	9.3	7.8
2026	8.8	10.1	10.1	6.7	7.4	9.1	8.0	9.0	7.4	7.9	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1999	57.38	57.92	65.49	67.73	72.23	72.32	M	M	M	M	M	M
2000	M	M	M	M	M	M	M	M	M	M	M	M
2001	M	M	M	M	M	M	M	M	M	M	M	M
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	56.12	62.71	68.00	73.97	86.90	83.98	85.40	77.00	M	M	M
2005	58.24	59.90	66.11	70.34	75.90	86.19	84.33	87.29	83.49	73.60	61.46	58.42
2006	56.16	58.82	62.54	70.33	77.38	80.29	86.38	89.37	80.66	72.50	66.26	58.94
2007	56.95	60.94	64.99	69.66	73.14	77.16	84.47	84.44	82.17	76.13	68.22	58.60
2008	62.04	64.31	64.49	69.13	69.52	82.57	84.13	81.41	78.88	72.01	63.49	58.13
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	62.60	M	M	M	80.60	M	M	M	M	M	62.60	56.14
2011	56.05	M	M	M	M	69.80	M	79.31	84.43	79.95	62.13	60.80
2012	58.92	60.12	69.88	63.34	76.45	79.25	82.71	84.77	82.48	70.78	60.55	58.92
2013	59.41	58.22	60.89	66.94	70.78	79.61	84.50	86.62	81.97	73.00	62.74	59.47
2014	59.39	59.54	64.66	68.82	74.46	78.61	82.90	82.23	79.50	76.60	63.95	59.11
2015	56.42	55.04	M	66.20	M	M	M	M	M	M	M	59.00
2016	M	M	55.40	M	M	M	85.35	M	M	M	M	M
2017	M	M	M	M	77.24	83.10	83.52	85.26	82.85	80.08	66.59	59.42
2018	59.74	59.54	61.08	67.74	72.95	76.64	79.09	88.54	85.84	74.60	63.27	60.71
2019	58.10	63.50	69.61	66.48	77.95	73.89	82.32	84.71	83.05	74.57	64.22	60.80
2020	59.26	64.97	67.03	66.92	80.15	78.98	89.60	84.59	83.79	72.25	64.71	59.60
2021	56.30	62.24	68.16	70.14	75.28	78.89	83.14	84.85	80.27	79.70	64.74	63.01
2022	60.54	64.83	63.30	66.29	80.77	78.42	90.68	84.85	79.50	75.98	66.04	63.45
2023	58.59	61.18	67.62	77.40	78.39	84.51	85.40	89.86	82.14	76.06	66.46	59.21
2024	62.43	64.85	65.16	73.12	75.20	78.14	88.45	85.19	80.76	74.50	67.73	61.96
2025	61.05	62.51	64.12	69.98	75.77	83.06	86.70	87.29	80.37	78.50	64.89	60.02
2026	58.14	62.69	66.94	72.63	78.44	83.75	87.31	84.54	87.88	78.00	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1999	45.44	43.76	54.53	57.63	62.73	64.40	M	M	M	M	M	M
2000	M	M	M	M	M	M	M	M	M	M	M	M
2001	M	M	M	M	M	M	M	M	M	M	M	M
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	48.20	52.01	55.85	61.65	71.15	69.58	70.10	65.97	M	M	M
2005	43.65	44.40	49.74	56.75	61.90	69.99	70.75	70.70	65.39	61.14	51.42	48.24
2006	43.97	46.10	53.23	58.33	63.82	67.66	72.11	72.76	67.56	64.33	58.52	48.91
2007	46.39	50.72	53.29	57.18	59.77	64.71	69.58	68.09	66.20	61.16	53.36	49.32
2008	49.73	52.61	54.76	57.18	60.96	68.60	68.74	68.36	65.35	59.50	53.13	48.98
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	62.60	M	M	M	80.60	M	M	M	M	M	57.20	51.47
2011	46.73	M	M	M	M	66.20	M	67.49	68.23	62.93	54.93	50.51
2012	44.27	47.38	55.48	55.15	63.85	69.05	69.64	71.11	69.39	61.02	52.05	50.63
2013	51.55	49.45	53.78	56.95	59.57	65.93	69.27	70.63	67.31	63.00	54.39	50.00
2014	53.44	52.07	52.83	58.51	62.85	66.86	69.66	69.71	68.47	65.27	57.74	50.74
2015	46.87	48.20	M	66.20	M	M	M	M	M	M	M	59.00
2016	M	M	53.60	M	M	M	72.42	M	M	M	M	M
2017	M	M	M	M	66.32	70.27	71.15	70.29	66.20	62.83	54.30	47.88
2018	50.41	48.83	53.74	56.77	61.92	67.10	69.94	69.47	69.47	60.73	54.65	52.27
2019	47.07	49.46	54.93	55.68	67.05	69.96	69.96	69.54	68.49	61.74	58.37	52.46
2020	50.17	52.56	58.03	64.76	66.76	67.46	72.50	71.13	67.51	60.55	56.42	52.30
2021	47.12	54.05	55.95	57.71	63.09	66.02	68.90	68.98	67.67	62.51	53.94	54.83
2022	48.29	50.94	55.71	57.02	65.17	67.53	73.40	69.39	68.23	64.40	58.35	56.88
2023	48.36	48.67	55.18	62.30	66.61	72.07	71.17	72.71	67.49	63.97	56.86	51.48
2024	53.43	54.77	55.59	58.81	62.60	67.91	71.52	71.33	67.67	64.48	58.73	51.59
2025	51.72	51.80	55.78	58.55	64.49	69.61	70.90	71.94	66.05	65.23	56.30	52.66
2026	51.29	55.40	55.81	59.00	66.29	71.08	75.04	73.06	71.21	63.90	M	M

Average Daily Temperature (high+low)/2 [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1999	51.41	50.84	60.01	62.68	67.48	68.36	M	M	M	M	M	M
2000	M	M	M	M	M	M	M	M	M	M	M	M
2001	M	M	M	M	M	M	M	M	M	M	M	M
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	52.16	57.36	61.92	67.81	79.02	76.78	77.75	71.49	M	M	M
2005	50.95	52.15	57.93	63.55	68.90	78.09	77.54	79.00	74.44	67.37	56.44	53.33
2006	50.06	52.46	57.88	64.32	70.60	73.98	79.24	81.06	74.11	68.41	62.39	53.93
2007	51.67	55.83	59.14	63.42	66.46	70.94	77.03	76.26	74.18	68.65	60.79	53.96
2008	55.88	58.46	59.62	63.16	65.24	75.59	76.43	74.88	72.11	65.75	58.31	53.55
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	62.60	M	M	M	80.60	M	M	M	M	M	59.90	53.80
2011	51.39	M	M	M	M	68.00	M	73.40	76.33	71.44	58.53	55.66
2012	51.60	53.75	62.68	59.25	70.15	74.15	76.18	77.94	75.94	65.90	56.30	54.77
2013	55.48	53.83	57.34	61.95	65.18	72.77	76.89	78.63	74.64	68.00	58.57	54.74
2014	56.42	55.80	58.74	63.66	68.65	72.74	76.28	75.97	73.99	70.93	60.84	54.92
2015	51.64	51.62	M	66.20	M	M	M	M	M	M	M	59.00
2016	M	M	54.50	M	M	M	78.88	M	M	M	M	M
2017	M	M	M	M	71.78	76.69	77.34	77.78	74.53	71.45	60.45	53.65
2018	55.07	54.18	57.41	62.26	67.44	71.87	74.52	79.00	77.65	67.66	58.96	56.49
2019	52.59	56.48	62.27	61.08	72.50	71.93	76.14	77.13	75.77	68.16	61.29	56.63
2020	54.71	58.76	62.53	65.84	73.46	73.22	81.05	77.86	75.65	66.40	60.57	55.95
2021	51.71	58.15	62.05	63.93	69.19	72.46	76.02	76.92	73.97	71.11	59.34	58.92
2022	54.41	57.89	59.51	61.65	72.97	72.97	82.04	77.12	73.87	70.19	62.19	60.16
2023	53.48	54.93	61.40	69.85	72.50	78.29	78.29	81.29	74.81	70.01	61.66	55.35
2024	57.93	59.81	60.37	65.96	68.90	73.02	79.99	78.26	74.22	69.49	63.23	56.78
2025	56.38	57.15	59.95	64.27	70.13	76.34	78.80	79.61	73.21	71.86	60.60	56.34
2026	54.71	59.04	61.37	65.81	72.37	77.41	81.17	78.80	79.54	70.95	M	M

Average Relative Humidity [%]

This value is computed via a simple average of available observations weighted by the duration between observations.

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1999	87.5%	53.2%	76.2%	69.0%	72.6%	66.6%	M	M	M	M	M	M
2000	M	M	M	M	M	M	M	M	M	M	M	M
2001	M	M	M	M	M	M	M	M	M	M	M	M
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	72.5%	72.7%	70.3%	64.5%	59.9%	54.4%	58.1%	79.3%	M	M	M
2005	72.5%	60.8%	70.8%	81.7%	70.1%	64.6%	66.2%	63.8%	70.0%	80.6%	80.5%	73.7%
2006	79.8%	78.6%	83.2%	74.3%	62.1%	66.4%	63.6%	58.7%	71.4%	83.6%	86.2%	75.6%
2007	84.5%	84.6%	66.7%	70.0%	69.4%	66.9%	57.0%	57.4%	67.9%	68.0%	66.3%	75.8%
2008	85.5%	80.0%	71.7%	72.6%	72.3%	59.2%	63.6%	62.4%	73.1%	68.6%	67.7%	79.7%
2009	80.1%	77.1%	63.0%	71.6%	61.4%	68.0%	65.1%	61.4%	65.2%	75.0%	82.6%	87.5%
2010	82.7%	84.9%	77.4%	69.2%	61.7%	65.0%	59.5%	61.7%	72.5%	77.2%	81.8%	81.8%
2011	84.4%	78.9%	73.2%	68.7%	70.9%	63.2%	60.8%	65.3%	67.8%	65.2%	85.0%	80.8%
2012	81.0%	62.8%	59.9%	71.6%	66.5%	61.2%	57.9%	62.5%	64.0%	83.2%	80.1%	93.1%
2013	85.7%	78.3%	82.6%	74.1%	62.6%	61.2%	67.9%	63.7%	69.3%	82.1%	70.5%	75.1%
2014	83.6%	84.4%	76.0%	79.8%	64.4%	66.5%	64.1%	64.0%	79.0%	76.9%	85.2%	75.1%
2015	82.2%	69.4%	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	52.9%	M	M	M	M	M
2017	M	M	M	M	67.5%	60.9%	59.8%	60.0%	63.3%	69.5%	70.5%	77.2%
2018	80.5%	67.4%	77.7%	74.9%	67.6%	64.0%	66.2%	60.3%	63.5%	66.3%	83.9%	86.5%
2019	80.0%	73.7%	56.3%	70.2%	59.6%	53.5%	61.9%	60.6%	62.2%	72.4%	77.7%	79.3%
2020	84.3%	79.5%	66.4%	77.1%	65.3%	62.7%	56.4%	62.9%	65.1%	72.4%	80.7%	84.3%
2021	79.9%	85.5%	64.8%	77.2%	58.7%	60.1%	58.3%	60.9%	67.7%	65.7%	67.2%	79.7%
2022	72.1%	67.7%	71.6%	67.0%	57.1%	61.9%	53.1%	64.8%	70.7%	81.5%	83.1%	89.9%
2023	76.3%	68.6%	73.8%	52.9%	54.0%	57.3%	55.7%	54.8%	71.8%	77.4%	81.4%	80.4%
2024	87.2%	78.4%	77.3%	67.6%	58.5%	63.3%	61.6%	61.1%	61.2%	76.2%	78.9%	76.4%
2025	77.9%	83.6%	77.9%	75.5%	63.0%	59.4%	57.4%	60.0%	57.7%	72.4%	78.4%	84.5%
2026	81.9%	80.4%	68.1%	70.0%	60.9%	57.6%	54.0%	65.3%	57.8%	60.6%	M	M

Monthly Plots

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Sep 2026

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