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
2001	M	M	0.00	M	M	M	M	M	M	M	M	M
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	0.00	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	0.00	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
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	9.1	8.3	6.4	5.1	5.9	4.8	5.2	M	M	M	M	M
2004	M	7.0	6.7	5.1	5.0	7.7	5.3	6.3	4.4	5.4	6.1	8.0
2005	8.3	7.6	8.0	4.4	3.9	3.8	3.7	4.0	4.3	3.4	3.6	4.8
2006	5.4	6.9	3.9	3.7	3.6	3.8	3.6	4.6	4.2	4.0	4.1	5.6
2007	6.1	5.7	4.3	3.8	3.6	3.5	3.3	3.7	3.6	3.8	3.8	5.8
2008	5.8	6.1	4.7	3.9	3.4	3.6	3.4	3.7	3.9	3.7	4.3	5.7
2009	6.9	4.9	4.0	4.0	3.3	3.7	3.9	5.1	4.2	3.8	4.1	6.5
2010	5.8	5.9	5.2	4.0	3.5	3.9	3.8	3.7	3.5	4.0	3.8	4.4
2011	6.1	5.3	4.6	4.2	3.5	3.4	3.6	4.0	3.8	4.1	4.9	6.3
2012	5.1	5.0	3.9	3.7	4.2	4.5	3.9	3.8	4.1	3.7	3.4	5.1
2013	5.5	5.7	4.5	3.7	3.4	3.9	3.2	3.3	3.8	3.6	4.3	5.7
2014	6.7	5.4	5.7	3.4	3.1	3.4	3.5	3.3	3.4	3.0	3.4	4.7
2015	5.1	5.5	4.6	3.1	2.7	2.7	3.7	3.1	3.0	2.7	3.4	4.4
2016	5.2	7.3	4.7	3.5	2.9	2.5	2.5	4.0	4.2	4.1	3.8	4.4
2017	4.8	5.8	4.2	3.5	3.1	3.2	3.2	3.5	3.7	3.5	3.8	5.3
2018	4.1	5.9	5.0	4.2	3.1	3.4	3.0	3.5	3.1	3.2	3.8	4.3
2019	6.6	5.9	4.5	3.7	3.5	3.2	3.2	3.3	3.0	3.0	3.9	6.6
2020	6.3	7.3	4.9	4.6	3.4	3.1	3.0	3.3	3.9	3.8	3.7	5.3
2021	6.8	6.3	5.4	3.5	3.4	3.1	3.4	3.8	3.4	3.6	3.2	5.7
2022	6.1	5.7	4.2	3.4	3.6	3.2	2.8	3.2	2.9	2.7	3.1	5.3
2023	5.2	6.1	6.1	3.7	3.7	3.3	3.4	3.4	2.4	2.4	4.2	6.1
2024	6.4	6.4	5.4	4.3	3.7	3.1	4.1	3.6	4.1	2.9	4.9	5.2
2025	6.5	5.8	5.8	4.1	2.9	3.4	3.1	3.5	3.1	2.8	4.0	5.8
2026	6.1	5.9	5.2	3.7	3.4	3.1	3.0	2.7	3.2	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	86.90	80.60	91.00	79.88	86.90	81.05	82.40	85.40	78.80	M	M	M
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	90.60	92.56	91.40	90.92	89.43	87.98	87.20	M	M	M	M	M
2004	M	93.80	90.65	90.14	89.37	88.58	86.81	87.68	87.08	87.39	90.56	89.60
2005	90.99	91.91	92.45	90.92	88.55	88.58	87.97	87.45	87.80	86.52	86.42	85.65
2006	89.31	92.49	91.05	89.36	87.39	86.60	87.28	87.51	86.12	87.45	89.54	89.66
2007	89.14	90.18	89.77	88.94	88.38	88.34	87.22	86.64	87.02	85.83	87.38	87.57
2008	90.12	91.09	89.72	88.76	87.16	87.38	86.23	86.75	86.24	86.64	86.78	87.22
2009	89.25	90.82	88.73	89.18	87.86	89.78	88.03	87.39	87.86	87.22	87.74	90.12
2010	90.59	92.62	93.49	91.70	90.59	88.76	87.34	87.92	87.32	88.26	87.44	86.06
2011	88.10	86.97	85.57	87.87	85.40	84.59	85.26	84.89	87.26	88.55	89.00	88.38
2012	87.57	90.03	89.19	88.10	88.79	89.42	87.28	87.92	86.66	88.26	89.06	89.43
2013	90.18	91.08	91.52	89.84	90.18	89.54	87.80	87.68	87.44	86.75	88.46	88.21
2014	89.48	91.79	93.49	89.36	89.37	89.96	89.43	87.34	86.66	87.68	88.94	87.39
2015	89.95	91.34	92.62	91.04	88.90	88.22	88.21	87.80	87.32	88.61	89.60	90.30
2016	92.33	93.63	93.72	92.72	90.41	89.36	88.67	88.79	88.34	86.99	88.34	87.63
2017	87.57	90.56	90.06	88.64	88.79	88.40	88.09	86.87	86.06	87.28	85.88	87.28
2018	86.17	91.21	92.21	90.50	88.73	88.88	87.74	88.85	86.78	87.63	89.60	89.31
2019	91.34	92.81	92.45	91.16	88.96	88.70	88.38	88.15	88.88	88.50	89.06	91.05
2020	92.62	93.32	92.33	92.90	89.54	88.40	87.80	88.90	87.62	87.51	88.70	88.79
2021	89.77	92.49	92.27	88.94	89.60	88.10	88.44	86.93	87.86	88.26	87.20	88.73
2022	91.46	90.24	90.41	89.78	89.66	87.86	89.14	87.80	86.18	86.52	87.98	87.74
2023	88.32	92.24	92.62	91.28	90.59	89.18	89.14	88.03	87.02	88.32	88.34	90.70
2024	92.56	94.63	94.65	93.32	91.34	89.66	89.25	88.21	88.46	88.44	89.12	89.72
2025	89.95	91.85	91.57	89.12	88.79	88.64	89.14	87.97	87.44	86.58	85.52	88.61
2026	90.18	91.14	93.14	90.62	89.95	89.06	88.26	89.19	88.16	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	86.90	78.80	88.00	79.88	86.00	81.05	82.40	85.40	77.00	M	M	M
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	79.20	78.16	77.99	79.04	78.80	77.42	76.40	M	M	M	M	M
2004	M	77.00	78.92	78.44	78.16	77.90	76.88	77.58	75.80	77.12	77.96	77.64
2005	77.70	78.35	78.80	78.98	78.68	78.26	77.81	77.46	77.96	76.71	76.70	76.25
2006	76.71	78.54	78.34	78.14	77.58	77.24	77.46	77.81	76.64	76.36	77.18	78.10
2007	77.35	76.87	77.29	78.14	78.28	77.90	77.17	77.06	77.18	76.48	76.40	77.00
2008	78.34	77.06	77.29	77.78	77.52	77.42	76.30	77.00	75.86	76.36	77.24	77.52
2009	77.23	76.29	76.83	78.14	77.93	78.68	77.46	78.39	77.72	77.23	77.24	78.63
2010	78.34	79.64	79.44	79.58	80.25	78.20	76.88	77.81	77.12	77.93	77.24	76.77
2011	77.90	80.12	78.92	81.27	81.33	81.38	80.23	77.76	76.64	77.52	78.14	78.10
2012	77.06	77.62	77.29	77.96	78.39	79.34	76.59	77.06	76.82	77.17	77.24	77.81
2013	78.39	78.54	78.86	78.86	79.38	78.98	77.70	77.00	77.60	76.65	77.36	78.39
2014	76.88	75.71	78.28	78.92	78.68	79.34	78.97	77.00	77.36	77.29	77.72	78.22
2015	77.17	77.19	78.45	78.32	79.26	78.02	78.28	76.71	77.30	77.81	77.66	78.63
2016	79.50	79.79	79.79	80.60	79.73	78.32	77.58	79.73	79.22	78.22	77.48	77.81
2017	77.06	77.64	77.99	78.56	78.92	78.68	77.64	76.94	76.04	76.48	76.64	76.77
2018	75.55	76.87	79.21	79.28	78.39	78.20	77.93	78.45	77.48	77.99	78.68	78.57
2019	79.44	79.31	80.08	80.36	79.03	79.04	78.22	77.64	78.08	77.29	78.20	79.55
2020	79.15	79.48	80.14	79.88	79.50	78.62	77.64	78.57	77.30	77.75	77.36	77.87
2021	78.39	77.45	78.80	78.56	78.97	78.74	78.63	77.64	77.60	78.05	77.30	78.16
2022	78.74	78.22	78.68	79.10	79.90	78.38	78.86	77.75	77.48	77.35	77.96	77.41
2023	77.87	78.67	78.74	79.40	79.03	79.28	79.38	78.57	77.00	78.22	78.68	80.02
2024	79.61	79.98	80.60	80.96	80.72	79.10	79.38	77.87	78.14	78.10	78.74	79.21
2025	78.34	77.71	78.22	77.84	77.81	77.48	77.93	76.71	76.40	76.36	76.28	77.06
2026	76.59	77.96	78.63	78.32	78.97	78.56	77.64	78.63	77.84	M	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	86.90	79.70	89.50	79.88	86.45	81.05	82.40	85.40	77.90	M	M	M
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	84.90	85.36	84.69	84.98	84.11	82.70	81.80	M	M	M	M	M
2004	M	85.40	84.78	84.29	83.76	83.24	81.85	82.63	81.44	82.25	84.26	83.62
2005	84.35	85.13	85.62	84.95	83.62	83.42	82.89	82.46	82.88	81.62	81.56	80.95
2006	83.01	85.52	84.69	83.75	82.49	81.92	82.37	82.66	81.38	81.91	83.36	83.88
2007	83.24	83.52	83.53	83.54	83.33	83.12	82.20	81.85	82.10	81.15	81.89	82.28
2008	84.23	84.08	83.50	83.27	82.34	82.40	81.27	81.88	81.05	81.50	82.01	82.37
2009	83.24	83.56	82.78	83.66	82.89	84.23	82.75	82.89	82.79	82.23	82.49	84.37
2010	84.46	86.13	86.46	85.64	85.42	83.48	82.11	82.86	82.22	83.10	82.34	81.41
2011	83.00	83.54	82.24	84.57	83.37	82.99	82.74	81.33	81.95	83.04	83.57	83.24
2012	82.31	83.83	83.24	83.03	83.59	84.38	81.94	82.49	81.74	82.72	83.15	83.62
2013	84.29	84.81	85.19	84.35	84.78	84.26	82.75	82.34	82.52	81.70	82.91	83.30
2014	83.18	83.75	85.88	84.14	84.03	84.65	84.20	82.17	82.01	82.49	83.33	82.81
2015	83.56	84.26	85.54	84.68	84.08	83.12	83.24	82.25	82.31	83.21	83.63	84.46
2016	85.91	86.71	86.75	86.66	85.07	83.84	83.13	84.26	83.78	82.60	82.91	82.72
2017	82.31	84.10	84.03	83.60	83.85	83.54	82.86	81.91	81.05	81.88	81.26	82.02
2018	80.86	84.04	85.71	84.89	83.56	83.54	82.84	83.65	82.13	82.81	84.14	83.94
2019	85.39	86.06	86.26	85.76	84.00	83.87	83.30	82.89	83.48	82.89	83.63	85.30
2020	85.88	86.40	86.23	86.39	84.52	83.51	82.72	83.74	82.46	82.63	83.03	83.33
2021	84.08	84.97	85.54	83.75	84.29	83.42	83.53	82.28	82.73	83.15	82.25	83.45
2022	85.10	84.23	84.55	84.44	84.78	83.12	84.00	82.78	81.83	81.94	82.97	82.57
2023	83.10	85.45	85.68	85.34	84.81	84.23	84.26	83.30	82.01	83.27	83.51	85.36
2024	86.09	87.30	87.63	87.14	86.03	84.38	84.32	83.04	83.30	83.27	83.93	84.46
2025	84.14	84.78	84.90	83.48	83.30	83.06	83.53	82.34	81.92	81.47	80.90	82.84
2026	83.39	84.55	85.88	84.47	84.46	83.81	82.95	83.91	83.00	M	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
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	64.4%	67.0%	75.8%	79.0%	80.2%	82.3%	80.4%	M	M	M	M	M
2004	M	66.7%	75.2%	79.7%	79.7%	80.8%	83.0%	81.9%	84.0%	80.1%	78.0%	79.8%
2005	68.0%	68.4%	68.7%	77.3%	80.7%	80.8%	80.3%	80.6%	79.2%	82.4%	80.7%	77.3%
2006	68.2%	66.1%	70.8%	78.5%	80.9%	81.5%	80.9%	77.4%	80.7%	80.6%	77.3%	71.3%
2007	69.9%	69.7%	75.7%	80.0%	82.7%	82.0%	82.6%	83.1%	82.6%	82.4%	78.5%	72.0%
2008	67.8%	66.8%	75.8%	80.9%	82.8%	84.7%	86.2%	85.6%	86.5%	88.4%	85.1%	76.3%
2009	70.8%	76.0%	82.8%	83.8%	84.9%	81.1%	83.7%	83.0%	82.6%	82.6%	79.8%	66.8%
2010	68.1%	68.6%	71.9%	80.5%	82.4%	83.5%	84.8%	84.7%	85.6%	83.3%	85.3%	83.3%
2011	74.8%	74.6%	83.8%	79.8%	83.6%	84.6%	83.7%	85.3%	85.8%	84.8%	80.5%	76.8%
2012	78.9%	78.4%	82.2%	84.8%	83.9%	83.6%	83.5%	81.3%	83.9%	83.4%	84.7%	77.7%
2013	72.2%	69.7%	73.3%	82.2%	82.8%	82.9%	86.0%	86.1%	85.7%	85.8%	82.1%	74.6%
2014	66.5%	66.9%	68.1%	81.0%	85.0%	84.1%	82.2%	85.4%	86.6%	88.0%	84.2%	81.7%
2015	70.8%	68.8%	73.8%	81.4%	82.2%	81.9%	83.1%	85.0%	85.0%	83.6%	81.9%	77.7%
2016	73.3%	68.1%	72.8%	76.7%	81.9%	80.8%	81.6%	79.3%	80.2%	85.9%	84.5%	82.7%
2017	83.9%	75.6%	80.3%	87.5%	87.4%	84.7%	84.2%	85.7%	85.2%	81.8%	83.1%	75.3%
2018	79.6%	67.0%	71.5%	77.2%	83.9%	81.0%	83.3%	79.1%	84.3%	83.3%	79.2%	77.9%
2019	66.0%	64.1%	72.5%	82.7%	86.9%	87.8%	86.1%	88.0%	85.0%	86.3%	83.0%	73.5%
2020	72.7%	70.7%	75.2%	80.0%	86.3%	87.0%	88.5%	85.6%	88.1%	87.0%	84.9%	80.0%
2021	73.7%	65.6%	75.2%	83.8%	86.0%	85.4%	85.2%	85.9%	85.3%	85.7%	86.2%	73.5%
2022	66.8%	74.1%	78.2%	82.3%	80.7%	83.5%	82.6%	83.5%	84.4%	84.8%	82.5%	76.1%
2023	73.0%	66.7%	67.2%	78.3%	80.5%	81.2%	80.4%	83.1%	85.4%	83.4%	80.1%	72.7%
2024	67.5%	65.8%	68.4%	77.6%	82.2%	81.9%	81.9%	83.4%	82.6%	82.8%	79.6%	73.9%
2025	68.9%	68.1%	70.0%	78.8%	82.0%	81.2%	78.6%	81.4%	81.6%	82.9%	82.5%	72.5%
2026	64.0%	66.0%	65.5%	77.4%	81.7%	83.0%	83.4%	82.5%	82.6%	M	M	M

Monthly Plots

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Aug 2026

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