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	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	M	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	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	5.6	5.0	5.0	8.5	7.1	7.5	4.6	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	M	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	0.6	0.0	0.0	0.0	0.3
2011	0.0	0.5	0.0	0.0	0.6	5.2	8.8	9.8	6.5	0.2	0.0	1.4
2012	8.5	6.4	6.7	7.1	6.7	10.1	9.7	10.6	10.8	9.1	8.1	6.5
2013	6.3	5.8	5.7	5.8	10.3	10.5	10.1	10.7	11.3	9.9	9.7	M
2014	7.8	6.7	6.6	6.6	6.6	10.3	10.4	10.3	10.0	0.2	0.2	0.7
2015	0.0	0.0	0.3	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.2
2016	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	4.8
2017	7.0	7.2	7.0	6.1	7.5	9.9	10.1	9.6	10.7	9.7	7.3	7.1
2018	6.2	7.3	7.3	6.7	7.5	9.6	9.8	10.1	10.5	8.8	9.0	7.0
2019	6.3	6.3	6.5	7.1	8.6	10.5	9.6	10.8	10.7	8.2	6.9	6.7
2020	6.4	6.1	7.0	7.4	7.3	9.9	3.2	0.4	2.5	10.1	8.7	8.3
2021	7.6	7.0	6.9	6.5	7.6	9.6	9.7	10.5	10.6	10.3	8.7	7.8
2022	7.8	7.1	6.8	6.5	8.4	8.8	10.1	10.4	11.7	9.1	7.9	7.1
2023	6.4	6.7	7.4	7.0	8.1	10.6	10.2	9.8	11.3	10.6	8.2	6.4
2024	7.0	6.3	6.9	7.0	7.3	10.3	10.4	10.6	11.5	10.1	7.7	6.6
2025	6.3	7.4	8.0	7.8	8.6	10.5	10.7	10.2	11.2	11.2	9.5	7.8
2026	7.1	6.5	6.8	6.8	9.2	10.7	10.1	10.3	11.4	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	M	M	M	M	M	M	M	M	M	M	82.40	M
2002	M	86.00	M	M	M	M	M	M	M	M	M	M
2003	84.61	86.40	87.16	85.75	85.13	81.08	82.46	81.53	82.94	84.26	84.74	85.25
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	77.90	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	78.80	M	M	M
2009	M	M	83.30	M	84.20	M	M	M	M	84.20	77.00	M
2010	M	M	M	M	80.60	M	M	80.47	82.62	84.08	84.39	85.07
2011	86.05	87.08	88.00	87.55	83.43	80.53	78.10	80.25	82.58	82.98	83.54	83.74
2012	84.66	85.69	87.56	86.90	85.48	81.86	79.73	81.24	83.78	83.68	84.70	85.36
2013	87.22	87.58	87.68	86.62	84.03	80.24	77.93	79.50	82.22	83.27	83.73	86.00
2014	86.45	86.90	87.22	87.47	86.64	82.22	77.29	79.96	81.86	83.79	84.44	84.49
2015	86.00	86.45	87.86	86.72	86.12	79.34	77.64	78.63	81.50	84.03	84.50	85.54
2016	86.58	88.67	88.67	88.10	85.36	82.82	81.41	80.66	83.24	84.90	85.40	86.41
2017	87.02	86.64	88.38	87.44	85.83	82.10	79.03	80.43	83.54	84.78	84.26	85.25
2018	85.59	86.77	87.45	87.50	85.59	82.70	80.89	81.30	84.02	84.90	85.34	85.77
2019	86.93	88.44	88.67	87.50	86.17	82.94	82.28	82.40	84.38	85.13	85.82	86.64
2020	88.50	88.54	89.14	87.38	87.51	82.28	82.23	83.21	84.62	85.13	84.62	85.36
2021	86.41	87.54	86.75	88.70	86.93	84.38	82.92	83.62	84.38	85.36	85.58	85.28
2022	86.64	87.48	87.39	86.30	85.48	82.64	81.41	82.28	83.78	84.37	83.72	85.83
2023	85.83	88.51	87.80	88.04	87.28	83.24	80.19	82.23	84.74	85.71	85.03	86.52
2024	87.61	88.89	88.82	89.72	87.02	83.06	81.24	81.98	84.98	84.56	84.56	86.41
2025	88.15	89.09	88.67	87.50	85.88	83.42	79.96	80.14	83.18	84.37	84.68	85.42
2026	86.41	87.35	87.92	86.83	85.25	82.04	78.68	81.12	83.13	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	M	M	M	M	M	M	M	M	M	M	82.40	M
2002	M	78.80	M	M	M	M	M	M	M	M	M	M
2003	77.87	79.60	80.54	78.55	78.74	74.96	76.07	76.25	76.58	77.99	76.52	77.93
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	77.90	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	78.80	M	M	M
2009	M	M	83.30	M	84.20	M	M	M	M	84.20	77.00	M
2010	M	M	M	M	80.60	M	M	75.01	78.01	78.68	77.37	78.51
2011	79.36	79.09	78.86	78.89	77.23	74.66	71.78	74.06	76.04	77.35	76.76	77.58
2012	78.45	77.06	78.97	78.50	77.99	75.44	73.28	74.97	76.58	77.00	75.94	77.12
2013	79.55	79.02	77.58	78.98	79.23	74.36	71.77	73.11	75.92	76.54	76.80	86.00
2014	79.70	78.67	78.22	78.00	78.74	76.28	70.79	73.69	75.62	77.81	77.18	77.64
2015	78.80	78.54	78.92	77.72	77.75	72.80	71.54	73.17	75.92	76.54	77.72	78.34
2016	79.55	79.67	79.38	78.98	77.93	76.64	74.85	74.91	76.52	78.51	77.06	76.94
2017	78.32	78.54	79.15	78.26	77.93	75.02	71.89	73.69	76.76	77.70	76.10	78.05
2018	77.46	78.99	78.74	78.20	77.46	75.68	73.92	74.45	76.76	76.88	76.76	77.52
2019	77.75	78.35	78.39	77.60	77.75	74.90	73.98	74.62	76.40	76.01	76.58	77.46
2020	78.63	78.37	79.32	78.68	78.74	75.44	74.56	75.08	76.22	76.71	76.58	76.88
2021	77.35	78.41	76.48	78.02	78.10	77.36	74.39	75.37	76.40	76.71	76.82	77.78
2022	77.64	78.16	77.12	77.30	77.00	73.58	73.23	73.52	76.16	76.65	75.98	77.29
2023	76.36	78.03	77.64	77.36	78.63	74.84	72.47	74.27	76.52	77.64	77.83	78.16
2024	79.89	79.64	79.46	79.64	79.46	75.56	74.15	75.08	76.94	77.42	76.94	77.41
2025	77.87	78.61	78.74	77.66	77.99	77.18	73.28	72.12	75.38	77.00	76.34	77.06
2026	78.34	77.71	78.39	79.48	77.81	74.84	71.25	73.86	75.20	M	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	M	M	M	M	M	M	M	M	M	M	82.40	M
2002	M	82.40	M	M	M	M	M	M	M	M	M	M
2003	81.24	83.00	83.85	82.15	81.94	78.02	79.26	78.89	79.76	81.12	80.63	81.59
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	77.90	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	78.80	M	M	M
2009	M	M	83.30	M	84.20	M	M	M	M	84.20	77.00	M
2010	M	M	M	M	80.60	M	M	77.74	80.31	81.38	80.88	81.79
2011	82.70	83.09	83.43	83.22	80.33	77.60	74.94	77.15	79.31	80.16	80.15	80.66
2012	81.56	81.38	83.24	82.70	81.73	78.65	76.51	78.10	80.18	80.34	80.32	81.24
2013	83.39	83.30	82.63	82.80	81.63	77.30	74.85	76.30	79.07	79.90	80.27	86.00
2014	83.08	82.79	82.72	82.73	82.69	79.25	74.04	76.83	78.74	80.80	80.81	81.06
2015	82.40	82.50	83.39	82.22	81.94	76.07	74.59	75.90	78.71	80.28	81.11	81.94
2016	83.07	84.17	84.03	83.54	81.65	79.73	78.13	77.78	79.88	81.70	81.23	81.67
2017	82.67	82.59	83.76	82.85	81.88	78.56	75.46	77.06	80.15	81.24	80.18	81.65
2018	81.53	82.88	83.10	82.85	81.53	79.19	77.41	77.87	80.39	80.89	81.05	81.65
2019	82.34	83.40	83.53	82.55	81.96	78.92	78.13	78.51	80.39	80.57	81.20	82.05
2020	83.56	83.46	84.23	83.03	83.13	78.86	78.39	79.15	80.42	80.92	80.60	81.12
2021	81.88	82.98	81.62	83.36	82.52	80.87	78.65	79.50	80.39	81.04	81.20	81.53
2022	82.14	82.82	82.25	81.80	81.24	78.11	77.32	77.90	79.97	80.51	79.85	81.56
2023	81.09	83.27	82.72	82.70	82.95	79.04	76.33	78.25	80.63	81.67	81.43	82.34
2024	83.75	84.26	84.14	84.68	83.24	79.31	77.70	78.53	80.96	80.99	80.75	81.91
2025	83.01	83.85	83.71	82.58	81.94	80.30	76.62	76.13	79.28	80.69	80.51	81.24
2026	82.37	82.53	83.15	83.15	81.53	78.44	74.97	77.49	79.17	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	83.9%	85.1%	83.3%	83.7%	82.6%	83.3%	81.7%	79.2%	83.0%	85.3%	87.2%	85.6%
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	M	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	80.3%	79.5%	83.4%	87.7%	85.4%
2011	83.5%	81.9%	81.5%	81.6%	85.9%	83.7%	83.4%	80.0%	81.2%	85.1%	85.1%	84.1%
2012	83.0%	83.5%	83.1%	84.3%	85.1%	83.6%	80.7%	79.9%	81.0%	85.2%	84.4%	85.7%
2013	83.1%	83.2%	82.3%	83.9%	82.6%	84.3%	81.9%	78.9%	79.6%	83.8%	86.1%	M
2014	82.9%	82.5%	83.6%	82.9%	84.8%	83.9%	86.2%	86.8%	86.8%	82.5%	85.9%	86.5%
2015	84.9%	84.4%	84.5%	84.3%	86.5%	83.1%	86.0%	83.4%	82.7%	84.0%	86.5%	86.2%
2016	85.5%	85.0%	83.3%	85.2%	84.4%	82.7%	79.8%	82.6%	81.4%	81.3%	85.3%	84.2%
2017	83.4%	85.0%	83.6%	85.2%	85.9%	85.6%	85.1%	85.2%	84.1%	86.5%	88.1%	86.7%
2018	84.6%	84.0%	83.1%	84.8%	85.9%	84.3%	84.0%	82.7%	86.2%	86.5%	87.1%	87.0%
2019	85.7%	85.5%	84.6%	86.6%	87.5%	83.7%	84.9%	82.4%	84.3%	87.7%	88.4%	87.9%
2020	86.3%	86.4%	85.8%	85.2%	86.3%	85.4%	83.1%	80.1%	79.3%	84.9%	88.9%	87.4%
2021	85.8%	85.3%	85.7%	84.0%	85.5%	82.0%	80.0%	81.1%	80.9%	82.9%	85.9%	86.3%
2022	84.1%	83.6%	84.5%	86.5%	84.4%	84.0%	80.6%	80.3%	80.8%	87.2%	88.1%	84.6%
2023	86.4%	84.4%	85.3%	84.8%	85.0%	81.9%	84.1%	81.5%	81.2%	84.4%	87.4%	87.1%
2024	82.9%	83.8%	84.9%	83.7%	85.3%	82.3%	81.2%	79.8%	80.6%	82.7%	86.7%	85.6%
2025	83.3%	80.6%	81.5%	83.3%	84.9%	81.0%	79.1%	79.3%	81.1%	79.9%	85.6%	86.3%
2026	83.1%	83.1%	83.2%	84.4%	83.1%	80.9%	81.8%	80.8%	79.8%	M	M	M

Monthly Plots

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