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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
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	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

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	2.3	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	2.1	2.7	2.2	3.3	3.5	3.5	2.9
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	2.6	2.7	2.6	2.2	2.4	2.4	2.1	1.4
2011	1.7	2.4	2.4	2.4	2.4	2.2	1.9	2.9	1.8	1.9	2.1	3.0
2012	2.9	3.0	2.4	2.3	2.1	3.0	2.9	2.7	2.7	2.9	2.1	3.3
2013	2.2	1.8	2.8	2.1	1.0	1.1	1.1	1.2	0.8	1.8	3.7	3.1
2014	3.2	3.3	3.2	3.2	3.8	3.2	3.7	2.9	3.1	3.5	3.5	3.2
2015	3.0	4.0	3.7	3.4	3.0	3.1	3.2	3.3	3.3	3.2	3.8	3.6
2016	3.7	3.9	3.9	3.0	3.0	3.1	3.0	3.6	4.0	3.3	4.3	3.3
2017	3.9	4.6	4.3	4.2	3.5	3.9	3.9	3.9	3.9	4.4	4.2	3.8
2018	4.3	4.3	4.9	3.8	3.8	3.8	3.6	4.1	3.9	4.1	4.1	3.4
2019	4.4	4.0	4.0	4.0	3.9	3.2	3.5	3.6	3.7	3.6	3.5	3.5
2020	3.6	3.9	4.0	3.9	3.7	3.4	3.2	3.6	3.7	4.1	3.8	3.8
2021	3.3	3.2	3.4	3.5	3.4	3.7	3.2	3.2	3.5	4.0	3.2	3.3
2022	3.6	3.7	3.0	2.9	3.8	3.6	3.4	3.6	3.0	4.1	3.9	3.2
2023	3.6	3.3	3.7	3.5	3.6	3.4	3.0	3.5	3.5	3.5	3.7	3.6
2024	3.8	3.6	3.5	3.6	3.7	3.5	3.4	3.0	3.6	4.3	3.7	3.3

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
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	89.60	M	M	M	M	M	M	80.60	M
2010	77.00	M	M	M	96.80	M	M	95.90	M	M	82.40	89.66
2011	86.60	M	M	82.40	M	89.60	M	92.12	92.09	94.47	93.50	93.90
2012	92.10	90.47	90.35	91.04	90.82	90.62	89.00	91.85	93.86	93.43	96.80	M
2013	M	M	93.43	93.08	91.26	92.12	90.94	91.17	92.78	95.06	92.18	92.56
2014	92.21	92.56	92.33	92.54	91.92	91.64	91.28	91.11	95.54	93.84	94.46	92.33
2015	90.24	91.59	92.97	93.74	93.20	92.54	92.64	94.42	98.42	90.41	90.78	90.59
2016	91.40	89.41	89.14	87.03	86.58	85.82	85.54	88.38	89.09	88.73	89.18	86.07
2017	86.46	88.06	86.99	86.84	87.14	86.78	84.78	90.03	88.77	89.09	89.30	88.38
2018	87.58	86.95	90.60	85.93	86.70	83.84	86.23	88.44	89.12	88.09	87.02	87.16
2019	88.21	88.70	88.74	87.80	86.62	86.60	84.90	87.56	89.85	87.86	88.22	87.61
2020	88.67	90.59	89.18	86.90	85.42	85.82	87.22	88.26	90.26	90.33	88.28	87.39
2021	85.81	87.73	86.90	86.30	86.46	86.24	83.91	86.58	88.82	89.02	88.04	87.34
2022	88.55	87.18	86.80	87.32	86.00	84.68	87.86	87.20	93.80	89.25	86.60	88.32
2023	86.64	86.84	86.93	87.38	86.70	84.02	87.67	90.76	92.33	92.74	90.80	88.85
2024	90.06	90.03	88.96	89.12	85.94	87.44	85.83	89.48	91.22	91.52	89.66	89.78

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
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	89.60	M	M	M	M	M	M	80.60	M
2010	77.00	M	M	M	96.80	M	M	95.90	M	M	82.40	76.54
2011	75.92	M	M	80.60	M	89.60	M	76.64	77.69	78.59	77.68	77.41
2012	75.95	74.83	74.74	74.06	75.61	73.64	74.78	74.30	76.28	78.88	80.60	M
2013	M	M	78.35	77.96	76.58	75.62	73.46	75.03	76.22	77.64	77.12	77.64
2014	76.94	76.16	76.42	77.18	76.59	75.62	74.54	74.27	76.52	76.65	76.94	77.87
2015	76.83	76.55	77.29	76.52	77.41	77.24	76.50	77.17	78.98	76.94	77.50	78.39
2016	80.72	79.44	79.61	79.49	78.34	76.82	75.55	76.36	76.81	78.40	81.02	80.18
2017	78.45	79.96	78.10	77.84	78.56	78.56	76.54	80.86	80.53	81.20	82.70	80.60
2018	78.50	78.59	82.60	79.08	79.10	76.04	77.70	78.16	80.05	79.09	79.22	78.92
2019	79.90	80.45	76.30	79.86	77.87	76.22	74.33	75.98	76.57	75.90	77.18	77.06
2020	77.23	77.43	77.78	77.36	77.41	76.28	75.84	75.55	78.02	77.40	77.00	76.65
2021	75.94	76.33	75.50	75.44	76.01	75.08	73.75	74.85	75.68	77.75	77.36	76.88
2022	76.30	75.41	75.50	75.80	75.72	74.78	75.66	75.47	83.60	77.46	75.80	76.88
2023	75.37	75.91	75.49	76.52	76.59	74.30	75.33	76.83	78.92	79.55	78.86	77.58
2024	78.57	78.80	78.39	77.72	77.31	75.98	75.03	75.66	76.52	78.34	77.84	78.35

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
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	89.60	M	M	M	M	M	M	80.60	M
2010	77.00	M	M	M	96.80	M	M	95.90	M	M	82.40	83.10
2011	81.26	M	M	81.50	M	89.60	M	84.38	84.89	86.53	85.59	85.65
2012	84.03	82.65	82.55	82.55	83.21	82.13	81.89	83.07	85.07	86.15	88.70	M
2013	M	M	85.89	85.52	83.92	83.87	82.20	83.10	84.50	86.35	84.65	85.10
2014	84.58	84.36	84.37	84.86	84.26	83.63	82.91	82.69	86.03	85.25	85.70	85.10
2015	83.53	84.07	85.13	85.13	85.30	84.89	84.57	85.80	88.70	83.68	84.14	84.49
2016	86.06	84.43	84.37	83.26	82.46	81.32	80.54	82.37	82.95	83.57	85.10	83.13
2017	82.46	84.01	82.55	82.34	82.85	82.67	80.66	85.44	84.65	85.14	86.00	84.49
2018	83.04	82.77	86.60	82.50	82.90	79.94	81.96	83.30	84.58	83.59	83.12	83.04
2019	84.05	84.58	82.52	83.83	82.24	81.41	79.61	81.77	83.21	81.88	82.70	82.34
2020	82.95	84.01	83.48	82.13	81.41	81.05	81.53	81.91	84.14	83.87	82.64	82.02
2021	80.88	82.03	81.20	80.87	81.24	80.66	78.83	80.72	82.25	83.39	82.70	82.11
2022	82.43	81.29	81.15	81.56	80.86	79.73	81.76	81.33	88.70	83.36	81.20	82.60
2023	81.01	81.37	81.21	81.95	81.65	79.16	81.50	83.79	85.63	86.15	84.83	83.21
2024	84.32	84.42	83.68	83.42	81.62	81.71	80.43	82.57	83.87	84.93	83.75	84.07

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
2005	M	M	M	M	89.6%	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	72.0%	81.9%	82.9%	82.9%	83.4%	82.2%	82.5%
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	82.8%	82.7%	82.9%	78.4%	79.2%	78.3%	81.9%	84.7%
2011	86.5%	85.3%	82.6%	80.7%	85.2%	83.8%	80.7%	75.6%	74.7%	75.1%	79.1%	78.3%
2012	83.6%	83.8%	83.6%	83.5%	82.6%	81.8%	83.2%	77.1%	76.9%	77.8%	66.4%	M
2013	M	M	77.8%	78.8%	81.6%	81.0%	80.1%	81.3%	78.6%	74.7%	79.2%	81.0%
2014	79.8%	79.8%	81.6%	80.4%	82.0%	82.9%	80.9%	81.0%	74.8%	77.0%	77.6%	76.0%
2015	78.1%	78.0%	80.5%	79.0%	78.9%	80.1%	79.7%	77.9%	68.8%	78.0%	78.2%	76.8%
2016	76.1%	78.7%	80.4%	78.2%	83.9%	82.7%	81.7%	78.1%	79.6%	81.7%	78.6%	82.3%
2017	84.8%	81.7%	82.7%	84.0%	85.1%	82.7%	85.0%	76.7%	79.4%	79.8%	80.6%	82.1%
2018	83.7%	82.9%	76.2%	83.9%	85.4%	87.7%	84.8%	82.2%	78.4%	77.4%	82.9%	81.2%
2019	80.1%	81.5%	83.9%	81.8%	84.3%	88.1%	89.6%	84.6%	82.7%	85.2%	85.5%	87.3%
2020	90.0%	85.2%	88.3%	86.8%	88.4%	86.0%	86.2%	84.7%	81.6%	80.8%	84.1%	85.9%
2021	87.8%	86.6%	87.2%	88.0%	87.3%	87.4%	89.7%	89.3%	85.7%	82.8%	86.8%	88.9%
2022	85.2%	87.7%	87.6%	86.4%	89.1%	88.0%	86.7%	85.4%	64.6%	83.0%	86.2%	84.7%
2023	87.9%	89.7%	90.7%	91.3%	92.4%	93.2%	90.9%	83.9%	79.9%	79.3%	82.3%	86.3%
2024	85.6%	84.6%	86.9%	87.6%	88.1%	88.6%	88.7%	83.8%	82.9%	80.0%	83.9%	84.1%

Monthly Plots

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