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
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	0.00
2007	0.00	0.02	0.16	1.00	1.74	2.97	1.53	1.95	1.31	0.20	1.02	0.74
2008	0.37	0.36	0.49	0.76	1.13	1.96	3.43	3.10	0.48	0.34	0.78	0.77
2009	0.69	0.47	0.56	1.67	0.56	1.29	2.43	0.76	0.62	1.28	0.08	0.51
2010	0.19	0.08	0.99	2.10	1.86	3.04	4.07	2.11	1.34	0.18	0.32	0.74
2011	1.02	0.50	0.22	0.91	0.14	5.34	3.61	1.39	0.65	0.75	0.71	0.38
2012	0.91	0.31	1.12	1.98	1.88	2.27	6.63	3.80	1.27	0.96	0.87	0.47
2013	0.89	0.71	0.41	1.08	0.45	2.13	3.31	2.04	0.02	0.91	0.78	1.29
2014	0.45	0.58	0.09	1.80	2.47	4.76	2.45	1.01	1.90	0.24	1.37	0.07
2015	0.84	0.67	0.60	0.98	1.29	1.37	3.58	0.85	1.85	0.69	0.39	0.37
2016	2.11	0.42	1.00	1.29	2.49	1.70	2.35	2.10	1.31	2.14	0.14	0.54
2017	0.33	0.33	1.11	2.27	1.97	1.76	3.90	2.09	0.83	1.73	0.60	0.31
2018	0.85	0.40	0.60	1.22	0.57	3.12	2.83	2.20	1.45	0.70	0.85	0.79
2019	0.46	0.70	0.08	0.36	0.79	5.26	3.49	2.21	1.22	1.54	0.65	0.34
2020	0.54	0.63	1.12	0.26	2.09	6.47	4.11	1.74	0.72	0.85	0.75	0.34
2021	0.88	0.44	0.34	0.50	2.02	2.18	1.49	1.92	0.74	0.32	0.63	0.99
2022	1.27	1.01	1.08	0.61	0.87	4.08	0.95	2.28	0.80	0.34	0.79	1.17
2023	0.50	0.48	0.28	0.53	1.71	2.85	3.60	3.30	0.31	0.40	0.10	0.04
2024	0.24	0.47	0.37	0.70	2.56	2.28	2.53	1.13	3.21	1.18	0.66	0.22
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
2004	M	M	M	M	M	M	M	6.6	8.9	7.0	7.4	7.9
2005	6.6	6.6	7.8	9.9	8.2	6.2	6.1	7.4	6.2	7.5	7.2	5.7
2006	5.7	8.2	8.8	7.7	7.3	7.3	6.1	6.1	6.4	6.7	7.8	7.1
2007	7.7	5.8	8.4	8.4	8.3	6.5	6.0	6.3	6.5	8.2	8.1	5.1
2008	6.6	6.8	7.1	8.3	8.3	5.7	6.1	6.6	6.0	8.2	7.5	6.3
2009	7.2	5.7	7.4	6.7	7.4	6.0	5.9	5.4	8.1	6.6	6.9	5.6
2010	5.7	5.9	7.1	9.2	7.3	6.2	6.3	0.0	0.0	0.0	0.0	0.0
2011	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2012	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2013	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2014	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2015	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	4.4
2016	5.0	6.6	6.7	7.7	6.0	6.8	5.3	5.6	6.0	6.2	6.0	7.4
2017	5.8	6.0	7.4	6.9	7.5	6.7	5.8	5.8	5.7	8.0	6.7	6.9
2018	6.4	7.0	6.8	7.0	6.8	6.6	5.7	5.5	5.9	6.0	5.9	5.6
2019	7.1	5.0	6.2	7.7	6.7	6.2	5.6	5.9	5.7	7.5	6.1	5.4
2020	6.0	6.8	6.8	7.7	7.4	6.6	6.1	7.0	6.4	7.3	6.3	5.6
2021	6.6	7.1	6.8	6.7	7.6	6.7	5.9	5.8	6.2	7.2	6.6	5.7
2022	6.8	6.9	7.3	8.9	7.7	6.6	5.6	5.2	5.7	6.7	6.6	5.9
2023	5.0	6.0	6.2	8.0	7.0	6.0	5.3	5.2	5.1	7.6	6.8	5.3
2024	5.3	6.3	7.8	8.3	7.6	7.3	6.2	5.8	5.6	6.8	5.9	7.1
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 Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	58.78	50.21	24.52	35.25	20.45
2005	11.33	29.51	37.71	52.97	61.52	66.80	71.62	66.72	58.73	49.27	35.37	25.47
2006	23.72	22.28	29.44	57.70	61.60	70.74	75.83	72.09	62.64	42.13	16.75	25.59
2007	24.44	12.66	33.93	47.11	61.68	66.94	79.33	66.24	58.86	51.60	28.06	12.47
2008	14.78	19.55	33.46	41.69	62.88	69.75	72.20	70.50	61.60	53.12	35.93	5.53
2009	14.14	19.01	26.49	46.83	59.23	68.27	71.32	72.10	70.34	39.65	39.67	5.96
2010	15.35	24.00	40.81	51.61	57.97	68.62	70.01	66.71	56.88	51.27	26.92	9.53
2011	13.48	16.81	21.46	45.57	64.54	66.51	69.31	68.89	67.32	49.74	27.20	29.94
2012	22.37	27.16	36.10	46.50	60.32	69.44	75.01	71.50	65.83	37.92	20.34	6.54
2013	14.53	26.25	26.59	38.83	67.91	67.26	68.98	72.20	68.35	47.15	22.64	6.64
2014	20.17	8.32	26.47	43.58	55.96	65.47	74.54	71.78	61.08	50.96	19.97	18.33
2015	21.41	16.77	38.79	50.94	60.90	70.01	74.08	71.60	57.85	52.84	32.46	18.89
2016	17.29	29.70	34.73	50.43	63.49	69.67	72.31	70.18	59.94	36.13	36.54	13.02
2017	19.18	22.03	25.91	41.46	62.62	66.26	72.90	69.84	61.12	45.59	20.38	19.75
2018	15.29	12.78	27.54	41.51	67.89	68.66	72.05	67.43	47.31	43.63	24.24	20.73
2019	17.41	1.19	34.13	47.92	59.93	65.25	68.34	65.34	57.64	40.55	28.11	19.37
2020	10.85	23.97	25.50	40.73	59.26	63.95	70.37	69.46	58.82	38.29	27.62	25.63
2021	20.48	7.05	37.21	47.02	58.58	72.64	73.92	70.44	63.12	47.82	32.60	5.34
2022	16.21	16.18	30.05	41.01	57.36	67.26	71.89	75.16	65.90	54.38	23.55	5.07
2023	19.14	20.17	25.16	46.76	71.05	72.25	72.63	70.19	63.36	49.07	35.70	29.44
2024	11.70	27.36	28.21	52.42	58.15	63.62	78.17	72.88	67.34	48.37	26.75	25.25
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 Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	51.26	41.31	-3.19	13.18	0.84
2005	-5.19	9.41	19.00	31.65	37.40	47.22	49.81	46.15	38.36	29.11	22.00	10.60
2006	11.66	4.30	13.43	31.17	40.39	48.89	52.38	47.16	41.62	26.74	1.82	5.58
2007	2.70	-10.53	13.29	26.60	39.16	47.22	54.33	46.17	37.11	31.08	13.99	-3.63
2008	-5.03	-3.56	11.69	23.22	38.54	45.92	50.28	49.20	38.24	30.25	22.67	-13.29
2009	-5.65	-4.03	1.68	26.25	33.89	43.52	47.60	45.01	43.88	27.07	20.48	-11.99
2010	0.00	3.10	21.32	30.13	35.64	44.88	47.39	48.22	36.14	31.08	8.38	-3.43
2011	-5.42	-5.61	4.22	24.61	37.88	45.99	49.36	46.91	39.82	30.80	10.00	12.11
2012	5.18	3.82	17.81	25.81	36.33	46.11	53.19	48.78	39.90	23.77	6.14	-8.38
2013	-4.67	6.84	4.65	19.75	38.33	47.67	48.72	48.62	40.99	28.29	5.35	-12.56
2014	0.33	-9.97	3.17	25.22	34.73	46.04	52.64	48.53	36.70	31.07	5.39	8.13
2015	2.51	-3.79	18.34	26.89	33.20	45.58	51.54	46.99	36.61	29.69	17.75	4.78
2016	1.35	11.69	20.19	28.97	39.93	46.35	50.31	47.05	37.70	27.75	24.32	-1.22
2017	2.27	5.30	9.26	26.42	38.29	45.80	49.86	47.47	38.27	28.49	5.21	5.15
2018	-2.45	-5.00	8.94	17.99	40.98	46.33	48.58	47.33	31.99	23.83	12.56	2.19
2019	-0.68	-21.24	11.98	26.50	30.22	45.57	49.95	44.49	39.17	23.71	14.95	0.87
2020	-6.60	1.97	5.16	18.06	35.82	45.44	50.88	47.39	37.02	23.70	12.76	8.88
2021	1.43	-11.93	13.65	23.56	34.10	49.48	52.28	47.66	39.84	25.96	13.15	-12.12
2022	-5.04	-5.12	11.45	22.91	35.72	45.72	50.06	49.21	39.11	31.30	8.47	-10.09
2023	4.39	-0.24	2.87	26.79	43.71	49.62	52.27	50.20	39.65	28.50	20.17	13.23
2024	-3.48	8.96	8.24	28.63	38.89	43.02	53.91	48.36	42.36	30.06	14.01	7.96
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 Daily Temperature (high+low)/2 [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	55.02	45.76	10.66	24.21	10.65
2005	3.07	19.46	28.36	42.31	49.46	57.01	60.71	56.44	48.54	39.19	28.68	18.04
2006	17.69	13.29	21.44	44.43	50.99	59.81	64.10	59.62	52.13	34.44	9.28	15.58
2007	13.57	1.07	23.61	36.86	50.42	57.08	66.83	56.20	47.99	41.34	21.03	4.42
2008	4.88	7.99	22.57	32.46	50.71	57.84	61.24	59.85	49.92	41.69	29.30	-3.88
2009	4.24	7.49	14.08	36.54	46.56	55.89	59.46	58.55	57.11	33.36	30.07	-3.01
2010	7.68	13.55	31.06	40.87	46.81	56.75	58.70	57.46	46.51	41.18	17.65	3.05
2011	4.03	5.60	12.84	35.09	51.21	56.25	59.34	57.90	53.57	40.27	18.60	21.03
2012	13.78	15.49	26.95	36.16	48.32	57.77	64.10	60.14	52.87	30.85	13.24	-0.92
2013	4.93	16.54	15.62	29.29	53.12	57.46	58.85	60.41	54.67	37.72	13.99	-2.96
2014	10.25	-0.82	14.82	34.40	45.35	55.75	63.59	60.15	48.89	41.01	12.68	13.23
2015	11.96	6.49	28.56	38.91	47.05	57.79	62.81	59.30	47.23	41.26	25.10	11.83
2016	9.32	20.69	27.46	39.70	51.71	58.01	61.31	58.62	48.82	31.94	30.43	5.90
2017	10.73	13.67	17.58	33.94	50.45	56.03	61.38	58.66	49.69	37.04	12.79	12.45
2018	6.42	3.89	18.24	29.75	54.44	57.49	60.32	57.38	39.65	33.73	18.40	11.46
2019	8.36	-10.03	23.05	37.21	45.08	55.41	59.14	54.91	48.41	32.13	21.53	10.12
2020	2.12	12.97	15.33	29.40	47.54	54.70	60.63	58.43	47.92	31.00	20.19	17.25
2021	10.95	-2.44	25.43	35.29	46.34	61.06	63.10	59.05	51.48	36.89	22.88	-3.39
2022	5.59	5.53	20.75	31.96	46.54	56.49	60.97	62.18	52.50	42.84	16.01	-2.51
2023	11.77	9.97	14.01	36.77	57.38	60.93	62.45	60.19	51.51	38.78	27.93	21.34
2024	4.11	18.16	18.22	40.53	48.52	53.32	66.04	60.62	54.85	39.21	20.38	16.60
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 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
2004	M	M	M	M	M	M	M	70.3%	79.4%	82.5%	77.6%	78.6%
2005	78.9%	72.6%	72.5%	59.7%	59.1%	74.6%	74.8%	74.5%	73.1%	72.1%	78.8%	84.4%
2006	89.2%	75.9%	79.2%	55.8%	69.4%	67.5%	70.7%	70.9%	75.4%	74.2%	81.6%	76.3%
2007	74.8%	76.1%	71.8%	63.2%	63.1%	71.6%	66.1%	74.3%	74.3%	66.7%	78.7%	84.8%
2008	80.2%	74.9%	70.8%	65.3%	54.2%	68.9%	71.2%	75.3%	73.8%	62.3%	81.6%	77.3%
2009	71.6%	76.1%	68.5%	63.6%	53.7%	60.6%	70.3%	69.4%	66.5%	81.5%	70.3%	77.8%
2010	83.3%	82.7%	73.2%	64.1%	64.0%	65.2%	75.1%	78.1%	77.4%	68.5%	78.5%	86.4%
2011	81.3%	75.1%	76.8%	64.6%	50.4%	69.9%	74.0%	73.0%	64.2%	71.0%	78.4%	75.5%
2012	73.1%	73.8%	72.8%	63.2%	50.5%	65.9%	73.9%	72.6%	66.0%	77.9%	82.6%	83.0%
2013	80.1%	80.8%	69.8%	65.5%	49.3%	70.2%	71.3%	71.6%	65.0%	72.2%	80.5%	79.1%
2014	74.6%	71.9%	62.4%	69.4%	62.9%	74.7%	74.1%	75.6%	74.3%	73.0%	84.1%	89.7%
2015	80.7%	77.7%	72.2%	56.7%	54.7%	64.9%	68.5%	72.4%	77.0%	72.2%	79.9%	86.1%
2016	84.0%	79.2%	79.9%	64.3%	63.2%	68.6%	77.6%	77.8%	77.5%	90.3%	84.8%	79.7%
2017	82.6%	82.6%	79.9%	80.3%	63.0%	73.0%	76.1%	76.2%	75.9%	74.4%	85.3%	74.2%
2018	83.6%	74.8%	79.6%	67.1%	57.6%	72.1%	77.0%	79.5%	82.7%	78.5%	92.3%	91.0%
2019	88.8%	79.4%	69.9%	59.6%	54.7%	74.4%	81.5%	80.9%	82.6%	80.8%	86.2%	85.8%
2020	82.6%	76.1%	73.5%	62.4%	61.8%	75.0%	77.8%	74.3%	78.7%	76.4%	85.3%	82.1%
2021	80.3%	73.8%	72.4%	57.9%	60.0%	66.9%	68.0%	71.9%	71.2%	70.3%	82.5%	77.8%
2022	80.8%	78.1%	74.2%	67.0%	62.2%	65.5%	71.5%	72.8%	71.8%	65.1%	79.8%	81.6%
2023	87.4%	73.1%	72.4%	64.7%	58.8%	71.3%	75.4%	81.1%	75.3%	73.1%	79.5%	80.8%
2024	78.2%	73.2%	66.0%	53.5%	68.5%	69.6%	71.2%	74.2%	73.5%	75.7%	82.5%	82.7%
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

Monthly Plots

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Aug 2026

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Oct 2026