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	0.05	0.08	0.45	3.87	1.82	5.13	1.34	2.12	1.05	0.72	0.51	0.76
2008	0.49	0.65	0.41	1.16	1.57	3.16	3.75	2.51	1.35	0.12	0.63	1.33
2009	0.93	0.94	1.87	1.60	0.96	2.28	2.65	3.62	0.76	1.12	0.51	0.86
2010	0.38	0.30	0.58	2.04	2.90	3.20	6.13	2.39	1.49	0.85	0.99	0.74
2011	1.47	0.77	1.09	1.13	0.87	4.07	4.63	2.84	1.17	1.28	0.92	0.65
2012	0.81	1.15	1.34	1.94	3.37	6.00	3.64	3.41	1.57	1.19	1.20	1.49
2013	1.35	1.09	1.59	1.59	2.04	3.21	2.55	2.78	1.79	1.42	1.74	1.46
2014	0.91	1.26	1.36	2.36	1.98	5.08	3.18	3.19	3.44	1.53	1.68	1.18
2015	1.68	1.73	1.70	1.80	2.53	1.92	3.58	3.47	3.48	1.90	1.37	1.43
2016	1.93	1.00	1.26	1.60	5.23	4.97	3.32	2.91	1.28	2.27	1.48	1.16
2017	1.34	1.41	1.97	2.31	1.79	4.43	2.85	1.89	2.05	2.39	1.02	0.89
2018	1.18	1.05	0.28	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

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	6.8	8.4	8.2	8.9	10.3
2005	8.0	7.9	9.4	11.7	11.0	9.0	8.2	9.3	8.0	9.0	9.0	7.7
2006	6.7	9.7	9.8	9.9	11.3	9.5	8.1	7.6	9.1	8.6	10.0	9.4
2007	10.6	7.9	10.0	10.4	11.0	9.9	7.5	8.7	9.0	9.9	10.9	7.1
2008	9.0	8.0	8.6	10.8	11.1	9.1	8.4	8.3	7.9	10.3	9.5	9.3
2009	10.3	7.4	9.2	8.9	10.8	9.0	8.0	7.4	10.1	9.2	8.9	7.8
2010	7.3	7.3	9.4	13.3	10.5	8.8	7.6	7.6	8.0	8.3	7.6	7.8
2011	9.4	10.6	9.4	8.5	10.9	9.6	8.6	7.2	8.4	8.8	8.9	9.9
2012	9.2	8.2	9.5	11.0	10.6	9.5	8.0	7.6	9.3	10.0	8.3	7.6
2013	9.0	9.5	8.8	10.6	9.7	9.8	7.8	6.2	8.0	8.7	8.2	9.6
2014	12.0	8.4	8.3	9.4	9.3	9.1	7.8	6.4	7.7	9.8	9.0	7.5
2015	8.6	8.8	9.1	10.7	9.4	8.0	8.3	6.9	7.5	8.9	8.3	7.2
2016	6.9	9.3	9.5	11.1	9.9	9.2	6.7	7.8	8.2	7.8	7.7	9.7
2017	7.4	7.7	9.1	9.5	10.9	10.5	7.9	7.4	8.1	10.9	7.5	9.2
2018	8.8	8.9	8.7	9.0	9.8	9.1	7.8	7.6	8.2	8.4	7.6	8.3
2019	9.2	8.0	8.1	10.2	8.7	9.5	7.8	8.0	7.6	10.0	8.1	7.1
2020	8.7	8.8	9.7	10.6	10.4	9.7	9.1	9.1	8.9	9.4	8.9	7.8
2021	9.8	9.5	9.4	9.4	11.0	9.4	7.0	8.3	8.7	9.4	8.2	8.3
2022	10.2	10.2	10.8	12.4	10.9	10.0	6.9	7.1	8.6	8.1	10.4	8.4
2023	7.3	8.5	7.8	9.8	9.8	8.6	7.1	7.1	7.1	9.1	8.3	6.8
2024	6.9	7.8	9.2	10.8	10.1	11.0	8.3	7.9	8.0	8.3	7.5	9.4
2025	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	61.42	52.83	38.84	28.76	16.96
2005	2.45	M	M	M	M	67.34	72.56	M	55.90	52.07	36.86	26.53
2006	28.68	19.69	22.55	43.95	56.36	64.25	65.80	66.36	53.46	32.82	14.47	18.15
2007	24.46	15.93	34.78	47.52	62.88	68.92	81.26	68.83	62.64	54.86	32.36	16.61
2008	15.54	20.68	35.58	44.88	64.14	69.48	72.82	73.55	65.28	55.49	39.87	10.29
2009	18.32	20.09	25.13	49.17	62.28	69.93	74.09	73.04	73.81	42.67	44.41	7.26
2010	17.90	21.91	42.12	52.94	57.60	69.02	72.08	68.70	58.53	54.44	29.55	12.78
2011	17.45	16.83	20.82	44.88	65.52	67.43	71.61	72.77	72.24	53.76	31.57	32.15
2012	26.09	28.09	38.86	50.80	61.96	70.68	75.55	76.08	70.58	42.64	23.47	11.68
2013	18.40	27.81	26.35	40.27	68.66	67.75	72.19	75.84	71.73	52.21	25.11	13.48
2014	24.09	9.99	26.25	47.28	59.72	67.04	75.33	73.80	64.62	55.38	24.64	23.88
2015	23.33	20.43	40.54	53.52	64.23	72.63	75.46	74.40	61.77	55.45	35.42	22.04
2016	21.67	34.12	41.82	57.43	64.42	71.76	72.62	71.83	63.79	41.23	39.86	14.94
2017	20.24	23.47	29.97	45.00	66.63	69.23	75.08	73.62	65.54	49.92	23.65	21.46
2018	20.21	13.70	27.41	42.69	70.80	73.50	76.16	75.47	52.16	49.37	31.62	25.71
2019	24.32	1.00	31.23	52.50	62.85	68.45	71.55	69.26	62.47	47.00	32.27	23.90
2020	15.07	25.97	26.25	42.75	62.61	69.57	73.94	74.02	67.28	43.76	30.20	27.09
2021	23.21	9.62	44.02	53.71	62.06	77.06	77.80	76.29	69.01	53.87	37.36	10.01
2022	21.62	23.29	33.52	46.49	63.63	70.58	75.05	79.43	72.42	59.97	23.80	7.47
2023	21.37	22.07	25.06	49.88	74.37	74.99	72.87	72.95	67.06	51.35	39.77	31.71
2024	10.57	27.06	27.29	53.38	59.06	67.63	80.91	75.29	71.03	53.84	27.55	26.27
2025	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	54.35	50.56	33.61	24.32	11.80
2005	-13.71	M	M	M	M	47.80	49.45	M	39.20	29.02	20.79	9.51
2006	13.26	9.26	15.85	38.91	50.45	57.65	57.04	59.27	48.91	32.38	11.66	13.50
2007	4.29	-2.61	16.70	28.42	40.18	49.09	53.96	45.70	35.42	28.38	14.21	-2.55
2008	-4.62	-0.78	16.11	23.55	39.23	46.63	48.59	47.20	36.43	26.52	20.73	-8.64
2009	-3.54	-0.49	1.15	26.21	33.54	42.99	45.94	45.59	40.65	26.51	18.27	-10.45
2010	1.48	4.59	20.99	28.53	35.37	46.17	48.31	46.98	35.93	29.79	8.06	-1.24
2011	-0.54	-3.75	6.41	24.77	38.92	47.09	50.06	46.57	38.50	28.89	11.41	12.42
2012	5.88	3.66	20.57	27.52	37.69	46.73	52.93	48.18	38.95	23.57	8.29	-5.49
2013	1.59	8.78	6.05	22.50	39.76	49.26	47.39	47.61	39.22	25.98	6.76	-6.13
2014	4.37	-7.79	7.23	25.89	36.06	45.67	51.17	48.51	38.13	32.28	10.44	9.01
2015	5.44	0.85	21.51	28.69	35.23	47.88	51.09	47.32	38.35	30.44	17.82	6.16
2016	3.05	17.89	26.98	30.68	39.11	48.17	51.78	47.56	37.83	28.68	24.62	0.40
2017	3.26	8.24	12.88	29.73	40.95	48.04	50.03	46.79	38.49	27.45	6.79	6.34
2018	1.95	-7.98	9.30	21.23	43.45	47.43	49.11	46.47	35.00	26.39	15.31	7.48
2019	6.54	-19.25	10.93	27.56	37.82	46.78	49.10	46.38	40.73	22.62	14.91	7.23
2020	-3.77	4.41	5.98	20.52	39.54	49.38	52.20	49.10	40.73	24.64	10.70	9.38
2021	6.61	-8.22	19.80	23.11	37.46	51.70	53.85	49.13	39.76	26.61	16.26	-6.93
2022	1.59	4.73	16.33	26.82	38.70	48.62	52.86	51.69	41.15	31.51	7.40	-9.58
2023	8.10	3.74	3.69	27.29	43.17	49.77	51.57	48.05	37.71	25.89	18.48	14.34
2024	-5.76	6.00	9.27	29.65	38.50	44.37	54.12	49.04	41.63	28.48	11.87	11.60
2025	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	57.89	51.70	36.23	26.54	14.38
2005	-5.63	M	M	M	M	57.57	61.00	M	47.55	40.55	28.83	18.02
2006	20.97	14.47	19.20	41.43	53.40	60.95	61.42	62.82	51.18	32.60	13.06	15.82
2007	14.38	6.66	25.74	37.97	51.53	59.00	67.61	57.26	49.03	41.62	23.29	7.03
2008	5.46	9.95	25.84	34.21	51.68	58.05	60.70	60.38	50.85	41.00	30.30	0.82
2009	7.39	9.80	13.14	37.69	47.91	56.46	60.01	59.32	57.23	34.59	31.34	-1.60
2010	9.69	13.25	31.55	40.73	46.48	57.60	60.20	57.84	47.23	42.12	18.80	5.77
2011	8.46	6.54	13.61	34.82	52.22	57.26	60.84	59.67	55.37	41.32	21.49	22.29
2012	15.98	15.88	29.72	39.16	49.83	58.71	64.24	62.13	54.77	33.11	15.88	3.10
2013	9.99	18.30	16.20	31.39	54.21	58.51	59.79	61.72	55.47	39.10	15.94	3.68
2014	14.23	1.10	16.74	36.59	47.89	56.35	63.25	61.15	51.37	43.83	17.54	16.45
2015	14.39	10.64	31.02	41.10	49.73	60.25	63.28	60.86	50.06	42.94	26.62	14.10
2016	12.36	26.00	34.40	44.06	51.77	59.96	62.20	59.70	50.81	34.96	32.24	7.67
2017	11.75	15.86	21.43	37.36	53.79	58.64	62.55	60.20	52.01	38.69	15.22	13.90
2018	11.08	2.86	18.36	31.96	57.13	60.47	62.64	60.97	43.58	37.88	23.47	16.60
2019	15.43	-9.13	21.08	40.03	50.34	57.61	60.33	57.82	51.60	34.81	23.59	15.56
2020	5.65	15.19	16.12	31.63	51.07	59.47	63.07	61.56	54.00	34.20	20.45	18.23
2021	14.91	0.70	31.91	38.41	49.76	64.38	65.82	62.71	54.38	40.24	26.81	1.54
2022	11.61	14.01	24.93	36.66	51.17	59.60	63.95	65.56	56.78	45.74	15.60	-1.05
2023	14.74	12.90	14.37	38.58	58.77	62.38	62.22	60.50	52.39	38.62	29.13	23.02
2024	2.40	16.53	18.28	41.52	48.78	56.00	67.52	62.17	56.33	41.16	19.71	18.94
2025	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	81.5%	80.6%	80.4%	77.5%	78.0%
2005	79.9%	76.2%	78.2%	60.1%	54.7%	73.5%	72.0%	72.2%	72.6%	71.9%	78.0%	82.2%
2006	89.2%	75.2%	83.5%	60.7%	65.3%	66.5%	64.7%	65.9%	69.4%	74.8%	80.4%	78.9%
2007	75.0%	79.5%	75.5%	66.5%	61.6%	66.6%	63.4%	70.1%	66.1%	64.4%	70.2%	81.0%
2008	78.4%	77.6%	75.1%	67.1%	53.0%	66.2%	69.4%	67.0%	64.3%	56.5%	74.5%	75.9%
2009	71.1%	78.1%	76.0%	61.4%	47.9%	52.3%	64.6%	67.8%	53.6%	76.8%	65.6%	77.4%
2010	81.3%	84.6%	73.0%	59.9%	62.0%	61.1%	73.5%	75.3%	73.9%	67.9%	74.5%	80.2%
2011	76.9%	73.6%	79.6%	68.1%	47.6%	67.6%	71.3%	69.9%	55.0%	63.9%	72.8%	73.5%
2012	69.8%	74.8%	74.1%	59.5%	52.0%	64.9%	76.9%	70.4%	59.6%	75.7%	84.5%	82.5%
2013	79.7%	82.8%	78.5%	72.4%	52.5%	72.6%	73.8%	73.8%	60.7%	68.8%	83.3%	78.6%
2014	77.4%	74.4%	71.9%	68.7%	59.2%	68.7%	73.4%	74.5%	71.9%	68.9%	81.2%	84.4%
2015	78.7%	79.7%	75.3%	57.8%	48.8%	61.0%	68.2%	69.5%	73.1%	71.1%	76.6%	82.7%
2016	80.5%	78.4%	76.8%	57.2%	59.7%	65.5%	79.0%	76.4%	70.9%	87.0%	85.2%	76.7%
2017	81.2%	79.9%	81.8%	79.6%	56.8%	67.8%	74.5%	71.0%	68.2%	71.5%	84.9%	76.5%
2018	81.3%	75.1%	82.3%	69.0%	54.0%	61.9%	70.9%	66.3%	78.3%	70.4%	86.0%	82.8%
2019	82.5%	75.8%	77.6%	59.0%	52.4%	72.6%	81.3%	77.2%	77.9%	73.3%	84.4%	84.4%
2020	79.1%	78.2%	79.2%	67.7%	59.6%	71.1%	78.9%	73.5%	70.0%	72.2%	82.8%	80.7%
2021	79.0%	74.4%	70.7%	53.3%	58.4%	62.1%	70.8%	65.3%	64.6%	64.2%	78.0%	77.1%
2022	78.3%	77.3%	79.4%	63.2%	54.1%	66.8%	78.7%	70.9%	61.6%	65.2%	79.8%	80.0%
2023	86.7%	77.5%	80.6%	67.2%	55.5%	67.5%	78.9%	78.1%	70.0%	70.9%	75.5%	82.4%
2024	80.2%	79.1%	75.0%	55.9%	67.7%	62.9%	69.2%	71.3%	68.7%	72.0%	83.4%	83.4%
2025	M	M	M	M	M	M	M	M	M	M	M	M

Monthly Plots

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