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	M
2007	0.07	0.07	0.73	2.91	2.30	5.24	4.61	3.57	2.86	2.89	7.21	2.88
2008	2.69	3.37	3.56	3.50	1.64	4.84	2.51	6.21	4.24	3.93	5.48	3.94
2009	2.02	1.37	1.95	3.57	3.70	1.86	5.46	3.16	1.69	3.76	2.58	4.63
2010	1.07	0.77	2.65	2.21	2.19	4.82	6.25	0.83	7.83	4.04	3.65	5.12
2011	0.75	1.72	4.78	3.02	3.98	7.18	4.48	7.60	3.40	2.59	2.04	1.86
2012	2.14	1.99	1.29	4.09	2.61	5.48	1.15	2.99	2.01	5.18	0.78	3.07
2013	1.18	2.03	2.00	1.38	5.04	5.30	2.20	3.81	4.89	1.77	3.58	2.56
2014	3.34	1.83	2.91	4.12	4.16	2.65	5.74	1.25	2.97	5.16	2.68	4.74
2015	2.00	0.78	1.00	3.30	1.99	3.88	4.38	2.48	3.44	2.64	2.95	4.54
2016	1.36	4.51	4.18	2.11	3.12	6.97	3.99	3.05	3.40	4.08	3.32	2.24
2017	4.94	1.82	2.76	4.48	4.66	5.05	1.85	2.31	2.74	7.59	3.75	3.14
2018	2.71	5.33	1.96	4.94	2.24	2.33	3.66	5.12	2.75	1.64	1.27	4.28
2019	5.88	4.39	2.67	3.59	2.89	2.64	3.91	2.45	4.08	2.94	5.31	2.53
2020	3.18	2.47	3.34	2.56	2.57	1.26	3.14	3.11	2.21	7.35	3.96	2.47
2021	1.39	2.55	2.60	1.18	M	M	1.20	1.56	7.31	2.45	2.96	2.82
2022	1.51	3.53	3.50	2.74	4.81	5.49	5.62	3.29	2.26	5.94	4.99	4.46
2023	5.08	1.81	2.08	1.05	2.00	7.19	0.88	6.64	2.95	4.18	2.14	3.41
2024	2.26	1.13	4.37	1.33	1.63	5.41	1.77	3.53	1.52	3.91	2.41	4.73
2025	1.73	2.86	3.36	3.79	3.94	0.62	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	0.7	0.0	0.0	0.0	3.4
2005	5.0	5.1	5.4	5.8	5.4	4.5	3.9	3.8	4.2	3.7	4.7	3.6
2006	3.7	4.9	5.0	5.2	4.1	3.9	3.3	3.9	3.3	4.6	3.0	3.9
2007	4.8	4.8	5.6	4.7	4.9	4.0	3.4	3.4	4.2	4.1	4.5	4.1
2008	4.2	4.3	5.6	4.7	5.0	4.2	3.4	3.6	3.7	4.2	4.6	4.7
2009	4.1	5.6	4.3	5.8	5.4	4.3	3.4	3.7	3.5	3.6	3.8	5.1
2010	5.2	5.8	5.2	4.9	5.6	4.0	3.8	3.5	3.8	5.3	4.0	5.3
2011	4.4	4.6	5.7	5.4	4.5	4.0	3.7	3.1	3.4	4.1	3.9	4.0
2012	4.1	4.7	4.7	5.7	4.9	4.0	3.2	3.0	3.6	4.0	4.0	4.6
2013	5.2	5.1	5.0	5.4	4.4	3.7	3.6	3.3	4.1	3.5	5.5	3.1
2014	4.0	4.2	5.5	5.0	4.5	4.0	3.8	3.3	3.8	3.8	4.8	4.1
2015	4.7	4.8	6.2	5.9	5.2	3.8	3.6	3.2	3.3	4.2	4.5	3.2
2016	4.6	5.0	4.8	5.5	4.6	4.6	3.5	3.9	3.6	4.4	4.9	5.1
2017	6.4	6.6	7.5	5.1	5.2	4.2	3.9	3.7	3.3	4.6	5.9	5.4
2018	6.0	5.2	6.7	5.7	4.4	4.3	3.8	2.9	3.3	5.0	5.7	3.8
2019	4.7	5.6	5.0	5.6	4.9	4.2	3.5	3.4	3.5	3.7	4.8	4.4
2020	3.8	4.0	5.3	5.4	5.6	4.0	3.4	3.8	4.2	4.0	3.8	5.0
2021	4.8	4.1	6.1	5.1	5.0	4.2	3.7	3.0	3.8	3.0	3.6	4.7
2022	4.3	4.8	5.2	5.6	4.7	4.2	3.6	2.9	3.6	3.2	3.9	4.7
2023	3.9	4.5	4.8	4.9	5.7	3.4	3.0	3.3	2.7	3.5	3.9	3.8
2024	3.8	4.8	4.6	5.6	3.9	3.7	3.1	3.1	2.8	3.7	4.7	3.7
2025	4.5	5.3	5.1	5.3	4.5	3.9	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	M	M	M	M	M
2005	12.69	26.87	33.57	47.49	57.66	74.31	77.70	M	37.80	54.23	38.55	24.16
2006	26.35	12.22	26.18	41.70	55.79	67.84	68.58	65.98	52.44	43.33	34.49	24.43
2007	21.49	19.46	33.00	46.05	62.06	72.08	75.23	71.92	66.20	56.50	35.81	22.14
2008	22.40	24.06	29.75	50.46	60.28	69.25	76.57	72.74	65.63	51.71	39.84	24.29
2009	12.65	24.65	28.33	49.70	61.28	70.00	71.83	75.66	65.53	45.59	43.88	25.92
2010	26.12	29.25	41.47	54.22	65.09	70.20	78.47	76.71	64.20	51.08	39.37	30.08
2011	20.20	21.64	33.15	45.39	60.35	69.77	76.83	73.08	68.25	53.29	44.50	28.63
2012	21.22	25.84	40.60	48.78	63.60	71.02	76.98	77.82	67.53	54.47	37.80	28.02
2013	20.48	25.25	37.05	47.64	64.21	68.74	77.76	72.56	65.73	54.74	37.60	18.29
2014	19.83	22.00	25.39	46.71	61.04	73.83	77.34	75.73	65.90	54.51	36.30	26.41
2015	17.40	12.21	31.20	46.18	66.59	66.69	73.37	76.97	69.67	49.28	40.76	32.33
2016	24.75	27.41	32.11	44.08	63.63	70.38	75.84	75.97	67.72	54.62	41.90	23.42
2017	24.00	25.40	28.52	47.18	61.61	70.61	75.77	73.56	69.87	60.25	36.59	22.68
2018	18.33	28.94	35.62	43.48	64.96	68.88	81.02	77.23	66.14	45.56	31.34	22.80
2019	18.26	19.67	33.34	44.14	57.71	69.00	78.86	74.17	62.19	52.95	33.43	26.63
2020	23.46	26.05	34.85	44.21	61.22	74.63	78.37	75.57	66.35	49.54	41.47	32.51
2021	24.96	25.20	37.17	52.08	63.31	74.30	73.96	79.54	66.89	57.79	39.84	27.51
2022	14.96	22.26	32.33	46.18	66.24	69.63	77.43	75.98	66.98	60.47	40.65	31.57
2023	25.28	22.43	36.51	50.23	62.69	70.33	79.87	70.07	70.63	57.83	35.45	32.56
2024	24.22	30.99	38.64	48.88	66.28	75.50	79.40	75.58	70.36	55.53	42.30	28.86
2025	21.44	21.55	38.06	46.90	63.05	70.17	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	M	M	M	M	M
2005	-11.43	-0.20	8.50	28.42	38.27	49.06	50.12	M	33.30	37.15	25.55	6.71
2006	3.24	2.23	18.06	38.36	48.63	61.54	64.58	56.80	48.20	42.63	31.67	20.46
2007	-3.25	-7.65	10.38	24.11	36.58	45.93	50.75	47.36	40.61	33.96	19.65	-1.58
2008	-1.63	-5.19	-1.57	27.73	35.35	49.27	53.54	51.33	41.12	31.00	26.44	1.14
2009	-16.73	-0.14	5.17	27.56	35.67	47.04	53.15	51.29	37.34	29.40	25.12	11.09
2010	8.25	16.54	17.80	29.88	38.94	46.97	56.09	49.07	46.01	32.81	21.71	17.44
2011	2.29	-4.22	9.36	24.16	40.37	47.10	52.42	51.47	42.62	34.52	24.76	9.40
2012	-1.96	0.48	14.88	28.26	39.72	47.61	50.97	53.49	39.99	34.24	21.04	10.77
2013	-3.36	3.99	20.02	25.25	39.32	45.70	51.71	48.79	42.87	31.63	21.40	0.49
2014	-4.31	-4.76	-3.31	23.99	40.87	47.17	53.59	50.54	40.54	36.11	19.86	10.25
2015	-8.19	-15.36	3.05	22.87	38.79	44.44	50.48	54.19	40.85	27.76	26.85	20.21
2016	3.75	1.46	6.56	19.72	38.20	47.51	51.75	50.55	42.69	32.46	29.01	6.93
2017	3.71	-1.66	7.24	29.53	40.35	46.13	49.78	46.84	45.90	35.09	18.66	4.91
2018	-3.98	-0.89	18.54	21.09	34.14	41.47	54.88	52.77	40.75	30.04	17.19	0.37
2019	-5.64	-5.79	5.52	27.51	34.78	43.59	51.15	48.92	38.84	33.46	17.02	5.67
2020	1.98	-4.59	8.53	23.93	35.81	45.28	55.11	48.72	39.81	30.63	22.43	22.64
2021	3.22	-2.68	11.02	27.55	34.72	47.62	48.80	52.95	44.73	36.99	23.92	9.72
2022	-13.45	-1.87	10.92	27.64	37.64	46.83	51.00	52.31	42.00	33.75	22.76	17.00
2023	7.15	-8.45	16.14	27.27	34.92	49.80	59.16	51.36	46.40	39.54	20.80	17.63
2024	1.20	5.17	21.57	26.54	40.99	49.46	55.19	52.19	43.93	33.29	28.79	10.47
2025	1.40	-3.08	13.56	27.76	37.59	43.89	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	M	M	M	M	M
2005	0.63	13.33	21.04	37.95	47.96	61.68	63.91	M	35.55	45.69	32.05	15.44
2006	14.80	7.23	22.12	40.03	52.21	64.69	66.58	61.39	50.32	42.98	33.08	22.45
2007	9.12	5.91	21.69	35.08	49.32	59.01	62.99	59.64	53.40	45.23	27.73	10.28
2008	10.38	9.43	14.09	39.10	47.82	59.26	65.05	62.03	53.38	41.35	33.14	12.72
2009	-2.04	12.25	16.75	38.63	48.47	58.52	62.49	63.48	51.44	37.50	34.50	18.51
2010	17.18	22.89	29.63	42.05	52.01	58.59	67.28	62.89	55.10	41.95	30.54	23.76
2011	11.24	8.71	21.25	34.77	50.36	58.43	64.62	62.28	55.43	43.91	34.63	19.01
2012	9.63	13.16	27.74	38.52	51.66	59.31	63.97	65.66	53.76	44.36	29.42	19.39
2013	8.56	14.62	28.53	36.44	51.76	57.22	64.74	60.68	54.30	43.18	29.50	9.39
2014	7.76	8.62	11.04	35.35	50.96	60.50	65.47	63.13	53.22	45.31	28.08	18.33
2015	4.60	-1.57	17.13	34.53	52.69	55.57	61.93	65.58	55.26	38.52	33.81	26.27
2016	14.25	14.43	19.33	31.90	50.91	58.95	63.80	63.26	55.21	43.54	35.45	15.17
2017	13.85	11.87	17.88	38.35	50.98	58.37	62.77	60.20	57.89	47.67	27.62	13.79
2018	7.17	14.03	27.08	32.28	49.55	55.18	67.95	65.00	53.45	37.80	24.27	11.58
2019	6.31	6.94	19.43	35.83	46.25	56.29	65.01	61.55	50.52	43.21	25.23	16.15
2020	12.72	10.73	21.69	34.07	48.51	59.96	66.74	62.15	53.08	40.08	31.95	27.57
2021	14.09	11.26	24.10	39.82	49.02	60.96	61.38	66.25	55.81	47.39	31.88	18.61
2022	0.75	10.19	21.62	36.91	51.94	58.23	64.22	64.14	54.49	47.11	31.70	24.29
2023	16.21	6.99	26.32	38.75	48.80	60.07	69.52	60.72	58.51	48.68	28.12	25.09
2024	12.71	18.08	30.11	37.71	53.63	62.48	67.30	63.89	57.14	44.41	35.55	19.67
2025	11.42	9.24	25.81	37.33	50.32	57.03	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	M	M	86.9%	83.5%	83.3%
2005	81.0%	70.3%	70.7%	70.1%	69.4%	72.1%	73.5%	76.9%	80.8%	82.9%	81.0%	81.8%
2006	81.3%	74.0%	69.8%	64.1%	71.1%	75.3%	78.6%	76.6%	81.9%	78.6%	83.4%	79.7%
2007	76.3%	70.6%	67.4%	66.9%	61.8%	70.9%	76.0%	77.8%	76.5%	77.8%	80.3%	79.2%
2008	77.1%	73.8%	67.4%	67.3%	64.5%	75.7%	76.3%	78.0%	79.2%	79.4%	79.4%	76.6%
2009	70.9%	73.9%	69.3%	66.8%	63.6%	71.1%	78.1%	74.0%	76.6%	80.6%	76.2%	79.5%
2010	75.2%	76.4%	63.3%	66.2%	63.2%	72.5%	76.7%	74.4%	81.6%	77.9%	82.1%	82.6%
2011	77.2%	73.1%	71.8%	68.5%	73.0%	76.3%	76.3%	82.6%	81.2%	78.9%	79.2%	81.8%
2012	77.6%	72.9%	69.4%	68.7%	70.9%	75.7%	73.2%	76.5%	78.1%	80.9%	77.8%	82.0%
2013	72.2%	71.9%	72.4%	64.5%	69.8%	74.2%	72.2%	79.1%	79.4%	78.8%	73.2%	79.0%
2014	72.6%	70.4%	65.8%	69.9%	74.2%	72.1%	74.5%	77.8%	78.5%	81.5%	78.4%	79.8%
2015	72.8%	65.6%	60.7%	64.5%	65.3%	74.4%	77.1%	79.8%	77.3%	78.0%	80.3%	84.8%
2016	75.8%	71.9%	68.9%	61.1%	69.3%	73.7%	75.8%	76.7%	79.4%	79.8%	85.6%	82.5%
2017	75.4%	72.7%	67.7%	76.2%	70.2%	73.1%	73.5%	74.8%	79.3%	79.2%	77.6%	79.6%
2018	73.9%	72.6%	69.5%	68.7%	58.8%	68.2%	70.3%	79.9%	81.4%	72.3%	73.7%	78.2%
2019	75.8%	71.7%	66.1%	69.3%	66.2%	72.5%	75.7%	78.6%	82.8%	81.2%	77.8%	77.3%
2020	80.3%	72.7%	69.8%	63.8%	63.5%	70.0%	78.0%	75.6%	76.1%	82.5%	80.8%	82.7%
2021	77.4%	74.6%	68.2%	72.3%	65.8%	73.4%	76.8%	78.6%	83.1%	84.3%	80.7%	75.0%
2022	72.3%	73.4%	73.7%	70.5%	64.0%	76.2%	75.6%	81.5%	79.8%	80.1%	79.9%	79.5%
2023	80.6%	69.7%	72.0%	67.3%	62.5%	80.6%	82.2%	83.7%	84.3%	85.5%	78.1%	78.9%
2024	75.5%	71.7%	75.2%	67.0%	68.9%	75.0%	78.0%	80.2%	80.2%	79.5%	82.5%	79.6%
2025	77.3%	69.9%	73.7%	70.0%	69.5%	70.7%	M	M	M	M	M	M

Monthly Plots

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May 2025

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