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	0.00	0.18	2.09	3.10	3.94	0.89	2.16	0.94	0.26	0.16	0.39
2008	0.36	0.23	0.39	0.61	3.09	1.92	1.77	1.72	0.47	0.92	0.08	0.37
2009	0.16	0.23	0.48	0.12	0.62	1.77	1.80	3.66	0.36	0.95	0.08	0.45
2010	0.20	0.10	0.10	1.96	1.81	3.39	4.16	1.59	1.69	0.29	0.69	0.24
2011	0.77	0.28	0.41	0.97	1.85	3.40	4.38	0.75	0.75	1.72	2.27	1.76
2012	3.66	3.32	0.00	0.00	0.00	3.68	4.07	2.12	0.53	1.20	0.48	0.52
2013	0.30	0.06	0.33	0.75	1.70	3.58	1.90	0.60	0.22	0.69	0.79	0.51
2014	0.19	0.42	0.73	0.63	3.12	2.83	2.08	4.28	1.66	0.34	1.54	0.32
2015	0.47	0.42	0.63	1.41	0.96	1.92	4.64	4.41	3.02	0.35	0.29	0.84
2016	0.59	0.54	1.15	1.21	4.53	1.45	6.06	2.82	1.39	0.77	0.58	0.84
2017	0.52	0.96	0.80	1.22	1.75	3.24	1.26	1.35	1.40	0.64	1.04	0.80
2018	0.44	1.01	0.96	0.62	0.72	3.45	1.44	1.51	2.73	1.05	1.31	1.22
2019	0.79	1.68	0.74	0.88	0.95	3.10	2.11	1.67	2.24	1.24	1.27	1.04
2020	1.32	0.71	0.86	0.60	3.60	3.82	2.10	2.43	1.79	2.01	1.72	1.65
2021	1.07	1.61	0.42	1.36	2.44	3.04	1.11	1.86	2.84	2.49	1.57	4.23
2022	1.00	1.38	1.07	1.25	2.83	7.17	2.48	1.36	1.17	0.28	0.56	0.32
2023	0.18	0.12	0.20	0.11	0.92	1.43	1.48	0.42	0.96	0.34	0.20	0.42
2024	0.12	0.48	0.59	0.25	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	6.6	8.2	8.2	8.5	9.2
2005	7.7	7.8	9.3	11.1	11.5	9.7	8.1	8.7	8.1	9.0	8.0	8.0
2006	6.6	9.3	9.2	10.0	11.3	9.7	7.5	7.6	8.9	8.5	9.3	9.6
2007	10.2	8.2	10.4	10.5	11.7	9.8	7.7	8.2	8.3	9.4	9.1	6.8
2008	9.3	7.7	8.3	10.3	10.4	9.6	8.2	8.9	7.4	9.3	8.5	8.6
2009	9.2	6.9	9.3	10.0	10.3	8.9	8.3	7.8	10.6	8.8	9.1	7.4
2010	7.8	7.1	9.3	13.0	10.6	8.8	8.0	7.7	8.4	7.9	7.3	6.7
2011	9.4	10.9	10.0	8.3	11.6	9.3	7.6	7.0	9.3	7.6	9.2	8.6
2012	8.8	8.0	9.8	10.8	9.8	10.1	7.8	7.6	8.2	9.8	8.1	7.0
2013	8.8	8.6	8.9	10.9	10.4	9.4	8.2	6.8	9.0	8.4	7.7	9.6
2014	10.3	7.6	8.3	8.8	9.1	9.4	8.0	6.9	8.3	9.4	9.1	7.0
2015	7.5	8.6	8.7	10.6	10.2	7.6	7.8	7.4	7.4	9.2	8.3	5.1
2016	6.8	7.8	9.1	11.0	10.1	8.8	6.6	8.1	7.6	7.1	7.8	9.0
2017	7.3	7.2	9.6	9.6	10.6	10.0	8.2	7.6	8.3	11.3	8.6	7.8
2018	7.9	7.5	7.5	8.5	9.7	8.9	7.7	7.4	7.7	7.9	7.7	8.6
2019	8.0	8.2	6.7	10.0	9.1	9.8	7.6	8.3	8.0	10.5	7.8	6.2
2020	8.6	9.0	9.6	9.9	11.6	8.9	8.5	8.6	8.9	9.2	9.5	7.4
2021	9.0	8.7	10.6	9.2	10.8	8.8	8.0	8.1	9.0	9.8	9.0	7.7
2022	9.9	9.5	10.0	12.5	10.0	10.6	6.7	7.8	8.6	8.0	9.9	8.9
2023	7.2	8.5	7.5	9.9	9.4	9.6	7.4	7.9	8.5	8.9	7.3	7.4
2024	7.1	7.3	8.3	9.1	M	M	M	M	M	M	M	M
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	63.34	54.32	41.60	31.07	18.80
2005	15.21	30.41	39.57	55.06	63.88	64.72	75.09	M	50.90	53.04	38.01	27.58
2006	32.91	21.92	24.62	46.53	55.66	64.22	65.69	67.47	54.07	33.92	17.04	23.40
2007	27.60	20.07	40.80	47.61	62.26	69.48	81.85	70.68	62.76	55.95	37.31	20.12
2008	21.09	26.08	41.55	46.28	62.95	68.17	74.30	75.41	65.77	56.39	42.34	13.97
2009	20.32	24.33	29.38	50.74	62.48	69.77	74.91	71.88	74.20	42.31	43.96	9.87
2010	20.95	25.40	46.81	53.20	56.69	67.07	74.03	69.58	57.90	56.65	29.73	16.38
2011	16.73	17.07	23.54	45.68	61.78	66.17	73.27	73.43	72.81	54.06	34.86	32.01
2012	28.34	32.42	41.98	51.37	61.84	69.78	77.30	77.20	72.24	44.05	26.28	14.50
2013	20.71	28.75	27.13	42.54	67.04	67.47	72.77	78.64	72.29	52.77	24.63	15.03
2014	25.35	11.01	25.11	49.95	60.25	66.38	77.95	72.89	64.56	56.51	27.01	27.26
2015	26.35	23.53	45.47	54.81	63.04	72.69	75.48	73.61	61.86	56.27	36.29	22.26
2016	20.78	33.14	43.28	58.84	62.74	71.58	71.93	70.70	61.68	43.03	43.68	17.13
2017	22.10	24.09	34.24	48.50	66.55	69.00	78.94	76.12	66.25	51.05	25.92	22.65
2018	18.84	8.98	24.08	40.98	69.64	71.58	76.38	75.83	51.92	49.27	34.44	26.67
2019	26.27	1.62	31.23	51.45	60.19	67.62	72.24	71.45	62.71	47.58	32.45	23.39
2020	17.97	27.23	28.02	44.90	61.45	68.15	73.92	77.40	67.71	45.47	34.77	27.34
2021	25.77	10.97	44.59	53.82	61.07	76.61	81.96	75.75	68.93	55.32	42.65	9.82
2022	22.17	25.72	36.99	47.58	62.46	67.54	76.09	81.86	72.54	59.73	21.68	11.08
2023	23.40	23.30	23.50	51.17	73.24	75.28	77.87	78.25	68.18	51.42	41.57	33.69
2024	14.23	30.07	28.81	47.74	M	M	M	M	M	M	M	M
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	56.51	51.23	35.65	23.53	13.54
2005	-2.55	9.16	19.72	29.55	37.39	46.30	48.79	M	46.60	29.50	20.30	11.20
2006	15.92	12.74	17.57	40.31	49.92	57.09	57.64	58.90	49.83	33.34	13.70	18.15
2007	7.06	3.73	20.58	27.56	39.80	48.37	53.53	46.54	36.55	29.55	14.09	1.08
2008	0.77	3.72	18.50	22.62	39.54	45.27	48.73	47.97	37.46	27.96	21.00	-3.16
2009	-0.76	3.71	8.08	26.10	34.07	43.80	48.13	47.92	41.33	25.95	20.34	-6.72
2010	7.62	8.89	24.54	27.97	34.38	45.12	48.12	46.26	37.19	30.56	8.04	0.84
2011	2.56	-2.34	9.07	24.89	38.28	46.41	48.31	48.03	40.90	27.22	12.54	12.56
2012	7.52	7.22	21.05	29.14	38.06	47.41	53.33	49.27	39.59	26.51	11.85	-3.36
2013	5.39	11.39	8.45	24.54	41.16	47.36	49.10	48.66	42.65	26.67	8.56	-3.23
2014	6.46	-8.38	8.17	26.94	37.24	45.13	51.18	50.78	40.23	32.15	10.80	12.75
2015	8.94	5.78	22.33	26.59	36.09	46.47	49.73	47.80	37.57	30.71	14.76	6.13
2016	4.87	15.67	25.68	32.47	37.96	45.95	49.22	47.84	38.05	28.16	24.71	1.29
2017	4.63	8.37	16.07	28.63	40.49	46.57	49.34	47.15	38.68	27.26	9.35	5.07
2018	-0.04	-8.06	6.67	19.86	42.69	46.27	47.72	46.42	34.65	25.95	16.81	10.39
2019	8.85	-14.71	9.52	26.85	36.33	44.26	48.56	47.01	41.01	20.90	15.08	8.30
2020	-0.48	8.12	8.39	22.53	37.17	46.46	50.47	48.05	40.46	25.63	14.64	10.12
2021	9.84	-8.41	21.00	22.95	36.82	49.62	54.22	49.66	40.33	28.25	19.15	-6.52
2022	4.74	6.76	17.97	25.94	37.68	47.57	51.42	52.09	42.22	32.00	6.17	-6.76
2023	9.24	7.12	4.56	27.54	44.25	48.88	51.27	49.55	41.50	27.34	21.51	17.84
2024	-1.44	8.32	12.56	30.73	M	M	M	M	M	M	M	M
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	59.92	52.78	38.63	27.30	16.17
2005	6.33	19.79	29.65	42.30	50.64	55.51	61.94	M	48.75	41.27	29.15	19.39
2006	24.41	17.33	21.09	43.42	52.79	60.65	61.66	63.18	51.95	33.63	15.37	20.78
2007	17.33	11.90	30.69	37.58	51.03	58.92	67.69	58.61	49.66	42.75	25.70	10.60
2008	10.93	14.90	30.03	34.45	51.24	56.72	61.51	61.69	51.62	42.18	31.67	5.40
2009	9.78	14.02	18.73	38.42	48.27	56.79	61.52	59.90	57.77	34.13	32.15	1.58
2010	14.28	17.14	35.67	40.58	45.54	56.09	61.07	57.92	47.54	43.60	18.89	8.61
2011	9.65	7.37	16.30	35.28	50.03	56.29	60.79	60.73	56.85	40.64	23.70	22.28
2012	17.93	19.82	31.51	40.26	49.95	58.60	65.31	63.24	55.91	35.28	19.06	5.57
2013	13.05	20.07	17.79	33.54	54.10	57.41	60.94	63.65	57.47	39.72	16.59	5.90
2014	15.90	1.32	16.64	38.44	48.75	55.76	64.57	61.84	52.39	44.33	18.91	20.01
2015	17.65	14.65	33.90	40.70	49.57	59.58	62.61	60.71	49.72	43.49	25.53	14.19
2016	12.82	24.41	34.48	45.66	50.35	58.76	60.58	59.27	49.87	35.59	34.19	9.21
2017	13.37	16.23	25.15	38.57	53.52	57.78	64.14	61.64	52.47	39.16	17.64	13.86
2018	9.40	0.46	15.38	30.42	56.17	58.93	62.05	61.13	43.29	37.61	25.62	18.53
2019	17.56	-6.54	20.37	39.15	48.26	55.94	60.40	59.23	51.86	34.24	23.77	15.85
2020	8.75	17.68	18.20	33.72	49.31	57.31	62.19	62.72	54.08	35.55	24.70	18.73
2021	17.80	1.28	32.80	38.38	48.95	63.12	68.09	62.70	54.63	41.79	30.90	1.65
2022	13.45	16.24	27.48	36.76	50.07	57.56	63.76	66.97	57.38	45.86	13.92	2.16
2023	16.32	15.21	14.03	39.35	58.74	62.08	64.57	63.90	54.84	39.38	31.54	25.77
2024	6.39	19.20	20.69	39.23	M	M	M	M	M	M	M	M
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	81.0%	77.9%	80.5%	72.1%	78.1%
2005	82.1%	76.3%	75.3%	57.2%	50.7%	75.9%	66.1%	71.3%	71.5%	72.7%	79.3%	79.5%
2006	83.0%	72.8%	85.3%	60.5%	57.9%	65.7%	64.8%	62.6%	66.8%	77.1%	79.7%	75.8%
2007	75.7%	80.9%	72.8%	69.9%	63.1%	68.7%	63.0%	67.9%	68.4%	63.1%	67.5%	78.8%
2008	76.7%	76.9%	66.8%	64.4%	59.1%	67.4%	64.7%	59.5%	64.4%	57.5%	73.1%	78.9%
2009	73.5%	77.7%	76.1%	57.1%	50.2%	54.1%	62.8%	68.7%	51.0%	76.8%	64.4%	79.9%
2010	81.8%	87.3%	67.8%	58.0%	63.8%	66.2%	71.7%	74.0%	75.1%	69.2%	74.7%	82.8%
2011	78.0%	75.8%	82.3%	67.5%	56.4%	71.8%	69.3%	66.7%	54.5%	62.7%	69.4%	75.0%
2012	68.5%	72.5%	72.9%	65.5%	56.5%	68.6%	74.8%	66.3%	58.7%	78.1%	87.6%	85.1%
2013	81.1%	84.3%	82.7%	71.3%	54.1%	73.6%	74.7%	67.7%	58.6%	71.1%	86.8%	81.8%
2014	81.0%	77.4%	77.5%	67.6%	61.9%	69.5%	67.6%	77.6%	73.2%	68.8%	85.1%	86.4%
2015	82.1%	83.4%	75.1%	55.8%	48.2%	62.3%	67.6%	68.9%	71.7%	67.8%	76.6%	83.4%
2016	84.1%	81.8%	73.9%	53.1%	58.2%	62.3%	78.6%	75.6%	72.7%	85.0%	78.8%	74.6%
2017	79.6%	79.4%	75.1%	71.1%	54.5%	65.4%	63.5%	59.4%	62.3%	65.8%	82.7%	74.2%
2018	81.4%	76.2%	86.6%	72.3%	51.0%	60.5%	63.9%	59.9%	77.2%	69.6%	83.0%	80.2%
2019	83.2%	75.5%	78.8%	55.9%	56.2%	66.7%	74.9%	70.4%	73.9%	68.8%	85.9%	88.8%
2020	79.7%	85.5%	84.5%	67.6%	60.7%	74.1%	78.9%	66.2%	65.8%	75.6%	84.9%	88.7%
2021	89.6%	85.9%	74.3%	56.4%	64.7%	66.7%	66.0%	66.3%	62.8%	62.8%	74.6%	88.2%
2022	88.0%	90.4%	84.2%	63.2%	59.9%	79.5%	83.8%	68.4%	63.0%	70.2%	86.8%	85.4%
2023	96.1%	87.1%	95.7%	73.0%	62.5%	70.5%	75.3%	68.2%	61.7%	69.0%	73.7%	80.2%
2024	78.4%	79.0%	77.7%	74.7%	M	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M

Monthly Plots

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May 2025

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