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	0.21	1.07	1.93	5.11	1.28	3.68	1.00	0.41	0.92	0.50
2008	0.38	0.29	0.37	1.52	1.02	4.68	1.78	2.08	0.68	0.04	0.41	0.60
2009	0.63	0.29	0.93	0.64	0.33	2.47	1.00	1.47	0.29	1.03	0.06	0.57
2010	0.18	0.12	0.33	2.86	3.87	4.46	8.94	2.66	1.83	0.83	0.52	0.73
2011	0.93	0.59	0.36	0.29	0.07	5.02	2.63	1.36	0.12	0.28	0.54	0.33
2012	0.22	0.42	1.43	1.78	3.61	5.39	5.04	2.70	0.81	1.09	0.65	0.76
2013	0.66	0.45	0.57	0.91	0.40	3.04	2.20	2.73	0.04	0.49	0.84	0.97
2014	0.15	0.52	0.26	1.48	1.24	4.58	3.04	1.63	0.89	0.59	1.60	0.14
2015	0.53	0.78	0.90	0.27	0.22	1.43	3.61	1.96	2.53	0.72	0.69	0.20
2016	0.81	0.45	1.18	0.98	2.60	2.02	5.25	1.24	0.56	1.84	0.44	0.39
2017	0.39	0.47	0.99	2.43	2.65	1.92	1.96	1.76	0.40	1.34	0.64	0.26
2018	0.88	0.31	0.75	0.42	0.77	1.92	3.12	1.05	2.69	0.93	0.67	0.88
2019	0.69	1.48	0.22	0.61	0.70	3.11	4.74	1.26	1.95	0.74	0.59	0.37
2020	0.90	0.85	1.02	0.39	1.93	3.87	2.85	4.73	0.47	0.48	0.79	0.08
2021	0.37	0.26	0.40	0.22	2.48	2.56	0.31	1.75	0.59	0.15	0.54	1.04
2022	1.04	0.59	0.51	0.56	1.66	4.56	1.93	1.59	0.15	0.04	1.00	0.97
2023	0.34	0.22	0.14	0.62	0.45	2.16	2.18	2.97	0.72	0.17	0.06	0.19
2024	0.39	0.75	0.46	1.78	3.56	1.60	1.55	3.27	3.16	0.26	1.18	1.04
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	5.8	7.1	7.4	8.3	8.7
2005	7.3	6.7	8.7	10.9	9.5	7.3	6.5	7.3	6.3	8.1	8.0	6.5
2006	5.8	8.9	9.3	8.3	8.9	7.6	6.5	6.2	7.6	7.1	8.5	8.0
2007	9.0	5.8	8.9	9.3	9.3	7.8	6.1	7.1	6.8	8.3	9.3	5.9
2008	7.0	7.1	7.2	9.3	9.4	6.7	6.5	6.9	6.2	9.0	7.9	7.8
2009	8.4	5.9	7.7	7.3	8.8	7.0	6.4	5.9	7.9	7.2	7.5	6.2
2010	6.0	5.8	7.7	11.2	8.4	7.0	5.6	5.7	6.5	7.1	6.1	6.7
2011	7.4	7.9	8.1	7.3	9.2	7.1	6.8	5.4	6.3	7.2	7.5	8.4
2012	8.2	6.3	8.1	9.4	9.1	7.5	6.1	5.7	6.7	8.3	7.2	6.1
2013	7.3	7.6	7.2	8.6	8.2	7.3	5.8	5.1	5.9	6.6	7.0	7.2
2014	9.4	6.5	6.9	8.6	8.0	6.5	5.7	4.6	5.9	7.8	7.5	5.6
2015	7.1	7.5	7.7	9.2	7.5	6.1	5.9	5.1	5.7	7.1	6.8	5.8
2016	5.6	7.4	7.4	9.3	7.1	6.8	5.1	5.6	6.3	7.2	6.5	7.2
2017	6.0	6.2	7.9	7.7	8.0	7.1	5.7	5.3	5.1	8.3	6.9	7.0
2018	6.4	7.2	7.0	7.4	7.5	7.0	5.9	5.7	6.4	6.2	6.2	6.4
2019	7.4	5.6	6.2	8.7	6.8	5.9	4.8	5.5	5.7	7.2	6.3	5.1
2020	6.3	6.6	7.4	7.9	8.2	7.4	6.3	6.4	6.5	7.3	6.6	5.7
2021	6.9	7.0	7.1	7.1	8.2	6.5	6.0	6.3	6.0	7.6	6.7	6.4
2022	7.3	7.4	8.5	10.2	8.5	7.3	5.5	5.1	6.0	6.4	7.2	6.2
2023	5.1	6.2	6.0	7.9	8.0	6.2	5.3	5.3	5.2	7.5	6.8	5.2
2024	4.9	6.2	7.6	8.0	7.5	7.4	5.4	6.0	5.5	6.3	5.6	6.7
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

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	56.42	42.10	26.95	36.76	21.82
2005	12.93	26.78	34.65	53.83	62.09	66.18	73.38	68.27	60.57	51.23	36.25	25.86
2006	26.27	23.00	27.05	57.55	61.99	71.26	78.96	73.62	64.03	43.54	19.83	24.72
2007	24.18	12.36	33.81	48.81	62.44	67.88	80.61	68.41	61.18	53.55	29.97	14.09
2008	14.29	18.75	32.95	42.17	63.71	70.34	73.06	73.26	64.35	54.77	37.31	11.74
2009	14.77	17.92	24.02	47.79	61.68	68.92	73.18	73.27	73.27	41.39	42.53	7.09
2010	17.15	20.66	42.68	52.11	58.48	69.62	72.49	69.12	58.28	53.47	29.03	12.27
2011	16.48	16.80	21.18	46.41	65.43	68.20	71.57	73.06	72.57	53.41	31.59	32.14
2012	32.05	28.17	38.93	49.70	61.89	70.36	75.66	74.19	69.52	41.44	22.26	9.49
2013	17.58	26.66	26.10	39.18	69.17	67.22	71.76	73.57	70.51	49.68	23.77	10.81
2014	21.48	8.38	26.07	46.17	58.47	65.80	74.54	73.19	64.38	54.20	22.32	21.05
2015	21.69	17.79	37.36	53.41	63.72	72.34	74.72	73.43	60.66	54.60	34.23	21.57
2016	20.32	30.58	36.67	54.28	65.17	72.33	72.45	72.09	63.56	40.09	40.30	14.58
2017	20.79	24.09	28.66	44.39	65.63	69.27	75.36	72.70	64.92	48.85	22.42	20.53
2018	18.56	12.86	27.65	42.13	69.90	72.47	75.15	72.36	49.75	46.25	28.16	23.08
2019	23.30	0.37	31.40	51.05	62.69	68.71	71.87	68.32	61.44	43.97	30.89	21.26
2020	13.43	23.89	25.91	41.94	62.55	67.24	73.50	72.35	63.78	41.98	29.75	26.84
2021	21.70	8.80	41.63	52.69	61.41	76.14	78.30	75.18	67.58	52.71	35.60	8.69
2022	19.76	19.13	31.54	44.63	61.74	69.88	75.14	78.18	71.13	58.25	22.69	6.69
2023	20.51	20.02	24.15	48.04	73.47	74.78	74.11	73.35	67.12	50.54	38.49	31.97
2024	11.33	26.67	26.82	53.47	58.33	66.23	80.60	75.40	70.99	51.88	27.01	25.43
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	27.46	3.49	-3.87	11.93	1.93
2005	-4.87	5.10	16.76	32.19	37.09	48.01	49.78	44.83	38.62	28.61	21.55	10.52
2006	13.56	4.49	11.37	31.39	41.81	49.26	52.62	47.58	41.22	26.95	3.43	5.15
2007	4.01	-8.09	15.19	29.10	39.80	48.19	54.39	46.44	37.17	29.56	12.59	-3.00
2008	-4.82	-2.60	13.23	23.31	39.06	47.27	50.10	48.80	37.77	28.53	22.05	-7.54
2009	-5.15	-3.58	0.26	25.54	33.81	44.15	47.99	46.90	42.73	26.90	20.40	-10.29
2010	1.33	1.25	22.34	29.96	36.68	47.25	50.28	48.83	37.41	30.61	9.74	-1.22
2011	-2.34	-3.79	4.45	26.17	38.55	48.42	52.00	47.28	39.65	30.48	12.05	12.44
2012	11.86	5.59	19.03	27.69	38.05	48.24	53.98	50.21	40.87	24.45	8.20	-5.75
2013	-0.64	8.95	5.93	21.52	39.97	49.13	48.82	49.50	41.28	27.31	6.81	-10.07
2014	2.06	-8.60	6.86	26.39	36.02	48.08	52.85	49.66	38.54	32.17	9.83	6.97
2015	2.74	-2.30	19.72	28.99	34.26	47.71	52.04	48.59	38.95	30.98	18.05	5.17
2016	2.65	14.32	23.78	31.48	40.88	49.08	51.97	47.89	38.31	30.09	25.45	-1.07
2017	3.05	7.19	12.41	29.09	41.18	48.22	51.13	47.95	40.18	28.51	7.86	5.48
2018	-0.46	-6.75	9.07	19.76	43.31	48.38	50.37	48.43	34.89	26.43	14.71	6.28
2019	2.54	-19.65	11.57	29.47	37.38	47.92	51.29	47.06	41.37	24.61	16.75	4.69
2020	-2.90	1.80	5.98	18.73	39.46	48.45	53.57	49.53	40.25	25.37	13.41	10.85
2021	5.68	-8.47	19.50	24.55	36.86	52.98	54.51	51.05	40.75	26.53	15.49	-6.92
2022	-0.01	1.46	16.82	26.08	38.97	48.86	52.11	51.63	41.15	31.36	8.47	-8.27
2023	5.63	1.41	3.70	27.20	46.42	51.58	51.94	49.63	40.09	28.61	19.10	16.57
2024	-4.04	8.08	8.99	30.44	40.26	45.43	55.07	50.26	44.28	30.43	14.29	10.58
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	41.94	22.79	11.54	24.34	11.88
2005	4.03	15.94	25.70	43.01	49.59	57.09	61.58	56.55	49.60	39.92	28.90	18.19
2006	19.92	13.74	19.21	44.47	51.90	60.26	65.79	60.60	52.63	35.25	11.63	14.93
2007	14.10	2.13	24.50	38.95	51.12	58.03	67.50	57.43	49.18	41.55	21.28	5.55
2008	4.73	8.07	23.09	32.74	51.39	58.81	61.58	61.03	51.06	41.65	29.68	2.10
2009	4.81	7.17	12.14	36.67	47.74	56.54	60.59	60.08	58.00	34.15	31.47	-1.60
2010	9.24	10.96	32.51	41.03	47.58	58.43	61.38	58.97	47.85	42.04	19.39	5.53
2011	7.07	6.51	12.81	36.29	51.99	58.31	61.79	60.17	56.11	41.95	21.82	22.29
2012	21.96	16.88	28.98	38.69	49.97	59.30	64.82	62.20	55.19	32.95	15.23	1.87
2013	8.47	17.81	16.01	30.35	54.57	58.18	60.29	61.54	55.89	38.49	15.29	0.37
2014	11.77	-0.11	16.46	36.28	47.25	56.94	63.69	61.42	51.46	43.19	16.07	14.01
2015	12.21	7.75	28.54	41.20	48.99	60.03	63.38	61.01	49.81	42.79	26.14	13.37
2016	11.49	22.45	30.23	42.88	53.03	60.70	62.21	59.99	50.93	35.09	32.87	6.75
2017	11.92	15.64	20.54	36.74	53.41	58.75	63.25	60.33	52.55	38.68	15.14	13.00
2018	9.05	3.06	18.36	30.94	56.60	60.43	62.76	60.40	42.32	36.34	21.43	14.68
2019	12.92	-9.64	21.48	40.26	50.04	58.32	61.58	57.69	51.40	34.29	23.82	12.97
2020	5.27	12.84	15.95	30.33	51.00	57.85	63.53	60.94	52.01	33.68	21.58	18.85
2021	13.69	0.16	30.56	38.62	49.14	64.56	66.40	63.11	54.17	39.62	25.55	0.89
2022	9.88	10.30	24.18	35.36	50.35	59.37	63.62	64.90	56.14	44.80	15.58	-0.79
2023	13.07	10.72	13.92	37.62	59.95	63.18	63.02	61.49	53.61	39.58	28.79	24.27
2024	3.65	17.37	17.90	41.95	49.30	55.83	67.83	62.83	57.63	41.16	20.65	18.00
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	86.2%	83.9%	81.8%	76.3%	78.6%
2005	79.2%	75.5%	78.2%	60.7%	58.9%	75.6%	74.0%	75.1%	74.0%	73.4%	79.6%	83.7%
2006	90.5%	77.4%	82.8%	60.4%	70.2%	69.2%	69.2%	69.4%	72.3%	75.0%	81.7%	78.5%
2007	75.8%	78.3%	76.9%	64.8%	64.4%	70.8%	67.6%	72.8%	70.5%	68.9%	75.8%	82.0%
2008	80.3%	77.2%	77.8%	70.8%	55.7%	67.1%	70.7%	70.8%	67.8%	58.4%	79.9%	76.7%
2009	71.8%	77.8%	74.0%	64.7%	49.8%	56.4%	66.7%	67.8%	58.9%	79.0%	68.7%	75.8%
2010	81.6%	83.3%	72.9%	62.8%	62.9%	64.5%	74.9%	76.7%	76.1%	72.3%	79.7%	83.9%
2011	80.7%	77.1%	81.2%	69.4%	52.2%	71.2%	75.4%	72.7%	60.2%	68.6%	77.1%	76.7%
2012	73.0%	77.3%	76.9%	64.6%	57.0%	68.3%	76.0%	73.7%	63.9%	77.8%	86.4%	84.3%
2013	81.1%	83.6%	79.1%	73.6%	52.8%	73.4%	74.1%	76.1%	65.0%	73.2%	84.9%	80.3%
2014	79.1%	77.2%	72.4%	71.7%	62.8%	74.1%	75.5%	75.9%	70.5%	70.6%	83.8%	88.1%
2015	81.5%	81.3%	78.0%	57.7%	51.6%	60.7%	70.6%	72.0%	74.8%	74.1%	80.9%	85.7%
2016	83.5%	81.8%	83.8%	62.7%	61.8%	66.0%	78.9%	75.4%	71.1%	86.4%	83.8%	75.6%
2017	79.6%	77.8%	80.5%	78.4%	57.5%	67.6%	71.9%	71.6%	67.2%	71.5%	84.5%	74.9%
2018	81.0%	73.5%	80.0%	66.6%	51.1%	62.7%	70.2%	70.0%	78.1%	72.8%	87.4%	82.6%
2019	81.4%	72.0%	73.8%	59.5%	50.4%	71.0%	80.5%	78.5%	79.9%	77.4%	85.5%	85.5%
2020	81.1%	79.7%	78.9%	68.0%	61.5%	74.7%	81.0%	75.8%	74.0%	75.5%	88.7%	85.6%
2021	84.4%	75.3%	75.1%	53.5%	57.6%	63.8%	65.0%	64.8%	64.7%	66.3%	83.1%	79.4%
2022	82.9%	80.3%	80.9%	66.4%	59.9%	67.3%	78.3%	74.6%	64.8%	64.0%	88.3%	87.8%
2023	95.1%	83.7%	86.3%	72.4%	54.7%	66.1%	72.3%	74.2%	67.0%	68.6%	75.6%	79.4%
2024	78.9%	77.8%	70.0%	55.0%	69.8%	64.7%	70.3%	69.5%	69.2%	73.3%	83.0%	82.0%
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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