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
2006	M	M	M	M	M	M	M	M	M	M	M	0.00
2007	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2008	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2009	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2010	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2011	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2012	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2013	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	0.00	M	M	M	M	M
2017	M	M	M	M	M	M	0.00	M	M	M	M	M
2018	M	M	M	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
2006	M	M	M	M	M	M	6.9	7.2	7.6	8.8	7.0	7.7
2007	6.9	7.3	7.6	6.5	8.1	7.6	6.6	8.0	7.1	7.6	6.3	6.1
2008	7.3	7.1	7.0	7.8	7.6	6.4	6.1	7.3	6.8	7.6	7.0	6.3
2009	7.3	5.5	7.7	6.9	8.7	7.4	7.4	6.6	7.5	5.5	6.1	5.8
2010	6.2	4.4	6.4	7.3	8.4	6.4	5.7	6.6	7.3	7.6	6.7	5.8
2011	4.9	8.5	5.5	6.2	8.1	6.7	6.9	6.9	7.2	7.0	6.4	7.4
2012	6.6	6.7	8.2	6.2	8.6	7.2	5.9	3.7	6.5	6.8	6.1	6.6
2013	6.9	6.2	6.2	8.4	7.3	6.9	8.5	7.3	8.5	6.9	7.5	7.0
2014	8.3	7.7	7.6	7.5	7.1	8.2	8.1	6.2	7.5	8.6	8.0	7.5
2015	8.1	8.2	8.1	8.3	7.8	7.3	6.7	6.2	7.7	6.9	7.2	7.0
2016	6.5	6.8	8.0	7.8	8.3	7.9	7.8	7.0	7.4	7.1	8.1	7.1
2017	7.0	6.6	8.5	8.1	7.2	6.9	7.8	5.6	9.5	9.7	8.5	7.2
2018	6.9	8.9	7.2	7.9	3.0	0.0	M	7.9	7.5	6.4	6.3	6.8
2019	7.0	6.4	8.1	7.6	7.5	6.5	7.2	8.2	6.0	11.1	6.3	6.2
2020	6.5	7.3	7.7	7.6	8.3	7.1	5.7	0.7	0.5	7.8	7.3	6.9
2021	6.6	6.8	8.4	8.6	8.6	8.3	7.0	7.3	6.8	6.5	7.9	6.5
2022	7.5	7.4	6.6	8.7	8.6	8.0	7.0	7.3	8.6	8.6	7.5	7.4
2023	6.5	7.2	6.2	8.7	7.9	6.7	7.5	6.2	6.2	5.4	8.6	8.3
2024	7.1	6.7	7.7	6.5	8.3	8.0	7.0	7.2	7.2	7.5	8.0	7.2
2025	7.7	6.9	6.0	7.2	8.9	6.9	6.5	M	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	M	M	39.20	50.90	63.50	62.34	61.70	55.40	M	5.60	12.65
2007	6.10	4.29	26.45	40.33	58.58	64.37	74.83	67.25	54.77	44.05	20.38	4.88
2008	7.72	4.08	21.03	39.57	47.66	65.41	70.63	74.79	56.38	44.89	24.93	-5.90
2009	-0.97	9.68	21.81	41.27	49.32	64.57	65.61	65.19	67.17	39.42	34.97	3.55
2010	9.94	19.29	38.39	49.83	58.16	67.11	73.97	71.00	52.60	46.94	27.70	10.39
2011	1.17	9.11	21.26	42.91	57.11	72.10	74.81	70.95	62.84	47.21	31.91	13.94
2012	6.86	17.41	35.08	38.60	54.01	72.09	77.75	68.77	59.72	38.39	20.84	6.68
2013	1.63	9.50	22.07	35.12	55.92	70.58	74.30	63.98	63.68	38.98	21.14	-6.85
2014	-3.07	2.36	15.80	36.08	54.59	68.48	71.37	67.01	57.80	43.32	14.18	11.74
2015	2.10	-2.33	24.74	40.52	54.82	69.08	73.92	69.30	62.66	45.35	26.96	17.48
2016	7.26	9.72	27.15	35.09	60.17	67.49	73.90	67.55	60.09	42.16	36.14	5.52
2017	10.52	13.68	24.68	39.86	54.70	66.63	74.45	70.85	63.95	44.34	18.20	1.98
2018	2.50	5.00	25.32	35.24	58.04	64.89	M	69.24	51.92	36.01	16.16	11.74
2019	-0.69	5.00	25.15	39.56	51.74	66.14	75.55	68.23	57.63	37.12	19.46	8.14
2020	9.70	12.32	24.74	36.68	53.08	62.60	75.27	69.51	55.88	34.85	22.52	12.43
2021	14.87	7.85	29.15	40.34	53.19	68.18	75.72	68.23	62.18	51.56	27.50	5.81
2022	-6.83	2.04	23.48	37.40	53.83	65.36	72.65	70.67	61.88	46.40	24.56	5.87
2023	10.46	8.86	21.20	37.52	63.53	74.06	68.70	70.03	66.68	44.48	24.86	24.74
2024	9.76	15.30	22.30	44.36	54.88	66.02	75.49	73.57	69.32	45.76	33.16	14.70
2025	3.61	6.93	19.92	40.76	60.68	66.32	74.37	M	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	M	M	38.60	50.90	63.50	62.34	61.70	54.50	M	5.60	9.50
2007	-14.32	-17.54	-1.45	14.38	37.55	46.31	54.48	50.01	39.54	32.34	7.89	-13.03
2008	-10.03	-18.27	-6.66	14.14	29.80	45.71	51.97	54.23	39.15	31.47	14.06	-21.42
2009	-17.48	-14.79	-5.65	20.00	27.10	46.57	50.10	48.90	48.33	29.04	20.67	-12.84
2010	-9.65	-11.39	15.03	29.17	39.48	46.43	55.84	51.87	39.57	32.00	14.73	-3.77
2011	-18.52	-12.57	-11.01	17.50	35.57	49.02	56.22	51.20	44.66	34.61	21.38	-5.34
2012	-12.42	-3.26	14.06	31.40	34.50	52.45	56.04	51.61	41.42	30.08	7.34	-8.18
2013	-20.43	-16.34	-0.34	8.60	31.94	47.96	54.20	49.89	43.40	28.83	7.58	-23.22
2014	-20.55	-17.95	-12.42	11.72	34.50	48.38	51.45	49.37	40.58	32.93	-0.40	-3.19
2015	-19.27	-24.44	-1.62	16.82	32.35	47.42	53.72	50.74	44.42	29.85	17.00	6.22
2016	-9.17	-15.48	4.69	13.81	40.22	47.75	54.41	51.80	44.21	34.15	24.38	-8.82
2017	-2.72	-6.83	-0.23	18.86	34.96	48.39	51.97	48.84	50.00	31.23	2.60	-15.09
2018	-15.32	-19.43	-0.05	6.74	34.82	44.60	M	50.74	36.86	25.73	3.32	-2.55
2019	-22.52	-19.04	2.21	16.16	31.30	46.34	53.95	52.03	40.94	29.09	6.92	-7.14
2020	-8.41	-12.38	-0.28	15.50	32.06	45.25	58.35	53.54	40.22	24.39	8.84	-3.88
2021	-0.11	-20.20	5.58	21.08	32.70	48.86	52.67	49.77	46.64	38.84	15.68	-13.29
2022	-24.06	-25.60	-0.76	18.56	36.35	46.04	53.54	51.92	42.80	30.90	12.02	-6.61
2023	-3.88	-17.69	-4.99	17.90	39.03	53.24	50.75	51.28	47.72	31.19	11.30	9.76
2024	-6.90	-4.06	-1.68	21.20	36.76	47.66	55.63	53.19	48.56	30.66	24.86	3.26
2025	-13.17	-13.32	-4.64	18.38	37.10	46.52	52.49	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
2006	M	M	M	38.90	50.90	63.50	62.34	61.70	54.95	M	5.60	11.07
2007	-4.11	-6.62	12.50	27.36	48.07	55.34	64.65	58.63	47.16	38.19	14.13	-4.07
2008	-1.15	-7.10	7.18	26.85	38.73	55.56	61.30	64.51	47.77	38.18	19.49	-13.66
2009	-9.23	-2.55	8.08	30.63	38.21	55.57	57.85	57.05	57.75	34.23	27.82	-4.65
2010	0.15	3.95	26.71	39.50	48.82	56.77	64.90	61.44	46.08	39.47	21.22	3.31
2011	-8.67	-1.73	5.12	30.20	46.34	60.56	65.51	61.08	53.75	40.91	26.65	4.30
2012	-2.78	7.08	24.57	35.00	44.25	62.27	66.90	60.19	50.57	34.24	14.09	-0.75
2013	-9.40	-3.42	10.86	21.86	43.93	59.27	64.25	56.94	53.54	33.91	14.36	-15.03
2014	-11.81	-7.79	1.69	23.90	44.54	58.43	61.41	58.19	49.19	38.13	6.89	4.27
2015	-8.59	-13.39	11.56	28.67	43.58	58.25	63.82	60.02	53.54	37.60	21.98	11.85
2016	-0.95	-2.88	15.92	24.45	50.20	57.62	64.15	59.68	52.15	38.15	30.26	-1.65
2017	3.90	3.43	12.23	29.36	44.83	57.51	63.21	59.84	56.98	37.79	10.40	-6.55
2018	-6.41	-7.21	12.64	20.99	46.43	54.75	M	59.99	44.39	30.87	9.74	4.59
2019	-11.61	-7.02	13.68	27.86	41.52	56.24	64.75	60.13	49.29	33.11	13.19	0.50
2020	0.65	-0.03	12.23	26.09	42.57	53.92	66.81	61.53	48.05	29.62	15.68	4.27
2021	7.38	-6.17	17.37	30.71	42.95	58.52	64.20	59.00	54.41	45.20	21.59	-3.74
2022	-15.44	-11.78	11.36	27.98	45.09	55.70	63.09	61.29	52.34	38.65	18.29	-0.37
2023	3.29	-4.42	8.11	27.71	51.28	63.65	59.73	60.65	57.20	37.84	18.08	17.25
2024	1.43	5.62	10.31	32.78	45.82	56.84	65.56	63.38	58.94	38.21	29.01	8.98
2025	-4.78	-3.20	7.64	29.57	48.89	56.42	63.43	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
2006	M	M	M	M	M	M	76.1%	69.9%	76.1%	83.6%	84.3%	82.0%
2007	76.1%	58.6%	64.4%	60.7%	66.2%	76.2%	70.1%	77.7%	85.8%	84.4%	84.3%	74.7%
2008	75.2%	66.0%	62.4%	57.1%	67.4%	70.1%	76.1%	70.2%	83.2%	83.3%	86.2%	68.8%
2009	69.2%	68.8%	62.7%	63.3%	64.3%	71.9%	76.5%	81.7%	75.3%	84.8%	81.3%	72.8%
2010	73.2%	65.3%	71.4%	63.0%	60.3%	69.8%	77.6%	78.0%	82.8%	77.1%	80.2%	79.4%
2011	71.0%	66.4%	60.2%	61.3%	65.6%	55.3%	71.4%	74.9%	69.7%	85.7%	85.2%	78.2%
2012	75.9%	71.9%	69.9%	90.3%	68.3%	61.5%	64.7%	74.3%	74.8%	88.8%	86.5%	84.2%
2013	78.3%	75.8%	71.1%	65.1%	60.3%	58.3%	63.2%	82.5%	75.5%	86.1%	87.1%	76.7%
2014	76.6%	75.6%	67.4%	58.8%	70.5%	62.9%	67.9%	77.9%	78.1%	84.9%	81.8%	84.7%
2015	77.0%	69.3%	67.1%	64.4%	62.8%	65.1%	71.6%	80.8%	79.2%	79.9%	92.4%	89.1%
2016	83.3%	75.0%	67.0%	58.4%	61.6%	64.6%	68.0%	77.7%	83.0%	88.8%	87.4%	84.8%
2017	85.4%	79.5%	70.4%	65.2%	64.4%	67.7%	63.7%	70.4%	77.9%	82.4%	86.2%	81.2%
2018	80.4%	72.6%	65.4%	57.2%	64.4%	66.2%	M	73.8%	80.5%	86.9%	89.0%	87.6%
2019	77.0%	75.5%	71.0%	63.9%	66.2%	65.8%	66.9%	75.9%	81.3%	84.6%	85.7%	83.8%
2020	83.2%	74.3%	68.5%	63.8%	60.9%	75.4%	73.5%	77.4%	80.3%	83.8%	88.6%	85.8%
2021	85.7%	72.6%	66.6%	65.6%	68.8%	70.3%	65.4%	78.9%	76.1%	88.5%	87.6%	80.9%
2022	75.1%	72.0%	68.7%	64.3%	74.0%	72.9%	73.6%	77.9%	75.9%	82.6%	87.3%	83.7%
2023	86.9%	74.7%	69.7%	62.8%	61.4%	67.4%	76.6%	77.2%	77.4%	86.1%	82.8%	87.7%
2024	82.4%	79.7%	71.4%	62.2%	74.0%	69.6%	68.7%	67.6%	74.1%	78.0%	89.0%	86.8%
2025	78.4%	73.2%	67.5%	65.0%	57.3%	64.9%	67.2%	M	M	M	M	M

Monthly Plots

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