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	0.00	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	M	M	M	8.2	10.5	9.1
2007	8.5	8.8	10.2	10.1	10.2	11.4	8.7	9.8	10.8	10.3	9.6	8.3
2008	9.4	10.0	10.1	10.5	9.4	9.3	8.9	9.3	9.6	9.8	10.7	10.3
2009	8.1	6.9	9.9	9.9	11.7	8.2	10.7	9.0	9.8	9.2	8.4	9.1
2010	8.4	7.4	9.0	10.1	10.6	9.1	7.5	9.8	11.4	11.8	10.0	9.3
2011	6.1	11.0	7.7	8.4	11.0	10.5	9.3	8.3	10.0	9.6	9.8	11.3
2012	8.9	8.2	10.1	9.4	9.5	10.3	8.9	9.7	10.1	9.5	10.3	9.7
2013	9.0	8.4	8.4	10.1	10.0	10.1	9.4	9.3	11.0	10.2	10.2	10.2
2014	11.2	10.1	8.7	9.1	9.1	10.4	9.6	9.9	9.2	10.1	10.3	9.3
2015	9.2	9.6	10.1	11.3	10.6	9.4	9.6	9.7	10.1	10.6	9.8	9.6
2016	8.8	8.6	8.1	9.3	10.4	11.2	8.9	9.1	9.1	10.2	9.9	8.8
2017	9.3	9.0	11.9	9.6	9.6	10.6	9.7	8.5	9.4	11.6	11.1	9.8
2018	8.5	10.4	8.9	9.4	11.0	11.0	9.2	11.2	9.7	7.6	9.4	8.8
2019	9.6	8.6	10.6	9.3	10.1	9.2	9.5	7.6	8.3	10.1	9.2	8.1
2020	7.8	8.8	9.6	9.8	11.6	10.3	9.3	7.9	10.7	9.7	9.3	9.5
2021	8.0	9.4	9.7	10.5	10.3	9.6	9.3	9.6	9.2	9.5	9.7	10.3
2022	11.2	9.7	9.0	10.0	11.0	10.2	7.9	9.5	10.3	9.9	10.0	11.2
2023	8.5	9.0	7.5	9.3	9.5	9.3	8.4	8.3	8.6	8.5	11.8	10.5
2024	9.6	8.8	9.4	9.9	10.8	9.9	8.1	9.7	9.1	10.8	9.9	9.9
2025	10.7	9.1	8.5	10.1	10.7	9.4	8.5	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	M	M	M	M	M	39.20	M	3.20	11.40
2007	0.23	-2.74	10.94	27.96	47.08	54.68	68.39	63.54	50.43	42.04	19.48	-0.06
2008	3.01	-1.03	9.14	28.66	39.66	49.97	59.96	70.25	52.50	42.05	26.67	-6.23
2009	-4.84	2.11	10.03	30.37	34.64	51.93	55.31	62.75	56.45	37.16	33.11	5.26
2010	4.81	8.96	26.90	35.87	41.68	55.63	65.70	63.52	50.30	42.13	28.33	14.71
2011	-1.81	2.43	12.13	29.18	40.43	61.77	67.68	64.50	59.66	46.57	25.46	6.34
2012	-1.45	8.97	19.46	33.26	41.46	56.90	65.50	62.25	57.32	37.23	22.22	6.68
2013	-7.34	-0.01	10.92	23.18	42.92	56.54	68.75	60.86	57.20	40.94	21.92	-6.50
2014	-4.35	0.56	7.44	23.72	38.79	64.04	63.41	66.08	51.44	43.09	15.50	10.57
2015	-5.57	-7.21	11.74	26.24	43.26	60.08	64.57	58.59	55.58	41.06	26.66	17.25
2016	3.03	-0.96	18.22	20.06	46.04	53.96	61.50	64.46	56.84	37.92	32.66	5.64
2017	7.03	4.61	18.70	25.28	42.51	53.84	69.74	64.23	57.14	42.63	18.44	-0.92
2018	-4.52	-2.65	15.63	26.84	43.61	56.54	65.85	69.80	43.33	34.15	18.92	9.18
2019	-6.67	-1.49	15.63	28.16	40.59	51.80	65.15	60.60	55.95	42.57	20.72	4.65
2020	5.06	2.83	13.71	23.54	41.23	52.16	67.94	63.60	53.08	35.60	22.40	9.76
2021	9.24	3.39	18.65	32.90	42.45	52.76	68.93	64.75	57.86	48.43	27.50	1.63
2022	-5.44	-3.10	14.70	28.04	45.61	57.32	63.06	68.06	61.28	45.12	25.22	7.67
2023	5.52	-2.07	8.54	25.16	51.97	66.50	64.57	67.94	67.16	42.74	25.82	23.58
2024	6.51	5.93	11.27	30.44	41.58	60.32	67.94	69.10	66.74	42.22	33.80	16.21
2025	1.63	2.43	11.10	29.24	46.75	59.78	68.90	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	M	M	M	M	M	39.20	M	3.20	7.80
2007	-16.97	-20.50	-9.13	13.27	29.05	36.60	48.41	46.89	38.16	31.85	5.62	-13.64
2008	-13.77	-20.45	-13.98	10.53	27.75	34.66	42.37	49.92	38.03	31.39	18.07	-19.00
2009	-18.39	-19.57	-13.23	13.40	20.96	36.04	41.50	44.58	41.90	29.94	21.36	-8.39
2010	-13.90	-9.39	8.35	23.27	28.74	35.03	46.40	48.00	39.57	32.48	15.70	2.10
2011	-18.74	-15.30	-12.77	7.12	26.32	38.99	46.13	48.77	42.32	34.96	13.46	-10.91
2012	-18.98	-8.22	-0.92	13.82	28.11	38.72	46.11	45.70	41.18	28.81	8.90	-5.63
2013	-23.48	-19.43	-7.14	5.30	25.38	34.22	43.44	45.01	39.38	30.55	5.18	-19.85
2014	-17.53	-16.86	-18.23	-1.48	26.48	40.76	42.45	44.60	35.72	32.75	-0.58	-2.43
2015	-22.35	-24.64	-7.77	12.26	26.54	38.00	43.67	43.15	40.40	27.94	14.60	5.46
2016	-12.94	-21.69	-4.81	3.44	29.62	35.54	43.50	48.55	41.66	30.66	23.78	-7.25
2017	-6.90	-13.71	-5.28	8.00	26.72	35.48	44.14	45.76	41.42	29.91	2.18	-15.61
2018	-20.37	-23.93	-3.88	4.64	23.99	35.12	44.25	43.70	31.05	24.16	6.98	-6.85
2019	-24.09	-18.66	-4.58	10.28	26.25	34.76	43.50	45.40	39.55	31.13	7.46	-8.18
2020	-9.46	-17.03	-8.82	4.76	25.85	35.30	47.50	46.67	39.50	24.80	10.04	-5.05
2021	-3.25	-17.11	-1.21	17.48	27.24	34.76	44.31	46.23	43.58	37.11	15.74	-13.29
2022	-20.38	-22.64	-5.74	10.46	29.91	37.70	43.79	48.20	43.28	31.94	10.70	-5.39
2023	-11.90	-23.61	-10.56	12.62	31.59	40.88	45.06	48.55	44.84	33.05	12.26	10.05
2024	-10.56	-12.75	-9.05	12.74	31.19	39.68	46.98	47.85	45.32	31.29	26.30	4.65
2025	-13.99	-15.96	-9.34	10.22	26.66	38.00	46.26	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	M	M	M	M	M	39.20	M	3.20	9.60
2007	-8.37	-11.62	0.90	20.61	38.06	45.64	58.40	55.21	44.29	36.95	12.55	-6.85
2008	-5.38	-10.74	-2.42	19.60	33.71	42.32	51.16	60.08	45.27	36.72	22.37	-12.61
2009	-11.61	-8.73	-1.60	21.88	27.80	43.98	48.40	53.67	49.17	33.55	27.23	-1.56
2010	-4.55	-0.21	17.63	29.57	35.21	45.33	56.05	55.76	44.93	37.31	22.02	8.40
2011	-10.27	-6.44	-0.32	18.15	33.37	50.38	56.90	56.64	50.99	40.77	19.46	-2.29
2012	-10.21	0.38	9.27	23.54	34.79	47.81	55.81	53.98	49.25	33.02	15.56	0.53
2013	-15.41	-9.72	1.89	14.24	34.15	45.38	56.10	52.93	48.29	35.75	13.55	-13.17
2014	-10.94	-8.15	-5.39	11.12	32.64	52.40	52.93	55.34	43.58	37.92	7.46	4.07
2015	-13.96	-15.92	1.98	19.25	34.90	49.04	54.12	50.87	47.99	34.50	20.63	11.36
2016	-4.96	-11.32	6.71	11.75	37.83	44.75	52.50	56.50	49.25	34.29	28.22	-0.81
2017	0.06	-4.55	6.71	16.64	34.61	44.66	56.94	54.99	49.28	36.27	10.31	-8.27
2018	-12.45	-13.29	5.87	15.74	33.80	45.83	55.05	56.75	37.19	29.15	12.95	1.17
2019	-15.38	-10.08	5.52	19.22	33.42	43.28	54.33	53.00	47.75	36.85	14.09	-1.76
2020	-2.20	-7.10	2.45	14.15	33.54	43.73	57.72	55.13	46.29	30.20	16.22	2.36
2021	3.00	-6.86	8.72	25.19	34.85	43.76	56.62	55.49	50.72	42.77	21.62	-5.83
2022	-12.91	-12.87	4.48	19.25	37.76	47.51	53.43	58.13	52.28	38.53	17.96	1.14
2023	-3.19	-12.84	-1.01	18.89	41.78	53.69	54.82	58.25	56.00	37.89	19.04	16.82
2024	-2.03	-3.41	1.11	21.59	36.38	50.00	57.46	58.48	56.03	36.76	30.05	10.43
2025	-6.18	-6.76	0.88	19.73	36.70	48.89	57.58	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	M	M	M	97.3%	86.4%	81.0%
2007	72.2%	64.6%	67.4%	72.2%	80.2%	80.9%	74.1%	81.6%	84.0%	M	M	70.2%
2008	72.2%	65.6%	67.3%	74.2%	86.1%	87.6%	85.9%	77.8%	81.8%	88.4%	94.9%	70.6%
2009	69.0%	70.8%	75.8%	79.8%	74.8%	87.4%	86.0%	84.6%	83.7%	87.2%	85.5%	77.2%
2010	74.8%	70.0%	72.3%	80.8%	80.7%	77.0%	85.0%	84.6%	86.2%	81.8%	80.6%	84.2%
2011	73.6%	63.5%	63.1%	72.1%	78.0%	71.1%	75.7%	84.0%	75.6%	82.5%	80.3%	70.4%
2012	69.1%	70.2%	71.1%	71.6%	81.2%	82.5%	81.9%	85.3%	83.3%	87.6%	80.9%	76.8%
2013	67.2%	67.3%	74.6%	75.3%	75.4%	70.1%	72.5%	82.2%	79.6%	82.4%	83.6%	73.1%
2014	75.7%	75.0%	68.2%	69.9%	83.0%	67.8%	78.5%	76.7%	82.0%	87.1%	81.7%	83.0%
2015	75.3%	70.2%	73.2%	80.4%	76.1%	74.2%	82.2%	87.1%	83.1%	81.2%	90.2%	85.1%
2016	80.2%	73.0%	77.4%	75.8%	80.0%	80.2%	83.1%	81.7%	84.3%	85.5%	87.2%	82.3%
2017	82.5%	79.2%	74.8%	77.8%	81.1%	79.4%	70.0%	79.6%	82.3%	83.1%	81.6%	79.3%
2018	77.7%	67.6%	75.3%	73.0%	76.7%	77.1%	79.2%	62.0%	83.1%	86.3%	89.4%	86.6%
2019	75.3%	75.1%	76.8%	78.5%	86.4%	87.7%	82.7%	89.8%	82.8%	89.4%	87.7%	83.7%
2020	85.2%	77.1%	77.1%	82.5%	78.1%	85.4%	81.7%	85.1%	84.8%	82.8%	88.9%	86.3%
2021	87.3%	77.0%	72.2%	80.1%	85.0%	83.4%	77.3%	82.7%	86.9%	92.6%	87.5%	79.0%
2022	73.0%	68.6%	73.5%	76.0%	78.8%	80.8%	83.8%	79.5%	77.9%	85.1%	89.0%	84.1%
2023	82.8%	74.2%	80.4%	83.9%	78.3%	73.8%	83.1%	76.8%	74.7%	85.8%	82.2%	86.2%
2024	81.8%	79.8%	80.4%	81.4%	90.2%	78.6%	79.6%	78.2%	81.4%	84.6%	92.2%	90.4%
2025	81.0%	75.5%	75.4%	82.3%	76.5%	74.8%	76.5%	M	M	M	M	M

Monthly Plots

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