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
2003	M	M	M	M	M	M	M	M	M	M	M	M
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	M	0.00	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	M
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
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
2003	4.8	4.7	4.6	4.8	4.9	4.5	4.6	4.8	4.4	4.4	3.7	4.4
2004	M	M	M	5.0	4.6	4.7	4.5	4.8	4.3	3.5	4.2	4.4
2005	4.5	5.2	4.4	5.4	4.5	4.6	4.3	4.0	3.5	3.0	2.7	4.3
2006	4.0	3.7	4.7	4.6	4.8	4.4	4.3	4.6	4.3	2.8	2.8	3.1
2007	3.9	4.1	5.2	5.0	5.8	4.6	5.2	4.4	4.0	3.5	4.6	4.1
2008	3.7	3.6	5.4	5.1	4.3	4.4	4.3	3.9	4.2	2.8	3.9	5.0
2009	4.1	4.9	5.3	5.3	3.8	4.8	4.3	4.3	4.0	3.7	3.3	3.8
2010	4.0	4.0	4.8	5.0	5.3	4.9	4.5	4.2	4.4	4.0	3.3	3.7
2011	2.8	3.9	4.7	4.5	4.9	4.7	4.7	4.6	4.0	4.1	3.8	4.4
2012	4.7	4.8	5.1	5.0	4.7	4.4	4.5	4.3	4.0	3.6	3.7	3.6
2013	4.3	4.7	4.8	4.5	5.0	4.6	4.7	4.5	4.0	3.5	4.2	4.2
2014	4.1	4.2	5.1	4.8	5.1	4.5	4.4	4.1	3.9	3.8	3.3	4.0
2015	4.6	4.9	5.6	5.0	4.6	4.3	4.3	4.2	4.6	3.6	4.0	3.7
2016	4.1	5.1	5.3	5.0	5.1	4.4	4.5	4.2	4.1	4.0	3.5	4.0
2017	3.7	3.8	4.7	5.0	4.6	4.7	4.4	4.6	4.3	4.1	4.0	4.5
2018	4.1	3.9	4.4	4.8	4.7	4.1	4.6	4.2	3.9	4.0	3.4	3.9
2019	4.5	4.3	5.4	5.1	4.9	4.5	4.4	4.0	3.9	3.5	4.2	3.9
2020	4.1	5.6	4.9	5.2	5.4	5.3	4.6	4.5	4.6	4.3	4.1	4.3
2021	4.6	4.4	5.0	5.4	5.8	5.1	5.1	5.0	4.4	4.2	4.5	4.3
2022	4.6	5.2	4.7	6.0	4.9	5.2	5.1	4.9	4.7	3.8	4.3	4.1
2023	4.7	4.9	5.3	5.7	5.6	5.0	5.0	5.3	4.8	4.2	4.8	4.6
2024	4.4	4.8	5.1	5.6	5.2	5.3	4.8	4.8	4.8	4.0	4.0	4.4
2025	4.3	3.7	5.0	5.3	5.0	4.9	5.2	5.0	4.5	4.2	4.2	4.6
2026	3.5	4.4	4.8	4.8	5.0	4.8	5.0	5.2	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	42.68	42.22	57.90	59.36	73.34	84.74	85.25	89.31	72.62	58.65	51.38	44.25
2004	M	M	M	64.40	67.07	78.50	81.18	80.77	74.90	62.77	52.22	45.18
2005	43.85	43.25	54.76	58.64	71.83	78.68	82.23	78.16	70.70	60.05	48.62	39.61
2006	40.07	43.57	51.92	63.53	70.67	79.70	86.93	78.80	75.38	65.62	55.16	46.11
2007	49.01	52.44	57.26	68.54	72.30	76.82	83.39	78.56	71.79	61.64	50.56	44.08
2008	45.35	48.94	56.56	60.02	67.30	76.22	80.66	80.77	70.94	64.05	50.13	39.95
2009	M	M	M	60.80	M	M	M	M	M	M	50.00	M
2010	39.20	M	M	M	69.80	M	M	68.00	M	M	50.00	39.32
2011	41.57	49.25	53.33	68.43	73.81	75.07	77.71	83.12	79.16	64.52	52.16	48.72
2012	46.11	41.37	62.66	58.76	70.09	79.88	82.86	83.15	72.32	63.94	53.60	44.19
2013	44.60	41.77	49.59	60.92	67.01	77.60	83.45	81.70	74.84	62.48	53.10	48.49
2014	45.99	47.62	58.30	64.22	68.87	77.60	78.51	76.94	74.00	65.74	54.50	49.25
2015	48.49	44.54	55.64	64.58	72.35	79.34	86.52	80.66	71.54	60.97	57.08	50.46
2016	45.70	49.01	54.65	64.34	68.52	77.72	83.50	81.94	77.18	60.28	50.54	47.97
2017	40.48	48.91	60.97	64.46	72.35	83.00	85.48	84.66	73.22	68.60	52.34	38.68
2018	47.21	40.74	50.12	65.24	69.34	78.92	84.32	83.91	77.06	65.33	52.16	47.50
2019	45.70	52.06	61.90	61.40	66.20	82.22	84.37	81.76	73.82	64.17	50.36	48.20
2020	49.13	56.39	54.35	65.36	72.06	76.52	82.11	83.27	75.38	61.32	54.50	44.08
2021	42.74	50.58	57.43	59.66	69.39	81.44	82.46	82.57	77.84	64.17	51.86	48.14
2022	49.65	55.21	54.53	64.10	74.27	84.56	88.32	84.90	74.90	69.57	55.76	44.14
2023	46.46	52.57	60.28	64.82	69.63	79.52	85.07	85.77	77.72	70.03	54.86	52.09
2024	47.85	54.66	57.37	63.80	68.46	77.30	85.48	85.83	72.02	63.99	54.62	49.07
2025	45.59	48.26	55.98	64.46	71.60	85.10	83.56	83.45	74.48	64.75	53.42	49.36
2026	43.73	51.93	56.68	68.78	73.86	86.18	88.55	88.74	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	25.15	24.99	35.25	42.80	52.96	64.04	64.46	64.11	51.38	40.88	37.64	30.43
2004	M	M	M	47.75	48.66	58.22	59.87	59.29	55.16	49.07	36.26	30.26
2005	24.51	23.96	34.15	41.78	51.92	59.66	61.26	58.30	56.12	47.04	36.32	24.74
2006	25.26	29.30	34.50	43.86	51.45	57.26	64.98	57.08	57.62	48.90	37.04	30.72
2007	30.95	31.87	35.02	46.64	52.15	57.56	58.83	59.00	51.93	45.68	33.92	27.24
2008	30.66	30.88	35.37	40.58	53.19	59.30	60.39	59.99	53.06	47.04	37.98	25.79
2009	M	M	M	60.80	M	M	M	M	M	M	50.00	M
2010	39.20	M	M	M	69.80	M	M	68.00	M	M	46.40	24.34
2011	28.35	30.61	36.84	46.90	53.94	58.83	60.03	61.17	55.58	42.86	36.20	28.69
2012	26.60	18.53	38.79	43.34	51.10	60.98	61.09	62.48	53.96	46.05	38.06	26.37
2013	26.83	24.99	34.32	45.02	47.79	56.96	62.19	60.39	53.72	49.30	38.08	28.57
2014	31.59	32.45	36.76	46.04	48.84	58.88	59.35	61.09	54.44	49.36	41.18	33.22
2015	28.86	29.62	37.04	42.86	54.12	61.40	67.59	61.15	54.14	46.11	35.78	30.43
2016	28.57	33.55	35.14	44.90	50.29	59.36	63.12	61.50	56.60	45.12	38.30	29.85
2017	25.44	33.99	39.61	42.56	51.80	62.96	62.14	63.01	50.54	45.02	33.44	20.33
2018	31.83	29.56	34.32	45.98	54.53	61.40	65.15	62.43	57.32	49.01	42.38	30.43
2019	25.26	27.95	34.50	42.02	48.37	62.06	65.39	63.65	54.98	49.19	39.56	33.45
2020	29.50	32.81	37.86	43.58	56.39	60.68	63.30	61.50	54.32	43.73	35.96	29.33
2021	26.14	33.41	33.86	40.40	46.75	59.42	61.61	59.81	56.54	42.97	38.06	28.63
2022	26.83	29.88	34.44	41.78	54.82	61.58	66.03	62.31	53.66	51.63	35.90	27.59
2023	28.86	30.07	35.43	40.16	52.50	59.96	64.63	61.96	56.36	50.41	33.44	30.37
2024	28.34	34.30	38.33	42.56	50.75	58.52	65.62	64.46	52.94	51.92	34.04	27.76
2025	29.56	33.41	37.17	45.32	50.87	62.72	61.09	62.95	53.96	44.66	33.62	32.93
2026	27.82	33.93	36.01	45.32	51.45	61.94	63.99	64.47	M	M	M	M

Average Daily Temperature (high+low)/2 [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	33.92	33.61	46.57	51.08	63.15	74.39	74.85	76.71	62.00	49.77	44.51	37.34
2004	M	M	M	56.07	57.87	68.36	70.53	70.03	65.03	55.92	44.24	37.72
2005	34.18	33.61	44.45	50.21	61.87	69.17	71.75	68.23	63.41	53.54	42.47	32.17
2006	32.67	36.44	43.21	53.69	61.06	68.48	75.95	67.94	66.50	57.26	46.10	38.42
2007	39.98	42.16	46.14	57.59	62.22	67.19	71.11	68.78	61.86	53.66	42.24	35.66
2008	38.01	39.91	45.96	50.30	60.25	67.76	70.53	70.38	62.00	55.55	44.05	32.87
2009	M	M	M	60.80	M	M	M	M	M	M	50.00	M
2010	39.20	M	M	M	69.80	M	M	68.00	M	M	48.20	31.83
2011	34.96	39.93	45.10	57.67	63.88	66.95	68.87	72.15	67.37	53.69	44.18	38.71
2012	36.35	29.95	50.73	51.05	60.60	70.43	71.98	72.82	63.14	54.99	45.75	35.28
2013	35.72	33.38	41.96	52.97	57.40	67.28	72.82	71.05	64.28	55.89	45.59	38.53
2014	38.79	40.04	47.53	55.13	58.85	68.24	68.93	69.02	64.22	57.55	47.84	41.23
2015	38.68	37.08	46.34	53.72	63.24	70.37	77.06	70.90	62.84	53.54	46.43	40.45
2016	37.14	41.28	44.89	54.62	59.41	68.54	73.31	71.72	66.89	52.70	44.42	38.91
2017	32.96	41.45	50.29	53.51	62.08	72.98	73.81	73.84	61.88	56.81	42.89	29.50
2018	39.52	35.15	42.22	55.61	61.93	70.16	74.74	73.17	67.19	57.17	47.27	38.97
2019	35.48	40.00	48.20	51.71	57.29	72.14	74.88	72.70	64.40	56.68	44.96	40.83
2020	39.32	44.60	46.11	54.47	64.23	68.60	72.70	72.38	64.85	52.53	45.23	36.70
2021	34.44	42.00	45.65	50.03	58.07	70.43	72.04	71.19	67.19	53.57	44.96	38.39
2022	38.24	42.54	44.48	52.94	64.55	73.07	77.17	73.60	64.28	60.60	45.83	35.86
2023	37.66	41.32	47.85	52.49	61.06	69.74	74.85	73.86	67.04	60.22	44.15	41.23
2024	38.10	44.48	47.85	53.18	59.61	67.91	75.55	75.14	62.48	57.95	44.33	38.42
2025	37.57	40.84	46.57	54.89	61.24	73.91	72.33	73.20	64.22	54.70	43.52	41.15
2026	35.77	42.93	46.34	57.05	62.66	74.06	76.27	76.60	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
2003	80.6%	69.1%	68.9%	75.7%	67.2%	71.1%	66.1%	60.2%	69.4%	80.2%	88.8%	80.6%
2004	M	M	M	68.4%	75.2%	67.9%	68.5%	70.9%	72.9%	85.9%	79.5%	83.1%
2005	76.1%	68.3%	71.2%	78.4%	70.3%	72.3%	67.0%	71.5%	83.4%	88.5%	85.3%	79.1%
2006	80.5%	81.0%	69.6%	71.1%	71.0%	63.3%	61.7%	66.5%	76.8%	84.5%	82.9%	86.8%
2007	82.8%	78.8%	70.2%	73.1%	71.0%	77.7%	62.3%	74.5%	74.3%	76.6%	73.9%	77.9%
2008	83.7%	76.9%	64.0%	71.6%	76.1%	76.0%	71.7%	72.1%	75.7%	78.1%	85.9%	87.6%
2009	88.7%	75.7%	68.8%	78.9%	69.6%	68.3%	69.6%	74.2%	79.1%	81.8%	92.7%	87.9%
2010	88.2%	82.7%	78.2%	74.2%	75.7%	74.4%	71.4%	76.3%	77.6%	85.2%	90.1%	86.2%
2011	89.1%	82.9%	81.7%	66.7%	65.4%	79.6%	74.9%	70.9%	73.1%	73.3%	88.4%	74.5%
2012	79.1%	79.3%	71.0%	80.3%	74.0%	73.6%	71.7%	74.2%	77.7%	84.0%	84.3%	78.3%
2013	82.3%	75.4%	78.7%	83.2%	77.9%	69.3%	72.2%	74.0%	77.9%	90.3%	84.9%	87.0%
2014	88.4%	88.0%	77.9%	78.0%	74.8%	79.0%	81.7%	84.1%	83.7%	86.3%	89.1%	86.0%
2015	75.3%	80.3%	71.9%	68.3%	73.8%	71.7%	71.4%	74.4%	72.7%	86.1%	79.5%	87.4%
2016	75.3%	80.0%	72.4%	74.3%	72.0%	73.7%	70.0%	70.4%	73.6%	83.9%	85.5%	86.2%
2017	75.6%	88.2%	71.8%	71.4%	70.5%	69.6%	68.0%	67.9%	70.2%	67.6%	78.3%	76.8%
2018	84.6%	83.9%	81.0%	74.3%	82.9%	74.8%	72.1%	72.9%	76.9%	82.1%	91.6%	83.3%
2019	72.3%	68.5%	58.5%	73.9%	75.7%	68.2%	71.8%	76.9%	80.3%	86.5%	90.9%	85.4%
2020	78.6%	66.3%	75.6%	69.3%	73.5%	73.1%	76.1%	78.1%	77.5%	85.2%	88.6%	93.2%
2021	82.2%	82.8%	68.5%	72.0%	71.6%	72.3%	72.5%	70.9%	72.9%	78.5%	87.4%	81.3%
2022	76.3%	65.9%	63.1%	64.7%	77.2%	67.8%	63.7%	70.0%	71.9%	85.2%	84.7%	92.6%
2023	83.3%	77.5%	69.0%	61.4%	77.3%	73.1%	72.7%	66.5%	76.5%	79.7%	75.1%	80.0%
2024	84.9%	83.2%	82.4%	75.6%	83.8%	81.0%	75.4%	78.0%	80.2%	92.5%	86.8%	77.5%
2025	86.0%	84.2%	76.1%	75.8%	77.3%	70.6%	67.9%	71.1%	79.7%	77.8%	81.4%	89.7%
2026	84.5%	84.1%	73.6%	73.6%	68.4%	67.1%	65.4%	67.3%	M	M	M	M

Monthly Plots

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