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	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	M	M	M	M	M	M	M	M	M	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
2004	M	M	M	M	9.4	13.8	13.1	13.8	16.3	17.4	12.9	13.8
2005	17.9	14.3	13.6	12.1	13.4	12.2	12.4	11.5	11.4	13.5	15.0	15.2
2006	12.6	13.3	15.2	12.6	14.6	9.4	10.1	12.3	11.8	14.9	16.3	16.6
2007	19.7	13.7	14.0	10.1	14.4	12.3	14.8	11.5	11.9	9.0	14.1	15.3
2008	20.2	13.7	17.2	11.6	10.3	11.5	12.7	14.7	12.2	13.5	14.6	11.9
2009	13.5	10.8	13.2	9.8	12.7	9.9	13.6	11.4	12.1	13.2	21.0	15.8
2010	12.0	14.4	13.5	12.0	11.3	10.1	10.5	14.4	12.4	14.2	14.9	12.7
2011	14.5	16.0	11.9	11.4	14.1	14.5	12.3	13.0	14.7	16.0	13.1	20.2
2012	16.5	13.3	9.8	13.9	12.0	13.9	13.8	12.3	13.3	13.6	15.1	17.6
2013	14.9	13.5	13.2	13.8	13.4	13.5	10.9	10.8	11.7	16.2	13.6	18.3
2014	18.7	20.7	12.3	11.2	13.2	9.6	10.8	14.5	8.7	15.3	13.6	17.5
2015	17.6	13.2	14.8	12.1	14.5	13.1	15.2	11.7	13.0	10.0	20.4	19.3
2016	18.5	17.4	14.0	13.5	11.7	11.6	13.1	13.5	11.5	10.8	14.7	12.6
2017	12.3	15.8	15.2	10.8	11.4	14.5	12.7	11.3	12.9	16.6	13.7	17.2
2018	17.9	14.5	14.5	12.1	10.6	12.1	10.1	12.1	12.3	12.2	14.4	16.0
2019	14.3	13.5	17.8	12.1	10.9	12.3	10.9	13.6	14.2	14.9	14.3	16.7
2020	16.4	24.4	17.3	11.6	12.9	12.6	13.4	12.5	12.4	16.6	15.0	16.0
2021	14.5	15.0	13.7	12.1	13.7	9.7	11.9	13.0	10.9	15.4	11.8	14.7
2022	13.4	21.6	11.5	14.1	11.6	11.7	10.5	10.2	11.0	13.3	16.9	14.2
2023	18.0	13.0	15.7	13.1	11.7	11.9	16.5	12.7	11.1	15.7	18.5	20.1
2024	17.3	18.1	13.6	15.6	11.2	12.0	12.2	12.3	13.3	12.2	13.0	16.4
2025	13.7	12.6	10.0	11.0	13.4	14.5	11.8	11.9	15.6	15.1	14.7	15.1
2026	15.3	16.1	12.9	12.1	11.2	13.8	11.5	12.0	15.1	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	61.78	66.26	68.64	72.53	66.92	58.50	50.00	43.61
2005	45.94	41.26	47.62	55.46	60.45	69.20	69.39	67.94	68.00	62.35	51.14	43.59
2006	40.36	41.00	43.82	52.28	61.26	67.52	79.50	67.36	70.88	62.54	53.96	48.03
2007	48.95	47.75	51.80	62.60	62.48	67.82	67.54	68.70	64.16	57.33	50.12	44.19
2008	47.27	47.33	47.74	54.14	67.01	65.18	69.74	68.93	63.50	57.02	49.40	41.58
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	M	40.87	39.20	71.60	62.60	63.50	66.20	M	M	57.56	53.06	47.45
2012	45.47	38.39	52.15	51.98	61.38	64.34	68.23	72.12	64.88	57.26	49.76	45.53
2013	40.01	39.33	42.10	51.32	56.74	64.10	72.53	72.24	64.94	59.70	49.88	47.45
2014	47.10	47.62	53.54	59.54	62.31	67.16	71.89	67.07	68.60	62.02	52.16	45.99
2015	44.14	43.44	48.03	55.22	59.87	66.74	69.80	71.77	62.96	56.74	55.16	52.44
2016	46.28	45.90	48.03	53.72	63.47	66.20	69.86	71.83	71.78	57.84	48.74	45.82
2017	40.36	44.92	52.73	53.66	65.45	72.20	71.08	70.44	63.86	61.15	51.26	45.47
2018	45.99	40.10	44.60	58.70	67.19	68.36	77.52	72.01	66.50	61.21	50.24	47.33
2019	43.38	49.49	51.28	58.70	59.12	70.28	72.47	72.70	65.96	58.83	49.58	47.33
2020	47.10	49.19	50.06	60.80	64.17	69.38	68.46	75.90	67.94	58.04	53.72	47.04
2021	43.03	43.83	49.19	50.30	57.95	69.92	69.28	68.07	69.50	60.10	50.84	46.92
2022	45.01	49.04	53.48	55.88	64.11	69.50	73.81	77.46	67.70	63.06	53.60	44.02
2023	46.63	47.24	49.71	53.36	61.50	74.78	70.44	69.39	72.38	62.25	51.92	48.20
2024	44.19	50.50	52.15	55.52	63.88	66.38	70.22	74.10	67.52	60.28	50.84	47.15
2025	43.32	43.70	52.50	60.50	64.46	72.20	73.46	72.99	66.74	59.06	51.56	47.68
2026	43.30	47.73	53.37	59.12	66.32	73.16	76.59	76.71	69.03	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	50.25	56.54	58.83	62.83	57.92	51.37	43.76	37.69
2005	39.90	35.09	39.43	45.44	49.36	56.72	60.22	58.94	59.06	54.34	44.12	37.83
2006	34.21	35.21	35.84	43.88	51.63	55.04	64.86	60.28	61.34	54.99	47.48	41.70
2007	43.44	41.51	43.21	48.80	52.50	58.22	58.71	59.46	55.82	49.73	44.24	38.50
2008	41.52	38.70	40.01	43.88	54.18	55.76	59.93	60.22	54.62	49.40	43.34	35.48
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	M	39.84	39.20	68.00	54.50	62.15	59.00	M	M	48.83	45.62	41.23
2012	39.66	30.88	41.75	43.46	51.34	55.04	59.00	61.09	55.76	49.25	43.28	39.55
2013	34.09	33.03	33.57	40.22	46.98	53.54	60.97	61.85	55.58	52.50	43.70	41.35
2014	41.17	41.32	43.26	48.86	51.86	57.14	61.90	58.65	58.52	54.65	46.58	39.84
2015	37.57	36.24	40.25	43.28	50.06	55.34	59.99	61.15	54.02	49.42	48.56	47.27
2016	40.19	39.01	39.14	43.79	51.97	57.14	60.86	60.57	61.40	49.48	42.02	39.90
2017	33.68	38.69	43.67	44.30	52.90	60.20	60.68	60.28	55.76	54.59	45.20	39.03
2018	40.36	32.71	36.30	47.36	53.37	57.08	63.53	61.90	56.66	52.26	43.64	41.93
2019	37.28	40.23	43.38	45.80	49.19	57.68	61.21	61.67	56.96	51.68	43.52	41.35
2020	40.94	41.99	41.23	46.76	50.35	58.10	59.00	64.17	57.26	50.78	46.52	41.17
2021	36.82	36.05	40.42	40.10	48.20	58.88	60.80	59.40	58.58	51.86	44.54	41.00
2022	39.55	41.51	42.10	45.20	52.55	57.86	60.34	63.41	56.96	54.88	46.82	37.57
2023	40.07	40.29	41.17	44.60	50.29	60.14	60.92	60.68	61.22	54.65	45.20	43.50
2024	37.34	44.35	44.72	46.88	54.18	55.70	60.74	63.12	57.80	52.26	44.12	41.29
2025	36.70	36.56	40.71	46.76	51.63	59.12	62.08	61.32	56.78	53.08	45.56	41.00
2026	37.33	41.16	42.86	46.40	53.60	61.04	63.94	63.35	61.96	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	56.01	61.40	63.73	67.68	62.42	54.93	46.88	40.65
2005	42.92	38.17	43.53	50.45	54.91	62.96	64.81	63.44	63.53	58.35	47.63	40.71
2006	37.28	38.11	39.83	48.08	56.45	61.28	72.18	63.82	66.11	58.77	50.72	44.86
2007	46.20	44.63	47.50	55.70	57.49	63.02	63.12	64.08	59.99	53.53	47.18	41.35
2008	44.40	43.02	43.87	49.01	60.60	60.47	64.84	64.57	59.06	53.21	46.37	38.53
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	M	40.36	39.20	69.80	58.55	62.83	62.60	M	M	53.20	49.34	44.34
2012	42.57	34.64	46.95	47.72	56.36	59.69	63.62	66.61	60.32	53.25	46.52	42.54
2013	37.05	36.18	37.84	45.77	51.86	58.82	66.75	67.04	60.26	56.10	46.79	44.40
2014	44.14	44.47	48.40	54.20	57.08	62.15	66.90	62.86	63.56	58.33	49.37	42.92
2015	40.85	39.84	44.14	49.25	54.96	61.04	64.89	66.46	58.49	53.08	51.86	49.85
2016	43.24	42.46	43.58	48.76	57.72	61.67	65.36	66.20	66.59	53.66	45.38	42.86
2017	37.02	41.80	48.20	48.98	59.17	66.20	65.88	65.36	59.81	57.87	48.23	42.25
2018	43.18	36.40	40.45	53.03	60.28	62.72	70.53	66.95	61.58	56.74	46.94	44.63
2019	40.33	44.86	47.33	52.25	54.15	63.98	66.84	67.19	61.46	55.25	46.55	44.34
2020	44.02	45.59	45.65	53.78	57.26	63.74	63.73	70.03	62.60	54.41	50.12	44.11
2021	39.93	39.94	44.80	45.20	53.08	64.40	65.04	63.73	64.04	55.98	47.69	43.96
2022	42.28	45.28	47.79	50.54	58.33	63.68	67.07	70.44	62.33	58.97	50.21	40.80
2023	43.35	43.76	45.44	48.98	55.89	67.46	65.68	65.04	66.80	58.45	48.56	45.85
2024	40.77	47.42	48.43	51.20	59.03	61.04	65.48	68.61	62.66	56.27	47.48	44.22
2025	40.01	40.13	46.60	53.63	58.04	65.66	67.77	67.16	61.76	56.07	48.56	44.34
2026	40.32	44.44	48.11	52.76	59.96	67.10	70.26	70.03	65.49	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	72.9%	75.9%	77.1%	78.4%	76.1%	82.7%	84.1%	89.3%
2005	83.5%	82.4%	87.0%	80.7%	77.0%	73.5%	79.6%	78.5%	79.7%	84.6%	85.1%	88.0%
2006	85.9%	87.7%	80.7%	81.5%	81.9%	74.4%	70.6%	79.9%	80.7%	85.0%	84.1%	88.1%
2007	85.3%	88.8%	80.3%	71.9%	78.2%	81.7%	79.3%	77.3%	79.8%	84.5%	83.6%	88.1%
2008	87.8%	81.9%	81.8%	76.0%	69.9%	78.0%	79.0%	83.8%	81.5%	84.2%	90.1%	91.8%
2009	89.7%	90.0%	82.8%	80.2%	75.2%	74.3%	75.4%	71.6%	75.9%	80.1%	84.9%	87.4%
2010	89.6%	88.4%	81.5%	74.1%	77.0%	75.4%	74.1%	78.7%	81.1%	82.4%	88.6%	89.1%
2011	90.7%	89.5%	81.2%	71.8%	69.7%	77.1%	75.9%	80.6%	83.3%	81.5%	89.7%	83.4%
2012	85.9%	84.8%	86.2%	80.8%	79.2%	77.5%	79.8%	78.7%	77.6%	85.4%	86.4%	85.9%
2013	86.1%	82.6%	74.0%	76.3%	80.5%	79.4%	77.1%	73.9%	77.7%	84.6%	84.7%	84.8%
2014	85.7%	84.2%	80.3%	77.5%	77.1%	73.8%	80.2%	79.2%	82.2%	85.8%	90.4%	83.8%
2015	84.3%	84.5%	81.6%	75.6%	75.2%	72.2%	76.5%	76.6%	79.6%	85.2%	83.5%	85.2%
2016	84.0%	80.1%	81.1%	76.3%	74.0%	84.8%	79.6%	78.1%	77.3%	83.3%	85.4%	89.8%
2017	85.1%	89.4%	81.3%	74.1%	77.0%	72.3%	76.6%	78.4%	80.3%	81.5%	79.9%	87.6%
2018	86.4%	77.0%	83.5%	81.3%	75.3%	79.6%	66.1%	74.1%	75.8%	79.1%	86.1%	87.2%
2019	86.0%	84.3%	81.0%	69.8%	74.1%	75.8%	71.2%	74.9%	75.7%	84.7%	85.5%	86.9%
2020	89.0%	79.7%	74.4%	65.9%	65.1%	73.1%	74.6%	73.9%	76.6%	82.9%	86.0%	89.0%
2021	86.1%	82.4%	79.0%	70.6%	77.9%	77.8%	80.8%	78.9%	77.8%	82.1%	85.2%	90.1%
2022	86.6%	80.3%	72.4%	71.7%	74.6%	73.3%	69.3%	69.0%	74.9%	82.9%	88.2%	87.9%
2023	84.8%	84.9%	82.7%	77.3%	79.2%	68.4%	75.0%	81.3%	79.3%	82.7%	84.6%	85.8%
2024	81.5%	88.1%	82.7%	77.3%	84.3%	76.8%	77.0%	76.3%	80.8%	86.0%	85.8%	88.9%
2025	88.5%	86.1%	76.0%	72.1%	71.0%	73.7%	74.5%	71.8%	75.2%	80.5%	85.6%	86.3%
2026	84.8%	88.6%	80.3%	71.3%	72.8%	77.2%	69.4%	67.7%	79.1%	M	M	M

Monthly Plots

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