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
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	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
2007	19.0	7.7	6.8	4.1	13.4	M	M	8.8	11.2	11.4	15.8	15.1
2008	20.7	16.5	16.2	0.0	8.3	12.7	14.4	9.1	16.4	19.1	21.9	18.2
2009	19.7	17.2	17.5	14.0	16.9	16.4	16.7	15.7	18.7	20.2	22.2	20.1
2010	17.6	18.1	18.0	15.4	16.0	12.9	13.9	16.7	17.9	20.9	17.5	18.5
2011	17.9	21.4	14.0	9.1	17.1	15.3	18.2	15.8	17.9	16.5	18.5	26.3
2012	24.0	19.2	16.4	17.8	16.2	17.9	15.5	15.5	18.8	19.6	20.1	22.9
2013	19.2	16.9	19.7	16.6	16.5	18.8	12.5	15.3	16.3	22.0	20.0	25.9
2014	24.5	26.6	18.4	15.6	15.9	15.3	15.2	16.8	14.5	20.2	19.5	23.2
2015	23.4	18.9	20.1	16.0	18.4	16.1	17.4	15.2	17.9	14.6	24.3	25.6
2016	21.6	21.8	17.7	16.8	17.5	13.6	14.6	15.7	14.8	15.1	18.4	18.6
2017	18.4	21.7	17.5	17.7	15.5	15.8	15.8	15.1	15.8	24.0	20.1	22.0
2018	22.1	18.0	19.5	16.8	16.4	16.0	13.7	15.3	17.6	19.6	21.1	21.5
2019	23.4	18.9	22.0	16.4	16.7	15.9	16.1	16.1	18.6	19.5	19.9	21.7
2020	22.7	26.8	21.0	16.3	15.5	15.1	15.3	16.8	16.1	21.5	20.2	20.9
2021	18.2	20.9	18.7	18.8	16.5	13.7	14.7	17.6	14.4	22.3	18.9	19.6
2022	21.8	27.6	16.0	18.3	14.8	13.5	15.7	13.5	18.2	19.8	22.4	20.4
2023	22.0	18.5	20.0	18.0	16.0	14.9	17.7	15.3	15.2	20.4	22.7	M
2024	23.0	20.0	19.0	20.3	14.7	16.0	15.5	15.3	17.5	17.4	19.9	22.0
2025	19.9	18.6	16.5	13.2	17.6	16.6	16.0	16.2	19.6	22.6	21.6	22.5
2026	21.8	20.6	18.7	16.7	14.9	15.8	16.6	14.1	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	47.60	44.38	47.34	67.17	52.53	M	M	66.12	61.26	54.31	49.40	44.67
2008	45.44	45.13	45.34	50.70	58.55	62.81	65.13	65.88	62.48	55.59	49.46	42.06
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	59.90	M	M	41.00	35.66
2011	38.86	32.00	M	53.60	61.70	56.75	60.80	64.58	64.46	57.13	48.20	46.81
2012	43.73	37.28	46.57	48.50	56.45	59.90	64.92	69.16	61.94	55.17	48.80	44.37
2013	39.08	37.53	37.92	48.02	49.55	58.10	65.33	68.46	62.48	59.00	50.12	46.75
2014	43.32	46.66	49.59	54.34	58.30	62.18	70.03	65.56	64.52	60.05	50.60	45.47
2015	43.79	42.67	46.23	48.68	55.40	60.50	67.07	69.22	61.28	55.28	53.42	51.86
2016	43.10	44.10	44.60	49.82	59.64	61.52	65.68	67.59	69.49	55.46	47.48	45.02
2017	41.00	42.74	49.07	49.64	60.10	65.18	66.26	66.84	61.88	59.75	50.72	45.06
2018	44.08	37.79	41.75	55.40	66.20	65.54	75.08	72.47	65.21	60.10	48.74	45.99
2019	42.57	47.17	48.32	53.12	53.77	67.22	67.65	68.99	62.90	56.79	48.02	46.75
2020	46.69	46.46	46.86	52.36	54.82	63.62	64.05	70.85	64.16	56.68	52.70	45.65
2021	41.99	41.71	45.06	45.50	52.61	63.32	66.14	65.45	65.18	58.19	50.66	45.06
2022	45.35	46.82	48.43	50.27	58.22	63.20	67.19	70.10	63.56	60.25	50.84	43.73
2023	45.70	45.76	46.07	50.60	54.53	64.70	66.20	66.66	68.66	58.36	52.70	M
2024	43.28	47.89	49.54	53.60	62.37	61.52	66.37	70.03	64.70	58.30	49.76	47.21
2025	42.92	41.77	48.43	52.10	56.50	65.60	67.71	67.59	64.64	57.37	49.82	48.88
2026	38.00	39.05	49.54	52.40	58.48	66.92	66.66	71.48	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	43.36	42.39	44.48	57.29	48.49	M	M	62.47	56.10	49.21	44.50	39.53
2008	41.00	39.66	40.19	46.25	54.18	57.62	59.98	60.38	56.41	49.09	43.45	35.34
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	59.90	M	M	39.20	28.98
2011	35.26	32.00	M	51.80	56.30	56.30	59.00	58.10	56.78	49.72	42.02	41.12
2012	38.56	32.06	41.87	43.10	50.75	54.74	59.23	61.90	56.06	49.19	42.32	37.63
2013	34.61	33.86	32.12	40.58	44.15	53.36	60.45	61.61	56.48	51.67	44.78	40.88
2014	37.40	39.97	42.74	48.32	52.61	56.78	63.99	59.87	60.20	53.72	45.38	39.49
2015	37.63	37.08	40.30	43.40	48.95	53.96	59.87	60.74	56.36	49.94	47.12	46.63
2016	36.56	38.33	38.97	43.52	51.92	56.72	61.03	61.55	61.86	49.88	41.24	40.28
2017	37.40	36.76	42.80	43.88	51.80	57.98	60.22	60.80	55.88	53.83	45.20	39.37
2018	38.68	32.13	34.03	45.50	54.65	57.92	63.01	62.19	57.26	52.38	42.26	41.64
2019	37.34	40.23	42.51	46.22	48.95	58.16	61.26	62.54	57.08	51.10	41.90	41.52
2020	41.46	41.45	40.94	45.22	49.94	57.86	58.71	64.46	58.34	51.28	46.16	40.19
2021	36.99	35.02	40.19	41.30	47.21	56.90	61.61	60.51	59.78	51.34	45.92	38.91
2022	40.48	40.79	40.59	44.40	52.10	56.60	60.63	64.58	57.56	53.88	45.44	37.23
2023	40.42	40.61	39.45	44.60	49.88	57.98	60.51	61.21	61.46	52.90	45.78	M
2024	37.19	42.55	44.02	46.76	55.46	56.18	60.34	62.83	58.88	51.97	43.82	41.41
2025	37.05	35.66	41.17	46.64	51.63	58.52	62.37	61.44	57.80	52.09	44.24	43.47
2026	32.90	34.02	41.87	45.50	51.28	59.48	61.85	63.20	M	M	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	45.48	43.39	45.91	62.23	50.51	M	M	64.29	58.68	51.76	46.95	42.10
2008	43.22	42.39	42.77	48.48	56.37	60.21	62.55	63.13	59.45	52.34	46.46	38.70
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	59.90	M	M	40.10	32.32
2011	37.06	32.00	M	52.70	59.00	56.53	59.90	61.34	60.62	53.43	45.11	43.96
2012	41.15	34.67	44.22	45.80	53.60	57.32	62.08	65.53	59.00	52.18	45.56	41.00
2013	36.85	35.70	35.02	44.30	46.85	55.73	62.89	65.04	59.48	55.33	47.45	43.82
2014	40.36	43.31	46.17	51.33	55.46	59.48	67.01	62.72	62.36	56.88	47.99	42.48
2015	40.71	39.87	43.26	46.04	52.18	57.23	63.47	64.98	58.82	52.61	50.27	49.25
2016	39.83	41.22	41.78	46.67	55.78	59.12	63.35	64.57	65.67	52.67	44.36	42.65
2017	39.20	39.75	45.94	46.76	55.95	61.58	63.24	63.82	58.88	56.79	47.96	42.22
2018	41.38	34.96	37.89	50.45	60.42	61.73	69.05	67.33	61.23	56.24	45.50	43.82
2019	39.95	43.70	45.41	49.67	51.36	62.69	64.46	65.76	59.99	53.95	44.96	44.14
2020	44.08	43.96	43.90	48.79	52.38	60.74	61.38	67.65	61.25	53.98	49.43	42.92
2021	39.49	38.36	42.63	43.40	49.91	60.11	63.88	62.98	62.48	54.76	48.29	41.99
2022	42.92	43.81	44.51	47.33	55.16	59.90	63.91	67.34	60.56	57.06	48.14	40.48
2023	43.06	43.19	42.76	47.60	52.21	61.34	63.35	63.94	65.06	55.63	49.24	M
2024	40.24	45.22	46.78	50.18	58.91	58.85	63.35	66.43	61.79	55.14	46.79	44.31
2025	39.98	38.72	44.80	49.37	54.06	62.06	65.04	64.52	61.22	54.73	47.03	46.17
2026	35.45	36.54	45.70	48.95	54.88	63.20	64.25	67.34	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
2007	78.5%	89.2%	82.8%	82.6%	87.6%	M	M	82.3%	78.5%	81.1%	79.8%	83.2%
2008	82.8%	77.4%	75.7%	78.6%	68.0%	73.7%	79.1%	81.3%	75.2%	76.1%	83.2%	86.9%
2009	86.0%	91.3%	86.6%	82.2%	78.0%	74.8%	76.9%	71.8%	74.0%	74.8%	85.8%	84.3%
2010	86.3%	86.5%	83.2%	79.6%	79.8%	81.8%	77.2%	79.2%	77.9%	79.3%	81.9%	83.9%
2011	88.8%	86.4%	82.5%	78.3%	71.9%	78.0%	79.1%	79.1%	78.0%	75.9%	88.7%	80.0%
2012	81.0%	84.2%	90.2%	79.3%	79.9%	75.6%	76.8%	72.9%	73.1%	78.6%	84.8%	84.5%
2013	83.4%	80.6%	74.8%	82.7%	91.6%	82.2%	84.1%	76.1%	78.2%	81.5%	80.1%	85.0%
2014	87.0%	83.4%	81.3%	85.1%	77.2%	77.0%	79.4%	73.8%	81.6%	83.7%	85.8%	81.9%
2015	83.7%	83.1%	82.2%	80.8%	75.7%	77.0%	76.9%	78.3%	78.4%	83.2%	82.5%	84.6%
2016	84.7%	78.5%	84.1%	76.3%	77.7%	83.9%	79.9%	76.9%	74.0%	80.0%	81.8%	86.4%
2017	89.9%	84.3%	82.8%	75.0%	78.4%	77.8%	77.2%	75.0%	80.0%	81.0%	78.4%	86.4%
2018	86.1%	77.4%	82.4%	82.5%	76.2%	79.8%	72.3%	72.7%	74.1%	74.9%	83.6%	85.8%
2019	82.1%	81.4%	81.8%	72.9%	76.4%	77.8%	77.6%	78.3%	76.2%	81.9%	87.3%	85.8%
2020	89.5%	81.1%	75.3%	73.8%	76.6%	80.4%	76.8%	76.9%	77.4%	81.3%	83.2%	88.7%
2021	82.8%	80.7%	83.1%	75.6%	82.9%	83.8%	82.9%	80.2%	79.7%	81.7%	84.8%	88.0%
2022	84.6%	87.5%	73.9%	73.0%	79.3%	79.2%	74.1%	76.9%	72.8%	84.4%	85.5%	85.5%
2023	82.9%	82.4%	78.2%	79.6%	81.5%	81.4%	76.6%	79.9%	78.7%	82.8%	81.6%	M
2024	77.3%	86.6%	81.6%	75.5%	80.8%	77.0%	78.6%	73.4%	75.8%	81.1%	81.7%	87.0%
2025	85.8%	84.2%	75.8%	80.5%	79.4%	77.3%	78.3%	74.3%	76.0%	79.4%	84.5%	89.9%
2026	86.9%	90.7%	81.8%	74.5%	76.6%	78.4%	80.1%	67.6%	M	M	M	M

Monthly Plots

Select month and year:

Jul 2026

JanFebMarAprMayJunJulAugSepOctNovDec 20072008200920102011201220132014201520162017201820192020202120222023202420252026

Sep 2026