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.

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Precipitation Totals [inch]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2013	M	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
2013	M	8.5	7.1	8.6	9.4	9.4	9.0	11.2	9.6	9.0	9.5	8.3
2014	8.5	8.5	8.2	7.3	9.7	8.9	8.9	9.3	9.2	8.9	8.5	9.1
2015	7.4	8.5	8.3	7.3	9.8	7.9	10.5	8.8	7.5	8.1	9.2	8.0
2016	6.6	7.4	7.7	7.8	4.1	5.4	8.6	10.3	8.3	7.7	9.2	9.0
2017	8.1	8.5	6.6	6.9	8.2	8.5	9.6	10.6	8.7	9.8	8.3	9.6
2018	8.9	8.0	8.0	8.6	6.8	7.7	5.9	9.3	9.8	8.6	8.9	9.1
2019	7.7	8.5	7.3	8.0	7.0	8.4	8.9	7.5	7.8	8.6	9.7	8.3
2020	9.7	8.3	7.4	7.6	7.6	9.0	7.5	7.8	7.8	8.5	8.9	8.3
2021	7.3	8.1	7.3	7.6	7.4	7.1	7.3	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	9.2	8.5	8.0	8.5	10.4	8.0
2024	8.3	7.9	8.2	8.2	6.7	9.8	7.8	8.4	9.8	6.6	10.1	7.9
2025	6.9	7.8	9.1	7.4	8.8	7.8	9.6	7.4	9.9	M	M	M
2026	M	10.3	8.5	7.6	6.2	6.9	7.7	8.6	8.4	6.7	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2013	M	66.60	63.12	58.82	52.98	49.94	48.43	49.71	51.92	55.81	57.62	64.81
2014	64.75	65.69	59.99	57.02	52.79	48.80	48.66	51.16	51.92	55.17	57.92	61.73
2015	67.54	67.23	64.98	58.88	54.41	49.88	48.61	50.06	51.74	55.88	59.50	62.66
2016	68.70	66.26	65.56	57.32	57.14	51.30	49.59	51.16	55.64	58.19	62.00	63.59
2017	65.56	67.49	62.77	60.38	53.48	47.84	48.20	48.20	50.84	53.83	59.24	63.20
2018	66.49	68.13	60.68	56.18	52.85	48.38	48.61	50.70	52.64	54.47	58.46	63.70
2019	63.01	68.64	63.24	56.60	52.67	49.94	49.19	49.88	52.70	55.11	59.31	63.30
2020	66.32	67.26	64.98	58.22	55.63	48.86	47.91	48.97	43.70	55.75	61.10	62.14
2021	66.55	70.38	65.68	58.82	53.89	50.30	51.08	46.40	44.34	47.90	49.70	55.40
2022	50.26	53.15	50.90	38.30	39.50	31.10	41.45	39.65	47.75	48.20	54.05	57.20
2023	51.80	59.00	41.00	43.40	45.32	45.50	48.11	48.67	50.36	54.47	54.98	63.18
2024	68.06	67.57	60.45	55.16	49.13	49.04	46.28	49.65	50.30	58.30	56.60	64.40
2025	67.36	64.53	61.73	57.26	50.81	47.96	48.92	51.63	52.46	54.01	61.10	60.74
2026	66.00	58.71	60.10	53.84	51.34	47.72	46.81	49.65	53.00	61.86	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2013	M	52.60	50.87	48.20	44.29	40.34	38.15	37.57	36.68	41.46	43.88	46.57
2014	47.91	47.75	44.08	41.54	42.10	38.96	38.27	41.46	41.00	42.16	43.70	46.46
2015	48.43	48.59	46.23	44.48	44.48	39.26	38.74	39.37	38.08	39.74	43.48	47.52
2016	49.36	47.70	46.17	40.04	43.85	37.90	38.04	41.35	39.02	41.17	44.54	47.91
2017	49.48	49.68	45.82	44.84	41.46	37.04	37.75	39.20	36.92	41.12	42.74	47.06
2018	47.39	49.36	43.85	42.02	41.00	36.56	34.73	37.75	39.80	40.59	42.74	46.52
2019	43.44	48.01	45.76	42.68	39.55	39.14	38.39	37.86	37.94	39.90	45.34	45.88
2020	48.78	47.64	48.08	43.76	42.34	40.16	37.69	37.34	34.70	38.15	43.82	46.34
2021	45.99	49.61	45.65	46.88	42.28	38.48	47.12	45.32	44.34	47.90	49.10	52.40
2022	50.26	52.70	50.90	38.30	39.50	31.10	41.45	39.65	47.75	48.20	54.05	54.05
2023	51.80	59.00	41.00	43.40	42.80	45.50	40.40	37.60	36.62	39.08	42.80	44.66
2024	50.17	48.45	45.01	41.06	35.95	41.00	35.02	36.99	38.78	41.35	43.64	44.72
2025	46.63	48.84	45.47	43.04	41.00	38.18	40.16	40.01	45.92	54.01	61.10	60.74
2026	64.87	53.89	46.86	41.18	40.83	38.60	35.54	37.40	39.14	45.90	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2013	M	59.60	57.00	53.51	48.63	45.14	43.29	43.64	44.30	48.64	50.75	55.69
2014	56.33	56.72	52.03	49.28	47.45	43.88	43.47	46.31	46.46	48.66	50.81	54.09
2015	57.98	57.91	55.60	51.68	49.45	44.57	43.67	44.72	44.91	47.81	51.49	55.09
2016	59.03	56.98	55.86	48.68	50.49	44.60	43.82	46.25	47.33	49.68	53.27	55.75
2017	57.52	58.58	54.30	52.61	47.47	42.44	42.97	43.70	43.88	47.47	50.99	55.13
2018	56.94	58.74	52.26	49.10	46.92	42.47	41.67	44.22	46.22	47.53	50.60	55.11
2019	53.22	58.32	54.50	49.64	46.11	44.54	43.79	43.87	45.32	47.50	52.33	54.59
2020	57.55	57.45	56.53	50.99	48.98	44.51	42.80	43.15	39.20	46.95	52.46	54.24
2021	56.27	60.00	55.66	52.85	48.08	44.39	49.10	45.86	44.34	47.90	49.40	53.90
2022	50.26	52.93	50.90	38.30	39.50	31.10	41.45	39.65	47.75	48.20	54.05	55.62
2023	51.80	59.00	41.00	43.40	44.06	45.50	44.26	43.13	43.49	46.78	48.89	53.92
2024	59.12	58.01	52.73	48.11	42.54	45.02	40.65	43.32	44.54	49.83	50.12	54.56
2025	57.00	56.69	53.60	50.15	45.91	43.07	44.54	45.82	49.19	54.01	61.10	60.74
2026	65.43	56.30	53.48	47.51	46.08	43.16	41.17	43.53	46.07	53.88	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
2013	M	81.0%	80.2%	90.9%	91.9%	92.8%	91.1%	87.5%	82.7%	82.4%	81.8%	74.1%
2014	77.2%	75.9%	82.5%	88.4%	91.9%	93.8%	92.8%	91.2%	89.0%	85.5%	81.6%	79.8%
2015	75.9%	72.4%	79.0%	87.7%	91.4%	91.5%	93.6%	90.5%	85.0%	77.9%	79.6%	77.8%
2016	76.0%	75.4%	76.2%	83.0%	89.5%	91.5%	91.2%	89.9%	82.6%	79.7%	76.4%	78.7%
2017	77.1%	80.3%	83.4%	85.9%	92.5%	92.8%	92.6%	91.5%	87.3%	86.5%	77.0%	78.2%
2018	74.7%	79.5%	84.5%	88.2%	92.4%	91.5%	91.7%	90.8%	88.6%	84.9%	81.5%	76.3%
2019	77.2%	70.2%	81.7%	88.7%	93.4%	93.3%	94.1%	91.0%	84.9%	82.2%	83.3%	78.2%
2020	74.8%	74.7%	84.6%	89.8%	92.7%	94.5%	92.8%	90.9%	88.1%	79.6%	78.8%	79.0%
2021	75.1%	69.4%	79.2%	92.5%	91.4%	89.3%	82.6%	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	90.5%	87.9%	83.5%	77.3%	80.7%	73.8%
2024	72.6%	75.2%	81.7%	84.2%	89.4%	95.1%	91.6%	88.3%	86.5%	80.4%	83.7%	71.9%
2025	74.4%	78.4%	81.3%	89.3%	94.6%	93.4%	95.2%	92.8%	86.7%	M	M	M
2026	M	87.3%	81.6%	88.9%	88.4%	90.3%	88.0%	87.6%	84.5%	80.3%	M	M

Monthly Plots

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Sep 2026

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