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 (USC00312200) 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
2017	1.05	1.52	2.98	4.78	3.99	3.37	2.70	1.47	0.12	4.74	1.33	1.79
2018	2.50	0.90	M	M	M	1.84	5.50	4.20	2.26	2.73	4.55	6.14
2019	3.01	6.44	3.12	4.86	2.78	3.72	3.77	2.86	0.28	5.83	3.42	5.01
2020	4.51	7.35	5.52	5.66	4.42	4.67	7.05	4.48	5.70	6.46	2.73	3.94
2021	3.54	4.76	8.28	1.08	4.06	2.99	5.80	9.01	2.11	4.13	0.89	2.96
2022	2.90	7.39	3.56	2.22	5.90	1.36	2.71	4.49	2.71	0.73	4.64	4.18
2023	5.09	3.14	2.89	3.82	1.88	3.01	3.50	5.05	1.18	0.71	0.61	3.15
2024	5.29	1.88	4.25	2.42	3.89	2.02	3.95	0.63	9.31	0.20	2.58	4.05
2025	1.78	4.16	2.62	4.51	6.08	2.92	3.05	5.47	4.12	2.70	0.53	1.77
2026	3.76	2.13	1.66	1.59	4.38	3.70	3.81	2.05	0.33	M	M	M
NCEI Climatology	4.85	4.72	4.64	4.72	4.34	5.12	5.01	4.30	4.31	3.22	4.04	5.07

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2017	6.8	5.0	6.0	6.0	5.1	3.1	2.5	2.9	2.7	4.2	3.9	4.2
2018	5.0	5.6	6.5	6.4	4.1	2.8	2.6	2.2	2.4	4.0	4.4	4.8
2019	5.2	4.9	5.6	6.1	4.4	3.5	2.4	2.9	2.9	4.1	3.5	5.1
2020	5.4	4.8	5.0	6.0	4.7	3.0	2.4	2.5	2.8	3.3	4.5	4.8
2021	4.2	5.4	5.2	5.4	4.0	3.2	2.4	2.4	2.2	3.2	3.3	3.4
2022	4.0	5.3	6.7	5.0	3.5	1.9	1.7	1.5	2.0	3.1	3.4	2.6
2023	4.2	4.4	4.9	4.5	3.4	2.5	1.6	1.8	2.0	3.2	2.7	3.4
2024	4.9	4.1	4.9	4.8	2.7	2.8	1.6	2.1	3.0	2.4	4.3	4.4
2025	4.5	4.6	6.5	5.7	4.0	2.7	2.0	1.9	1.7	3.3	4.6	3.8
2026	4.6	4.7	5.3	4.6	3.7	2.6	1.6	1.4	1.9	M	M	M
NCEI Climatology	M	M	M	M	M	M	M	M	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2017	51.56	58.73	57.51	71.10	72.61	76.62	81.73	79.05	74.50	69.53	61.16	47.97
2018	42.95	59.02	54.29	64.95	75.92	80.49	80.11	78.88	78.84	67.88	53.00	48.65
2019	46.53	56.59	57.15	69.81	75.92	76.52	81.12	80.59	81.09	69.30	58.31	53.67
2020	48.82	50.55	61.90	64.75	69.62	76.67	81.47	78.77	73.43	68.75	62.08	48.23
2021	46.33	50.81	62.07	66.64	70.95	77.78	79.51	79.44	73.96	66.30	57.22	59.35
2022	45.72	54.69	62.54	66.54	75.33	80.37	81.95	78.68	73.75	65.95	58.12	48.71
2023	51.12	57.84	60.46	66.18	70.70	74.96	80.94	80.25	76.08	67.29	60.74	51.78
2024	45.66	57.11	62.79	68.03	73.34	79.42	81.24	82.04	75.02	70.69	61.84	50.91
2025	40.97	56.56	62.35	71.25	70.16	80.29	83.33	77.73	74.91	66.31	58.65	52.16
2026	47.67	54.15	68.36	74.00	74.04	79.25	82.39	81.56	81.87	M	M	M
NCEI Climatology	48.50	52.92	60.79	70.30	77.00	82.40	85.31	84.30	79.11	70.00	59.90	51.09

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2017	37.31	36.24	37.90	49.95	53.89	59.02	63.10	61.69	54.36	46.37	39.49	31.80
2018	22.68	40.85	35.68	40.98	56.21	60.30	62.77	61.69	63.00	48.95	33.95	34.60
2019	29.03	39.09	36.19	47.44	56.47	59.31	63.88	62.03	59.00	50.12	34.32	34.79
2020	33.00	34.03	44.71	43.09	50.15	59.07	64.19	62.89	56.61	48.06	40.65	28.75
2021	30.56	32.58	40.63	43.10	51.33	59.95	62.13	62.95	56.38	49.21	34.04	39.44
2022	27.39	32.80	39.44	43.52	55.39	60.59	64.89	62.65	54.27	42.20	39.82	32.81
2023	34.15	39.82	38.27	45.51	52.13	56.25	63.16	62.35	56.90	48.43	43.38	37.35
2024	27.50	34.07	40.67	47.69	55.20	60.45	64.71	61.85	58.94	47.42	43.25	32.60
2025	22.28	34.45	38.78	49.68	53.62	61.32	65.31	60.98	56.29	46.61	38.55	32.09
2026	27.14	31.21	43.29	48.85	52.89	59.77	65.84	63.65	63.04	M	M	M
NCEI Climatology	25.61	28.28	34.00	41.60	50.50	58.60	62.69	61.70	55.79	43.81	33.00	28.69

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2017	44.43	47.49	47.70	60.53	63.25	67.82	72.41	70.37	64.43	57.95	50.32	39.88
2018	32.82	49.93	44.99	52.97	66.06	70.39	71.44	70.28	70.92	58.42	43.48	41.62
2019	37.78	47.84	46.67	58.62	66.20	67.92	72.50	71.31	70.04	59.71	46.31	44.23
2020	40.91	42.29	53.31	53.92	59.89	67.87	72.83	70.83	65.02	58.40	51.36	38.49
2021	38.44	41.69	51.35	54.87	61.14	68.87	70.82	71.20	65.17	57.75	45.63	49.40
2022	36.55	43.74	50.99	55.03	65.36	70.48	73.42	70.66	64.01	54.07	48.97	40.76
2023	42.63	48.83	49.37	55.85	61.42	65.61	72.05	71.30	66.49	57.86	52.06	44.57
2024	36.58	45.59	51.73	57.86	64.27	69.94	72.97	71.94	66.98	59.06	52.55	41.75
2025	31.63	45.51	50.57	60.46	61.89	70.81	74.32	69.35	65.60	56.46	48.60	42.13
2026	37.40	42.68	55.82	61.42	63.47	69.51	74.11	72.61	72.45	M	M	M
NCEI Climatology	37.05	40.60	47.40	55.95	63.75	70.50	74.00	73.00	67.45	56.90	46.45	39.89

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
2017	65.9%	60.3%	60.2%	67.5%	70.2%	80.6%	83.5%	82.8%	81.1%	74.5%	68.8%	69.5%
2018	67.2%	75.4%	60.8%	60.1%	76.0%	81.1%	84.2%	86.6%	87.2%	78.5%	77.8%	75.8%
2019	71.6%	70.8%	59.4%	62.3%	71.6%	78.6%	85.8%	82.8%	80.5%	81.5%	66.2%	68.7%
2020	69.5%	71.8%	69.6%	59.4%	72.4%	81.7%	86.2%	87.8%	84.9%	80.5%	64.5%	71.7%
2021	71.8%	70.8%	59.0%	53.7%	69.3%	78.3%	82.9%	87.3%	83.6%	81.7%	59.1%	70.0%
2022	68.0%	64.3%	57.2%	57.3%	74.3%	75.0%	84.5%	84.5%	78.4%	68.6%	68.6%	74.2%
2023	71.7%	65.6%	56.7%	61.6%	70.8%	75.9%	82.6%	83.3%	83.0%	72.9%	58.1%	68.7%
2024	72.3%	56.4%	59.6%	62.3%	77.9%	75.8%	83.3%	78.7%	81.1%	70.9%	71.9%	70.3%
2025	61.0%	64.3%	49.6%	64.7%	79.3%	82.9%	83.8%	82.7%	80.2%	71.7%	59.0%	65.6%
2026	62.6%	60.2%	57.7%	55.6%	71.7%	79.3%	86.4%	83.8%	81.9%	M	M	M

Monthly Plots

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Aug 2026

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