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 (USW00003974) 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	M	M	M	0.46	2.37	3.40	0.94	2.25	1.02	2.26	0.08	0.00
2018	0.18	0.05	0.72	1.01	4.82	2.20	2.42	2.29	2.30	1.59	0.33	1.59
2019	0.61	0.42	1.98	2.11	12.66	6.87	2.21	6.58	1.30	2.85	0.36	1.54
2020	1.02	1.30	1.81	2.16	6.57	1.37	3.26	0.33	1.77	1.15	0.71	1.01
2021	1.80	0.01	3.14	0.72	2.58	0.15	0.04	0.11	3.51	5.16	0.17	0.07
2022	0.01	0.23	2.66	0.57	10.79	4.22	0.63	0.76	0.40	1.21	2.34	0.71
2023	0.82	0.31	0.09	0.05	1.84	3.25	4.14	1.90	1.19	5.57	1.77	1.94
2024	1.17	0.77	1.67	2.69	2.98	3.93	1.18	4.22	2.36	0.63	6.91	0.06
2025	0.55	0.04	0.24	1.94	4.95	10.95	3.14	3.12	3.63	3.35	1.95	M
2026	0.63	1.30	0.93	0.07	0.61	0.37	0.33	0.26	0.06	M	M	M
NCEI Climatology	0.57	1.17	2.13	3.03	5.22	4.78	3.60	3.80	3.15	2.77	1.34	1.10

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2017	M	M	M	12.3	10.1	10.6	8.9	7.6	9.3	11.0	9.4	9.6
2018	10.3	10.9	11.6	12.6	9.4	11.2	6.3	9.1	8.7	8.2	8.7	9.2
2019	9.1	10.6	10.4	11.2	9.7	8.7	9.0	7.7	9.8	10.5	9.9	9.1
2020	9.6	9.9	9.7	10.8	8.9	11.5	8.2	8.1	8.4	10.3	10.5	8.2
2021	9.0	10.1	12.5	11.7	9.5	8.2	7.1	9.3	9.1	9.0	9.5	9.8
2022	9.7	11.1	11.1	13.7	11.6	9.8	8.6	8.2	9.2	8.5	10.5	10.2
2023	8.9	10.2	12.3	11.5	7.8	6.8	8.2	7.3	8.2	10.5	8.4	8.8
2024	8.6	10.1	11.6	12.0	8.5	10.4	8.9	8.1	7.3	10.1	9.4	8.1
2025	7.9	10.2	11.9	11.9	8.1	9.7	8.7	7.5	6.1	8.3	7.7	8.8
2026	9.4	8.5	12.3	12.7	10.1	10.7	8.4	9.5	9.8	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	M	M	M	56.82	76.52	86.75	91.85	85.10	84.84	71.41	57.95	46.15
2018	45.25	46.56	60.49	63.01	84.55	89.37	90.49	87.17	80.35	67.21	50.21	46.38
2019	40.67	38.91	52.61	69.28	72.07	84.01	89.31	85.93	86.32	64.12	55.08	49.08
2020	45.06	47.35	59.80	66.98	72.00	89.59	90.16	88.55	79.28	65.09	61.14	49.09
2021	43.95	34.57	61.71	65.92	70.78	85.86	88.10	91.14	86.86	72.63	59.22	57.58
2022	45.34	45.26	58.97	68.45	75.73	86.75	94.33	94.34	87.37	73.68	53.61	43.24
2023	46.28	51.85	56.28	70.31	78.32	85.94	90.30	93.66	87.49	70.70	57.94	49.00
2024	36.70	57.89	62.19	71.73	77.38	87.76	91.02	89.50	85.07	78.16	58.01	50.45
2025	36.13	42.91	66.05	69.18	75.21	85.32	90.16	83.29	81.08	72.98	61.48	51.79
2026	43.22	59.19	68.56	73.53	78.85	85.40	92.41	96.34	98.26	M	M	M
NCEI Climatology	43.20	48.35	58.70	68.20	76.80	86.29	91.60	90.10	82.50	70.20	56.60	45.19

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2017	M	M	M	41.40	54.41	64.91	69.80	64.35	61.39	48.32	37.61	26.07
2018	21.70	23.40	35.79	37.63	62.19	68.94	69.18	67.78	61.82	46.81	30.18	26.48
2019	29.15	28.39	33.90	46.69	54.76	64.12	68.66	68.75	67.31	42.14	31.30	29.34
2020	27.11	28.02	39.96	42.85	53.61	66.67	70.54	66.38	57.52	43.93	39.31	28.41
2021	27.77	16.65	39.89	43.94	54.28	66.44	68.15	68.98	63.17	50.47	37.28	31.63
2022	20.25	21.09	34.34	46.08	57.34	66.59	71.20	68.43	61.18	47.93	33.39	24.88
2023	27.17	26.71	35.32	44.32	57.16	64.56	69.50	69.42	62.45	49.44	36.98	32.54
2024	21.00	33.46	38.48	48.32	57.26	69.05	69.10	68.04	60.21	50.81	40.05	30.20
2025	18.38	21.91	39.83	48.69	53.95	65.74	70.55	66.32	61.07	53.75	38.96	28.63
2026	20.95	33.64	41.72	51.31	55.59	66.85	71.90	71.09	73.83	M	M	M
NCEI Climatology	22.70	26.23	35.10	44.69	55.10	64.80	69.31	67.50	58.79	46.72	34.71	25.60

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2017	M	M	M	49.11	65.46	75.83	80.82	74.73	73.11	59.86	47.78	36.11
2018	33.48	34.98	48.14	50.32	73.37	79.16	79.83	77.48	71.09	57.01	40.20	36.43
2019	34.91	33.65	43.25	57.99	63.42	74.06	78.99	77.34	76.81	53.13	43.19	39.21
2020	36.09	37.68	49.88	54.92	62.80	78.13	80.35	77.47	68.40	54.51	50.23	38.75
2021	35.86	25.61	50.80	54.93	62.53	76.15	78.12	80.06	75.02	61.55	48.25	44.60
2022	32.80	33.17	46.65	57.27	66.53	76.67	82.76	81.38	74.27	60.80	43.50	34.06
2023	36.73	39.28	45.80	57.31	67.74	75.25	79.90	81.54	74.97	60.07	47.46	40.77
2024	28.85	45.67	50.34	60.02	67.32	78.40	80.06	78.77	72.64	64.48	49.03	40.33
2025	27.25	32.41	52.94	58.94	64.58	75.53	80.35	74.80	71.07	63.37	50.22	40.21
2026	32.09	46.41	55.14	62.42	67.22	76.13	82.15	83.71	86.04	M	M	M
NCEI Climatology	32.95	37.29	46.90	56.45	65.95	75.55	80.45	78.80	70.65	58.46	45.65	35.40

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	M	M	M	76.8%	64.6%	66.0%	64.3%	71.1%	63.0%	62.4%	65.5%	60.7%
2018	57.3%	64.4%	58.3%	56.9%	66.0%	65.5%	65.5%	69.4%	77.7%	74.4%	69.5%	69.0%
2019	72.8%	76.1%	64.0%	62.0%	76.3%	70.0%	66.5%	76.3%	72.7%	64.8%	62.0%	68.3%
2020	74.6%	66.3%	68.7%	60.8%	69.9%	61.1%	70.1%	65.1%	70.5%	63.5%	63.3%	65.7%
2021	71.1%	69.9%	62.0%	59.1%	75.6%	71.0%	70.5%	67.0%	59.6%	64.2%	59.6%	56.4%
2022	55.5%	54.7%	56.2%	50.8%	70.9%	67.3%	57.9%	54.5%	52.4%	46.6%	67.2%	69.5%
2023	70.8%	57.6%	62.3%	50.1%	66.7%	65.4%	68.2%	58.7%	57.3%	59.7%	66.9%	73.0%
2024	75.8%	61.6%	62.0%	53.6%	69.7%	68.3%	61.4%	65.5%	61.5%	48.1%	71.5%	69.1%
2025	69.2%	63.2%	48.9%	62.9%	64.1%	72.4%	74.3%	75.7%	76.2%	70.3%	66.4%	65.3%
2026	61.9%	57.7%	56.0%	64.4%	62.6%	74.1%	64.8%	54.8%	47.5%	M	M	M

Monthly Plots

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Aug 2026

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