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 (USC00218618) 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
2014	M	M	M	M	M	M	M	1.01	0.08	0.44	0.10	0.06
2015	0.06	0.10	0.36	0.54	6.29	2.44	3.51	2.05	2.21	1.44	1.40	0.41
2016	0.09	0.25	0.56	1.03	2.41	1.69	2.86	3.54	3.12	0.52	0.48	0.45
2017	0.15	0.31	0.43	1.36	0.77	2.03	0.67	3.69	4.15	1.35	0.00	0.27
2018	M	0.19	0.26	0.13	1.71	2.74	0.06	0.06	0.77	2.49	0.02	0.24
2019	0.13	0.11	0.86	1.05	2.20	2.95	1.69	3.39	3.90	3.50	0.31	0.58
2020	0.31	M	0.05	0.70	0.55	1.27	4.89	5.16	0.90	0.77	0.62	0.05
2021	0.21	M	0.39	2.01	0.46	2.32	1.17	2.71	1.61	4.52	0.71	1.11
2022	0.02	0.03	0.46	2.87	3.13	3.11	4.03	3.08	1.39	0.70	0.70	0.54
2023	0.07	0.23	0.66	0.94	2.36	2.07	1.80	2.27	2.12	1.64	0.13	1.27
2024	0.02	0.14	0.12	1.72	4.04	2.75	0.25	0.05	0.07	0.76	1.66	0.30
2025	0.01	0.09	0.30	2.15	1.22	1.32	M	M	M	M	M	M
NCEI Climatology	0.75	0.77	1.18	2.18	3.32	4.29	4.11	3.21	3.37	2.75	1.26	0.82

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	M	M	M	M	M	M	5.8	3.5	6.2	7.1	7.0	6.1
2015	6.5	6.4	7.0	7.0	5.4	4.3	5.7	6.5	5.8	7.6	7.1	6.4
2016	6.6	7.5	5.1	8.3	6.8	6.8	5.4	5.3	6.8	7.2	6.6	9.0
2017	6.6	7.5	6.8	7.2	7.1	6.6	5.0	4.3	6.4	8.4	8.0	7.0
2018	7.3	7.4	6.0	7.3	5.7	5.2	5.0	5.1	6.3	7.7	6.7	6.4
2019	5.9	5.9	7.1	6.8	6.8	5.6	4.7	5.6	6.7	8.4	7.3	6.2
2020	5.7	6.8	6.8	7.0	6.5	6.4	5.1	4.9	6.2	7.2	8.0	6.1
2021	5.3	6.8	7.5	7.0	6.5	5.0	4.3	6.8	5.9	5.6	6.8	6.6
2022	6.7	7.3	7.0	7.4	7.1	6.8	5.5	4.7	5.2	6.7	7.2	6.5
2023	5.0	6.6	6.4	7.4	6.1	4.4	4.2	4.8	5.1	6.3	7.3	5.8
2024	5.8	6.5	7.5	7.7	6.8	6.3	4.6	5.2	6.2	7.2	6.7	6.7
2025	7.7	6.8	6.7	6.6	6.6	5.1	M	M	M	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
2014	M	M	M	M	M	M	79.52	74.67	66.43	53.36	26.48	25.26
2015	20.41	13.83	39.87	55.44	62.68	73.21	78.52	74.43	71.14	55.70	42.29	28.92
2016	19.24	26.30	42.16	48.85	66.56	72.31	76.48	75.58	66.03	54.80	46.38	20.39
2017	21.58	29.81	35.28	52.46	62.19	73.34	78.26	71.95	68.01	54.04	33.48	17.30
2018	18.88	18.65	34.82	43.36	72.00	74.19	77.05	75.48	63.83	44.82	26.99	25.92
2019	10.94	13.28	32.04	48.13	58.72	67.23	77.90	72.78	64.99	47.43	30.29	23.23
2020	19.47	25.20	37.62	48.06	61.36	77.34	79.68	75.94	63.45	44.44	41.52	26.69
2021	24.46	13.43	44.21	49.49	66.14	79.85	80.94	79.14	71.70	64.38	37.15	24.21
2022	13.97	16.56	32.74	39.31	63.29	71.93	76.86	75.52	68.36	55.07	35.12	17.49
2023	21.54	26.13	31.31	45.75	70.70	77.10	76.20	75.72	71.57	53.15	38.74	33.60
2024	20.87	34.02	36.83	52.24	64.01	72.19	78.97	74.96	76.19	59.77	37.33	23.96
2025	16.98	19.22	41.16	49.91	68.23	70.25	M	M	M	M	M	M
NCEI Climatology	19.30	25.60	37.80	52.00	66.00	74.60	78.99	76.71	68.01	53.29	37.20	24.80

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	M	M	M	M	M	M	56.84	55.70	47.09	35.54	12.12	13.00
2015	3.73	-6.05	19.64	31.65	41.12	51.18	58.02	54.08	51.54	37.56	27.68	18.07
2016	3.41	8.62	24.05	30.85	42.83	52.18	57.65	56.03	48.79	38.04	31.78	5.94
2017	4.05	10.26	14.98	32.10	41.81	50.41	55.25	51.85	48.40	35.92	17.51	1.83
2018	-0.73	-3.40	16.24	22.06	45.38	53.99	57.00	55.62	46.78	32.46	14.35	11.13
2019	-1.47	2.31	13.77	30.75	39.52	50.56	56.93	53.31	49.86	34.13	18.44	6.36
2020	4.11	0.98	18.98	25.46	41.10	54.40	58.09	55.10	43.53	29.21	23.68	11.33
2021	9.34	-4.53	23.41	30.56	41.81	53.84	57.80	57.84	48.73	48.22	22.77	5.93
2022	-10.29	-10.57	13.98	25.05	43.51	50.04	57.39	55.80	47.93	36.25	21.64	4.56
2023	6.66	2.70	8.85	26.91	46.56	56.59	53.23	55.87	53.02	38.33	22.20	23.40
2024	7.18	16.02	17.95	33.13	43.61	50.34	58.01	55.96	52.56	38.84	26.68	11.39
2025	-1.90	-1.45	20.05	30.15	44.09	49.31	M	M	M	M	M	M
NCEI Climatology	0.70	4.41	17.60	30.90	44.40	54.60	59.09	57.31	48.80	36.30	21.80	8.21

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	M	M	M	M	M	M	68.18	65.18	56.76	44.45	19.30	19.13
2015	12.07	3.89	29.76	43.54	51.90	62.20	68.27	64.25	61.34	46.63	34.98	23.49
2016	11.33	17.46	33.10	39.85	54.70	62.25	67.07	65.81	57.41	46.42	39.08	13.16
2017	12.81	20.03	25.13	42.28	52.00	61.88	66.75	61.90	58.20	44.98	25.50	9.56
2018	9.08	7.62	25.53	32.71	58.69	64.09	67.03	65.55	55.31	38.64	20.67	18.52
2019	4.73	7.79	22.90	39.44	49.12	58.89	67.41	63.05	57.42	40.78	24.37	14.79
2020	11.79	13.09	28.30	36.76	51.23	65.87	68.89	65.52	53.49	36.82	32.60	19.01
2021	16.90	4.45	33.81	40.03	53.97	66.84	69.37	68.49	60.21	56.30	29.96	15.07
2022	1.84	2.99	23.36	32.18	53.40	60.99	67.13	65.66	58.14	45.66	28.38	11.03
2023	14.10	14.41	20.08	36.33	58.63	66.84	64.71	65.80	62.30	45.74	30.47	28.50
2024	14.02	25.02	27.39	42.69	53.81	61.26	68.49	65.46	64.37	49.30	32.00	17.67
2025	7.54	8.89	30.60	40.03	56.16	59.78	M	M	M	M	M	M
NCEI Climatology	10.00	15.01	27.70	41.45	55.20	64.60	69.04	67.01	58.40	44.80	29.50	16.50

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
2014	M	M	M	M	M	M	60.8%	81.4%	76.8%	71.0%	75.3%	83.4%
2015	75.9%	68.8%	63.1%	51.5%	69.3%	73.6%	74.0%	77.9%	76.5%	72.1%	80.2%	85.8%
2016	81.4%	74.8%	73.2%	65.2%	60.4%	73.7%	77.7%	79.5%	79.6%	76.0%	78.5%	78.3%
2017	80.1%	73.2%	67.0%	65.3%	63.1%	68.9%	75.3%	79.9%	81.2%	70.1%	77.5%	78.4%
2018	74.9%	68.1%	66.6%	56.8%	61.1%	77.2%	76.2%	78.9%	80.6%	78.4%	81.2%	81.4%
2019	75.9%	76.1%	73.6%	69.3%	66.8%	77.4%	77.4%	78.2%	85.6%	76.3%	79.4%	81.8%
2020	82.0%	72.7%	71.7%	60.9%	62.0%	70.5%	77.3%	81.7%	78.5%	71.7%	73.3%	83.3%
2021	83.8%	72.3%	64.0%	67.5%	58.6%	66.2%	71.8%	71.0%	72.0%	80.0%	74.3%	78.2%
2022	75.6%	70.8%	67.7%	77.3%	68.5%	64.3%	79.8%	82.4%	79.2%	71.0%	78.5%	82.1%
2023	87.8%	71.4%	70.4%	67.8%	59.4%	75.7%	77.2%	80.3%	83.2%	81.1%	75.6%	86.8%
2024	84.1%	75.4%	65.3%	64.7%	70.0%	75.4%	79.2%	83.3%	73.6%	66.3%	84.4%	87.1%
2025	72.4%	69.3%	64.0%	66.7%	59.7%	75.2%	M	M	M	M	M	M

Monthly Plots

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May 2025

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