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 (USC00227815) 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
2015	M	M	M	M	M	M	M	M	M	25.60	41.45	30.52
2016	20.99	32.68	63.34	34.60	17.14	12.31	23.79	12.30	1.38	8.72	1.90	0.94
2017	0.09	10.85	12.48	22.09	25.46	19.08	6.78	28.15	12.80	10.62	6.86	41.47
2018	28.17	7.25	M	M	M	8.40	1.86	3.18	3.58	2.90	5.62	7.43
2019	3.35	12.53	0.76	3.52	5.13	6.95	5.72	1.82	M	6.05	3.22	4.48
2020	4.31	3.59	5.05	7.25	2.76	2.49	1.44	1.82	3.01	4.24	1.11	5.26
2021	2.27	5.01	6.40	2.25	2.49	13.78	5.20	6.12	M	1.98	1.54	3.71
2022	4.16	3.83	4.09	4.37	3.96	1.69	1.97	3.69	1.10	2.34	3.63	6.82
2023	5.08	0.82	3.17	2.30	1.72	2.05	1.52	1.09	1.36	0.57	1.73	0.89
2024	1.60	0.09	0.64	0.66	0.03	M	0.09	0.29	1.58	0.74	1.82	1.86
2025	0.83	0.84	1.43	1.29	1.03	1.17	M	M	M	M	M	M
NCEI Climatology	4.76	5.69	5.54	5.92	5.39	5.28	4.24	3.18	3.71	4.11	4.34	6.23

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2015	M	M	M	M	M	M	M	M	M	3.7	3.4	4.8
2016	4.6	5.1	5.1	3.8	3.4	2.6	3.6	2.0	2.3	2.6	2.3	4.2
2017	5.0	5.6	5.9	5.4	4.4	2.8	2.5	1.9	1.7	2.8	3.1	3.7
2018	4.2	1.0	0.0	0.0	0.3	3.5	1.9	2.9	2.5	3.1	4.6	4.5
2019	5.3	5.7	5.6	4.9	4.4	3.9	3.2	1.6	2.1	3.3	3.7	4.1
2020	4.9	5.5	6.0	4.4	3.9	3.7	2.5	2.7	2.7	3.0	3.2	4.3
2021	5.4	5.4	5.1	4.3	4.3	3.1	2.7	1.4	0.0	2.9	3.2	5.1
2022	5.0	5.2	5.6	5.7	4.4	2.5	3.8	2.2	1.8	3.7	3.0	4.1
2023	5.5	5.7	5.6	3.8	2.5	2.2	2.8	2.4	1.6	3.5	2.7	3.5
2024	4.5	5.5	4.4	6.6	4.0	2.7	2.6	2.1	2.0	1.9	3.6	4.1
2025	4.3	5.0	6.2	5.6	3.7	3.6	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
2015	M	M	M	M	M	M	M	M	M	73.89	67.22	63.22
2016	50.71	58.03	68.60	74.24	79.32	89.91	91.43	91.37	90.53	83.04	69.12	55.21
2017	58.37	65.85	67.69	77.76	80.00	85.59	90.94	86.97	84.65	77.19	67.08	53.63
2018	48.15	51.73	M	M	87.80	89.12	88.90	89.14	85.76	75.43	57.56	54.53
2019	51.74	60.35	62.14	72.92	82.40	85.82	88.50	90.12	93.56	75.26	60.38	58.25
2020	56.15	56.02	68.41	70.22	78.57	86.43	91.52	89.19	83.30	73.75	68.24	55.11
2021	52.85	47.30	70.38	71.60	78.97	85.82	88.73	89.25	86.80	76.03	63.26	67.42
2022	52.26	56.17	66.78	73.70	82.57	88.89	93.32	89.95	87.14	76.48	64.16	53.28
2023	58.48	62.99	66.61	72.14	81.76	88.52	90.76	91.32	88.04	78.39	65.66	59.06
2024	46.57	64.03	67.65	73.51	83.65	90.50	91.34	93.43	84.26	80.95	68.72	57.84
2025	48.08	58.42	69.92	78.38	79.26	86.80	M	M	M	M	M	M
NCEI Climatology	50.90	55.84	64.50	73.50	81.60	88.70	91.50	91.81	86.00	75.60	63.09	54.00

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2015	M	M	M	M	M	M	M	M	M	54.37	45.53	41.71
2016	29.31	35.76	44.88	50.82	57.40	68.17	72.04	72.21	63.73	51.46	39.20	33.44
2017	39.75	41.50	43.88	53.88	57.72	66.43	70.07	69.12	60.90	49.61	40.36	32.00
2018	26.05	31.77	M	M	75.20	69.80	70.35	69.05	67.64	53.19	37.94	36.01
2019	33.39	39.39	38.39	50.66	62.72	67.22	71.02	69.63	66.74	51.92	34.10	37.92
2020	38.10	36.41	49.71	49.10	57.66	66.76	72.18	68.29	63.38	50.70	40.34	32.06
2021	34.55	29.17	44.83	46.88	56.97	67.52	70.67	71.08	62.40	53.12	35.66	44.72
2022	27.65	30.52	40.19	48.68	61.79	67.10	73.81	70.67	60.20	46.17	39.62	35.34
2023	38.21	40.81	44.31	49.82	59.81	66.62	71.89	69.39	62.18	51.28	39.50	34.21
2024	27.30	38.52	44.31	52.01	64.75	68.18	71.37	68.00	64.22	50.87	48.32	38.85
2025	26.83	35.92	44.66	55.28	62.37	68.00	M	M	M	M	M	M
NCEI Climatology	33.30	36.60	43.80	52.30	61.71	69.90	73.60	72.20	66.00	53.80	42.70	35.90

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2015	M	M	M	M	M	M	M	M	M	64.13	56.38	52.46
2016	40.01	46.89	56.74	62.53	68.36	79.04	81.74	81.79	77.13	67.25	54.16	44.32
2017	49.06	53.68	55.78	65.82	68.86	76.01	80.51	78.05	72.77	63.40	53.72	42.81
2018	37.10	41.75	M	M	81.50	79.46	79.62	79.09	76.70	64.31	47.75	45.27
2019	42.57	49.87	50.26	61.79	72.56	76.52	79.76	79.87	80.15	63.59	47.24	48.08
2020	47.13	46.21	59.06	59.66	68.12	76.60	81.85	78.74	73.34	62.22	54.29	43.58
2021	43.70	38.24	57.61	59.24	67.97	76.67	79.70	80.16	74.60	64.57	49.46	56.07
2022	39.95	43.35	53.48	61.19	72.18	78.00	83.56	80.31	73.67	61.32	51.89	44.31
2023	48.35	51.90	55.46	60.98	70.79	77.57	81.33	80.35	75.11	64.84	52.58	46.63
2024	36.94	51.27	55.98	62.76	74.20	79.34	81.35	80.72	74.24	65.91	58.52	48.35
2025	37.46	47.17	57.29	66.83	70.82	77.40	M	M	M	M	M	M
NCEI Climatology	42.10	46.22	54.15	62.90	71.65	79.30	82.55	82.01	76.00	64.70	52.90	44.95

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
2015	M	M	M	M	M	M	M	M	M	78.5%	77.9%	80.6%
2016	74.9%	68.8%	72.2%	71.6%	72.2%	75.0%	77.4%	78.7%	71.8%	70.8%	74.9%	75.3%
2017	76.7%	70.5%	66.4%	71.4%	72.7%	79.0%	75.7%	81.2%	75.0%	72.4%	74.2%	68.0%
2018	64.7%	59.4%	M	M	70.0%	79.4%	83.2%	80.9%	83.6%	81.5%	81.3%	82.0%
2019	75.9%	78.6%	68.1%	74.9%	77.9%	78.9%	82.3%	82.5%	75.2%	79.3%	75.2%	81.2%
2020	77.4%	76.3%	77.2%	73.5%	74.1%	78.3%	80.8%	79.9%	80.2%	81.3%	75.1%	77.0%
2021	73.4%	77.6%	69.4%	70.7%	73.8%	80.3%	82.0%	82.4%	78.2%	81.1%	75.2%	79.1%
2022	69.7%	73.8%	66.5%	69.3%	77.2%	74.2%	76.1%	79.3%	72.9%	65.7%	75.7%	78.1%
2023	77.5%	75.1%	67.4%	71.1%	75.2%	77.3%	80.0%	77.3%	75.0%	68.7%	72.8%	73.6%
2024	77.0%	71.1%	72.6%	69.4%	76.6%	73.5%	75.2%	69.0%	78.6%	72.8%	80.1%	75.8%
2025	71.6%	71.4%	60.8%	71.3%	79.9%	82.7%	M	M	M	M	M	M

Monthly Plots

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May 2025

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