IEM :: Monthly Summaries

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.

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	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	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

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	M	M	M	M	M	M	M	M	M	M	24.5	13.2
2015	10.0	M	M	M	0.0	0.0	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	0.6	0.0	0.0	0.0	0.0	0.0
2018	0.0	0.0	0.0	0.0	0.0	M	M	M	M	M	M	M
2019	M	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2020	M	M	M	M	2.3	0.0	0.0	0.0	0.0	0.3	0.0	0.0
2021	0.0	0.0	0.0	0.0	0.0	0.0	0.0	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

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	M	M	M	M	47.23	43.38
2015	43.31	M	41.00	M	55.40	57.20	M	64.40	53.60	51.80	M	M
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	62.60	69.67	69.28	61.88	56.85	47.06	41.93
2018	40.64	35.28	36.94	53.00	53.00	M	M	M	M	M	M	M
2019	M	46.17	47.62	50.24	56.33	67.45	69.88	71.54	63.08	56.33	47.27	44.50
2020	M	M	M	M	61.49	66.02	66.95	71.66	65.78	56.60	49.88	42.45
2021	38.10	39.65	45.24	48.08	56.39	68.54	71.60	62.60	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

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	M	M	M	M	45.15	39.03
2015	42.29	M	41.00	M	51.80	53.60	M	64.40	53.60	48.20	M	M
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	62.60	59.13	58.88	54.80	51.68	41.42	37.65
2018	35.60	29.88	31.54	41.96	43.40	M	M	M	M	M	M	M
2019	M	37.79	39.37	42.86	46.52	56.78	60.64	60.92	55.28	49.30	41.56	39.60
2020	M	M	M	M	51.11	57.44	56.74	62.48	55.82	50.54	44.18	37.98
2021	33.74	32.58	36.18	39.50	46.81	58.28	62.66	60.80	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

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	M	M	M	M	46.19	41.20
2015	42.80	M	41.00	M	53.60	55.40	M	64.40	53.60	50.00	M	M
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	62.60	64.40	64.08	58.34	54.27	44.24	39.79
2018	38.12	32.58	34.24	47.48	48.20	M	M	M	M	M	M	M
2019	M	41.98	43.50	46.55	51.42	62.12	65.26	66.23	59.18	52.82	44.41	42.05
2020	M	M	M	M	56.30	61.73	61.85	67.07	60.80	53.57	47.03	40.22
2021	35.92	36.11	40.71	43.79	51.60	63.41	67.13	61.70	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

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	M	M	M	M	90.5%	88.8%
2015	88.7%	M	M	M	78.4%	77.7%	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	82.4%	78.4%	83.2%	84.3%	86.5%	87.9%
2018	87.8%	80.1%	84.8%	83.7%	76.9%	M	M	M	M	M	M	M
2019	M	82.4%	82.9%	77.8%	76.1%	81.2%	80.3%	77.9%	79.3%	84.0%	89.6%	87.0%
2020	M	M	M	M	75.9%	78.7%	75.8%	79.8%	76.7%	83.5%	86.9%	89.1%
2021	87.3%	82.9%	82.6%	73.4%	82.0%	78.4%	78.0%	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