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
2007	M	M	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	0.00	0.00	0.00	0.00	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	0.00	0.00	0.00	0.00	0.00
2012	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2013	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M
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	0.00	0.00	M	M	M	M	M
2017	M	M	M	M	M	M	0.00	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
2007	M	M	M	M	M	M	1.8	2.3	1.9	3.8	M	M
2008	M	M	M	M	M	M	M	M	M	7.0	5.6	4.6
2009	4.6	3.5	3.1	3.1	2.4	2.9	2.9	4.1	4.3	4.4	4.2	4.7
2010	3.2	3.1	3.9	3.6	3.8	2.3	3.3	3.7	4.8	4.5	4.1	4.1
2011	3.2	3.0	3.4	2.5	3.0	2.7	3.0	3.9	4.5	5.0	4.4	4.0
2012	3.7	2.7	2.7	2.2	2.0	1.2	2.8	4.5	4.1	4.8	4.9	3.4
2013	4.1	2.4	2.3	2.3	1.4	1.4	1.4	3.4	3.4	4.1	4.9	4.0
2014	3.5	4.3	3.6	4.2	3.4	3.7	3.8	4.2	5.6	6.3	5.6	5.1
2015	3.9	4.1	4.5	3.7	4.1	3.5	3.6	4.6	4.7	5.9	5.0	5.1
2016	5.0	3.8	4.1	4.6	3.7	2.9	3.7	2.8	4.3	4.3	4.0	4.0
2017	3.1	2.9	3.1	2.9	2.6	2.5	2.6	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 Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	M	M	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	85.33	85.00	84.45	77.52	M	M	M	M	M	M	86.00	M
2010	84.20	M	M	M	66.20	M	M	78.80	M	M	70.70	81.24
2011	86.64	M	M	68.00	55.40	57.20	M	62.78	73.10	77.17	79.34	81.35
2012	84.37	90.41	87.28	79.52	77.87	71.72	67.04	78.74	76.34	78.56	82.28	87.00
2013	83.15	84.59	79.44	79.58	73.69	68.48	69.74	69.28	74.12	76.30	81.80	84.84
2014	90.12	89.79	81.94	78.80	71.77	69.08	70.44	73.69	74.00	80.02	82.82	85.65
2015	87.63	84.39	82.34	77.54	73.86	72.98	69.08	79.90	71.96	73.10	76.32	82.69
2016	84.72	85.19	81.99	78.63	68.87	64.28	70.03	72.82	74.14	76.58	82.52	85.52
2017	87.10	90.24	83.21	77.54	73.98	73.16	72.93	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 Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	M	M	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	71.50	72.08	72.09	65.72	M	M	M	M	M	M	86.00	M
2010	84.20	M	M	M	66.20	M	M	78.80	M	M	70.70	68.99
2011	73.66	M	M	68.00	55.40	57.20	M	55.94	56.84	64.69	64.88	67.07
2012	67.54	71.29	68.58	63.26	57.61	51.44	51.44	60.05	59.96	68.06	65.48	73.40
2013	67.02	70.19	65.39	59.30	53.54	54.38	47.91	49.77	56.60	60.05	62.90	67.71
2014	69.68	70.76	67.30	63.38	56.62	53.72	52.79	52.32	59.96	62.43	65.12	68.81
2015	71.02	69.03	67.42	62.54	58.30	50.96	54.32	59.58	56.96	61.46	64.52	69.57
2016	68.64	70.61	65.62	65.09	54.27	45.02	49.71	52.03	54.84	60.73	64.58	70.64
2017	73.05	74.81	70.90	64.64	61.90	53.24	49.81	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 Daily Temperature (high+low)/2 [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	M	M	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	78.42	78.54	78.27	71.62	M	M	M	M	M	M	86.00	M
2010	84.20	M	M	M	66.20	M	M	78.80	M	M	70.70	75.11
2011	80.15	M	M	68.00	55.40	57.20	M	59.36	64.97	70.93	72.11	74.21
2012	75.95	80.85	77.93	71.39	67.74	61.58	59.24	69.39	68.15	73.31	73.88	80.20
2013	75.09	77.39	72.41	69.44	63.62	61.43	58.83	59.52	65.36	68.17	72.35	76.27
2014	79.90	80.28	74.62	71.09	64.20	61.40	61.61	63.01	66.98	71.22	73.97	77.23
2015	79.32	76.71	74.88	70.04	66.08	61.97	61.70	69.74	64.46	67.28	70.42	76.13
2016	76.68	77.90	73.81	71.86	61.57	54.65	59.87	62.43	64.49	68.66	73.55	78.08
2017	80.08	82.53	77.06	71.09	67.94	63.20	61.37	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 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
2007	M	M	M	M	M	M	78.6%	81.5%	81.2%	80.2%	M	M
2008	M	M	M	M	M	M	M	M	M	70.8%	79.6%	73.6%
2009	79.1%	81.0%	78.4%	77.8%	79.0%	79.7%	81.7%	77.8%	81.9%	77.7%	80.6%	77.0%
2010	80.3%	77.3%	78.2%	79.9%	85.3%	83.9%	79.6%	76.0%	77.4%	75.2%	74.6%	77.7%
2011	81.5%	83.1%	79.3%	79.7%	80.4%	79.7%	84.0%	78.8%	75.0%	73.5%	73.3%	74.3%
2012	79.0%	76.3%	69.8%	76.2%	78.9%	81.7%	79.9%	73.6%	74.2%	75.4%	74.9%	70.7%
2013	75.1%	82.0%	83.4%	79.8%	81.6%	87.5%	81.1%	80.5%	78.9%	76.7%	74.6%	78.6%
2014	78.5%	78.8%	84.3%	82.1%	84.7%	86.8%	84.1%	78.4%	83.1%	77.8%	74.7%	77.3%
2015	81.3%	84.3%	84.4%	86.2%	85.2%	81.4%	86.5%	77.9%	84.7%	85.1%	84.3%	83.3%
2016	80.9%	83.0%	82.9%	82.8%	83.3%	82.4%	78.4%	80.0%	74.5%	78.9%	70.0%	75.5%
2017	78.5%	75.8%	79.0%	82.4%	87.8%	83.3%	79.3%	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