IEM :: Monthly Summaries

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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 (USW00004990) 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
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	4.50	7.04	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	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	M	M	M	M	M	1.82	1.35
2017	0.07	0.47	0.13	3.34	4.23	2.75	1.34	6.01	1.93	4.73	0.07	0.00
2018	0.02	0.26	2.86	1.87	2.65	9.86	4.90	M	M	M	M	M
2019	0.00	M	0.00	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	M	0.00
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	1.05	1.26	4.62	1.86	0.72	0.12	0.95	0.01	0.65
2024	0.01	0.08	0.70	5.53	3.90	11.52	1.26	3.37	0.14	0.39	2.19	0.35
2025	M	0.02	1.46	2.20	2.29	0.82	M	M	M	M	M	M
NCEI Climatology	0.71	0.93	1.80	3.26	3.79	4.99	3.44	3.23	3.08	2.30	1.27	0.86

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	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	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
2024	M	M	M	M	M	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	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
2010	M	M	M	M	M	M	M	M	M	M	M	34.85
2011	21.44	27.39	39.79	54.58	69.72	79.37	87.98	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	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	M	M	M	M	M	50.53	29.04
2017	28.32	44.87	45.02	61.18	70.24	82.78	86.71	78.16	78.34	63.52	48.20	31.81
2018	27.80	27.69	40.34	49.18	78.77	83.75	82.95	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
2024	20.31	42.65	45.99	57.84	70.85	77.62	81.30	78.60	79.78	66.77	41.79	30.65
2025	27.40	26.06	52.46	58.59	69.90	78.05	M	M	M	M	M	M
NCEI Climatology	24.20	29.17	41.89	56.60	69.30	78.79	82.70	79.60	73.21	58.99	42.39	29.00

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	M	M	2.00
2011	-2.61	3.74	16.62	32.79	44.35	55.76	65.22	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	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	M	M	M	M	M	27.27	6.00
2017	9.06	17.97	21.95	34.63	44.20	55.94	60.11	55.71	50.77	35.11	19.11	9.00
2018	1.30	1.07	22.12	23.72	51.69	60.25	59.94	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
2024	8.93	23.51	25.25	38.44	50.06	59.49	62.65	59.96	54.25	42.31	25.58	15.55
2025	5.97	4.14	27.24	35.26	48.10	55.58	M	M	M	M	M	M
NCEI Climatology	6.40	10.88	22.80	34.10	46.70	57.50	60.61	58.70	49.21	36.60	23.00	11.80

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	M	M	18.42
2011	9.42	15.56	28.20	43.69	57.21	67.57	76.60	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	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	M	M	M	M	M	38.90	17.52
2017	18.69	31.42	33.49	47.91	57.22	69.36	73.41	66.94	64.56	49.32	33.66	20.41
2018	14.55	14.38	31.23	36.45	65.23	72.00	71.44	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
2024	14.62	33.08	35.62	48.14	60.45	68.55	71.98	69.28	67.01	54.54	33.68	23.10
2025	16.69	15.10	39.85	46.92	59.00	66.82	M	M	M	M	M	M
NCEI Climatology	15.30	20.02	32.35	45.35	58.00	68.15	71.65	69.15	61.21	47.79	32.70	20.40

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
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	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	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
2024	M	M	M	M	M	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M