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 (USW00023157) 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	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	1.14	0.92	0.55	0.22	0.23	0.13	0.18	0.07	0.11	0.35	0.31	0.66

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	16.00
2011	37.81	30.71	35.45	44.30	44.84	57.00	59.55	60.48	55.70	48.45	39.40	32.74
2012	38.03	35.86	38.06	44.50	38.65	-22.00	-22.00	-22.00	-22.00	M	28.60	39.64
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	M	M	45.17	39.87	35.10
2015	39.65	43.46	43.74	39.67	40.39	57.93	62.39	77.65	82.57	79.70	40.58	33.97
2016	49.77	78.00	73.68	78.10	86.03	100.80	M	M	M	M	M	M
2017	M	M	M	M	146.60	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	47.99	47.93	45.47	M
2020	M	M	M	M	M	M	M	M	M	M	37.12	36.50
2021	M	M	M	M	M	M	M	M	56.78	44.54	45.61	31.15
2022	38.98	35.85	38.27	39.96	46.05	55.03	62.88	62.38	57.05	57.90	M	M
2023	M	M	M	M	M	M	M	M	M	42.61	37.34	41.46
2024	30.37	27.68	27.49	39.14	82.20	M	M	59.37	55.11	M	42.40	39.67
2025	31.86	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	56.29	59.42	67.09	73.70	82.80	93.51	99.70	98.00	89.99	77.60	64.18	54.50

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	-9.00
2011	17.81	8.39	11.29	15.27	17.61	30.20	41.06	43.55	38.37	30.23	16.13	13.74
2012	17.77	11.10	11.30	17.30	17.90	-22.00	-22.00	-22.00	-22.00	M	16.36	19.27
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	M	M	32.42	23.70	13.26
2015	19.68	20.75	21.23	18.33	24.48	41.33	45.74	57.97	56.43	53.61	21.83	17.45
2016	34.03	57.76	54.19	59.50	64.48	79.67	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	27.42	27.52	25.69	M
2020	M	M	M	M	M	M	M	M	M	M	15.25	16.77
2021	M	M	M	M	M	M	M	M	38.30	21.85	25.13	11.12
2022	15.79	13.15	15.32	17.75	24.95	35.48	45.48	43.97	39.99	39.90	M	M
2023	M	M	M	M	M	M	M	M	M	25.91	23.32	20.84
2024	14.87	11.66	11.21	18.52	24.23	M	M	43.48	37.73	M	17.72	19.37
2025	15.12	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	23.50	26.47	31.30	36.69	44.21	51.40	56.69	54.01	47.20	37.40	26.99	22.10

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	3.50
2011	27.81	19.55	23.37	29.78	31.23	43.60	50.31	52.02	47.03	39.34	27.77	23.24
2012	27.90	23.48	24.80	30.90	28.27	-22.00	-22.00	-22.00	-22.00	M	22.48	29.45
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	M	M	38.79	31.78	24.18
2015	29.66	32.11	32.48	29.00	32.44	49.63	54.06	67.81	69.50	65.26	31.21	25.71
2016	41.90	67.88	63.94	68.80	75.26	90.20	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	37.70	37.73	35.58	M
2020	M	M	M	M	M	M	M	M	M	M	26.18	26.64
2021	M	M	M	M	M	M	M	M	47.54	33.19	35.37	21.13
2022	27.38	24.50	26.80	28.86	35.50	45.26	54.18	53.18	48.52	48.90	M	M
2023	M	M	M	M	M	M	M	M	M	34.26	30.33	31.15
2024	22.62	19.67	19.35	28.83	53.21	M	M	51.43	46.42	M	30.06	29.52
2025	23.49	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	39.90	42.94	49.19	55.20	63.50	72.45	78.19	76.00	68.60	57.50	45.59	38.30

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