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
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	0.00	2.81	0.10
2018	0.57	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	0.04	0.51	M	M	M
2020	M	M	0.40	M	M	M	M	M	M	M	M	M
2021	M	M	M	0.15	0.26	M	M	M	M	3.17	0.19	0.39
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	0.63	0.02	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	0.18	0.18	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
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
2015	M	M	M	M	M	M	M	M	M	59.00	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	65.33	54.93	51.97
2018	49.40	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	74.67	77.68	68.88	64.29	63.25	M
2020	M	53.09	47.52	57.00	M	M	M	M	M	M	M	M
2021	M	M	M	62.23	70.35	80.13	M	M	62.00	60.61	60.60	49.62
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	70.69	88.04	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	63.80	45.40	M
2025	M	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
2015	M	M	M	M	M	M	M	M	M	35.33	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	37.67	28.93	22.77
2018	28.40	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	50.67	47.35	39.50	18.94	23.42	M
2020	M	22.73	15.74	27.00	M	M	M	M	M	M	M	M
2021	M	M	M	25.27	32.03	39.67	M	M	29.00	26.19	24.43	16.00
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	41.04	48.96	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	32.93	19.15	M
2025	M	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
2015	M	M	M	M	M	M	M	M	M	47.17	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	51.50	41.93	37.37
2018	38.90	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	62.67	62.52	54.19	41.61	43.33	M
2020	M	37.91	31.63	42.00	M	M	M	M	M	M	M	M
2021	M	M	M	43.75	51.19	59.90	M	M	45.50	43.40	42.52	32.81
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	55.87	68.50	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	48.37	32.27	M
2025	M	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
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