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 (USC00425138) 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	0.00	0.00	0.10	0.90	0.90	0.00	0.40	0.00	0.10	0.70	0.50	0.00
2016	0.90	0.10	0.80	0.75	0.50	0.00	0.20	0.00	0.60	0.40	M	0.00
2017	0.00	0.00	M	M	M	0.00	M	0.00	0.00	0.00	0.00	0.00
2018	0.00	0.00	M	0.30	0.00	0.00	0.00	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	0.00
2021	0.20	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	0.00	M	M	M	0.00	M	M	0.00	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	0.81	1.33	1.34	1.40	1.49	0.76	0.64	0.73	0.87	1.14	0.77	1.07

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	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	47.25	56.80	62.88	62.50	61.60	91.30	90.40	92.44	83.31	70.46	49.76	38.25
2016	35.90	38.38	53.90	61.27	68.95	90.80	88.00	89.00	77.20	73.00	M	31.50
2017	28.50	32.00	M	M	M	94.00	M	95.00	79.67	68.00	60.55	45.50
2018	48.00	41.00	M	66.00	73.50	89.00	96.00	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	35.90
2021	33.00	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	90.00	M	M	80.00	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	38.39	44.07	54.11	61.21	71.90	84.19	92.80	90.80	80.30	65.40	50.51	38.30

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	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	23.75	22.80	30.50	32.20	42.00	55.70	55.60	56.67	50.54	42.46	24.41	13.62
2016	16.05	16.62	27.60	36.18	41.37	55.90	59.00	52.67	43.80	41.29	M	15.50
2017	5.50	13.50	M	M	M	53.00	M	63.00	50.67	46.00	32.09	13.50
2018	11.00	10.67	M	34.00	40.75	55.33	62.00	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	12.70
2021	11.25	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	28.00	M	M	M	56.00	M	M	40.00	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	16.40	21.52	27.79	33.10	41.50	50.60	59.00	57.40	47.50	34.50	24.70	15.81

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	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	35.50	39.80	46.69	47.35	51.80	73.50	73.00	74.56	66.92	56.46	37.09	25.94
2016	25.98	27.50	40.75	48.73	55.16	73.35	73.50	70.83	60.50	57.14	M	23.50
2017	17.00	22.75	M	M	M	73.50	M	79.00	65.17	57.00	46.32	29.50
2018	29.50	25.83	M	50.50	57.12	72.17	79.00	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	24.30
2021	22.12	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	73.00	M	M	60.00	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	27.40	32.79	40.95	47.16	56.70	67.40	75.90	74.10	63.90	49.95	37.61	27.05

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