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 (USC00486555) 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
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	0.00	0.00	0.00	0.00	0.10	M	0.00	0.10	0.00
2025	0.10	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	0.61	0.58	0.76	1.10	1.36	0.91	1.10	0.82	1.28	0.98	0.76	0.79

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
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
2016	M	M	M	M	M	M	M	M	M	M	43.91	34.61
2017	33.78	39.55	45.65	45.85	52.59	65.84	71.07	68.49	58.81	52.54	46.61	40.32
2018	41.36	33.81	40.05	48.93	54.96	67.26	72.46	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	29.69	33.66	34.53	43.45	46.76	65.17	68.87	67.73	62.06	54.07	35.50	37.53
2025	27.76	34.29	39.67	M	M	M	M	M	M	M	M	M
NCEI Climatology	32.00	33.74	43.79	52.30	62.60	72.61	79.70	78.10	70.00	56.90	41.30	31.29

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2016	M	M	M	M	M	M	M	M	M	M	14.12	-0.80
2017	-0.61	10.66	19.51	15.04	25.83	35.09	42.08	39.19	30.94	20.01	17.46	7.51
2018	7.51	2.00	10.39	16.97	28.50	34.98	41.64	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	11.08	13.03	15.15	23.74	27.89	42.72	41.76	42.36	36.35	29.93	10.15	13.60
2025	1.78	13.17	15.52	M	M	M	M	M	M	M	M	M
NCEI Climatology	10.90	11.31	19.50	25.10	32.81	39.99	46.70	45.20	37.20	27.90	17.20	10.59

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2016	M	M	M	M	M	M	M	M	M	M	29.02	16.90
2017	16.58	25.10	32.58	30.45	39.21	50.53	56.58	53.84	44.88	36.27	32.04	23.91
2018	24.44	17.91	25.22	32.95	41.73	51.12	57.05	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	20.38	23.34	24.84	33.60	37.32	53.95	55.31	55.04	49.20	42.00	22.83	25.56
2025	14.77	23.73	27.60	M	M	M	M	M	M	M	M	M
NCEI Climatology	21.45	22.53	31.65	38.70	47.70	56.30	63.20	61.65	53.60	42.40	29.25	20.94

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
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