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 (USW00023191) 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
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	0.00	M	M	M	M	M	M	M	M
2016	3.54	0.30	1.36	0.81	0.10	0.09	0.03	0.01	0.07	0.17	0.94	3.93
2017	3.07	4.69	0.24	0.37	0.36	0.16	0.00	0.03	0.89	0.00	0.06	M
2018	0.68	0.25	1.15	0.09	0.12	0.01	0.01	M	M	M	0.64	2.37
2019	3.90	5.51	0.85	0.20	1.95	0.53	0.05	0.12	0.04	M	1.24	4.71
2020	0.27	0.45	2.59	2.76	0.25	0.13	0.06	0.07	M	M	0.16	0.45
2021	1.98	0.12	1.42	0.18	0.07	0.14	M	M	0.01	0.78	0.24	4.08
2022	0.05	0.25	1.72	0.15	0.07	0.17	0.04	M	M	0.13	0.85	1.61
2023	5.14	1.82	4.30	0.10	0.14	0.23	0.04	0.21	0.16	0.10	0.35	1.58
2024	2.50	6.25	1.98	0.35	0.27	0.12	M	M	M	0.06	0.17	0.23
2025	0.29	1.20	0.99	M	M	M	M	M	M	M	M	M
NCEI Climatology	3.04	2.91	1.67	0.78	0.36	0.21	0.08	0.01	0.12	0.48	0.97	2.22

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
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
2014	M	M	M	M	M	M	M	M	M	M	71.89	62.81
2015	67.03	68.11	72.71	67.70	61.16	67.03	69.74	74.35	77.13	75.39	66.30	60.42
2016	57.81	70.52	60.94	65.13	59.16	69.60	70.35	68.71	72.07	70.00	72.70	61.19
2017	58.90	59.29	67.90	68.20	65.77	72.23	74.13	71.90	75.47	77.61	71.33	70.13
2018	69.19	64.67	61.90	66.27	62.13	66.63	77.48	76.54	M	74.75	69.77	62.55
2019	61.87	55.46	61.03	66.87	61.39	65.40	72.32	72.81	78.20	76.71	72.07	60.84
2020	63.81	64.52	59.61	64.97	69.81	70.10	70.32	78.10	82.23	85.33	71.40	68.10
2021	66.35	63.07	61.35	65.40	51.16	6.05	26.17	72.83	63.13	61.03	-13.80	-91.65
2022	-93.26	-94.61	-94.71	-96.13	-96.26	-98.90	-98.12	M	M	71.11	65.83	62.19
2023	59.35	59.79	57.52	61.80	59.87	62.13	76.81	75.26	71.07	74.29	70.10	64.03
2024	59.97	57.62	58.74	61.13	58.52	66.37	71.94	75.77	73.10	73.55	65.13	64.19
2025	61.81	63.61	57.27	M	M	M	M	M	M	M	M	M
NCEI Climatology	61.79	60.20	61.40	63.90	67.00	69.79	76.70	78.99	78.30	72.61	66.70	60.31

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	M	M	M	M	M	M	M	M	M	M	55.46	50.97
2015	50.32	51.00	52.68	51.13	50.94	53.53	57.90	59.71	63.30	62.68	53.23	49.03
2016	48.55	54.72	50.48	52.80	51.13	55.33	57.71	57.94	59.30	57.55	54.63	48.35
2017	46.42	47.50	49.52	49.43	50.55	54.00	57.32	57.87	59.57	58.00	53.87	51.03
2018	51.23	47.48	47.35	48.50	49.97	52.73	59.42	61.62	M	56.33	53.23	49.16
2019	48.52	43.50	47.29	49.50	50.13	52.57	55.77	56.03	58.63	54.74	51.07	47.48
2020	46.97	45.83	45.74	49.63	52.61	53.77	55.81	59.94	60.60	63.78	50.30	48.55
2021	48.10	47.04	44.61	47.57	22.52	-36.13	11.50	54.39	39.67	38.68	-46.40	-98.00
2022	-98.68	-98.96	-98.58	-99.00	-99.00	-99.00	-99.00	M	M	56.93	50.73	48.71
2023	47.48	45.32	45.39	47.60	50.58	53.00	57.94	59.00	58.63	57.13	56.25	51.84
2024	49.90	48.48	48.84	48.83	49.52	54.27	56.58	58.94	60.47	57.77	51.57	51.06
2025	48.42	49.57	47.36	M	M	M	M	M	M	M	M	M
NCEI Climatology	50.20	49.21	49.20	50.09	52.00	54.80	59.30	62.20	62.71	58.00	53.70	49.40

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	M	M	M	M	M	M	M	M	M	M	63.68	56.89
2015	58.68	59.55	62.69	59.42	56.05	60.28	63.82	67.03	70.22	69.03	59.77	54.73
2016	53.18	62.62	55.71	58.97	55.15	62.47	64.03	63.32	65.68	63.77	63.67	54.77
2017	52.66	53.39	58.71	58.82	58.16	63.12	65.73	64.89	67.52	67.81	62.60	60.58
2018	60.21	56.07	54.63	57.38	56.05	59.68	68.45	69.08	M	65.54	61.50	55.85
2019	55.19	49.48	54.16	58.18	55.76	58.98	64.05	64.42	68.42	65.73	61.57	54.16
2020	55.39	55.17	52.68	57.30	61.21	61.93	63.06	69.02	71.42	74.56	60.85	58.32
2021	57.23	55.05	52.98	56.48	36.84	-10.32	18.83	63.55	51.40	49.85	-30.10	-94.82
2022	-95.97	-96.79	-96.65	-97.57	-97.63	-98.95	-98.56	M	M	64.02	58.28	55.45
2023	53.42	52.55	51.45	54.70	55.23	57.57	67.37	67.13	64.85	65.71	63.17	57.94
2024	54.94	53.05	53.79	54.98	54.02	60.32	64.26	67.35	66.78	65.66	58.35	57.63
2025	55.11	56.59	52.32	M	M	M	M	M	M	M	M	M
NCEI Climatology	56.00	54.71	55.30	56.99	59.50	62.30	68.00	70.59	70.51	65.30	60.20	54.85

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
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