IEM :: Monthly Summaries

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 () 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	0.00	0.00	M	M	M	M	M
2017	M	M	M	M	M	M	0.00	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

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2015	M	M	M	M	M	4.8	6.5	5.9	5.8	5.4	6.2	5.4
2016	5.2	6.2	5.0	5.3	5.9	6.2	6.1	5.5	5.6	6.4	5.6	5.9
2017	6.1	7.1	7.7	5.7	5.7	6.3	5.6	4.2	5.9	7.6	7.6	5.3
2018	6.1	5.6	5.1	6.3	6.0	6.2	6.5	5.5	6.8	6.1	5.1	5.4
2019	5.8	5.3	7.4	6.0	6.8	6.3	6.3	6.5	5.6	7.3	6.0	5.5
2020	4.9	6.8	6.5	7.0	6.8	6.9	5.5	5.3	7.0	5.7	6.8	5.4
2021	4.9	6.0	6.9	6.2	6.2	6.4	4.9	6.7	5.7	5.4	6.8	6.2
2022	6.2	6.0	6.2	7.2	6.9	7.6	6.1	6.0	5.1	6.2	6.4	6.4
2023	4.8	6.1	5.3	6.2	6.2	4.9	5.1	4.9	4.6	4.6	7.7	5.6
2024	5.4	5.3	6.7	6.3	7.0	6.8	5.4	5.0	5.6	3.0	5.9	6.0
2025	7.5	6.6	5.4	5.6	6.3	5.7	5.3	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	71.75	75.08	70.55	68.00	47.10	37.10	23.52
2016	13.77	14.87	33.22	40.34	62.37	67.10	74.68	73.92	64.34	47.91	40.22	14.00
2017	16.79	19.72	28.11	43.40	56.27	69.44	76.48	70.73	62.72	50.64	26.48	8.83
2018	11.39	12.36	27.70	37.00	67.00	71.72	77.87	73.46	61.13	38.91	23.35	19.86
2019	6.80	11.75	29.10	42.68	55.69	70.52	77.46	71.25	59.90	45.88	24.44	15.92
2020	16.90	18.72	33.05	41.00	58.71	70.35	78.05	72.07	58.52	38.79	31.75	18.82
2021	18.99	13.04	35.14	46.40	59.06	74.42	77.29	73.92	64.58	54.94	32.78	17.66
2022	4.82	9.24	28.63	38.54	58.54	69.20	75.14	72.47	63.50	51.57	32.00	14.58
2023	15.97	17.02	27.59	37.79	64.63	74.72	73.17	71.48	66.86	48.20	30.44	29.10
2024	14.58	24.92	28.98	46.27	60.80	68.24	76.19	73.34	71.30	53.09	36.50	19.75
2025	9.70	12.78	28.34	41.00	61.38	69.68	73.56	M	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2015	M	M	M	M	M	47.00	53.31	53.25	46.22	29.79	23.18	10.63
2016	-5.05	-7.87	7.55	16.58	34.44	45.68	52.55	51.51	46.16	34.32	23.48	0.06
2017	2.56	-0.01	4.59	21.68	32.81	45.98	50.58	44.89	43.52	33.51	10.82	-13.41
2018	-8.76	-12.02	-1.27	8.87	40.30	47.66	54.65	49.83	41.65	27.18	8.25	2.04
2019	-16.77	-13.77	5.64	20.72	31.83	42.02	52.38	48.72	42.80	31.13	13.28	-1.21
2020	-2.84	-5.74	3.61	18.98	33.97	46.05	58.17	52.90	40.40	25.03	18.10	0.30
2021	3.08	-12.74	8.77	24.26	34.73	48.32	49.42	53.60	43.04	38.39	17.48	-5.28
2022	-20.38	-21.94	2.33	20.96	37.11	46.10	53.02	51.05	39.14	32.46	19.10	-0.34
2023	-2.37	-8.69	-0.40	18.82	34.15	47.96	48.95	47.06	43.94	31.59	16.28	14.75
2024	-0.57	1.90	5.46	25.70	36.70	45.02	52.79	49.88	45.98	33.29	26.82	6.45
2025	-8.76	-7.09	2.79	17.42	33.51	43.67	50.08	M	M	M	M	M

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	59.38	64.20	61.90	57.11	38.45	30.14	17.08
2016	4.36	3.50	20.39	28.46	48.40	56.39	63.62	62.72	55.25	41.12	31.85	7.03
2017	9.67	9.85	16.35	32.54	44.54	57.71	63.53	57.81	53.12	42.07	18.65	-2.29
2018	1.31	0.17	13.22	22.93	53.65	59.69	66.26	61.64	51.39	33.05	15.80	10.95
2019	-4.99	-1.01	17.37	31.70	43.76	56.27	64.92	59.99	51.35	38.50	18.86	7.35
2020	7.03	6.49	18.33	29.99	46.34	58.20	68.11	62.48	49.46	31.91	24.92	9.56
2021	11.04	0.15	21.95	35.33	46.89	61.37	63.35	63.76	53.81	46.66	25.13	6.19
2022	-7.78	-6.35	15.48	29.75	47.82	57.65	64.08	61.76	51.32	42.02	25.55	7.12
2023	6.80	4.16	13.59	28.30	49.39	61.34	61.06	59.27	55.40	39.90	23.36	21.93
2024	7.00	13.41	17.22	35.99	48.75	56.63	64.49	61.61	58.64	43.19	31.66	13.10
2025	0.47	2.85	15.57	29.21	47.45	56.67	61.82	M	M	M	M	M

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	72.2%	74.1%	80.2%	78.0%	80.3%	86.8%	88.1%
2016	83.5%	72.1%	68.0%	66.2%	67.3%	71.7%	72.2%	76.0%	82.0%	84.6%	83.7%	86.1%
2017	84.4%	77.3%	68.0%	70.2%	65.8%	67.8%	64.9%	75.3%	81.1%	75.1%	83.7%	79.3%
2018	77.7%	71.7%	64.1%	55.8%	70.7%	68.6%	70.8%	74.9%	76.6%	87.9%	84.1%	83.1%
2019	73.2%	73.2%	66.7%	64.7%	63.4%	65.3%	72.9%	75.7%	87.1%	85.1%	87.9%	86.1%
2020	86.0%	72.9%	71.2%	67.5%	64.6%	73.2%	72.1%	79.2%	83.0%	83.0%	88.6%	87.2%
2021	89.3%	73.6%	67.6%	72.4%	70.7%	68.6%	70.4%	77.3%	81.4%	87.2%	82.6%	83.4%
2022	74.7%	70.9%	67.6%	71.0%	70.4%	68.4%	71.1%	76.9%	78.4%	78.6%	83.8%	84.9%
2023	86.5%	75.5%	64.7%	68.4%	62.2%	69.3%	72.9%	78.4%	81.5%	85.9%	78.3%	85.1%
2024	80.0%	76.4%	66.4%	64.4%	68.4%	72.7%	76.4%	75.3%	77.2%	74.3%	86.2%	84.0%
2025	73.5%	71.5%	69.3%	70.0%	62.6%	68.7%	70.1%	M	M	M	M	M