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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 () 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
2009	M	M	M	M	M	M	M	M	18.91	11.65	1.25	0.76
2010	14.79	0.18	0.34	2.17	35.41	4.06	12.40	4.03	4.29	1.23	1.85	0.36
2011	0.80	0.39	0.62	1.90	3.97	4.55	4.33	1.88	2.25	1.17	0.85	0.53
2012	0.80	0.73	1.72	0.91	2.70	2.13	4.46	1.69	0.81	3.97	0.72	0.48
2013	1.72	0.76	0.76	1.23	3.16	1.27	2.93	0.95	M	0.33	1.47	1.38
2014	1.84	1.63	1.93	1.26	3.51	8.10	2.35	3.18	1.58	2.06	1.37	1.09
2015	1.13	1.18	0.95	0.89	3.94	3.40	4.72	2.26	2.25	2.24	3.61	1.59
2016	0.73	1.09	2.41	2.68	3.13	5.10	5.75	5.59	4.71	1.78	1.85	1.89
2017	1.39	1.36	0.92	1.87	1.18	3.77	0.36	M	2.96	3.36	1.48	1.94
2018	1.19	0.49	0.10	0.05	3.46	0.97	0.27	1.39	7.44	3.09	0.14	0.81
2019	0.61	1.10	1.16	0.92	2.03	0.85	11.96	0.10	M	M	M	M
2020	M	M	M	M	M	3.29	1.58	1.01	2.45	1.22	0.43	0.51
2021	1.24	0.13	0.27	2.80	2.31	2.31	3.15	3.11	2.25	5.47	2.69	1.29
2022	1.20	1.69	0.71	6.73	5.48	2.90	5.89	3.57	1.11	1.02	1.48	1.67
2023	0.39	0.45	0.70	1.67	1.74	3.30	3.48	2.15	2.12	2.61	1.63	0.99
2024	0.55	1.60	1.33	0.75	4.93	5.93	5.56	2.36	2.89	1.04	2.22	2.00
2025	0.82	0.82	2.28	2.54	0.04	3.14	2.24	3.71	0.57	4.55	0.06	M

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2009	M	M	M	M	M	M	M	M	16.1	13.6	6.4	6.4
2010	12.9	15.1	21.5	18.0	17.5	5.1	5.4	5.7	6.6	6.0	5.8	5.1
2011	4.5	5.7	5.3	5.6	6.2	5.8	5.2	4.9	5.7	5.5	5.8	5.6
2012	5.1	4.7	5.6	5.8	6.1	5.1	4.8	5.0	5.3	5.6	4.5	4.1
2013	5.3	5.2	5.2	6.3	6.7	5.2	5.0	4.7	M	4.3	5.5	4.8
2014	5.5	5.3	5.5	5.6	5.3	6.3	5.2	4.5	5.3	5.9	5.6	4.9
2015	5.2	5.3	5.6	5.5	5.7	4.6	4.8	4.9	5.2	5.0	4.7	4.7
2016	4.1	4.5	4.7	5.8	5.2	4.9	4.5	4.4	4.8	5.1	5.5	4.9
2017	4.4	4.9	5.8	5.6	5.3	4.9	3.9	M	4.9	5.7	5.4	4.1
2018	4.7	4.7	5.0	5.5	4.8	5.5	5.1	4.7	5.2	4.6	4.4	4.4
2019	4.2	4.7	5.1	5.5	5.2	4.5	4.3	4.6	5.0	5.2	4.8	4.4
2020	3.8	4.5	5.2	5.0	5.0	5.1	4.5	4.9	4.9	4.5	5.1	4.4
2021	3.7	4.4	5.4	5.5	5.0	4.5	4.0	4.8	4.5	4.6	5.1	4.4
2022	4.8	4.7	4.9	6.0	5.2	5.2	4.1	4.0	4.6	4.9	4.9	4.6
2023	2.7	4.7	5.3	6.1	5.6	4.2	3.9	3.9	4.6	4.2	4.6	4.3
2024	4.0	4.1	5.4	5.0	5.2	4.5	3.9	4.2	4.1	4.5	4.3	4.0
2025	4.4	4.0	4.5	4.4	5.6	4.0	3.9	4.0	4.2	4.9	6.7	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2009	M	M	M	M	M	M	M	M	61.77	42.48	39.72	11.74
2010	15.52	22.13	43.32	55.83	61.92	67.59	75.59	73.68	56.97	54.26	26.66	13.81
2011	7.40	17.61	29.47	46.96	60.37	68.00	77.08	76.75	65.11	53.39	34.54	22.31
2012	18.81	24.97	45.05	48.85	62.63	73.78	80.14	73.45	62.76	44.17	29.20	15.23
2013	11.71	17.63	27.89	39.22	58.04	70.80	74.06	71.29	M	43.85	28.04	2.86
2014	3.64	8.14	23.65	41.09	62.19	68.34	72.60	72.02	61.50	48.69	22.78	19.97
2015	12.81	6.74	34.55	49.47	60.22	70.83	75.12	71.54	67.43	50.26	38.45	24.26
2016	13.66	19.18	38.17	43.83	64.01	68.73	74.48	73.03	62.35	49.04	41.92	15.18
2017	16.39	23.55	27.82	47.34	58.59	69.74	70.73	M	63.52	49.41	26.67	9.72
2018	12.79	12.38	33.61	40.81	67.24	71.32	77.90	75.49	60.32	40.80	24.50	20.10
2019	6.46	10.72	28.95	45.53	57.45	71.67	75.46	71.89	59.58	43.88	25.61	17.87
2020	17.40	20.27	34.71	43.73	60.35	71.26	79.74	77.41	62.67	41.06	35.55	21.60
2021	20.61	10.85	40.70	47.10	62.08	76.17	79.29	74.97	66.31	54.55	33.50	18.16
2022	5.39	8.85	29.18	38.03	59.84	70.01	74.51	74.18	64.29	49.92	31.55	14.44
2023	17.15	19.91	28.44	42.39	67.98	75.59	72.50	71.41	67.11	48.96	32.11	29.56
2024	16.11	27.09	30.71	49.79	60.19	69.67	76.03	73.54	71.53	53.16	37.01	20.11
2025	11.60	13.75	34.01	44.37	67.53	71.68	74.78	73.57	68.51	54.05	44.33	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2009	M	M	M	M	M	M	M	M	45.94	32.69	28.05	0.18
2010	-0.42	3.55	24.55	35.44	44.83	51.69	58.30	57.22	42.91	38.22	14.62	2.40
2011	-6.64	-1.53	10.80	29.59	41.25	50.74	59.01	57.44	46.52	39.80	24.05	9.78
2012	3.42	9.23	26.87	30.15	43.75	54.87	61.29	55.26	44.86	33.31	18.03	2.26
2013	-5.89	-1.37	10.55	22.46	39.72	52.54	57.46	53.30	M	29.27	17.29	-12.71
2014	-14.72	-7.41	2.26	22.32	42.75	52.72	54.65	55.86	45.97	36.28	11.43	8.63
2015	-5.32	-13.42	15.02	28.60	40.27	51.96	58.57	55.34	50.83	36.40	26.86	14.71
2016	1.35	1.91	18.82	25.25	43.91	51.20	57.41	56.90	50.32	36.84	31.29	2.34
2017	3.38	8.33	8.94	29.18	40.16	52.73	53.30	M	47.12	36.30	13.97	-4.09
2018	-3.71	-7.89	15.23	20.11	45.10	55.40	59.16	56.25	44.95	30.97	15.25	8.21
2019	-9.45	-6.94	10.44	28.33	37.89	52.29	58.27	55.10	48.48	33.62	16.77	3.85
2020	3.87	-2.19	15.01	24.02	41.13	53.62	60.34	57.15	44.65	29.18	19.66	8.50
2021	7.11	-7.29	20.64	29.20	41.11	56.00	59.68	58.29	50.04	42.14	21.88	2.72
2022	-11.73	-12.56	10.92	24.48	41.82	50.70	57.23	57.22	47.31	35.86	21.12	2.23
2023	5.70	-1.36	8.74	24.92	46.35	57.39	55.49	56.41	51.51	38.14	20.98	19.20
2024	5.83	10.28	12.43	30.69	42.38	51.44	58.96	57.71	54.31	37.62	26.69	9.53
2025	-5.59	-4.49	12.51	27.97	45.36	52.30	58.18	56.69	51.23	40.68	34.33	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2009	M	M	M	M	M	M	M	M	53.86	37.59	33.89	5.96
2010	7.55	12.84	33.94	45.64	53.28	59.64	66.94	65.45	49.94	46.24	20.64	8.11
2011	0.38	8.04	20.14	38.27	50.81	59.37	68.05	67.09	55.82	46.59	29.29	16.04
2012	11.12	17.10	35.96	39.50	53.19	64.32	70.71	64.35	53.81	38.74	23.61	8.74
2013	2.91	8.13	19.22	30.84	48.88	61.67	65.76	62.30	M	36.56	22.67	-4.92
2014	-5.54	0.37	12.95	31.70	52.47	60.53	63.63	63.94	53.74	42.49	17.10	14.30
2015	3.75	-3.34	24.78	39.03	50.24	61.39	66.84	63.44	59.13	43.33	32.65	19.49
2016	7.51	10.55	28.50	34.54	53.96	59.96	65.94	64.97	56.33	42.94	36.60	8.76
2017	9.89	15.94	18.38	38.26	49.38	61.24	62.01	M	55.32	42.85	20.32	2.81
2018	4.54	2.24	24.42	30.46	56.17	63.36	68.53	65.87	52.63	35.88	19.87	14.16
2019	-1.50	1.89	19.70	36.93	47.67	61.98	66.87	63.49	54.03	38.75	21.19	10.86
2020	10.64	9.04	24.86	33.88	50.74	62.44	70.04	67.28	53.66	35.12	27.61	15.05
2021	13.86	1.78	30.67	38.15	51.60	66.08	69.49	66.63	58.17	48.35	27.69	10.44
2022	-3.17	-1.86	20.05	31.26	50.83	60.36	65.87	65.70	55.80	42.89	26.34	8.33
2023	11.43	9.28	18.59	33.66	57.16	66.49	64.00	63.91	59.31	43.55	26.54	24.38
2024	10.97	18.68	21.57	40.24	51.29	60.55	67.49	65.63	62.92	45.39	31.85	14.82
2025	3.00	4.63	23.26	36.17	56.45	61.99	66.48	65.13	59.87	47.37	39.33	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
2009	M	M	M	M	M	M	M	M	74.5%	86.2%	82.9%	85.2%
2010	80.7%	71.1%	69.4%	54.0%	64.8%	76.9%	74.2%	77.2%	78.1%	71.5%	86.5%	84.6%
2011	82.4%	76.0%	64.0%	64.5%	64.1%	69.3%	69.7%	70.2%	72.4%	77.7%	81.7%	84.0%
2012	85.1%	83.1%	74.1%	62.2%	68.4%	66.3%	67.0%	69.3%	66.8%	81.2%	84.7%	85.9%
2013	81.2%	76.9%	63.0%	60.8%	60.3%	65.0%	69.8%	70.1%	M	80.8%	83.1%	79.3%
2014	77.8%	75.2%	67.1%	59.3%	65.5%	74.2%	71.1%	75.9%	79.3%	77.7%	78.6%	86.8%
2015	80.7%	72.9%	63.5%	53.9%	64.2%	68.0%	74.4%	77.2%	73.5%	77.2%	87.1%	87.8%
2016	84.1%	78.6%	64.0%	61.6%	61.5%	71.8%	71.7%	76.9%	80.6%	80.7%	82.4%	85.1%
2017	83.3%	74.2%	60.1%	58.2%	59.4%	68.3%	74.1%	M	81.5%	75.5%	84.9%	82.2%
2018	80.3%	71.1%	55.7%	45.7%	55.8%	63.0%	63.1%	68.1%	77.7%	88.2%	81.9%	85.6%
2019	77.8%	78.5%	69.8%	63.4%	59.8%	61.1%	73.5%	70.0%	85.0%	83.7%	81.8%	82.6%
2020	84.5%	72.9%	64.4%	58.8%	57.9%	68.8%	67.0%	65.9%	80.5%	78.3%	79.4%	87.1%
2021	88.0%	71.5%	57.5%	63.0%	62.2%	62.3%	63.4%	73.4%	77.5%	83.7%	81.4%	81.0%
2022	77.0%	74.0%	66.5%	71.4%	67.9%	65.8%	73.1%	76.0%	75.8%	76.4%	82.4%	84.1%
2023	88.2%	70.9%	62.1%	62.2%	56.7%	69.5%	70.1%	77.2%	77.7%	85.8%	81.7%	87.4%
2024	85.9%	79.6%	67.7%	61.1%	70.2%	70.5%	75.8%	74.9%	76.4%	73.4%	87.5%	90.8%
2025	78.7%	72.6%	63.5%	67.4%	51.3%	68.6%	70.1%	77.4%	76.0%	78.2%	76.3%	M

Monthly Plots

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