View Monthly Charts

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
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	0.00
2007	0.01	0.19	1.04	1.73	2.20	3.76	2.29	2.71	2.04	2.34	1.36	1.49
2008	1.45	1.13	1.11	1.63	4.19	2.54	4.37	37.61	0.00	0.00	0.00	0.00
2009	0.00	0.00	0.00	0.00	0.00	0.00	2.21	1.98	3.30	3.03	1.24	1.13
2010	0.55	0.71	0.52	2.07	2.43	1.36	2.25	2.93	6.42	1.33	1.41	2.21
2011	0.43	0.82	1.94	4.05	0.87	3.60	3.62	2.18	3.44	4.72	2.26	1.85
2012	2.21	0.82	2.61	1.91	1.35	1.68	4.57	3.07	3.28	5.79	1.67	2.42
2013	2.29	1.02	1.74	2.86	2.16	4.79	2.82	4.12	2.24	2.99	4.37	1.61
2014	2.35	0.50	1.71	2.84	3.03	2.27	3.53	5.36	3.47	6.15	3.27	3.08
2015	1.43	0.74	1.54	2.62	3.96	2.12	2.93	5.81	4.77	2.75	2.83	3.72
2016	5.81	1.67	2.03	2.23	2.13	2.22	3.96	3.59	2.22	2.63	2.62	1.83
2017	1.31	2.65	1.80	2.52	3.86	2.45	0.91	5.35	2.55	3.17	2.16	1.17
2018	1.09	0.39	0.63	0.89	1.91	2.61	3.19	1.84	4.93	5.76	2.13	1.92
2019	1.94	3.12	1.43	5.16	1.83	5.29	0.17	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	M	M
2021	M	M	M	M	0.38	3.79	4.47	1.47	4.02	1.40	1.31	1.29
2022	0.61	1.02	2.69	1.48	2.41	6.02	4.62	7.23	2.27	2.78	0.72	1.03
2023	0.19	1.94	1.40	4.00	2.82	2.56	3.10	2.36	4.04	6.46	2.65	0.76
2024	1.36	1.49	2.45	5.76	2.19	4.50	3.61	1.92	4.85	3.36	3.22	2.71
2025	0.84	1.19	4.34	2.83	1.37	4.91	0.56	M	M	M	M	M

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	0.0	0.0	0.0	0.0	0.0
2005	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2006	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2007	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2008	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2009	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2010	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2011	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2012	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2013	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2014	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2015	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2016	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2017	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2018	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2019	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2020	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2021	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2022	0.0	0.0	0.0	0.0	0.0	0.0	0.0	4.7	26.7	22.7	24.2	4.7
2023	4.3	4.9	5.4	5.4	4.8	4.2	3.2	3.6	3.2	4.8	5.0	4.5
2024	4.3	5.0	5.6	5.5	5.0	5.1	4.0	3.7	4.0	5.2	4.8	5.1
2025	6.0	5.8	5.6	5.7	5.2	4.4	4.3	M	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	61.38	64.21	47.86	29.74	7.02
2005	16.17	M	M	M	M	74.71	77.85	M	56.50	50.90	34.48	19.74
2006	23.72	6.28	24.88	38.89	59.27	66.10	67.87	66.85	50.90	43.82	30.04	22.93
2007	17.58	11.54	31.57	44.78	65.69	71.28	71.97	70.76	64.68	52.28	32.33	18.30
2008	19.29	17.28	25.95	48.82	55.60	68.89	71.53	72.13	62.75	48.56	33.77	17.06
2009	8.52	19.67	32.17	44.54	55.65	71.53	71.39	69.63	65.17	44.17	40.66	19.42
2010	17.54	20.65	43.54	52.47	66.34	67.70	77.68	74.13	59.23	49.50	36.32	20.65
2011	11.47	19.79	28.83	44.76	62.90	70.88	78.15	73.26	64.94	52.98	39.15	24.22
2012	19.19	24.64	46.82	45.45	66.25	74.37	75.77	72.27	61.33	48.58	34.20	21.32
2013	15.19	16.88	30.30	40.96	62.33	68.97	75.34	70.68	63.45	50.33	31.26	10.88
2014	9.65	13.88	22.60	41.16	60.03	71.64	70.18	69.81	60.91	47.55	29.35	21.30
2015	10.43	4.87	29.04	45.27	63.98	68.74	75.21	71.29	68.41	46.81	40.49	30.86
2016	18.52	17.30	33.71	39.01	62.85	69.61	74.34	75.30	65.68	49.43	40.51	21.38
2017	21.68	23.35	27.75	46.73	55.82	67.92	74.05	67.70	67.74	55.70	30.40	12.80
2018	14.01	20.36	28.83	39.66	64.38	71.89	78.78	74.56	64.07	40.84	27.29	21.63
2019	10.03	16.15	29.56	40.93	54.05	68.99	77.67	71.65	61.75	48.97	26.92	21.42
2020	21.17	21.31	34.56	42.35	57.91	72.54	78.03	71.11	60.09	42.63	38.50	23.05
2021	20.17	20.40	37.40	52.07	61.28	71.27	72.68	75.86	61.68	57.13	34.64	22.34
2022	7.64	16.04	30.09	43.90	65.65	70.22	73.78	72.83	64.29	53.94	39.66	18.74
2023	19.46	19.72	30.52	46.92	64.22	73.00	75.11	70.75	69.72	51.61	33.05	29.05
2024	19.86	28.95	35.25	46.80	65.51	73.24	76.61	74.86	70.95	54.29	37.92	22.47
2025	13.98	16.07	31.28	43.65	61.64	71.70	73.40	M	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	59.28	60.13	44.78	26.75	0.24
2005	-12.15	M	M	M	M	55.04	56.12	M	54.30	37.98	19.40	1.96
2006	5.60	-4.34	17.57	34.73	53.72	59.57	63.74	60.83	47.59	43.55	28.44	19.73
2007	-2.37	-13.34	7.35	24.52	43.02	51.16	54.10	53.14	46.23	39.08	19.91	0.91
2008	-0.71	-7.78	0.05	28.39	37.23	53.69	55.69	52.89	43.94	33.16	22.96	-4.95
2009	-15.36	-3.24	7.30	21.81	30.49	51.47	54.92	52.93	46.67	32.58	29.35	4.24
2010	1.41	3.09	16.93	31.41	44.39	48.82	58.13	56.46	44.91	33.22	22.90	11.95
2011	-6.52	-7.85	3.32	22.91	40.35	49.65	57.72	53.57	46.09	39.14	27.02	5.19
2012	-2.17	7.20	21.55	26.45	43.60	54.74	56.37	53.88	44.73	35.76	21.70	7.96
2013	-5.93	-4.39	14.31	22.89	39.64	49.67	55.25	54.89	44.70	36.87	18.89	-6.18
2014	-12.08	-6.20	-6.07	22.42	40.28	51.56	53.71	53.03	44.20	36.68	13.85	4.64
2015	-14.03	-20.03	1.44	23.26	39.50	49.44	55.48	56.28	51.10	32.38	25.47	20.28
2016	1.49	-6.86	11.35	16.06	39.11	48.62	56.37	57.45	49.24	37.37	29.34	7.19
2017	7.22	2.96	4.26	26.79	40.20	50.73	53.16	50.51	49.31	39.75	16.81	-4.94
2018	-6.35	-4.64	8.26	15.06	39.62	48.24	59.59	55.37	45.83	30.26	16.19	5.44
2019	-15.59	-7.94	5.07	23.15	34.81	48.27	57.04	53.04	46.50	35.74	15.51	4.01
2020	2.49	-0.08	9.75	21.30	36.72	51.82	60.25	53.79	44.53	29.82	25.58	7.33
2021	6.29	-7.20	12.75	29.86	39.26	53.03	53.52	57.82	46.95	41.63	22.96	5.77
2022	-20.70	-13.63	8.12	25.64	43.50	51.56	54.54	53.84	38.34	32.43	26.80	3.34
2023	-3.37	-7.20	5.07	24.38	34.25	45.99	49.25	45.12	40.49	36.42	16.16	13.84
2024	4.18	5.73	14.06	25.39	39.78	48.71	52.05	47.42	42.37	31.40	28.82	7.80
2025	-6.00	-4.09	6.04	19.82	34.90	45.82	51.50	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
2004	M	M	M	M	M	M	M	60.33	62.17	46.32	28.25	3.63
2005	2.01	M	M	M	M	64.87	66.98	M	55.40	44.44	26.94	10.85
2006	14.66	0.97	21.23	36.81	56.50	62.83	65.81	63.84	49.24	43.68	29.24	21.33
2007	7.60	-0.90	19.46	34.65	54.35	61.22	63.03	61.95	55.46	45.68	26.12	9.60
2008	9.29	4.75	13.00	38.60	46.41	61.29	63.61	62.51	53.34	40.86	28.37	6.05
2009	-3.42	8.22	19.74	33.17	43.07	61.50	63.15	61.28	55.92	38.37	35.00	11.83
2010	9.48	11.87	30.23	41.94	55.36	58.26	67.90	65.29	52.07	41.36	29.61	16.30
2011	2.48	5.97	16.07	33.84	51.63	60.26	67.93	63.42	55.51	46.06	33.09	14.70
2012	8.51	15.92	34.18	35.95	54.93	64.55	66.07	63.08	53.03	42.17	27.95	14.64
2013	4.63	6.24	22.31	31.93	50.99	59.32	65.29	62.79	54.08	43.60	25.07	2.35
2014	-1.22	3.84	8.26	31.79	50.16	61.60	61.95	61.42	52.56	42.11	21.60	12.97
2015	-1.80	-7.58	15.24	34.27	51.74	59.09	65.35	63.78	59.76	39.59	32.98	25.57
2016	10.00	5.22	22.53	27.54	50.98	59.11	65.36	66.38	57.46	43.40	34.93	14.28
2017	14.45	13.16	16.00	36.76	48.01	59.32	63.61	59.10	58.53	47.73	23.60	3.93
2018	3.83	7.86	18.54	27.36	52.00	60.07	69.19	64.96	54.95	35.55	21.74	13.54
2019	-2.78	4.10	17.31	32.04	44.43	58.63	67.36	62.35	54.13	42.35	21.22	12.71
2020	11.83	10.61	22.15	31.83	47.32	62.18	69.14	62.45	52.31	36.22	32.04	15.19
2021	13.23	6.60	25.08	40.97	50.27	62.15	63.10	66.84	54.32	49.38	28.80	14.06
2022	-6.53	1.21	19.11	34.77	54.57	60.89	64.16	63.33	51.31	43.19	33.23	11.04
2023	8.05	6.26	17.80	35.65	49.23	59.49	62.18	57.94	55.10	44.02	24.60	21.44
2024	12.02	17.34	24.66	36.09	52.64	60.98	64.33	61.14	56.66	42.85	33.37	15.14
2025	3.99	5.99	18.66	31.73	48.27	58.76	62.45	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
2004	M	M	M	M	M	M	M	88.6%	88.7%	91.9%	89.2%	90.4%
2005	84.9%	83.2%	73.5%	67.0%	71.9%	77.8%	74.3%	79.7%	84.1%	91.6%	93.8%	91.0%
2006	92.3%	85.5%	78.3%	73.9%	73.9%	74.5%	80.6%	82.0%	88.4%	87.4%	91.8%	93.7%
2007	88.2%	76.3%	74.3%	78.5%	65.9%	80.4%	82.3%	80.3%	84.6%	91.6%	91.5%	93.6%
2008	92.8%	85.4%	76.5%	72.8%	79.4%	82.1%	83.9%	84.3%	86.2%	88.5%	93.2%	93.0%
2009	88.9%	85.3%	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	M	M	92.5%	M	M
2012	M	M	M	M	45.6%	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	76.0%	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	M	M
2018	82.6%	75.9%	68.9%	62.5%	58.6%	63.9%	68.6%	75.9%	80.4%	85.8%	86.5%	88.4%
2019	82.4%	81.7%	69.0%	72.8%	66.6%	66.2%	66.7%	72.5%	81.0%	82.6%	87.3%	86.7%
2020	86.7%	77.6%	69.6%	64.6%	62.4%	67.2%	74.3%	74.7%	78.2%	83.7%	86.4%	87.4%
2021	86.0%	75.2%	67.0%	63.8%	63.9%	69.3%	72.1%	74.5%	81.6%	83.9%	82.0%	82.3%
2022	75.6%	72.8%	72.5%	65.5%	61.7%	69.8%	72.1%	76.0%	81.5%	82.6%	84.6%	75.5%
2023	72.4%	75.3%	68.5%	69.2%	61.2%	68.8%	76.7%	78.8%	81.5%	87.7%	83.0%	83.5%
2024	81.3%	77.2%	72.0%	72.2%	67.5%	72.5%	73.5%	76.1%	79.8%	80.3%	86.8%	85.2%
2025	77.2%	74.5%	72.3%	66.8%	66.3%	72.2%	78.2%	M	M	M	M	M

Monthly Plots

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