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
2001	M	M	M	M	M	M	M	M	M	M	M	M
2002	M	0.00	M	M	M	M	M	M	M	M	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
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	M
2007	M	0.00	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	M	M	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	0.00	0.00	0.00	0.00	0.00
2012	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2013	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	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
2001	M	M	M	M	M	M	M	M	M	M	M	M
2002	M	11.9	M	M	M	M	M	M	M	M	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	3.2	3.3	4.0	4.0	3.4	2.8	3.1	2.8
2005	3.8	3.6	3.2	4.1	4.1	3.3	3.8	3.5	3.1	2.4	2.8	3.3
2006	2.8	3.9	4.6	3.6	5.0	3.7	3.7	3.8	3.0	2.7	3.3	3.5
2007	5.5	4.6	4.1	3.9	5.9	4.7	5.1	4.1	3.9	3.7	5.4	4.8
2008	4.6	3.5	6.9	5.4	4.7	4.1	4.4	4.5	4.4	3.6	4.5	3.7
2009	3.7	4.0	5.2	4.6	4.7	4.8	5.3	3.2	3.8	3.8	3.5	4.2
2010	3.4	4.8	5.6	4.7	4.8	5.0	4.3	4.3	3.6	3.9	4.3	3.7
2011	3.4	2.5	4.1	3.8	4.3	4.5	4.3	4.0	3.2	3.4	2.8	5.4
2012	5.2	4.1	3.1	5.9	4.1	3.9	4.1	3.9	3.2	3.0	3.3	4.3
2013	3.0	4.0	4.8	3.8	4.5	4.1	4.0	3.4	3.4	3.3	3.8	3.9
2014	3.3	4.8	3.6	4.5	5.8	5.0	4.7	4.3	3.7	4.5	4.1	4.4
2015	5.2	4.6	5.4	5.0	4.9	5.1	4.7	4.2	5.1	3.8	4.5	3.4
2016	5.2	6.4	5.4	5.3	4.9	4.7	4.4	3.9	3.9	4.1	5.4	3.3
2017	5.2	4.5	5.7	5.0	4.9	5.0	5.1	4.2	4.3	4.3	4.7	5.6
2018	5.7	5.9	5.0	6.0	5.0	4.9	4.1	4.7	3.8	4.8	4.1	5.1
2019	5.6	4.2	6.8	5.6	5.0	4.8	4.5	4.0	4.2	4.4	4.4	6.0
2020	3.8	7.4	5.7	4.3	4.9	4.6	4.3	4.4	3.9	4.2	3.8	4.0
2021	5.2	4.3	5.0	5.5	6.1	4.7	4.6	4.1	3.7	4.6	4.4	4.5
2022	4.2	6.4	4.6	5.3	4.5	4.6	4.6	4.1	4.5	3.4	4.1	4.3
2023	5.0	4.7	5.7	5.2	4.7	5.2	5.2	4.9	3.9	4.2	6.0	5.2
2024	4.7	3.9	7.0	6.4	4.8	4.8	4.3	3.9	4.5	4.2	4.1	4.6
2025	4.8	3.5	4.9	5.2	4.7	4.9	4.7	M	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	M	M	M	M	M	M	68.00	M	M	M	46.40	M
2002	M	37.40	M	M	M	M	M	M	M	M	M	M
2003	36.20	33.48	54.12	56.21	67.36	81.78	76.36	81.47	67.40	51.63	45.38	38.90
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	M
2007	M	46.18	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	M	M	M	M	M	M	M	M	M	M	44.60	M
2010	44.60	M	M	M	59.00	M	M	68.00	M	M	41.00	37.17
2011	34.48	26.60	M	69.80	65.30	69.80	65.30	76.10	69.32	55.75	46.70	45.53
2012	42.05	32.43	54.99	56.78	67.94	72.74	73.75	77.29	66.68	56.39	48.50	41.99
2013	38.68	35.86	45.06	56.60	61.15	69.80	79.67	75.20	66.38	59.41	45.80	41.35
2014	42.86	47.36	54.24	60.14	64.34	74.60	73.34	70.15	67.46	62.25	49.22	43.15
2015	41.99	36.56	51.97	59.36	65.91	73.34	80.89	78.22	65.24	54.35	51.98	43.79
2016	42.57	47.95	48.84	57.92	64.81	70.22	76.54	75.66	71.42	54.41	48.20	37.69
2017	31.42	45.82	56.15	55.94	68.75	76.64	75.78	76.71	63.32	59.46	47.42	41.23
2018	47.33	35.28	47.33	67.34	69.68	74.60	79.03	78.68	70.82	62.19	47.84	44.19
2019	37.63	46.59	54.24	58.88	59.58	78.08	78.51	75.37	68.12	60.63	47.96	45.76
2020	41.17	51.80	51.22	64.70	65.97	70.16	76.65	76.19	69.26	56.21	47.60	41.52
2021	39.84	46.53	50.29	55.82	60.92	76.58	73.98	71.95	69.92	57.72	44.48	42.10
2022	40.30	48.65	54.59	57.80	70.26	77.18	79.50	77.75	65.84	62.95	50.96	42.39
2023	43.15	43.96	52.90	55.04	66.20	78.08	78.34	76.77	74.36	64.05	51.02	44.54
2024	41.17	50.68	55.81	60.32	66.26	73.22	76.94	79.09	66.26	58.25	46.70	39.78
2025	42.16	41.96	53.31	62.78	65.79	78.68	74.73	M	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	M	M	M	M	M	M	66.20	M	M	M	46.40	M
2002	M	33.80	M	M	M	M	M	M	M	M	M	M
2003	30.08	25.06	36.82	41.06	53.31	65.64	61.85	63.88	51.50	42.05	38.36	31.88
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	M
2007	M	35.50	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	M	M	M	M	M	M	M	M	M	M	44.60	M
2010	42.80	M	M	M	57.20	M	M	68.00	M	M	41.00	27.35
2011	28.18	26.60	M	68.00	56.30	67.55	62.60	56.30	54.14	43.21	36.80	34.79
2012	32.46	20.70	35.08	42.74	49.01	57.68	58.48	60.10	51.74	45.70	38.90	30.90
2013	29.45	25.89	33.05	41.54	47.97	54.56	60.63	57.78	53.36	48.55	36.44	29.10
2014	32.93	34.12	34.96	42.26	48.14	54.80	57.61	56.21	52.40	47.85	40.10	33.51
2015	31.65	27.05	34.61	38.84	50.64	57.08	61.67	59.75	48.68	43.09	38.42	32.93
2016	31.77	34.05	33.86	40.64	47.85	56.90	60.22	58.36	54.68	42.74	36.62	28.34
2017	21.49	33.16	38.74	38.66	49.01	59.60	59.46	58.88	49.82	44.66	36.26	31.59
2018	35.14	27.63	32.81	43.94	52.03	56.42	59.64	60.22	52.70	45.18	37.40	34.32
2019	28.81	29.11	36.01	40.40	43.79	57.32	60.45	58.77	52.22	47.04	38.06	33.51
2020	30.43	35.72	33.63	41.30	46.52	53.78	58.59	59.64	54.08	43.79	37.58	32.87
2021	29.27	31.42	33.86	37.10	44.66	58.16	58.88	58.07	53.78	41.93	36.50	33.45
2022	29.79	32.77	32.00	39.80	51.97	57.50	59.29	58.01	52.04	49.42	39.86	32.23
2023	32.12	31.23	37.52	40.76	49.77	56.84	59.93	59.87	56.42	47.50	38.42	34.09
2024	30.84	37.65	39.61	41.54	50.64	57.56	61.55	62.31	52.28	47.39	36.44	31.07
2025	30.66	32.19	35.43	40.58	47.85	59.30	59.40	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
2001	M	M	M	M	M	M	67.10	M	M	M	46.40	M
2002	M	35.60	M	M	M	M	M	M	M	M	M	M
2003	33.14	29.27	45.47	48.63	60.34	73.71	69.10	72.67	59.45	46.84	41.87	35.39
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	M
2007	M	40.84	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	M	M	M	M	M	M	M	M	M	M	44.60	M
2010	43.70	M	M	M	58.10	M	M	68.00	M	M	41.00	32.26
2011	31.33	26.60	M	68.90	60.80	68.68	63.95	66.20	61.73	49.48	41.75	40.16
2012	37.25	26.57	45.04	49.76	58.48	65.21	66.11	68.70	59.21	51.05	43.70	36.44
2013	34.06	30.88	39.05	49.07	54.56	62.18	70.15	66.49	59.87	53.98	41.12	35.22
2014	37.89	40.74	44.60	51.20	56.24	64.70	65.47	63.18	59.93	55.05	44.66	38.33
2015	36.82	31.81	43.29	49.10	58.27	65.21	71.28	68.99	56.96	48.72	45.20	38.36
2016	37.17	41.00	41.35	49.28	56.33	63.56	68.38	67.01	63.05	48.58	42.41	33.02
2017	26.45	39.49	47.45	47.30	58.88	68.12	67.62	67.80	56.57	52.06	41.84	36.41
2018	41.23	31.45	40.07	55.64	60.86	65.51	69.34	69.45	61.76	53.69	42.62	39.26
2019	33.22	37.85	45.12	49.64	51.68	67.70	69.48	67.07	60.17	53.83	43.01	39.64
2020	35.80	43.76	42.42	53.00	56.24	61.97	67.62	67.91	61.67	50.00	42.59	37.20
2021	34.55	38.97	42.07	46.46	52.79	67.37	66.43	65.01	61.85	49.83	40.49	37.78
2022	35.05	40.71	43.29	48.80	61.12	67.34	69.39	67.88	58.94	56.18	45.41	37.31
2023	37.63	37.59	45.21	47.90	57.98	67.46	69.13	68.32	65.39	55.78	44.72	39.32
2024	36.01	44.17	47.71	50.93	58.45	65.39	69.25	70.70	59.27	52.82	41.57	35.43
2025	36.41	37.08	44.37	51.68	56.82	68.99	67.07	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
2001	M	M	M	M	M	M	M	M	M	M	M	M
2002	M	83.3%	M	M	M	M	M	M	M	M	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	70.7%	73.7%	75.4%	74.9%	79.2%	85.4%	81.2%	84.5%
2005	77.5%	80.0%	74.6%	74.3%	71.9%	68.7%	75.1%	78.7%	80.2%	87.1%	80.5%	79.3%
2006	84.4%	76.5%	72.6%	76.6%	71.9%	68.4%	67.7%	76.9%	81.3%	82.1%	80.0%	83.6%
2007	76.8%	78.7%	74.4%	68.5%	68.7%	71.6%	69.7%	77.4%	78.3%	80.7%	78.6%	79.8%
2008	78.9%	76.0%	68.3%	74.0%	65.6%	73.7%	72.0%	75.0%	77.8%	83.0%	84.1%	85.2%
2009	84.6%	82.0%	75.4%	69.2%	73.6%	73.4%	72.0%	76.1%	80.7%	81.0%	84.6%	80.6%
2010	83.5%	72.7%	66.5%	68.5%	75.5%	73.4%	72.3%	76.7%	79.6%	81.6%	79.1%	82.1%
2011	83.1%	83.1%	71.4%	67.7%	67.2%	72.7%	72.4%	72.5%	79.1%	82.4%	86.8%	76.8%
2012	77.8%	69.6%	73.3%	66.6%	68.0%	72.8%	71.2%	72.2%	79.0%	82.5%	82.8%	77.9%
2013	79.8%	76.3%	71.7%	72.0%	73.7%	71.5%	67.5%	72.5%	77.8%	81.2%	78.3%	82.7%
2014	82.0%	74.7%	73.2%	73.2%	69.6%	66.2%	78.4%	76.6%	84.6%	85.4%	91.0%	86.1%
2015	81.9%	84.8%	75.8%	68.6%	73.1%	71.0%	64.7%	74.6%	77.4%	87.5%	84.7%	94.0%
2016	86.0%	78.7%	77.4%	76.8%	74.4%	78.8%	73.0%	77.5%	79.6%	86.3%	83.5%	95.1%
2017	89.0%	86.4%	75.5%	72.9%	70.6%	67.2%	72.6%	77.9%	80.3%	84.7%	81.3%	83.1%
2018	82.4%	78.3%	77.6%	66.1%	73.9%	71.3%	68.0%	71.8%	78.6%	82.9%	90.0%	85.3%
2019	82.6%	82.6%	67.7%	74.2%	79.6%	73.9%	72.1%	81.2%	84.0%	88.5%	86.1%	83.7%
2020	90.2%	73.0%	73.6%	65.9%	72.6%	77.2%	71.3%	74.9%	82.5%	85.7%	91.6%	93.5%
2021	86.3%	88.7%	78.0%	69.5%	76.2%	78.0%	85.4%	85.7%	84.1%	86.0%	94.3%	95.3%
2022	94.4%	83.7%	75.9%	81.8%	77.5%	71.8%	65.0%	72.2%	78.2%	91.2%	90.2%	92.5%
2023	85.4%	86.2%	76.4%	79.4%	82.8%	65.0%	71.5%	78.8%	83.2%	87.6%	84.1%	90.3%
2024	90.4%	90.3%	78.9%	70.4%	76.3%	79.8%	78.8%	80.2%	86.2%	92.5%	92.0%	90.3%
2025	86.8%	90.6%	78.6%	72.4%	69.4%	68.6%	71.1%	M	M	M	M	M

Monthly Plots

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