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
1999	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2000	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2001	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2002	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2003	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
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

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1999	9.8	8.2	7.1	9.7	9.1	8.3	9.4	9.5	8.7	11.0	8.3	14.5
2000	12.0	12.6	11.8	8.8	8.6	10.2	9.1	7.1	8.9	9.2	9.0	10.9
2001	7.9	9.9	9.9	9.2	8.7	8.6	8.5	8.2	7.4	9.6	9.1	8.1
2002	11.1	13.9	10.0	7.6	8.2	11.1	9.3	5.9	6.9	9.7	7.8	9.0
2003	9.6	6.8	8.3	10.0	9.1	8.9	8.4	8.1	7.2	7.2	9.0	10.6
2004	8.4	10.8	10.4	8.3	9.1	9.9	8.3	9.0	10.0	9.8	8.8	9.8
2005	12.5	9.5	10.1	8.7	8.5	8.6	7.8	7.9	6.7	7.9	7.9	8.8
2006	7.3	8.4	9.1	8.9	10.3	7.3	6.7	8.1	8.8	9.2	10.6	11.4
2007	15.2	9.4	11.3	9.1	8.6	8.7	9.4	7.5	9.4	5.8	9.6	8.5
2008	13.1	10.7	12.1	8.0	6.9	10.7	9.2	9.6	7.6	10.0	10.6	8.5
2009	7.2	8.8	9.9	8.9	9.9	10.1	10.3	8.8	9.0	8.6	10.7	6.4
2010	9.2	9.8	10.2	9.0	8.0	7.8	8.0	8.1	8.8	9.4	8.8	8.3
2011	7.7	11.9	8.4	9.5	9.8	8.7	9.3	9.5	8.5	9.2	7.7	13.7
2012	11.2	9.5	9.7	8.7	9.5	9.3	8.5	7.2	9.1	8.0	8.5	7.8
2013	9.2	8.1	9.0	9.2	7.9	9.4	7.2	8.0	8.1	9.7	8.9	10.7
2014	11.2	10.4	8.6	8.8	9.3	8.0	7.8	8.9	7.5	8.4	9.1	11.8
2015	12.3	9.3	10.5	9.3	9.6	8.3	9.6	7.7	8.3	7.0	11.4	12.1
2016	10.2	11.8	8.1	9.4	9.0	7.6	8.5	8.3	7.8	7.6	7.6	7.9
2017	8.3	10.3	9.2	10.0	8.9	9.5	7.1	8.5	9.0	10.8	9.1	10.5
2018	11.6	7.8	13.4	9.4	9.6	7.4	6.8	5.0	13.2	11.2	11.1	9.3
2019	10.5	10.8	14.0	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

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1999	41.85	39.20	57.20	57.86	65.68	68.60	77.46	73.52	73.94	55.52	44.60	39.36
2000	38.27	44.21	46.81	60.38	69.97	71.30	67.88	71.66	63.69	58.30	48.02	45.01
2001	36.86	40.45	42.86	52.92	65.41	64.00	73.88	74.91	60.61	60.57	43.76	34.96
2002	39.08	46.27	47.15	54.45	67.19	69.99	72.47	78.16	67.88	51.92	42.99	31.87
2003	35.66	35.15	48.43	57.74	67.48	76.28	77.23	78.28	68.96	51.86	48.08	40.87
2004	33.44	41.19	46.86	58.94	63.12	67.88	70.52	76.48	67.10	56.62	44.60	40.22
2005	41.12	36.05	44.48	59.12	63.99	70.64	74.39	69.92	70.34	61.61	44.90	39.75
2006	31.70	36.50	40.01	53.96	65.62	72.86	85.59	71.89	73.40	61.26	50.06	45.35
2007	44.37	42.16	53.14	62.96	68.17	72.50	71.48	73.22	63.44	54.70	44.30	39.06
2008	42.38	45.72	46.46	54.32	69.34	74.48	75.37	72.12	64.46	56.15	46.04	39.36
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	66.20	M	M	39.20	26.91
2011	33.93	M	M	71.60	68.00	77.00	65.30	67.82	67.46	57.37	44.91	41.63
2012	38.42	34.48	52.79	54.50	66.43	66.86	72.35	73.17	64.76	55.11	45.32	33.11
2013	35.36	35.02	36.24	54.38	63.88	69.30	77.12	74.45	62.30	57.66	45.74	42.15
2014	35.96	47.36	53.08	59.72	63.24	70.34	78.51	69.80	68.36	63.98	45.46	39.80
2015	39.80	39.71	49.01	56.72	61.55	68.42	74.21	78.28	63.92	53.83	49.64	48.77
2016	35.79	42.68	46.52	54.86	68.46	73.76	74.50	73.05	73.27	51.80	42.99	39.97
2017	33.45	39.87	52.33	52.30	65.36	70.42	70.91	72.47	64.40	57.68	46.12	40.62
2018	40.84	34.97	35.34	65.12	74.30	73.40	68.45	77.00	73.76	62.60	46.76	38.43
2019	39.65	46.58	50.08	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

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1999	34.44	34.40	37.40	42.14	50.23	55.16	60.74	56.74	55.04	43.09	35.90	35.21
2000	32.50	37.16	37.86	43.04	51.92	56.72	55.92	55.57	51.07	47.15	39.74	38.55
2001	31.46	32.07	33.49	40.94	51.92	53.80	61.95	60.80	50.64	50.06	36.62	29.48
2002	33.68	37.60	37.69	41.59	54.90	57.84	60.80	61.21	51.00	41.18	36.14	26.55
2003	29.36	23.71	34.50	39.74	52.85	59.24	61.79	60.92	50.36	34.55	41.00	33.73
2004	27.62	32.87	35.25	40.88	49.36	55.16	57.50	59.29	49.88	44.54	36.02	34.50
2005	33.68	28.27	32.75	39.56	50.35	54.08	59.52	54.76	50.84	45.30	35.90	32.63
2006	22.82	30.07	30.08	41.06	48.26	57.02	64.86	56.68	54.68	48.90	40.82	40.54
2007	37.11	35.15	37.98	41.12	50.70	58.46	58.48	56.36	50.48	40.25	35.84	34.23
2008	36.62	34.79	35.89	40.28	48.32	55.88	58.65	56.85	47.72	43.85	38.42	34.43
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	66.20	M	M	33.80	19.87
2011	26.99	M	M	69.80	57.20	72.50	60.80	56.66	49.22	42.34	35.91	36.15
2012	31.34	23.37	37.40	38.06	49.13	52.58	57.55	56.21	49.16	43.09	38.30	27.29
2013	29.42	29.11	24.39	39.02	49.88	53.72	57.95	58.77	48.74	47.39	38.18	36.75
2014	31.04	36.76	37.05	42.74	48.90	54.08	59.99	54.24	52.82	51.94	40.14	34.40
2015	34.58	31.16	35.66	37.22	44.48	51.26	56.04	57.66	48.08	40.71	42.32	42.72
2016	28.27	34.23	33.63	37.76	48.95	56.42	58.01	54.35	60.67	45.85	36.69	35.00
2017	28.82	33.80	37.80	38.48	50.90	55.26	55.75	55.80	50.42	49.38	39.34	35.88
2018	35.68	23.36	28.66	55.04	63.50	56.94	57.65	68.00	57.92	51.80	39.56	35.34
2019	35.15	38.57	43.21	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

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1999	38.14	36.80	47.30	50.00	57.95	61.88	69.10	65.13	64.49	49.30	40.25	37.28
2000	35.38	40.69	42.34	51.71	60.95	64.01	61.90	63.62	57.38	52.73	43.88	41.78
2001	34.16	36.26	38.18	46.93	58.67	58.90	67.92	67.85	55.63	55.31	40.19	32.22
2002	36.38	41.93	42.42	48.02	61.05	63.92	66.64	69.68	59.44	46.55	39.57	29.21
2003	32.51	29.43	41.46	48.74	60.16	67.76	69.51	69.60	59.66	43.21	44.54	37.30
2004	30.53	37.03	41.06	49.91	56.24	61.52	64.01	67.88	58.49	50.58	40.31	37.36
2005	37.40	32.16	38.62	49.34	57.17	62.36	66.95	62.34	60.59	53.45	40.40	36.19
2006	27.26	33.29	35.05	47.51	56.94	64.94	75.23	64.28	64.04	55.08	45.44	42.95
2007	40.74	38.65	45.56	52.04	59.44	65.48	64.98	64.79	56.96	47.47	40.07	36.64
2008	39.50	40.26	41.17	47.30	58.83	65.18	67.01	64.49	56.09	50.00	42.23	36.89
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	66.20	M	M	36.50	23.39
2011	30.46	M	M	70.70	62.60	74.75	63.05	62.24	58.34	49.85	40.41	38.89
2012	34.88	28.93	45.09	46.28	57.78	59.72	64.95	64.69	56.96	49.10	41.81	30.20
2013	32.39	32.06	30.32	46.70	56.88	61.51	67.54	66.61	55.52	52.53	41.96	39.45
2014	33.50	42.06	45.06	51.23	56.07	62.21	69.25	62.02	60.59	57.96	42.80	37.10
2015	37.19	35.44	42.34	46.97	53.02	59.84	65.13	67.97	56.00	47.27	45.98	45.75
2016	32.03	38.46	40.07	46.31	58.71	65.09	66.26	63.70	66.97	48.82	39.84	37.49
2017	31.13	36.84	45.07	45.39	58.13	62.84	63.33	64.13	57.41	53.53	42.73	38.25
2018	38.26	29.16	32.00	60.08	68.90	65.17	63.05	72.50	65.84	57.20	43.16	36.89
2019	37.40	42.58	46.65	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

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
1999	85.5%	100.0%	78.1%	76.6%	70.3%	73.5%	66.7%	71.6%	74.0%	85.7%	90.9%	91.7%
2000	89.8%	87.3%	86.8%	76.2%	66.3%	68.1%	81.7%	78.5%	84.8%	89.0%	90.5%	91.3%
2001	95.1%	87.0%	84.0%	80.7%	74.3%	81.0%	78.4%	79.3%	93.0%	90.8%	95.2%	93.5%
2002	84.8%	78.2%	73.5%	71.5%	73.1%	72.0%	75.4%	78.0%	77.0%	83.1%	87.1%	81.0%
2003	84.9%	77.1%	70.6%	60.8%	67.0%	63.2%	69.9%	63.8%	72.5%	80.5%	85.0%	80.3%
2004	85.2%	79.3%	74.0%	71.3%	73.9%	73.2%	77.9%	72.7%	74.8%	81.2%	86.3%	87.4%
2005	82.5%	81.7%	76.6%	65.8%	72.2%	69.0%	76.4%	78.0%	77.5%	81.8%	89.2%	92.4%
2006	82.9%	84.5%	79.4%	79.2%	69.6%	69.7%	59.2%	78.8%	74.2%	83.6%	86.6%	85.4%
2007	81.7%	86.4%	76.9%	67.4%	74.1%	77.8%	77.5%	79.1%	80.6%	83.6%	90.1%	90.0%
2008	84.8%	82.9%	79.7%	79.1%	64.6%	58.8%	70.6%	76.3%	79.9%	85.2%	88.9%	92.4%
2009	88.1%	89.4%	84.8%	66.3%	67.4%	73.6%	72.3%	67.2%	74.4%	86.6%	86.4%	92.2%
2010	86.4%	81.1%	78.4%	69.6%	81.9%	70.2%	58.8%	80.7%	82.8%	82.4%	90.7%	91.5%
2011	91.1%	73.0%	80.8%	70.8%	65.5%	72.9%	81.0%	82.1%	80.2%	84.3%	94.2%	90.9%
2012	88.0%	83.2%	78.3%	75.4%	66.9%	75.4%	76.5%	77.0%	80.8%	86.8%	92.1%	94.4%
2013	92.3%	92.9%	79.3%	77.1%	77.9%	75.1%	73.8%	73.5%	87.7%	85.3%	93.9%	92.1%
2014	94.0%	87.7%	85.0%	85.0%	81.9%	79.1%	79.5%	83.8%	87.2%	91.1%	90.8%	89.2%
2015	87.3%	84.7%	77.4%	71.9%	73.6%	70.7%	73.0%	72.6%	82.5%	87.1%	88.8%	86.7%
2016	88.7%	84.0%	82.3%	74.3%	71.2%	75.3%	74.3%	77.2%	73.9%	89.6%	88.2%	91.3%
2017	89.0%	82.7%	77.6%	77.4%	74.8%	76.3%	82.2%	79.6%	84.1%	88.8%	91.8%	90.9%
2018	88.0%	80.9%	73.8%	66.6%	56.7%	67.9%	63.1%	70.2%	66.6%	74.6%	76.9%	83.1%
2019	87.5%	75.6%	76.0%	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

Monthly Plots

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Jul 2026

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Sep 2026