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	0.00	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	3.9	M	M	M	M	M
2002	M	6.5	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	5.5	4.5	4.7	4.0	4.8	3.5	4.8	4.8
2005	6.3	5.6	3.6	5.6	4.8	5.1	5.0	4.2	4.3	2.5	4.2	5.5
2006	4.2	6.4	8.6	4.5	5.2	4.5	4.5	5.1	3.6	3.5	3.8	4.7
2007	8.1	6.0	6.4	4.4	6.2	5.9	6.4	4.6	4.7	6.5	7.0	7.8
2008	4.7	5.8	9.7	6.4	6.1	5.1	5.1	4.7	5.8	4.3	5.1	5.1
2009	5.3	5.2	8.0	5.1	5.4	7.1	5.6	4.5	5.0	4.2	5.4	4.4
2010	4.7	4.6	8.1	6.5	6.2	5.6	4.8	5.5	4.2	4.8	5.4	4.0
2011	5.0	3.5	6.3	5.3	4.8	5.5	5.4	4.7	4.3	4.1	3.0	8.6
2012	8.3	7.3	5.0	6.8	6.1	4.9	5.4	4.0	4.3	4.0	3.8	5.6
2013	4.7	6.9	5.4	6.1	6.1	5.6	5.0	4.1	5.0	4.4	7.0	4.1
2014	3.7	4.8	4.3	4.9	6.3	5.2	4.8	4.3	3.9	3.6	3.1	5.2
2015	6.2	6.3	7.4	6.5	5.6	5.7	6.0	3.9	6.0	3.9	5.5	3.0
2016	5.9	7.9	7.0	5.6	5.3	4.5	4.4	3.9	3.8	5.2	5.0	3.7
2017	6.2	5.2	6.7	5.4	5.0	5.6	5.3	4.1	4.2	3.9	5.5	6.1
2018	8.7	8.0	6.1	5.5	5.2	5.6	3.7	4.2	4.3	4.5	3.5	7.1
2019	5.6	4.6	9.0	5.1	6.2	4.1	4.8	3.8	5.1	4.2	4.6	6.2
2020	4.9	10.0	8.0	5.1	7.1	5.3	4.6	3.9	4.5	4.7	3.3	3.9
2021	6.5	5.6	6.2	7.0	6.9	4.1	4.4	4.6	3.6	4.2	5.0	5.1
2022	6.2	8.1	4.9	7.1	4.7	4.6	4.9	5.4	5.1	3.4	4.0	4.7
2023	7.0	6.1	6.9	6.7	6.6	5.2	5.6	4.7	3.6	4.3	6.9	6.0
2024	6.8	4.9	5.1	6.5	4.7	5.0	4.2	3.6	4.9	3.7	4.9	5.5
2025	6.4	4.5	5.4	6.2	5.2	5.3	4.6	4.0	4.1	6.5	3.2	3.2

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	71.60	M	M	M	46.40	M
2002	M	35.60	M	M	M	M	M	M	M	M	M	M
2003	36.02	34.80	57.37	58.46	67.77	84.26	79.85	85.42	69.44	50.87	46.16	39.14
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	47.50	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	50.00	M
2010	42.80	M	M	M	59.00	M	M	69.80	M	M	44.60	34.03
2011	34.25	26.60	M	69.80	65.30	70.70	64.40	79.16	72.80	58.48	46.64	42.97
2012	41.17	33.55	59.29	57.14	69.45	73.94	75.95	78.80	67.58	57.95	47.30	38.97
2013	37.57	35.73	43.85	57.50	60.68	71.78	81.01	77.12	68.78	59.70	44.84	37.86
2014	41.93	45.05	56.15	61.88	64.69	76.40	74.39	71.54	71.06	63.06	47.90	41.93
2015	39.72	38.04	53.54	61.34	67.48	77.12	85.42	80.08	65.84	55.46	51.74	42.28
2016	42.16	44.85	49.59	57.50	65.04	71.54	78.80	78.39	73.04	54.70	45.68	36.30
2017	31.30	46.91	57.20	59.48	68.99	78.62	78.80	79.26	65.54	62.43	46.64	38.74
2018	45.47	36.31	45.76	67.58	70.26	76.46	80.95	81.47	74.48	63.01	46.34	42.39
2019	37.34	48.07	54.12	58.58	61.26	78.14	81.53	78.16	71.18	59.99	46.28	42.80
2020	41.87	50.31	52.38	67.40	68.12	72.50	79.44	78.10	71.18	55.75	46.94	40.77
2021	38.10	46.53	51.74	58.46	61.03	77.12	75.20	73.75	72.14	58.07	43.58	39.84
2022	41.12	47.43	56.97	58.76	72.59	79.28	82.28	81.65	67.22	64.63	50.24	41.06
2023	41.35	47.69	53.08	55.82	67.48	81.02	80.89	79.26	77.00	64.98	48.44	43.79
2024	42.16	51.68	54.88	59.24	66.32	73.94	79.79	81.53	66.56	58.30	45.50	38.50
2025	40.36	42.61	54.76	63.02	66.26	80.30	76.13	79.21	67.82	56.74	46.10	45.02

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	59.00	M	M	M	44.60	M
2002	M	32.00	M	M	M	M	M	M	M	M	M	M
2003	30.92	25.07	35.77	39.98	51.92	63.26	60.80	61.32	49.10	40.59	36.98	31.38
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	34.29	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	50.00	M
2010	42.80	M	M	M	57.20	M	M	69.80	M	M	41.00	23.58
2011	27.16	26.60	M	68.00	50.90	65.75	61.70	51.98	50.90	41.29	36.50	32.41
2012	32.75	19.15	32.81	40.28	47.21	55.28	55.92	55.86	48.62	42.92	36.98	28.23
2013	27.41	25.51	30.72	41.06	45.12	52.16	58.19	56.15	51.26	47.27	35.72	28.34
2014	30.95	32.45	32.41	41.66	44.83	52.46	56.39	54.30	51.20	47.56	40.52	31.25
2015	29.56	26.34	34.32	37.88	48.32	54.92	60.45	57.90	47.66	42.34	37.16	33.34
2016	30.78	33.55	31.88	40.22	46.23	55.16	57.43	56.10	51.80	41.17	34.76	28.57
2017	21.78	31.49	36.18	36.68	46.98	56.60	57.43	57.08	47.30	41.17	34.04	30.43
2018	35.77	27.82	32.23	41.06	50.06	55.76	57.84	58.54	49.82	41.00	37.16	35.60
2019	27.24	27.63	33.28	37.28	42.51	54.02	58.01	55.52	49.10	46.23	36.86	32.64
2020	29.56	34.67	33.45	39.08	45.47	53.06	56.10	57.14	50.96	43.44	37.16	33.05
2021	29.10	30.97	31.83	34.46	43.32	56.06	57.43	55.17	51.26	39.90	34.94	32.52
2022	29.45	31.04	30.49	39.14	49.54	55.28	57.90	57.78	50.36	48.84	39.14	32.41
2023	31.77	28.21	34.96	40.22	49.07	54.56	58.48	58.59	53.42	44.72	36.74	33.80
2024	30.14	35.72	37.05	38.96	48.61	56.24	59.23	59.35	50.24	47.33	35.18	30.78
2025	29.27	31.29	34.26	39.08	45.65	56.78	56.62	56.10	51.98	43.50	34.40	38.23

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	65.30	M	M	M	45.50	M
2002	M	33.80	M	M	M	M	M	M	M	M	M	M
2003	33.47	29.93	46.57	49.22	59.84	73.76	70.32	73.37	59.27	45.73	41.57	35.26
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	40.89	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	50.00	M
2010	42.80	M	M	M	58.10	M	M	69.80	M	M	42.80	28.81
2011	30.71	26.60	M	68.90	58.10	68.23	63.05	65.57	61.85	49.88	41.57	37.69
2012	36.96	26.35	46.05	48.71	58.33	64.61	65.94	67.33	58.10	50.44	42.14	33.60
2013	32.49	30.62	37.28	49.28	52.90	61.97	69.60	66.64	60.02	53.48	40.28	33.10
2014	36.44	38.75	44.28	51.77	54.76	64.43	65.39	62.92	61.13	55.31	44.21	36.59
2015	34.64	32.19	43.93	49.61	57.90	66.02	72.94	68.99	56.75	48.90	44.45	37.81
2016	36.47	39.20	40.74	48.86	55.63	63.35	68.12	67.25	62.42	47.94	40.22	32.44
2017	26.54	39.20	46.69	48.08	57.98	67.61	68.12	68.17	56.42	51.80	40.34	34.58
2018	40.62	32.06	39.00	54.32	60.16	66.11	69.39	70.00	62.15	52.00	41.75	39.00
2019	32.29	37.85	43.70	47.93	51.89	66.08	69.77	66.84	60.14	53.11	41.57	37.72
2020	35.72	42.49	42.92	53.24	56.79	62.78	67.77	67.62	61.07	49.59	42.05	36.91
2021	33.60	38.75	41.78	46.46	52.18	66.59	66.32	64.46	61.70	48.98	39.26	36.18
2022	35.28	39.23	43.73	48.95	61.06	67.28	70.09	69.71	58.79	56.74	44.69	36.73
2023	36.56	37.95	44.02	48.02	58.27	67.79	69.68	68.93	65.21	54.85	42.59	38.79
2024	36.15	43.70	45.96	49.10	57.46	65.09	69.51	70.44	58.40	52.82	40.34	34.64
2025	34.82	36.95	44.51	51.05	55.95	68.54	66.37	67.65	59.90	50.12	40.25	41.62

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	70.8%	M	M	M	M	M
2002	M	82.0%	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	66.5%	73.5%	72.6%	78.1%	77.3%	87.8%	84.4%	88.1%
2005	83.4%	80.6%	76.6%	76.2%	73.5%	66.6%	71.6%	74.9%	80.0%	89.1%	84.6%	85.4%
2006	85.5%	83.2%	78.7%	76.8%	76.2%	69.7%	68.3%	79.5%	83.0%	86.5%	85.5%	87.1%
2007	83.6%	85.1%	78.0%	66.5%	74.4%	76.4%	74.5%	77.5%	77.9%	81.5%	81.5%	85.4%
2008	85.4%	79.3%	73.7%	75.3%	70.3%	72.4%	70.2%	75.8%	80.1%	85.4%	87.5%	88.6%
2009	87.7%	83.4%	74.5%	72.8%	73.0%	69.5%	72.4%	73.3%	78.3%	82.1%	88.4%	86.8%
2010	85.5%	83.7%	72.3%	67.4%	75.8%	74.5%	67.1%	76.6%	77.9%	83.0%	85.5%	86.4%
2011	86.3%	87.2%	75.7%	67.0%	69.5%	75.8%	73.1%	75.7%	83.4%	90.9%	97.0%	91.2%
2012	86.5%	76.5%	71.3%	76.3%	72.0%	77.5%	74.2%	75.5%	83.8%	89.8%	92.4%	91.3%
2013	90.9%	81.7%	81.3%	77.4%	79.3%	73.9%	71.2%	73.0%	80.3%	88.0%	83.6%	93.5%
2014	90.9%	88.3%	76.6%	72.7%	75.6%	66.8%	79.7%	77.1%	80.8%	88.9%	95.6%	90.5%
2015	90.9%	87.1%	74.8%	68.6%	73.3%	70.4%	58.8%	71.7%	75.2%	86.4%	88.2%	97.0%
2016	91.7%	86.8%	79.2%	79.0%	78.1%	81.6%	72.9%	73.7%	81.7%	84.3%	89.1%	94.4%
2017	88.1%	85.3%	78.0%	68.4%	73.5%	69.5%	71.6%	74.5%	79.9%	82.5%	85.9%	90.1%
2018	89.1%	77.9%	83.8%	69.7%	75.6%	70.0%	69.8%	69.0%	71.4%	81.3%	93.3%	91.2%
2019	86.9%	84.0%	75.7%	77.3%	78.3%	76.9%	68.7%	74.9%	73.5%	90.6%	92.2%	91.4%
2020	91.8%	78.7%	73.5%	62.6%	70.0%	75.9%	66.9%	74.4%	81.5%	88.5%	94.5%	95.5%
2021	91.0%	86.5%	76.2%	62.8%	75.2%	75.5%	79.1%	76.5%	80.7%	86.1%	90.6%	93.6%
2022	86.1%	79.0%	66.9%	70.5%	72.0%	71.8%	63.3%	67.6%	79.4%	91.4%	93.7%	94.6%
2023	89.7%	82.7%	80.3%	77.9%	75.6%	61.8%	67.5%	74.2%	79.4%	85.6%	89.8%	92.5%
2024	89.2%	88.4%	85.4%	79.0%	83.1%	79.5%	74.1%	75.4%	84.7%	94.6%	97.6%	97.4%
2025	96.5%	97.2%	84.2%	77.8%	79.5%	76.8%	76.8%	78.4%	85.5%	90.5%	95.8%	98.9%

Monthly Plots

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