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
2000	M	0.00	M	M	M	M	M	M	M	M	M	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	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	0.00
2007	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2008	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2009	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2010	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2011	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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
2000	M	M	M	M	M	M	M	M	M	M	M	M
2001	4.0	3.5	8.6	5.1	4.4	4.1	4.1	5.4	3.8	4.4	5.6	5.0
2002	4.3	4.9	4.2	4.6	4.7	5.5	4.6	4.4	4.7	2.6	5.7	4.9
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	1.6	M	M	M	M	5.7	3.1	M	M	M	0.0
2005	4.2	3.0	5.7	6.2	5.9	4.3	5.7	3.8	3.7	5.9	4.1	5.3
2006	7.8	4.3	7.2	5.7	5.5	5.3	5.4	4.6	4.3	4.0	7.8	6.9
2007	6.0	5.7	7.8	4.8	4.7	4.1	5.0	3.0	4.2	4.7	3.9	5.6
2008	5.4	3.0	4.1	4.4	5.0	4.7	5.5	4.1	3.3	4.5	5.8	3.6
2009	3.4	2.8	6.3	5.0	4.5	4.6	3.9	3.9	4.5	4.7	8.9	2.7
2010	5.7	4.3	5.6	6.6	5.1	4.5	4.9	4.0	4.3	5.5	5.0	7.3
2011	4.1	5.6	7.3	5.6	4.6	4.0	4.0	4.0	4.9	4.2	6.3	3.9
2012	7.1	4.5	7.2	4.5	4.5	4.5	3.4	3.5	2.7	3.6	5.5	4.7
2013	1.9	4.9	4.3	5.2	3.9	4.2	4.6	3.9	4.3	4.6	5.0	5.3
2014	4.0	4.5	6.8	6.6	5.4	6.5	5.7	4.8	5.8	7.2	5.8	5.8
2015	5.0	5.6	6.3	6.4	4.9	6.7	7.0	6.6	6.4	4.8	5.0	8.1
2016	5.0	5.8	7.4	6.4	6.2	4.9	6.9	6.1	5.0	6.6	8.0	5.3
2017	5.1	4.5	7.4	6.9	5.7	6.5	6.1	5.3	5.4	5.8	8.4	2.6
2018	7.4	5.0	4.3	6.4	5.8	6.4	6.2	5.0	5.2	4.8	5.7	7.6
2019	5.4	4.1	4.6	7.1	6.0	6.4	5.2	5.9	6.3	6.2	4.4	6.4
2020	9.5	6.0	6.2	5.8	6.2	6.8	6.2	6.6	5.6	5.6	7.6	6.1
2021	7.0	5.2	7.6	6.0	5.3	6.0	5.6	6.2	6.4	7.3	7.5	5.3
2022	5.7	5.2	7.0	7.0	7.0	6.6	5.5	5.7	5.7	6.0	4.7	5.3
2023	6.0	7.5	5.7	8.1	6.1	6.7	6.3	5.5	6.0	6.3	5.6	6.1
2024	5.5	4.5	6.1	6.3	7.0	6.6	6.4	5.5	5.2	6.1	6.6	6.4
2025	3.7	5.4	7.4	7.0	6.3	6.7	6.3	M	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	38.60	40.40	M	57.20	51.80	60.80	M	64.40	M	M	M	44.60
2001	43.09	42.48	44.60	52.58	58.59	64.16	68.81	68.64	63.86	52.96	47.66	40.48
2002	41.41	43.83	42.92	53.12	58.48	68.84	71.72	71.54	64.40	53.31	47.84	43.32
2003	45.06	43.19	47.04	51.56	59.29	69.20	73.52	73.05	66.80	55.69	43.58	41.87
2004	M	48.20	M	M	M	72.14	70.00	71.43	58.00	49.74	43.44	41.80
2005	41.41	45.24	51.39	55.76	63.30	64.16	69.51	73.05	63.74	53.66	43.34	42.28
2006	44.60	42.99	46.28	53.00	62.77	68.66	72.94	71.31	67.10	54.30	43.58	41.81
2007	39.90	45.86	46.94	52.21	61.32	63.87	71.84	69.63	62.45	52.12	44.67	40.08
2008	39.58	43.89	45.65	50.21	61.71	63.97	71.06	70.33	65.47	53.27	48.60	36.97
2009	37.93	42.72	44.46	54.11	61.92	70.62	76.67	72.01	65.55	54.14	46.31	38.27
2010	46.02	47.61	48.95	53.33	58.58	64.25	73.98	73.14	63.23	55.70	43.46	42.42
2011	41.48	40.19	46.72	49.39	56.93	64.41	67.14	71.31	67.16	53.14	44.18	40.94
2012	40.25	43.05	45.18	52.82	60.63	62.60	71.37	73.86	66.38	53.48	47.00	40.83
2013	38.97	43.38	49.42	53.96	61.55	66.50	75.14	72.24	65.66	52.96	45.74	39.14
2014	41.58	39.71	47.62	54.08	63.41	67.04	75.37	74.85	68.96	57.14	46.16	42.92
2015	43.85	49.04	50.93	54.14	66.66	73.40	75.32	72.41	61.70	57.49	43.94	42.34
2016	41.93	46.40	50.58	59.30	65.97	67.52	70.79	72.99	62.90	53.43	49.10	37.23
2017	39.49	40.42	45.88	51.98	61.96	66.50	72.88	76.01	67.94	54.94	45.50	38.45
2018	42.39	40.94	47.56	54.08	66.90	65.30	76.36	74.62	62.54	54.59	47.84	42.80
2019	42.97	36.44	50.46	54.44	66.84	69.02	71.14	72.82	63.80	52.03	47.12	42.92
2020	42.22	42.74	46.46	56.06	63.24	64.94	71.60	70.90	68.00	54.30	46.28	43.03
2021	43.03	40.74	47.56	57.20	60.68	73.22	77.23	74.21	63.86	51.80	46.70	36.12
2022	40.94	44.09	48.32	50.18	56.56	66.08	74.27	77.35	70.94	61.26	41.36	37.57
2023	43.73	41.90	47.33	51.92	69.10	70.88	76.71	75.90	66.20	55.69	46.94	46.05
2024	41.58	44.72	49.13	54.38	61.61	66.38	76.48	73.11	66.14	54.59	46.40	45.12
2025	40.94	40.94	47.97	56.60	60.68	67.64	75.04	M	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	37.40	38.00	M	55.40	50.45	60.80	M	63.50	M	M	M	44.60
2001	36.47	32.77	42.80	39.56	44.66	49.70	54.41	55.98	50.96	42.45	40.52	34.32
2002	36.12	34.83	34.03	38.90	44.37	52.04	55.46	53.02	50.12	42.68	41.24	37.46
2003	38.50	34.96	39.08	40.76	44.37	51.92	55.28	54.76	50.66	47.10	33.98	35.43
2004	M	42.80	M	M	M	69.62	64.20	66.97	56.70	48.33	42.93	41.10
2005	35.54	32.00	40.01	41.72	49.36	52.82	55.57	55.23	48.32	46.75	37.46	36.35
2006	38.85	31.87	36.53	40.46	45.88	52.16	56.10	51.57	49.58	41.81	37.28	36.35
2007	33.23	36.89	38.91	38.94	43.78	51.11	56.92	53.58	49.34	43.57	36.78	34.12
2008	32.59	34.86	34.83	36.03	46.73	49.10	53.99	54.15	49.35	41.79	41.97	31.46
2009	29.08	31.90	33.37	37.45	44.16	52.90	56.12	55.56	51.37	43.09	39.95	32.31
2010	40.26	38.35	37.95	39.86	43.53	50.51	52.90	54.01	51.63	45.05	36.15	36.61
2011	34.57	32.64	37.59	35.75	44.22	51.84	53.65	53.63	50.78	43.85	36.62	35.25
2012	34.38	35.79	35.83	40.88	44.14	50.72	55.57	54.88	47.84	43.50	40.04	35.95
2013	33.57	37.66	37.46	40.64	47.04	53.60	54.24	57.72	53.24	43.32	37.64	33.34
2014	35.43	26.60	37.40	40.04	49.42	50.36	56.39	55.92	51.98	50.46	37.64	36.35
2015	38.33	40.49	39.66	38.84	47.97	54.56	55.81	55.05	48.74	47.27	34.04	36.30
2016	35.48	38.70	39.43	44.24	47.33	52.28	57.03	54.88	48.74	46.69	44.54	31.19
2017	31.30	31.55	36.82	41.78	45.82	50.24	53.89	55.46	51.68	42.45	39.44	31.71
2018	36.99	33.16	34.50	40.64	48.26	52.34	55.11	54.59	49.88	42.80	40.58	35.37
2019	36.18	27.44	32.75	40.10	46.98	52.16	55.63	56.39	52.28	40.65	37.76	39.03
2020	36.30	34.05	33.45	39.38	47.79	52.76	54.53	54.30	54.44	45.41	38.42	37.11
2021	36.82	32.58	35.83	38.78	44.66	54.74	56.21	55.40	51.38	43.67	39.74	29.50
2022	35.41	34.76	37.98	36.14	43.38	51.98	56.15	58.07	50.72	45.30	33.20	31.77
2023	36.94	34.19	34.50	39.86	49.19	51.50	55.57	55.75	49.52	44.77	38.84	40.07
2024	34.73	35.35	36.35	37.40	44.25	50.78	56.39	56.85	51.68	45.76	39.98	38.79
2025	31.83	31.55	38.91	39.14	45.88	51.92	56.05	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
2000	38.00	39.20	M	56.30	51.12	60.80	M	63.95	M	M	M	44.60
2001	39.78	37.62	43.70	46.07	51.63	56.93	61.61	62.31	57.41	47.71	44.09	37.40
2002	38.76	39.33	38.47	46.01	51.42	60.44	63.59	62.28	57.26	48.00	44.54	40.39
2003	41.78	39.07	43.06	46.16	51.83	60.56	64.40	63.91	58.73	51.39	38.78	38.65
2004	M	45.50	M	M	M	70.88	67.10	69.20	57.35	49.04	43.19	41.45
2005	38.47	38.62	45.70	48.74	56.33	58.49	62.54	64.14	56.03	50.20	40.40	39.32
2006	41.73	37.43	41.41	46.73	54.33	60.41	64.52	61.44	58.34	48.05	40.43	39.08
2007	36.56	41.38	42.92	45.57	52.55	57.49	64.38	61.60	55.90	47.85	40.72	37.10
2008	36.09	39.37	40.24	43.12	54.22	56.54	62.53	62.24	57.41	47.53	45.28	34.21
2009	33.50	37.31	38.91	45.78	53.04	61.76	66.40	63.79	58.46	48.62	43.13	35.29
2010	43.14	42.98	43.45	46.60	51.05	57.38	63.44	63.57	57.43	50.37	39.81	39.52
2011	38.02	36.42	42.15	42.57	50.57	58.12	60.39	62.47	58.97	48.49	40.40	38.10
2012	37.31	39.42	40.51	46.85	52.38	56.66	63.47	64.37	57.11	48.49	43.52	38.39
2013	36.27	40.52	43.44	47.30	54.30	60.05	64.69	64.98	59.45	48.14	41.69	36.24
2014	38.50	33.16	42.51	47.06	56.42	58.70	65.88	65.39	60.47	53.80	41.90	39.64
2015	41.09	44.76	45.30	46.49	57.32	63.98	65.56	63.73	55.22	52.38	38.99	39.32
2016	38.71	42.55	45.01	51.77	56.65	59.90	63.91	63.94	55.82	50.06	46.82	34.21
2017	35.40	35.99	41.35	46.88	53.89	58.37	63.38	65.74	59.81	48.69	42.47	35.08
2018	39.69	37.05	41.03	47.36	57.58	58.82	65.74	64.60	56.21	48.69	44.21	39.08
2019	39.58	31.94	41.61	47.27	56.91	60.59	63.38	64.60	58.04	46.34	42.44	40.97
2020	39.26	38.39	39.95	47.72	55.52	58.85	63.06	62.60	61.22	49.85	42.35	40.07
2021	39.93	36.66	41.70	47.99	52.67	63.98	66.72	64.81	57.62	47.74	43.22	32.81
2022	38.18	39.42	43.15	43.16	49.97	59.03	65.21	67.71	60.83	53.28	37.28	34.67
2023	40.33	38.04	40.91	45.89	59.15	61.19	66.14	65.82	57.86	50.23	42.89	43.06
2024	38.15	40.04	42.74	45.89	52.93	58.58	66.43	64.98	58.91	50.17	43.19	41.96
2025	36.38	36.24	43.44	47.87	53.28	59.78	65.55	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
2000	M	M	M	M	M	M	M	M	M	M	M	M
2001	90.0%	81.8%	91.4%	75.2%	73.4%	75.3%	74.9%	82.1%	83.4%	84.7%	88.1%	90.0%
2002	90.9%	83.6%	82.5%	78.2%	74.5%	72.1%	73.7%	75.6%	81.1%	90.2%	92.9%	91.7%
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	91.5%	M	M	M	M	73.2%	64.1%	M	M	M	93.9%
2005	88.8%	81.9%	81.1%	75.6%	78.2%	78.6%	75.3%	76.2%	80.9%	88.6%	90.0%	91.7%
2006	88.2%	78.2%	81.4%	76.8%	69.8%	72.7%	71.0%	73.3%	77.4%	85.1%	86.8%	86.2%
2007	87.8%	88.4%	80.8%	78.1%	73.9%	75.6%	75.8%	79.3%	83.4%	86.9%	88.5%	87.2%
2008	86.6%	87.7%	81.0%	71.3%	74.1%	74.7%	72.0%	77.9%	80.3%	87.3%	86.3%	88.1%
2009	90.3%	82.9%	75.6%	70.6%	71.8%	68.6%	71.5%	73.7%	80.0%	83.6%	86.3%	86.8%
2010	90.6%	86.4%	80.3%	74.8%	77.2%	76.8%	69.5%	72.3%	84.0%	85.7%	87.3%	86.6%
2011	89.1%	82.8%	83.7%	77.0%	78.8%	76.1%	79.0%	76.1%	78.8%	87.9%	84.8%	88.7%
2012	84.3%	85.6%	79.9%	80.2%	69.4%	77.8%	79.0%	74.1%	79.5%	85.5%	88.1%	88.0%
2013	91.4%	87.2%	80.1%	74.9%	78.6%	79.1%	70.0%	79.4%	84.4%	87.9%	86.7%	90.4%
2014	95.5%	81.3%	84.8%	78.6%	77.4%	75.4%	73.9%	77.4%	80.6%	92.0%	89.2%	93.2%
2015	95.5%	91.3%	87.3%	78.7%	76.5%	66.1%	70.1%	76.2%	83.6%	90.5%	90.3%	89.6%
2016	93.1%	89.7%	82.4%	78.6%	70.9%	77.7%	76.9%	76.7%	85.0%	90.5%	90.7%	89.7%
2017	84.2%	85.7%	85.3%	82.3%	77.3%	72.7%	70.7%	72.6%	77.3%	84.0%	86.0%	93.2%
2018	91.7%	83.5%	82.8%	76.8%	72.7%	74.6%	71.6%	74.6%	84.5%	89.0%	91.1%	89.0%
2019	90.3%	81.1%	75.2%	77.9%	73.5%	70.3%	77.7%	78.5%	85.0%	85.6%	90.1%	91.8%
2020	88.3%	86.6%	77.4%	74.0%	75.5%	79.9%	78.2%	78.3%	84.9%	89.4%	87.5%	93.9%
2021	92.2%	86.2%	80.4%	73.9%	78.7%	74.3%	70.6%	73.3%	84.9%	88.1%	90.4%	89.9%
2022	94.8%	86.1%	85.6%	78.1%	80.5%	80.7%	81.0%	76.9%	76.9%	85.6%	91.3%	95.0%
2023	95.9%	88.4%	82.2%	84.1%	76.3%	71.6%	70.3%	74.9%	81.0%	88.4%	89.9%	93.2%
2024	90.3%	88.1%	84.8%	76.1%	75.9%	77.1%	72.2%	81.6%	85.9%	89.8%	90.6%	93.6%
2025	93.2%	88.5%	88.5%	77.1%	75.9%	75.7%	71.3%	M	M	M	M	M

Monthly Plots

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