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.

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Precipitation Totals [inch]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
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	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
2026	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
2013	M	M	M	M	M	M	M	M	M	5.4	5.2	6.9
2014	6.1	8.0	5.9	3.8	5.6	6.8	6.1	4.1	3.9	2.8	2.9	5.0
2015	4.9	4.8	5.2	5.4	5.2	6.9	5.4	4.6	4.4	3.6	3.7	4.5
2016	4.3	5.1	4.0	4.2	6.8	7.7	7.1	5.9	5.4	4.4	4.3	5.5
2017	4.9	5.7	6.1	5.4	7.4	7.1	7.1	6.5	5.8	4.9	4.3	5.3
2018	4.9	5.4	6.3	5.8	6.3	7.4	7.1	6.0	4.5	4.4	4.3	4.6
2019	4.2	5.3	6.0	6.0	6.0	6.9	7.3	7.4	5.6	5.6	4.6	5.0
2020	5.9	6.8	5.8	6.6	6.7	7.6	7.1	7.1	5.2	4.9	4.9	4.5
2021	5.7	5.7	6.6	6.2	6.6	7.6	8.5	6.0	5.4	5.3	5.4	5.1
2022	6.5	6.3	5.8	6.2	6.9	7.8	8.1	6.3	5.0	4.4	4.4	5.5
2023	5.2	6.7	5.6	6.1	7.1	7.3	6.6	6.8	5.6	4.5	4.2	4.8
2024	4.8	5.8	5.0	6.8	6.2	8.5	8.0	6.7	5.6	4.8	5.2	5.0
2025	5.2	5.8	5.8	7.1	7.2	8.0	7.9	6.4	5.5	4.5	4.3	5.3
2026	5.5	5.8	6.2	6.3	7.4	8.2	8.2	6.2	6.9	5.4	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2013	M	M	M	M	M	M	M	M	M	97.93	97.40	88.90
2014	90.82	90.76	99.01	106.88	103.94	105.61	99.24	90.35	93.44	100.52	97.70	88.61
2015	86.35	94.42	97.09	107.90	108.65	105.68	96.63	91.17	91.04	98.31	95.66	87.48
2016	89.48	92.70	97.01	106.34	108.65	104.42	93.84	90.82	93.50	99.41	97.76	89.95
2017	87.74	96.35	103.77	105.80	107.08	102.62	93.20	93.61	96.56	103.25	97.10	85.94
2018	88.21	90.31	100.86	103.52	108.01	104.66	93.55	89.14	91.04	101.45	97.22	91.57
2019	88.09	91.85	96.45	103.76	108.12	107.12	97.61	93.26	94.58	99.35	98.36	93.61
2020	88.09	97.42	100.05	105.02	108.06	103.04	93.32	90.47	91.70	97.96	96.80	94.65
2021	92.74	94.87	99.47	108.08	107.31	103.46	96.74	91.11	94.82	101.10	99.38	93.55
2022	90.99	93.71	98.83	105.68	107.02	100.04	93.37	88.73	89.54	96.86	96.26	93.03
2023	90.65	96.29	102.95	104.72	106.67	105.56	93.95	92.15	95.78	99.99	98.66	91.75
2024	94.42	96.74	102.66	107.54	109.98	105.74	94.94	89.95	90.50	97.50	98.48	91.81
2025	88.96	92.24	104.17	107.90	108.24	102.44	91.81	88.79	91.04	100.28	98.60	86.87
2026	88.85	96.61	99.47	103.46	109.46	105.02	95.12	92.56	95.78	86.00	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2013	M	M	M	M	M	M	M	M	M	77.45	67.82	62.77
2014	60.74	59.77	66.78	76.04	84.38	85.60	81.94	76.54	77.30	76.48	69.98	61.44
2015	61.32	64.91	71.60	83.18	86.81	88.58	81.41	76.94	76.28	78.63	66.86	62.28
2016	65.04	62.60	67.93	82.16	88.90	86.18	78.92	77.06	76.40	76.77	67.64	63.76
2017	56.04	66.97	75.26	77.90	87.39	84.56	78.10	78.16	78.14	76.36	67.40	58.13
2018	57.55	66.20	71.25	77.90	83.50	86.96	78.68	75.78	76.82	78.05	69.98	59.23
2019	56.27	61.96	67.13	76.88	83.97	87.20	80.48	78.51	77.36	76.94	69.68	62.08
2020	61.50	69.43	69.68	82.04	85.94	84.74	79.90	77.52	76.10	73.40	65.18	61.90
2021	59.06	65.88	71.48	81.62	87.28	85.70	80.31	76.77	77.72	78.86	74.72	66.43
2022	63.76	66.39	71.25	78.38	82.92	82.82	79.09	75.20	75.39	75.78	64.46	65.62
2023	59.52	66.97	71.95	77.72	86.41	84.62	77.58	77.46	77.30	77.93	66.98	60.92
2024	63.24	65.89	73.92	83.72	87.39	87.50	80.14	77.87	76.34	75.49	69.38	62.31
2025	58.83	64.14	76.54	84.98	88.03	82.58	77.99	75.03	76.04	75.26	68.12	60.80
2026	59.41	64.08	75.37	75.08	88.03	83.06	79.44	77.23	77.90	75.80	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2013	M	M	M	M	M	M	M	M	M	87.69	82.61	75.84
2014	75.78	75.26	82.89	91.46	94.04	95.60	90.59	83.45	85.37	88.50	83.84	75.03
2015	73.84	79.67	84.35	95.54	97.73	97.13	89.02	84.05	83.66	88.47	81.26	74.88
2016	77.26	77.65	82.47	94.25	98.77	95.30	86.38	83.94	84.95	88.09	82.70	76.85
2017	71.89	81.66	89.51	91.85	97.24	93.59	85.65	85.88	87.35	89.80	82.25	72.04
2018	72.88	78.25	86.06	90.71	95.75	95.81	86.12	82.46	83.93	89.75	83.60	75.40
2019	72.18	76.90	81.79	90.32	96.05	97.16	89.05	85.88	85.97	88.15	84.02	77.84
2020	74.79	83.42	84.87	93.53	97.00	93.89	86.61	84.00	83.90	85.68	80.99	78.28
2021	75.90	80.37	85.48	94.85	97.29	94.58	88.53	83.94	86.27	89.98	87.05	79.99
2022	77.38	80.05	85.04	92.03	94.97	91.43	86.23	81.96	82.46	86.32	80.36	79.32
2023	75.08	81.63	87.45	91.22	96.54	95.09	85.77	84.81	86.54	88.96	82.82	76.33
2024	78.83	81.31	88.29	95.63	98.69	96.62	87.54	83.91	83.42	86.49	83.93	77.06
2025	73.89	78.19	90.35	96.44	98.14	92.51	84.90	81.91	83.54	87.77	83.36	73.84
2026	74.13	80.34	87.42	89.27	98.75	94.04	87.28	84.90	86.84	80.90	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
2013	M	M	M	M	M	M	M	M	M	43.9%	29.2%	32.2%
2014	25.1%	17.0%	13.7%	14.5%	34.4%	37.8%	53.0%	72.6%	68.8%	45.8%	28.6%	23.1%
2015	17.1%	16.7%	14.0%	10.9%	18.5%	30.9%	57.3%	73.9%	76.3%	58.2%	29.0%	22.2%
2016	25.4%	16.2%	17.1%	18.3%	25.5%	35.6%	63.4%	75.1%	71.6%	53.4%	30.0%	25.2%
2017	21.4%	18.7%	15.1%	16.6%	32.3%	44.7%	68.7%	69.0%	64.6%	31.1%	22.6%	24.1%
2018	21.8%	21.5%	15.1%	17.2%	27.2%	35.5%	64.5%	76.8%	71.9%	43.7%	31.2%	24.5%
2019	20.7%	16.5%	22.8%	19.3%	23.1%	30.4%	57.4%	67.9%	69.3%	50.9%	26.7%	20.8%
2020	18.9%	13.6%	16.6%	19.2%	21.1%	43.4%	65.5%	75.8%	75.5%	55.4%	30.1%	33.5%
2021	25.8%	25.4%	16.6%	15.7%	27.0%	41.6%	58.2%	74.1%	68.4%	43.6%	28.3%	23.5%
2022	19.2%	18.8%	20.3%	19.7%	26.5%	50.0%	68.6%	81.7%	80.2%	61.1%	29.6%	27.6%
2023	23.2%	20.2%	19.2%	19.7%	31.4%	41.6%	71.9%	74.4%	69.6%	52.9%	26.1%	21.8%
2024	17.5%	15.0%	18.0%	18.0%	22.8%	34.4%	64.2%	78.0%	78.7%	55.9%	27.1%	27.9%
2025	24.7%	23.3%	27.3%	30.2%	29.1%	47.2%	70.5%	79.7%	77.2%	55.6%	32.5%	28.8%
2026	31.9%	20.0%	24.1%	20.6%	27.2%	42.9%	64.2%	74.1%	69.9%	80.4%	M	M

Monthly Plots

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Sep 2026

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