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	5.5	7.3	8.2
2014	7.8	9.0	8.2	6.9	8.1	8.4	8.8	6.4	5.7	4.3	5.1	6.8
2015	6.3	6.7	7.0	6.8	6.0	7.0	5.3	3.4	3.5	3.6	4.2	4.1
2016	4.8	4.5	5.8	7.4	6.5	7.9	6.4	4.4	4.4	4.5	4.8	6.8
2017	6.6	6.5	6.5	6.5	7.4	8.2	7.3	5.8	5.8	4.9	5.8	8.8
2018	6.9	8.1	8.2	7.0	8.4	10.1	8.5	6.1	5.7	6.2	7.4	7.2
2019	8.4	11.2	9.8	10.4	10.1	11.4	11.1	9.8	6.9	9.1	9.6	8.5
2020	9.2	9.9	10.7	10.7	10.2	11.8	9.7	9.1	7.4	7.7	7.2	7.2
2021	7.5	8.2	9.3	8.5	8.1	9.6	9.5	6.7	6.7	5.7	6.9	6.9
2022	7.7	9.1	8.2	7.3	7.8	9.1	8.8	6.8	6.1	5.1	5.6	6.7
2023	6.5	8.3	7.1	7.1	8.3	8.6	7.6	6.9	5.6	6.6	7.4	7.2
2024	7.0	7.3	8.1	9.4	7.9	9.8	8.8	7.8	6.9	5.7	7.8	6.9
2025	8.2	9.3	8.3	7.5	8.9	9.4	8.5	6.8	6.3	5.9	7.0	7.9
2026	7.2	8.1	8.1	7.5	7.7	8.9	7.9	7.0	6.9	6.7	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	96.13	95.54	87.80
2014	91.34	92.04	99.12	106.22	103.07	101.81	94.83	90.01	92.06	96.92	96.14	89.43
2015	86.75	95.64	98.08	105.56	107.37	101.06	92.91	88.79	90.86	95.87	95.12	86.64
2016	89.19	93.63	98.12	106.28	105.92	101.36	92.39	88.61	91.52	96.45	97.40	90.88
2017	88.85	97.06	104.29	104.78	104.81	99.26	94.88	91.05	93.80	99.88	95.66	88.15
2018	89.02	92.88	102.26	105.02	104.70	100.88	94.88	88.38	89.54	95.41	95.96	90.88
2019	89.08	91.27	97.67	104.12	104.81	102.44	95.23	90.70	92.72	94.94	95.84	93.26
2020	88.67	95.37	101.15	105.02	105.74	101.12	94.19	89.08	90.44	95.41	94.34	94.30
2021	94.77	95.77	99.41	106.52	105.45	101.90	95.17	89.66	93.26	95.17	97.58	93.20
2022	89.19	93.71	100.40	105.80	105.45	100.82	93.84	89.14	89.66	94.54	94.82	92.15
2023	91.46	97.31	102.78	103.46	106.73	101.84	95.93	91.92	92.84	97.61	98.24	91.52
2024	94.25	96.49	104.52	107.06	109.23	102.38	92.74	89.19	89.48	94.01	97.04	91.23
2025	89.83	94.81	105.86	107.60	106.55	103.04	92.91	88.61	90.92	96.22	98.54	87.74
2026	92.27	97.83	101.68	102.97	107.14	101.54	97.22	95.58	97.58	95.36	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	72.05	67.76	62.25
2014	63.70	62.92	69.22	77.42	83.10	82.47	78.34	75.90	76.34	74.45	69.44	62.77
2015	60.63	66.20	72.59	77.54	83.56	82.22	77.41	75.55	76.28	78.05	68.12	60.93
2016	63.65	63.16	71.32	80.66	86.41	83.42	77.23	74.27	77.60	76.25	68.48	65.33
2017	58.54	70.06	75.43	79.94	83.39	81.38	77.99	77.17	77.48	75.20	67.04	62.54
2018	62.08	71.02	74.85	79.76	82.28	82.16	78.80	75.32	77.84	76.48	70.82	61.85
2019	59.00	66.07	73.05	81.74	83.68	83.36	78.80	76.48	77.54	78.92	71.60	63.53
2020	62.02	67.81	75.49	82.34	84.95	81.50	77.87	76.19	75.98	74.45	65.66	66.84
2021	64.05	68.58	75.95	80.06	85.65	83.54	78.28	75.90	79.04	77.81	72.92	65.45
2022	60.28	67.55	77.93	80.42	83.39	80.30	76.83	74.68	75.63	73.92	65.18	64.23
2023	60.80	68.77	73.05	78.08	84.72	81.26	77.99	76.42	77.06	86.81	79.40	63.76
2024	62.77	65.89	79.15	83.72	86.99	83.90	78.16	77.23	77.54	77.87	69.68	59.93
2025	62.72	67.94	79.79	82.16	85.13	81.38	77.06	76.01	76.16	76.88	69.98	64.92
2026	62.37	65.30	77.23	78.86	86.29	82.10	80.36	78.63	79.52	77.72	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	84.09	81.65	75.03
2014	77.52	77.48	84.17	91.82	93.08	92.13	86.58	82.95	84.20	85.68	82.79	76.10
2015	73.69	80.92	85.33	91.55	95.46	91.64	85.16	82.17	83.57	86.96	81.62	73.79
2016	76.42	78.40	84.72	93.47	96.16	92.39	84.81	81.44	84.56	86.35	82.94	78.10
2017	73.69	83.56	89.86	92.36	94.10	90.32	86.44	84.11	85.64	87.54	81.35	75.35
2018	75.55	81.95	88.55	92.39	93.49	91.52	86.84	81.85	83.69	85.94	83.39	76.36
2019	74.04	78.67	85.36	92.93	94.25	92.90	87.02	83.59	85.13	86.93	83.72	78.39
2020	75.35	81.59	88.32	93.68	95.35	91.31	86.03	82.63	83.21	84.93	80.00	80.57
2021	79.41	82.17	87.68	93.29	95.55	92.72	86.73	82.78	86.15	86.49	85.25	79.32
2022	74.74	80.63	89.16	93.11	94.42	90.56	85.33	81.91	82.65	84.23	80.00	78.19
2023	76.13	83.04	87.92	90.77	95.73	91.55	86.96	84.17	84.95	92.21	88.82	77.64
2024	78.51	81.19	91.84	95.39	98.11	93.14	85.45	83.21	83.51	85.94	83.36	75.58
2025	76.27	81.37	92.82	94.88	95.84	92.21	84.98	82.31	83.54	86.55	84.26	76.33
2026	77.32	81.56	89.45	90.92	96.71	91.82	88.79	87.10	88.55	86.54	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	49.4%	40.7%	37.2%
2014	28.2%	21.4%	16.6%	21.5%	39.2%	47.0%	61.7%	75.1%	73.0%	57.8%	39.7%	29.2%
2015	23.1%	22.2%	19.2%	15.6%	31.6%	49.4%	71.0%	81.0%	77.9%	66.8%	41.3%	35.6%
2016	30.5%	24.9%	20.0%	26.7%	36.2%	48.3%	70.3%	78.9%	76.3%	61.6%	42.9%	33.1%
2017	27.5%	18.9%	19.3%	27.4%	40.5%	52.9%	63.6%	73.7%	70.8%	46.1%	30.2%	28.9%
2018	23.7%	22.3%	16.7%	18.7%	30.5%	49.4%	61.3%	78.7%	73.3%	61.9%	44.2%	33.1%
2019	26.1%	18.3%	21.6%	23.9%	37.6%	45.3%	60.9%	75.6%	72.7%	57.7%	35.1%	29.3%
2020	23.8%	19.0%	17.3%	21.5%	30.2%	50.1%	67.0%	79.9%	77.3%	61.3%	39.7%	35.2%
2021	25.3%	19.9%	19.0%	20.5%	34.9%	44.7%	62.5%	76.9%	68.4%	63.9%	37.3%	28.6%
2022	24.3%	18.7%	19.9%	19.5%	30.1%	49.6%	66.0%	78.4%	77.9%	66.0%	41.9%	33.4%
2023	27.1%	18.9%	18.8%	20.9%	33.3%	50.4%	65.1%	76.2%	74.6%	64.2%	26.5%	28.2%
2024	25.2%	23.3%	17.7%	22.0%	34.2%	52.9%	73.4%	79.4%	79.7%	66.7%	33.0%	32.9%
2025	28.2%	24.7%	24.0%	27.0%	41.9%	52.9%	73.4%	79.0%	77.9%	64.7%	37.3%	35.1%
2026	29.5%	19.9%	23.3%	21.5%	37.8%	52.5%	63.4%	69.7%	65.1%	64.2%	M	M

Monthly Plots

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Sep 2026

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