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 (USW00003940) 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
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	0.03	2.39	2.36	2.72	0.63	0.12	0.25	0.05
2022	0.51	1.26	4.23	1.79	0.76	1.80	0.06	1.17	0.09	0.69	0.42	0.98
2023	0.71	0.25	0.35	0.62	0.80	0.49	M	M	0.06	0.02	0.03	M
2024	M	0.01	M	0.93	2.79	2.22	0.93	2.07	2.00	M	2.87	1.20
2025	3.02	1.21	2.31	2.11	0.91	0.24	0.33	0.02	0.02	0.02	0.10	M
2026	M	M	M	1.03	2.40	1.30	0.02	0.01	M	M	M	M
NCEI Climatology	5.42	5.28	5.68	5.84	4.36	4.43	5.02	4.69	3.48	3.80	4.40	5.13

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2015	M	M	M	0.0	2.7	2.6	3.4	2.8	1.9	2.8	2.5	3.5
2016	3.9	4.2	4.3	3.1	3.0	2.1	2.9	1.9	1.9	2.1	2.1	3.4
2017	4.3	4.4	4.0	3.9	3.4	2.5	2.3	2.0	1.4	2.8	2.7	3.1
2018	3.4	3.8	4.1	4.0	2.0	2.7	2.1	2.1	1.4	2.1	3.0	3.1
2019	3.5	3.8	3.9	3.6	2.8	2.5	2.6	1.4	2.0	1.9	2.4	2.6
2020	2.6	3.4	3.9	3.1	2.9	3.0	2.4	2.3	2.4	2.2	1.8	2.3
2021	3.2	3.3	3.6	1.3	2.7	2.7	1.9	2.2	1.6	2.5	1.7	3.5
2022	5.2	4.4	3.5	4.9	4.4	2.4	1.8	1.3	1.2	2.6	2.9	4.3
2023	5.2	5.1	4.6	3.6	2.2	2.9	3.2	3.5	1.8	3.1	2.5	3.3
2024	4.9	5.6	3.6	5.6	3.9	2.5	1.9	2.6	2.4	1.2	3.9	3.4
2025	4.3	5.1	6.0	5.6	3.8	3.0	1.9	0.9	1.7	1.8	2.7	4.1
2026	4.5	4.7	5.9	4.6	3.4	3.9	4.1	3.1	1.6	M	M	M
NCEI Climatology	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
2015	M	M	M	62.60	81.12	87.32	91.75	92.85	87.80	76.71	65.39	61.44
2016	54.24	61.17	69.74	73.70	79.90	88.82	91.57	89.25	88.22	83.21	70.58	60.74
2017	64.14	67.62	70.30	76.64	79.55	82.94	88.79	85.36	83.78	77.00	67.64	55.75
2018	50.41	66.84	67.71	70.34	85.07	87.98	89.02	89.02	84.92	76.01	58.58	56.91
2019	54.06	64.08	63.65	73.22	82.57	85.94	87.80	M	92.02	74.50	61.82	59.29
2020	57.26	59.37	72.59	71.48	79.03	85.46	88.21	87.51	82.40	75.20	68.12	56.62
2021	53.72	52.06	69.45	72.20	75.95	80.97	79.70	84.26	77.77	72.02	55.64	63.34
2022	51.05	52.60	63.20	71.91	84.04	89.42	87.20	84.65	84.56	75.26	64.52	59.75
2023	57.05	65.04	67.44	72.22	82.10	88.10	85.88	90.26	87.99	79.64	64.88	60.51
2024	51.74	63.76	68.00	75.49	83.24	87.92	87.22	87.39	70.95	M	61.40	61.22
2025	49.19	60.44	71.43	76.69	79.13	85.44	85.66	80.93	82.14	72.16	61.23	53.41
2026	49.55	60.93	75.32	79.28	80.77	87.50	93.14	93.55	93.62	M	M	M
NCEI Climatology	57.40	62.12	69.40	76.50	83.80	89.91	92.10	92.21	87.80	78.30	67.20	59.60

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2015	M	M	M	53.60	45.35	53.84	67.54	64.86	56.72	44.19	20.02	20.50
2016	32.46	40.13	49.77	54.98	59.52	69.26	71.54	71.60	66.86	55.46	44.06	40.01
2017	45.80	43.37	49.19	55.16	58.71	67.04	71.14	70.09	62.54	54.06	45.02	36.82
2018	29.50	47.94	46.52	46.88	63.76	69.20	70.38	69.22	69.32	56.91	40.34	39.32
2019	35.89	44.73	43.03	51.38	63.59	66.98	70.13	M	69.04	54.99	37.70	40.01
2020	40.13	40.44	54.94	51.32	58.71	66.92	71.43	68.93	65.54	53.72	44.78	36.01
2021	36.76	33.67	46.86	46.60	63.20	69.99	72.44	73.21	66.71	59.78	42.14	52.42
2022	35.14	37.67	46.13	54.41	67.22	59.30	72.20	65.30	51.50	51.56	46.16	45.05
2023	40.55	47.11	50.87	54.16	62.90	60.92	39.66	19.52	55.28	56.54	45.62	39.66
2024	35.06	44.02	49.75	55.26	66.86	70.11	73.92	38.27	29.84	M	42.50	41.78
2025	31.77	43.95	50.23	59.00	64.24	70.61	71.60	68.00	66.65	58.01	49.07	42.16
2026	39.59	45.27	54.18	58.40	63.47	71.72	74.56	72.53	72.87	M	M	M
NCEI Climatology	36.60	39.90	46.40	53.31	62.11	69.41	72.19	71.50	66.01	54.20	43.60	38.69

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2015	M	M	M	58.10	63.24	70.58	79.64	78.86	72.26	60.45	42.71	40.97
2016	43.35	50.65	59.75	64.34	69.71	79.04	81.56	80.43	77.54	69.34	57.32	50.38
2017	54.97	55.49	59.74	65.90	69.13	74.99	79.96	77.73	73.16	65.53	56.33	46.28
2018	39.95	57.39	57.11	58.61	74.42	78.59	79.70	79.12	77.12	66.46	49.46	48.11
2019	44.98	54.40	53.34	62.30	73.08	76.46	78.97	M	80.53	64.75	49.76	49.65
2020	48.69	49.91	63.76	61.40	68.87	76.19	79.82	78.22	73.97	64.46	56.45	46.31
2021	45.24	42.86	58.16	59.40	69.57	75.48	76.07	78.74	72.24	65.90	48.89	57.88
2022	43.09	45.13	54.67	63.16	75.63	74.36	79.70	74.97	68.03	63.41	55.34	52.40
2023	48.80	56.07	59.16	63.19	72.50	74.51	62.77	54.89	71.63	68.09	55.25	50.09
2024	43.40	53.89	58.88	65.37	75.05	79.02	80.57	62.83	50.40	M	51.95	51.50
2025	40.48	52.20	60.83	67.84	71.68	78.02	78.63	74.46	74.40	65.08	55.15	47.78
2026	44.57	53.10	64.75	68.84	72.12	79.61	83.85	83.04	83.25	M	M	M
NCEI Climatology	47.00	51.01	57.90	64.90	72.95	79.66	82.15	81.85	76.91	66.25	55.40	49.15

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
2015	M	M	M	65.2%	75.7%	76.6%	70.2%	62.0%	66.8%	65.7%	77.7%	81.1%
2016	74.1%	68.4%	73.7%	73.9%	72.8%	76.5%	77.5%	83.2%	73.6%	67.1%	72.4%	76.4%
2017	80.7%	70.3%	69.9%	74.9%	76.4%	83.1%	81.0%	85.0%	78.7%	74.2%	77.8%	76.6%
2018	70.2%	82.9%	70.5%	71.1%	77.8%	80.7%	83.8%	84.2%	90.9%	86.4%	89.0%	87.7%
2019	83.5%	86.1%	72.2%	80.4%	83.5%	83.0%	85.3%	M	73.3%	85.1%	79.0%	86.4%
2020	83.2%	81.8%	82.2%	77.8%	77.9%	81.4%	87.2%	83.7%	82.1%	84.9%	81.3%	82.8%
2021	80.1%	84.8%	75.7%	66.2%	79.0%	85.4%	89.8%	85.9%	88.3%	88.4%	86.1%	89.2%
2022	73.6%	80.7%	79.3%	78.0%	81.8%	78.7%	94.5%	93.2%	81.1%	76.7%	83.5%	85.0%
2023	82.8%	83.9%	78.5%	77.9%	80.8%	84.3%	84.6%	71.3%	74.4%	70.4%	80.8%	78.7%
2024	82.4%	77.8%	83.3%	79.9%	90.3%	87.8%	91.6%	80.9%	88.1%	M	74.5%	76.4%
2025	69.6%	78.6%	63.4%	76.6%	83.1%	85.4%	86.2%	81.1%	82.6%	83.8%	85.3%	84.8%
2026	81.6%	75.3%	71.0%	75.2%	82.0%	84.7%	79.5%	76.6%	79.9%	M	M	M

Monthly Plots

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Aug 2026

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