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 (USC00355142) 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
2017	M	M	M	0.84	0.67	0.40	0.00	0.23	0.34	0.16	0.65	0.11
2018	0.50	M	0.21	0.89	1.14	0.66	M	M	0.00	0.24	0.39	0.84
2019	1.06	0.38	0.19	1.36	1.30	0.50	0.02	0.40	0.89	0.37	0.11	0.98
2020	0.66	0.03	0.47	0.21	1.75	0.16	M	M	M	0.16	1.73	0.36
2021	0.31	0.48	0.14	0.08	0.33	0.04	0.07	0.11	0.81	0.83	1.19	1.06
2022	0.72	M	M	0.57	0.50	0.98	0.13	0.03	0.12	0.20	0.96	1.29
2023	0.29	0.11	0.37	0.63	1.22	M	M	0.21	0.50	0.55	0.88	0.74
2024	1.81	1.27	0.23	0.53	0.91	M	0.02	0.30	0.04	0.18	0.55	2.89
2025	1.19	0.73	0.86	0.26	0.47	0.10	M	M	M	M	M	M
NCEI Climatology	1.41	1.10	0.86	1.10	1.30	0.78	0.41	0.30	0.34	0.85	1.22	1.56

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2017	M	M	M	7.2	7.1	7.0	6.0	5.6	5.6	7.1	7.6	4.0
2018	6.9	7.2	5.8	7.8	6.6	6.6	6.3	6.1	5.6	5.0	5.7	7.0
2019	4.8	7.4	4.4	6.6	5.6	6.4	5.4	5.1	5.1	5.7	4.6	4.5
2020	9.6	6.7	6.1	6.5	6.4	6.7	6.7	5.9	6.0	6.4	6.5	5.5
2021	7.2	7.2	7.2	7.6	7.6	5.9	6.4	6.4	5.6	6.8	7.0	7.6
2022	5.6	4.6	M	6.2	7.5	6.7	5.6	6.0	5.6	6.0	6.0	7.2
2023	6.9	6.1	6.3	7.2	5.8	6.2	5.6	5.6	5.4	4.6	4.3	4.1
2024	5.7	4.9	7.1	6.8	6.8	7.5	6.0	5.6	5.4	5.3	7.5	5.4
2025	3.9	5.9	7.4	6.4	6.5	6.5	M	M	M	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
2017	M	M	M	54.60	68.75	77.36	89.25	88.44	76.04	61.79	53.20	47.00
2018	50.85	53.71	51.66	58.40	72.88	76.70	89.89	85.19	73.40	61.32	48.80	41.75
2019	41.23	35.05	51.67	57.86	68.35	76.52	82.52	86.46	71.06	56.39	48.86	39.95
2020	46.57	48.70	51.05	62.18	68.58	73.46	85.65	85.59	77.58	64.08	48.92	41.81
2021	43.70	42.80	53.02	62.60	68.87	82.64	91.40	85.19	77.12	60.10	52.58	41.58
2022	44.02	50.77	M	53.13	63.41	74.30	90.99	90.94	78.56	69.74	41.60	33.80
2023	41.58	47.51	M	M	M	77.41	88.76	85.83	73.10	61.85	46.64	41.99
2024	38.85	43.79	53.43	57.98	66.14	77.60	91.92	83.39	78.80	64.23	48.32	41.75
2025	40.94	43.31	53.48	61.58	70.20	80.00	M	M	M	M	M	M
NCEI Climatology	43.01	46.01	53.99	60.60	69.40	76.90	87.10	86.40	77.61	63.01	49.30	41.29

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2017	M	M	M	32.73	38.21	44.12	49.59	51.28	51.44	42.68	41.47	37.16
2018	39.20	35.94	31.72	34.16	42.10	43.76	50.00	50.17	39.32	35.14	26.60	27.12
2019	27.70	21.20	31.49	35.90	40.13	42.86	48.49	50.23	45.14	29.50	26.30	26.66
2020	31.65	24.86	27.18	33.14	39.49	45.44	47.39	49.54	45.32	35.02	29.48	27.18
2021	27.92	25.44	28.11	31.04	38.10	50.24	51.63	50.29	43.34	36.01	33.56	26.95
2022	25.50	25.57	M	31.05	36.30	44.60	51.22	53.72	44.30	37.92	24.50	18.28
2023	25.09	26.51	M	M	M	47.05	50.18	52.67	44.06	36.01	29.72	30.72
2024	25.03	28.77	29.91	32.24	36.24	44.60	50.81	48.49	45.74	34.90	30.45	28.63
2025	22.94	25.96	33.05	32.12	38.60	44.12	M	M	M	M	M	M
NCEI Climatology	24.30	25.14	28.40	31.20	38.60	44.29	49.50	49.59	43.30	35.09	28.31	23.20

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2017	M	M	M	43.67	53.48	60.74	69.42	69.86	63.74	52.24	47.33	42.08
2018	45.03	44.83	41.69	46.28	57.49	60.23	69.95	67.68	56.36	48.23	37.70	34.44
2019	34.47	28.12	41.58	46.88	54.24	59.69	65.50	68.35	58.10	42.95	37.58	33.31
2020	39.11	36.78	39.11	47.66	54.04	59.45	66.52	67.56	61.45	49.55	39.20	34.50
2021	35.81	34.12	40.56	46.82	53.48	66.44	71.51	67.74	60.23	48.05	43.07	34.26
2022	34.76	38.17	M	42.09	49.85	59.45	71.11	72.33	61.43	53.83	33.05	26.04
2023	33.34	37.01	M	M	M	62.23	69.47	69.25	58.58	48.93	38.18	36.35
2024	31.94	36.28	41.67	45.11	51.19	61.10	71.37	65.94	62.27	49.56	39.39	35.19
2025	31.94	34.64	43.26	46.85	54.40	62.06	M	M	M	M	M	M
NCEI Climatology	33.65	35.58	41.20	45.90	54.00	60.60	68.30	68.00	60.46	49.05	38.80	32.25

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
2017	M	M	M	67.8%	58.7%	50.1%	38.7%	38.6%	82.9%	95.8%	99.2%	99.6%
2018	99.3%	97.8%	68.8%	63.5%	58.2%	52.4%	38.0%	42.5%	51.1%	64.2%	74.1%	78.6%
2019	83.3%	83.1%	78.1%	68.1%	61.8%	52.1%	51.2%	51.2%	67.5%	62.8%	74.1%	84.9%
2020	72.8%	66.8%	67.2%	57.6%	58.2%	55.4%	45.0%	44.4%	46.4%	57.6%	75.0%	82.6%
2021	77.0%	72.8%	62.4%	48.9%	53.5%	46.7%	38.4%	44.4%	51.3%	63.8%	72.7%	78.2%
2022	78.8%	67.7%	M	65.7%	60.3%	56.4%	40.7%	40.1%	50.1%	57.3%	79.2%	78.4%
2023	75.7%	62.0%	M	M	M	45.0%	37.1%	43.1%	58.6%	71.3%	80.7%	88.0%
2024	84.0%	81.7%	65.1%	62.8%	58.0%	44.2%	35.9%	49.0%	48.9%	60.0%	72.8%	85.4%
2025	80.7%	76.4%	67.8%	59.6%	54.7%	43.6%	M	M	M	M	M	M

Monthly Plots

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May 2025

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