IEM :: Monthly Summaries

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
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
2021	M	M	M	M	M	M	M	M	8.3	9.3	12.3	10.5
2022	9.2	8.6	13.4	13.9	12.0	12.7	10.6	11.8	13.8	10.7	8.1	9.0
2023	8.9	10.6	11.2	11.2	13.1	14.0	12.1	10.6	12.8	8.6	9.7	8.9
2024	8.2	10.7	12.7	14.8	13.4	16.5	12.3	11.7	10.0	9.7	8.3	7.5
2025	8.8	9.4	11.8	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
2021	M	M	M	M	M	M	M	96.80	92.75	79.21	62.30	61.73
2022	57.90	65.11	66.20	72.92	86.75	99.68	101.97	101.74	91.64	82.08	72.80	64.92
2023	57.32	58.61	75.55	82.64	80.89	94.10	105.80	101.97	91.70	82.28	72.86	61.55
2024	64.57	64.77	71.83	75.80	87.57	94.46	103.42	100.05	86.54	77.00	69.50	60.16
2025	57.20	60.16	66.65	M	M	M	M	M	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2021	M	M	M	M	M	M	M	96.80	72.50	57.14	43.46	39.84
2022	36.94	43.64	45.99	51.32	61.50	73.34	77.75	77.75	70.22	60.29	48.98	42.05
2023	36.88	39.46	51.10	56.78	60.16	70.16	80.77	77.23	68.30	58.42	47.12	39.55
2024	38.97	41.93	49.30	54.98	63.30	69.08	79.44	76.48	66.50	58.77	49.94	38.39
2025	37.17	39.91	47.12	M	M	M	M	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
2021	M	M	M	M	M	M	M	96.80	82.62	68.17	52.88	50.78
2022	47.42	54.37	56.10	62.12	74.13	86.51	89.86	89.75	80.93	71.18	60.89	53.48
2023	47.10	49.04	63.33	69.71	70.53	82.13	93.29	89.60	80.00	70.35	59.99	50.55
2024	51.77	53.35	60.57	65.39	75.43	81.77	91.43	88.26	76.52	67.88	59.72	49.27
2025	47.18	50.03	56.88	M	M	M	M	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
2021	M	M	M	M	M	M	M	M	18.6%	34.8%	46.6%	52.9%
2022	49.0%	44.6%	42.7%	37.1%	26.4%	23.0%	16.9%	18.1%	33.3%	38.6%	33.5%	51.7%
2023	52.3%	48.3%	35.1%	21.7%	36.1%	30.9%	14.5%	17.5%	34.1%	29.9%	32.3%	41.5%
2024	29.5%	36.4%	28.5%	30.8%	23.7%	27.8%	17.9%	27.0%	51.8%	54.4%	58.5%	56.6%
2025	61.4%	59.7%	57.5%	M	M	M	M	M	M	M	M	M