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
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
2022	M	M	M	M	M	M	M	M	25.9	27.5	36.0	27.2
2023	27.2	30.9	24.1	21.2	21.0	18.1	20.1	19.7	22.1	29.9	23.7	30.1
2024	34.8	29.7	28.6	25.4	22.1	23.6	17.4	24.9	21.6	29.2	27.2	30.1
2025	28.9	26.1	26.5	19.1	26.3	23.9	18.0	25.6	24.9	29.9	27.2	31.1
2026	39.1	33.4	30.7	26.5	21.0	21.0	21.8	20.1	25.4	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2022	M	M	M	M	M	M	M	M	57.50	54.06	49.94	43.85
2023	45.01	46.34	42.68	47.96	50.12	59.12	61.32	60.86	60.20	51.28	46.82	44.02
2024	42.05	43.67	43.73	45.74	57.43	55.82	60.10	60.68	58.16	53.19	48.74	47.10
2025	43.85	44.73	48.26	50.36	52.67	58.40	63.65	59.46	59.42	53.60	48.68	48.37
2026	40.07	40.42	45.35	47.48	51.68	57.74	58.77	60.45	58.28	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2022	M	M	M	M	M	M	M	M	52.17	50.00	47.00	38.45
2023	40.30	41.64	37.34	41.18	44.72	52.76	54.53	55.11	54.86	46.40	41.72	39.08
2024	37.34	38.89	39.72	40.94	50.17	50.12	54.01	56.10	51.74	49.42	43.82	43.03
2025	39.61	40.49	42.05	44.42	46.57	51.44	57.84	55.63	54.44	49.83	44.42	45.59
2026	35.89	36.11	40.59	41.84	45.24	52.76	54.01	54.82	53.60	M	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2022	M	M	M	M	M	M	M	M	54.84	52.03	48.47	41.15
2023	42.65	43.99	40.01	44.57	47.42	55.94	57.93	57.98	57.53	48.84	44.27	41.55
2024	39.69	41.28	41.73	43.34	53.80	52.97	57.05	58.39	54.95	51.31	46.28	45.06
2025	41.73	42.61	45.15	47.39	49.62	54.92	60.74	57.55	56.93	51.71	46.55	46.98
2026	37.98	38.27	42.97	44.66	48.46	55.25	56.39	57.64	55.94	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
2022	M	M	M	M	M	M	M	M	77.0%	84.3%	83.6%	74.9%
2023	79.2%	80.2%	76.5%	77.2%	84.5%	81.1%	82.0%	82.8%	83.1%	76.3%	79.1%	78.2%
2024	80.1%	83.3%	84.2%	83.4%	79.7%	82.8%	86.8%	83.2%	80.7%	83.2%	81.8%	85.6%
2025	80.5%	75.7%	80.2%	82.7%	81.7%	83.9%	84.1%	84.1%	82.0%	85.4%	79.3%	84.6%
2026	78.1%	80.6%	84.6%	81.7%	81.8%	87.8%	85.3%	81.7%	81.9%	M	M	M