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
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
2023	M	M	M	M	M	M	5.6	5.3	4.8	5.2	5.8	5.0
2024	5.2	5.5	6.2	5.9	5.5	5.4	5.4	5.3	5.1	4.2	4.8	4.5
2025	M	5.2	3.1	5.5	5.8	4.9	4.3	2.4	2.0	2.5	2.2	1.7
2026	2.3	2.3	2.4	2.8	2.4	2.5	M	2.9	3.0	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2023	M	M	M	M	M	M	96.58	92.97	85.76	80.72	63.56	56.68
2024	57.66	62.23	64.34	72.32	76.54	86.00	97.55	97.79	81.14	73.11	63.38	54.05
2025	M	58.52	61.86	69.60	76.82	92.96	91.69	90.88	82.58	72.35	62.60	53.37
2026	53.66	60.09	62.60	76.49	77.99	86.34	M	92.30	93.88	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2023	M	M	M	M	M	M	68.22	63.18	58.28	54.88	44.48	40.48
2024	37.34	38.02	44.37	43.70	52.73	59.24	65.45	67.07	59.42	56.39	42.64	37.22
2025	M	39.56	45.13	45.47	51.80	60.86	63.59	62.54	58.28	47.50	40.82	36.41
2026	36.06	40.74	44.24	44.21	50.93	58.21	M	71.60	69.12	M	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2023	M	M	M	M	M	M	82.40	78.07	72.02	67.80	54.02	48.58
2024	47.50	50.12	54.35	58.01	64.63	72.62	81.50	82.43	70.28	64.75	53.01	45.64
2025	M	49.04	53.49	57.53	64.31	76.91	77.64	76.71	70.43	59.93	51.71	44.89
2026	44.86	50.42	53.42	60.35	64.46	72.27	M	81.95	81.50	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
2023	M	M	M	M	M	M	59.3%	60.9%	66.0%	73.4%	81.2%	80.7%
2024	77.4%	76.1%	77.1%	68.9%	71.8%	64.3%	52.9%	59.8%	74.7%	85.4%	82.3%	84.3%
2025	M	80.3%	72.4%	72.7%	67.4%	61.2%	59.8%	67.2%	74.9%	73.5%	81.3%	89.9%
2026	83.0%	81.1%	79.3%	59.7%	66.8%	61.6%	M	67.9%	64.9%	M	M	M