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	5.1	8.5	13.0	12.7	11.1	11.9	6.2	8.1	7.2
2022	8.1	9.6	9.1	8.1	12.0	12.5	13.3	12.6	10.6	7.5	7.2	6.8
2023	7.6	7.1	7.8	7.9	9.3	14.5	16.6	14.4	12.9	7.5	7.8	7.5
2024	8.3	8.4	8.1	7.8	8.6	11.5	14.6	10.4	13.6	7.5	6.7	7.2
2025	6.7	5.8	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
2021	M	M	M	99.82	97.09	91.59	88.09	89.48	89.84	91.23	84.98	86.64
2022	86.58	91.27	98.37	102.02	98.37	93.98	85.76	86.60	86.36	86.12	84.80	84.08
2023	84.72	91.08	94.30	98.44	99.35	97.10	89.54	92.62	90.44	94.13	89.66	86.12
2024	88.21	95.06	100.63	105.37	101.81	92.67	90.39	90.80	89.53	88.70	86.32	84.34
2025	85.60	93.11	M	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	88.52	88.73	84.39	82.17	83.04	82.52	83.68	79.16	78.16
2022	78.22	81.37	87.80	89.53	87.18	85.64	79.70	81.02	80.78	79.73	78.08	77.12
2023	77.06	82.79	84.03	90.11	89.83	88.28	83.45	85.19	83.06	86.70	83.00	79.22
2024	79.96	85.13	90.01	95.72	92.75	85.47	84.42	83.40	82.11	81.82	79.31	76.52
2025	73.73	80.88	M	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	94.17	92.91	87.99	85.13	86.26	86.18	87.45	82.07	82.40
2022	82.40	86.32	92.86	95.49	92.27	89.81	82.73	83.81	83.57	82.92	81.44	80.60
2023	80.89	86.93	89.16	94.06	94.49	92.69	86.49	88.90	86.75	90.41	86.33	82.67
2024	84.08	90.10	95.32	100.54	97.28	89.08	87.40	87.10	85.82	85.26	82.82	80.43
2025	79.67	86.99	M	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	41.9%	49.0%	57.8%	69.1%	64.4%	67.3%	62.8%	73.1%	58.9%
2022	55.4%	44.2%	34.5%	37.2%	48.9%	57.6%	74.9%	75.2%	74.4%	71.4%	61.7%	65.4%
2023	47.1%	29.0%	34.5%	29.9%	41.0%	51.4%	71.2%	62.3%	72.2%	46.4%	63.9%	60.5%
2024	52.3%	40.0%	32.7%	27.1%	45.0%	65.7%	62.2%	67.3%	67.4%	71.1%	62.5%	68.9%
2025	61.3%	43.0%	M	M	M	M	M	M	M	M	M	M