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
2020	M	M	M	M	M	M	M	M	M	M	M	M
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
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
2020	M	M	M	M	M	M	M	M	M	M	2.5	2.4
2021	1.6	1.7	2.2	2.8	3.7	5.8	7.4	6.2	6.7	5.0	2.7	3.3
2022	1.3	1.3	2.2	3.5	4.1	7.2	7.7	9.1	8.3	6.3	2.9	2.4
2023	1.8	1.7	1.5	4.0	4.2	6.0	7.3	9.4	5.4	5.1	M	M
2024	2.0	1.7	2.6	3.5	5.9	8.9	6.3	7.9	9.7	6.6	3.5	2.3
2025	3.0	2.8	4.0	3.7	6.5	7.9	9.9	7.2	8.0	M	M	M
2026	M	3.1	2.6	5.9	6.5	8.8	8.6	10.9	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2020	M	M	M	M	M	M	M	M	M	M	82.66	81.94
2021	79.76	81.20	84.95	80.85	82.57	83.60	83.74	85.13	87.80	87.41	87.25	85.03
2022	81.88	78.80	83.72	83.70	81.82	82.18	82.54	83.14	87.38	89.19	84.26	79.55
2023	82.63	85.55	83.50	82.22	83.91	83.60	84.84	85.38	87.52	89.66	79.70	72.50
2024	79.06	84.20	84.20	82.34	86.12	85.58	86.87	87.80	89.79	87.12	85.76	82.92
2025	84.45	88.62	84.95	84.74	84.90	84.98	84.56	85.57	81.98	72.47	72.41	70.38
2026	70.73	72.18	82.17	85.64	85.13	85.28	86.58	86.48	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2020	M	M	M	M	M	M	M	M	M	M	68.00	66.95
2021	67.40	66.73	66.14	66.26	65.39	62.18	62.66	65.33	70.77	70.38	69.88	69.80
2022	67.30	67.65	68.36	68.25	66.61	65.84	63.29	66.82	69.02	69.86	69.86	67.42
2023	67.42	67.94	66.43	67.10	65.68	65.78	63.70	71.10	73.05	71.48	72.80	72.50
2024	69.46	70.02	70.47	68.12	65.97	63.08	64.15	64.81	67.29	68.93	68.30	67.30
2025	66.94	69.55	67.71	67.28	66.49	64.70	64.52	64.15	69.14	72.47	72.41	70.38
2026	70.73	68.45	66.78	66.92	66.49	63.74	64.34	66.06	M	M	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2020	M	M	M	M	M	M	M	M	M	M	75.33	74.45
2021	73.58	73.97	75.55	73.56	73.98	72.89	73.20	75.23	79.28	78.90	78.57	77.42
2022	74.59	73.23	76.04	75.98	74.21	74.01	72.92	74.98	78.20	79.53	77.06	73.49
2023	75.03	76.74	74.97	74.66	74.79	74.69	74.27	78.24	80.29	80.57	76.25	72.50
2024	74.26	77.11	77.33	75.23	76.04	74.33	75.51	76.30	78.54	78.02	77.03	75.11
2025	75.69	79.09	76.33	76.01	75.69	74.84	74.54	74.86	75.56	72.47	72.41	70.38
2026	70.73	70.31	74.47	76.28	75.81	74.51	75.46	76.27	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
2020	M	M	M	M	M	M	M	M	M	M	75.2%	77.9%
2021	81.6%	80.2%	72.3%	79.3%	70.3%	57.2%	50.1%	49.5%	47.8%	52.8%	56.2%	65.7%
2022	70.9%	81.0%	72.1%	71.3%	68.2%	54.5%	47.6%	46.3%	42.3%	38.0%	61.9%	67.2%
2023	66.8%	61.8%	73.4%	74.6%	64.2%	51.8%	44.3%	42.6%	48.9%	48.7%	M	M
2024	80.4%	69.7%	70.7%	78.8%	65.1%	53.3%	48.4%	43.3%	41.8%	55.0%	68.9%	76.2%
2025	68.6%	58.6%	70.1%	73.8%	65.3%	53.7%	47.0%	45.0%	39.6%	M	M	M
2026	M	78.3%	78.2%	68.4%	63.1%	52.3%	47.8%	44.8%	M	M	M	M