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	4.3	1.8
2021	1.8	2.5	3.1	1.9	3.4	2.6	3.6	2.4	2.5	3.5	2.0	2.7
2022	1.3	2.3	2.3	2.9	3.8	4.3	3.8	3.7	4.7	4.2	0.9	1.9
2023	1.9	1.5	1.8	1.4	1.8	1.6	2.8	3.9	5.6	5.0	M	M
2024	1.3	1.6	1.1	2.0	2.2	2.5	1.8	3.8	4.2	5.6	3.7	4.0
2025	3.3	3.9	3.4	4.6	4.8	4.6	4.4	5.9	6.0	M	M	M
2026	M	4.7	3.7	4.7	4.4	4.8	4.6	6.1	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	84.20	80.60
2021	78.08	81.46	82.23	80.79	82.05	83.24	83.21	85.38	88.95	86.07	84.36	83.62
2022	79.36	78.20	81.50	82.70	82.93	80.68	80.99	83.84	87.68	90.74	82.95	78.67
2023	80.48	82.40	81.28	81.89	83.45	82.21	84.43	84.20	90.03	89.84	83.12	75.20
2024	79.16	82.18	83.00	82.71	85.83	85.22	87.29	88.44	92.17	86.87	85.88	83.15
2025	82.40	85.49	84.43	84.74	84.32	84.56	84.80	87.06	80.30	69.92	69.86	68.17
2026	68.46	70.47	81.59	84.56	86.30	84.82	87.10	85.84	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	71.60	69.28
2021	68.24	68.36	67.25	68.45	63.82	59.96	57.61	63.78	74.70	74.05	71.76	72.46
2022	68.87	68.45	69.41	71.60	69.20	66.28	61.43	63.90	69.86	71.24	70.56	69.48
2023	68.23	68.84	67.32	69.99	66.55	63.84	60.74	67.36	72.10	72.92	76.28	75.20
2024	71.69	71.53	71.73	68.56	63.99	58.76	54.44	58.25	64.59	68.62	68.48	67.48
2025	68.00	68.69	67.88	67.94	66.26	60.86	60.44	59.00	63.02	69.55	69.86	68.17
2026	68.46	67.00	67.13	66.62	62.48	57.76	58.30	61.35	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	77.90	74.94
2021	73.16	74.91	74.74	74.62	72.94	71.60	70.41	74.58	81.82	80.06	78.06	78.04
2022	74.11	73.32	75.46	77.15	76.07	73.48	71.21	73.87	78.77	80.99	76.76	74.07
2023	74.36	75.62	74.30	75.94	75.00	73.03	72.59	75.78	81.07	81.38	79.70	75.20
2024	75.43	76.86	77.37	75.63	74.91	71.99	70.86	73.34	78.38	77.74	77.18	75.32
2025	75.20	77.09	76.16	76.34	75.29	72.71	72.62	73.03	71.66	69.74	69.86	68.17
2026	68.46	68.73	74.36	75.59	74.39	71.29	72.70	73.60	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	74.0%	80.7%
2021	85.0%	83.0%	79.9%	81.2%	73.2%	67.6%	61.3%	58.0%	53.5%	55.5%	68.0%	76.3%
2022	83.1%	84.0%	80.1%	76.5%	68.9%	62.0%	57.5%	52.9%	44.0%	38.8%	72.5%	81.5%
2023	78.7%	77.1%	80.4%	82.8%	74.0%	63.0%	58.0%	47.8%	46.1%	48.1%	M	M
2024	83.6%	77.5%	78.7%	80.5%	72.0%	63.7%	61.1%	54.3%	46.5%	60.5%	73.1%	79.3%
2025	80.6%	76.0%	78.1%	76.5%	71.7%	63.9%	58.2%	51.3%	45.8%	M	M	M
2026	M	81.9%	83.8%	76.8%	69.8%	65.1%	59.3%	56.2%	M	M	M	M