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
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	M	M	M	M	M
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

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2018	M	M	M	M	M	M	M	M	M	M	M	4.5
2019	5.5	4.7	4.5	5.1	5.3	5.0	4.4	4.5	4.2	3.9	4.0	4.6
2020	4.4	4.7	4.4	3.8	4.2	5.0	3.8	4.9	4.1	3.5	4.4	4.9
2021	5.1	5.1	4.6	4.6	4.1	4.1	4.7	3.8	4.2	3.4	3.4	4.7
2022	5.1	5.1	6.0	5.8	6.6	4.9	5.8	6.3	5.5	5.1	5.3	6.4
2023	7.3	6.7	6.4	5.5	6.3	5.5	5.7	5.7	4.8	4.9	5.4	6.4
2024	6.0	6.0	5.4	5.9	5.6	5.1	5.7	5.3	5.4	4.9	5.8	6.1
2025	7.4	6.2	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
2018	M	M	M	M	M	M	M	M	M	M	M	90.95
2019	91.46	93.52	93.90	94.94	93.32	87.98	83.68	83.04	85.22	88.44	91.22	91.40
2020	92.04	93.63	93.43	93.74	92.91	84.74	83.97	84.55	84.62	85.64	91.76	90.47
2021	89.02	92.24	94.25	92.54	88.67	85.16	83.97	83.97	85.22	86.64	86.00	90.53
2022	90.70	91.98	93.32	92.72	87.05	87.02	83.66	85.07	87.02	88.90	89.60	90.94
2023	92.15	95.00	96.05	94.94	94.30	88.04	83.50	88.21	86.12	89.19	91.28	92.04
2024	90.24	93.88	94.48	96.18	92.27	85.58	81.80	84.78	85.82	86.75	90.92	88.90
2025	91.46	90.62	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
2018	M	M	M	M	M	M	M	M	M	M	M	71.78
2019	68.70	73.01	74.68	77.24	77.81	74.66	72.82	73.69	75.02	74.45	74.72	74.68
2020	72.53	73.28	77.64	84.92	82.63	75.62	75.26	73.98	75.08	74.18	74.48	74.33
2021	73.81	73.21	75.14	76.70	75.90	74.42	74.45	73.28	74.06	75.26	74.84	73.17
2022	69.86	72.95	76.25	77.78	76.30	75.98	75.56	75.61	75.44	75.72	75.62	74.39
2023	72.12	74.62	75.66	79.22	78.80	77.06	75.72	76.36	76.34	77.29	77.48	77.12
2024	74.68	74.95	77.75	80.72	77.70	75.68	74.42	75.14	75.14	74.68	75.20	73.98
2025	71.95	73.09	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
2018	M	M	M	M	M	M	M	M	M	M	M	81.37
2019	80.08	83.27	84.29	86.09	85.56	81.32	78.25	78.36	80.12	81.44	82.97	83.04
2020	82.28	83.46	85.54	89.33	87.77	80.18	79.61	79.26	79.85	79.91	83.12	82.40
2021	81.41	82.72	84.69	84.62	82.28	79.79	79.21	78.63	79.64	80.95	80.42	81.85
2022	80.28	82.46	84.78	85.25	81.67	81.50	79.61	80.34	81.23	82.31	82.61	82.66
2023	82.14	84.81	85.85	87.08	86.55	82.55	79.61	82.28	81.23	83.24	84.38	84.58
2024	82.46	84.42	86.12	88.45	84.98	80.63	78.11	79.96	80.48	80.72	83.06	81.44
2025	81.70	81.85	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
2018	M	M	M	M	M	M	M	M	M	M	M	82.1%
2019	73.7%	78.3%	80.8%	83.4%	85.7%	94.6%	97.5%	97.8%	94.1%	91.5%	87.8%	84.2%
2020	82.3%	79.6%	79.1%	77.6%	82.6%	90.0%	90.8%	90.4%	91.6%	88.5%	79.0%	75.4%
2021	76.5%	72.2%	74.8%	77.2%	84.0%	86.2%	88.2%	88.7%	86.0%	85.6%	84.1%	72.7%
2022	67.7%	69.5%	68.0%	75.3%	85.3%	87.0%	91.4%	89.6%	86.5%	83.6%	79.5%	73.4%
2023	67.9%	67.7%	63.4%	72.9%	75.7%	86.5%	91.3%	84.9%	88.7%	84.5%	80.7%	74.4%
2024	76.5%	72.6%	75.1%	73.7%	82.0%	89.1%	92.1%	88.7%	85.1%	84.0%	74.2%	74.3%
2025	64.1%	69.4%	M	M	M	M	M	M	M	M	M	M