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.

To load shown data into Microsoft Excel, highlight the table information with your mouse and then copy/paste into Excel.

Precipitation Totals [inch]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	M	M
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
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
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	M	M
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	9.1	9.5	11.4	10.3	11.9	10.2	9.7	7.7	7.2	8.2	9.0
2025	9.6	9.5	7.3	8.8	8.6	10.5	10.1	7.5	8.4	8.2	7.1	7.8
2026	7.4	8.2	8.1	9.2	8.9	8.5	9.5	8.0	7.8	3.8	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2016	M	M	M	M	M	80.60	M	M	M	M	M	59.90
2017	M	M	M	M	M	M	M	84.20	M	M	M	M
2018	M	M	M	M	83.30	M	87.80	83.60	88.25	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	77.00	M	M	M	100.40	M	M	M	M	M	M	M
2022	M	M	86.00	89.60	M	M	M	M	93.20	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
2024	M	88.86	96.72	103.15	107.17	103.18	96.20	92.81	92.03	98.27	90.70	83.73
2025	81.05	87.03	99.18	102.73	103.93	100.91	93.20	91.55	95.22	99.20	92.86	79.73
2026	81.12	87.88	93.35	96.22	106.11	102.67	100.62	97.19	99.25	93.20	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2016	M	M	M	M	M	80.60	M	M	M	M	M	59.90
2017	M	M	M	M	M	M	M	84.20	M	M	M	M
2018	M	M	M	M	83.30	M	87.80	83.60	84.20	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	53.60	M	M	M	87.80	M	M	M	M	M	M	M
2022	M	M	86.00	89.60	M	M	M	M	93.20	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
2024	M	67.10	77.00	86.95	91.47	91.24	83.45	82.32	82.32	81.99	73.17	64.01
2025	62.15	69.20	79.38	84.88	90.00	89.34	82.62	80.52	82.98	83.00	74.51	63.66
2026	62.68	64.73	76.40	79.81	94.30	93.43	88.40	85.84	87.39	86.00	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2016	M	M	M	M	M	80.60	M	M	M	M	M	59.90
2017	M	M	M	M	M	M	M	84.20	M	M	M	M
2018	M	M	M	M	83.30	M	87.80	83.60	86.23	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	65.30	M	M	M	94.10	M	M	M	M	M	M	M
2022	M	M	86.00	89.60	M	M	M	M	93.20	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
2024	M	77.98	86.86	95.05	99.32	97.21	89.82	87.57	87.17	90.13	81.93	73.87
2025	71.60	78.11	89.28	93.80	96.97	95.13	87.91	86.04	89.10	91.10	83.69	71.69
2026	71.90	76.30	84.88	88.02	100.20	98.05	94.51	91.52	93.32	89.60	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
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	M	M
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	15.6%	12.4%	15.1%	16.2%	35.3%	57.5%	64.3%	69.4%	42.7%	22.3%	21.4%
2025	21.8%	20.3%	17.9%	12.4%	25.8%	33.8%	65.7%	69.6%	58.5%	33.7%	18.9%	26.7%
2026	26.4%	18.1%	21.5%	15.3%	17.2%	35.0%	47.6%	57.4%	49.0%	50.7%	M	M