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 (USW00014937) 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
2023	M	M	M	M	M	M	M	M	M	M	0.20	0.00
2024	0.20	0.00	0.00	0.10	0.30	0.00	0.30	0.10	0.00	0.20	0.20	0.10
2025	0.00	0.10	0.10	0.00	0.00	0.00	0.00	0.00	0.50	0.00	0.10	0.10
2026	0.00	0.00	0.10	0.60	0.10	M	M	M	M	M	M	M
NCEI Climatology	1.04	1.27	2.21	3.76	4.48	5.29	3.91	3.94	3.24	2.98	2.17	1.45

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
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	10.9	10.4	10.2	8.1	5.9	5.9	5.5	4.8	8.2	8.4	8.5
2026	8.9	8.4	9.5	10.3	8.3	M	M	M	M	M	M	M
NCEI Climatology	M	M	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
2023	M	M	M	M	M	M	M	M	M	M	51.12	42.05
2024	27.87	49.69	53.96	61.57	75.98	83.19	81.95	81.72	79.69	72.37	49.92	37.21
2025	29.91	32.54	57.38	62.74	72.18	82.70	85.10	81.33	80.05	68.10	49.93	33.02
2026	28.15	43.41	57.46	65.05	68.45	M	M	M	M	M	M	M
NCEI Climatology	30.90	35.70	49.50	62.60	73.40	82.60	85.80	83.80	77.50	64.11	49.20	36.30

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2023	M	M	M	M	M	M	M	M	M	M	32.99	30.90
2024	17.20	30.44	34.56	43.20	56.99	65.11	66.10	64.47	58.05	48.59	35.90	24.65
2025	12.04	16.77	34.35	43.10	51.83	64.18	68.81	64.33	59.35	49.94	33.43	15.99
2026	12.72	23.76	34.61	45.51	49.09	M	M	M	M	M	M	M
NCEI Climatology	14.61	18.66	29.50	40.10	51.70	62.10	65.79	63.30	54.20	42.10	30.40	20.10

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2023	M	M	M	M	M	M	M	M	M	M	42.06	36.48
2024	22.54	40.06	44.26	52.39	66.48	74.15	74.02	73.10	68.87	60.48	42.91	30.93
2025	20.98	24.66	45.87	52.92	62.00	73.44	76.96	72.83	69.70	59.02	41.68	24.51
2026	20.43	33.59	46.04	55.28	58.77	M	M	M	M	M	M	M
NCEI Climatology	22.75	27.18	39.50	51.35	62.55	72.35	75.79	73.55	65.85	53.10	39.80	28.20

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
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	64.6%	60.2%	60.7%	59.6%	70.1%	78.5%	75.1%	66.5%	64.8%	70.2%	79.4%
2026	70.9%	63.7%	64.1%	66.8%	52.4%	M	M	M	M	M	M	M