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 (USC00207812) 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	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
NCEI Climatology	1.09	1.00	1.49	2.55	3.17	4.00	4.15	3.10	3.48	3.32	1.76	1.46

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2023	M	4.7	4.5	8.5	4.4	3.9	3.4	3.4	3.5	4.4	4.5	4.0
2024	4.0	3.6	M	5.1	4.2	4.4	3.5	3.3	3.6	4.4	4.8	4.3
2025	5.2	4.7	5.5	4.7	4.8	3.2	3.4	2.7	M	M	M	M
2026	M	M	M	M	M	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	25.28	35.17	36.76	67.03	74.16	74.86	73.19	68.41	51.95	39.90	35.29
2024	24.71	44.17	M	54.11	65.21	70.51	76.32	74.10	73.65	59.77	37.32	27.53
2025	19.49	23.78	39.81	48.26	64.98	72.36	77.47	74.84	M	M	M	M
2026	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	21.20	25.68	36.80	49.70	64.09	73.30	77.00	75.00	67.29	53.19	37.90	26.30

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2023	M	10.45	18.41	31.63	42.54	50.97	53.62	52.12	52.08	38.73	25.44	24.76
2024	15.03	20.66	M	34.99	43.35	51.49	55.48	54.39	49.55	39.23	27.77	16.10
2025	4.67	6.63	21.39	29.33	40.61	52.98	56.52	56.65	M	M	M	M
2026	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	0.30	0.21	9.41	24.10	37.20	46.80	50.40	47.90	40.80	30.49	20.50	8.51

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2023	M	17.87	26.79	34.19	54.78	62.56	64.24	62.66	60.24	45.34	32.67	30.03
2024	19.87	32.41	M	44.55	54.28	61.00	65.90	64.25	61.60	49.50	32.54	21.82
2025	12.08	15.20	30.60	38.79	52.80	62.67	66.99	65.74	M	M	M	M
2026	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	10.75	12.95	23.10	36.90	50.65	60.05	63.70	61.45	54.05	41.84	29.20	17.40

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	74.9%	70.7%	100.0%	61.4%	72.5%	79.0%	80.5%	85.5%	84.1%	73.6%	86.6%
2024	86.0%	73.7%	M	65.7%	71.2%	78.7%	79.3%	83.2%	76.7%	66.1%	88.1%	86.9%
2025	75.8%	73.7%	71.3%	73.9%	61.4%	78.9%	80.0%	86.4%	M	M	M	M
2026	M	M	M	M	M	M	M	M	M	M	M	M