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 (USC00152442) 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
2024	M	M	M	M	M	M	M	M	M	M	M	M
2025	M	M	2.76	9.05	4.31	8.83	2.40	1.41	2.84	5.07	1.54	1.30
2026	0.92	0.51	4.34	3.63	4.89	6.34	9.37	2.98	2.55	1.71	0.99	M
NCEI Climatology	4.01	4.68	4.42	5.24	4.98	5.29	3.99	3.82	3.74	4.01	4.19	4.90

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2024	M	M	M	M	3.8	3.5	3.3	3.6	4.0	3.6	5.5	5.7
2025	4.2	7.2	7.2	6.3	5.0	3.1	2.7	2.9	2.9	4.0	4.8	6.1
2026	6.8	5.7	7.6	5.7	4.4	3.7	3.2	2.9	3.1	2.9	5.0	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
2024	M	M	M	M	80.72	85.27	86.61	87.44	82.15	74.82	58.97	49.04
2025	34.22	42.72	64.90	70.75	73.51	85.77	90.11	86.75	85.38	71.65	58.10	45.64
2026	40.00	51.21	68.50	76.02	75.15	85.02	88.53	88.04	88.23	77.09	64.80	M
NCEI Climatology	47.71	52.13	61.70	72.00	79.30	86.81	90.10	90.30	84.80	73.91	61.10	50.59

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2024	M	M	M	M	61.56	64.86	67.33	65.54	61.19	49.18	43.15	33.40
2025	19.03	25.53	41.06	49.20	56.04	67.53	71.52	64.01	60.07	50.66	38.40	30.92
2026	22.13	31.03	43.99	52.89	55.76	64.03	69.00	67.60	65.94	52.40	44.62	M
NCEI Climatology	29.80	33.62	41.40	50.11	59.30	67.40	70.70	69.91	62.40	51.70	41.51	34.20

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2024	M	M	M	M	71.14	75.07	76.97	76.49	71.67	62.00	51.06	41.22
2025	26.63	34.12	52.98	59.97	64.77	76.65	80.81	75.38	72.73	61.16	48.25	38.28
2026	31.06	41.12	56.25	64.45	65.46	74.52	78.76	77.82	77.08	64.74	54.71	M
NCEI Climatology	38.75	42.87	51.55	61.06	69.30	77.11	80.40	80.10	73.60	62.80	51.30	42.40

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
2024	M	M	M	M	70.5%	71.0%	76.9%	69.4%	70.3%	62.1%	71.9%	71.5%
2025	69.5%	69.5%	53.4%	64.6%	72.1%	77.2%	78.2%	68.8%	62.9%	69.4%	70.3%	72.3%
2026	62.1%	62.6%	61.0%	62.4%	69.9%	73.9%	78.6%	74.9%	69.4%	65.8%	78.0%	M