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 (USW00003818) 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	3.46	3.77	0.26	M	M	2.03	1.17
2025	M	3.00	5.07	2.44	2.51	1.15	M	1.44	0.39	0.79	0.12	5.27
2026	2.77	1.48	0.52	0.16	9.05	4.77	5.39	1.93	1.87	M	M	M
NCEI Climatology	4.04	4.64	5.01	3.72	3.15	5.07	5.10	4.93	4.06	3.06	3.67	4.81

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2024	M	M	M	M	M	4.1	2.8	4.7	6.8	1.6	4.9	0.5
2025	M	6.3	5.9	4.7	4.0	3.2	M	2.8	4.0	5.8	4.0	4.3
2026	5.1	6.2	5.3	4.9	4.5	3.9	3.6	2.4	3.2	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
2024	M	M	M	M	M	92.30	91.75	93.43	86.71	82.57	76.82	66.38
2025	66.20	68.57	75.03	83.06	86.17	90.23	M	88.91	90.98	81.31	75.14	66.55
2026	64.69	68.14	78.86	83.12	84.57	89.35	91.71	93.53	91.26	M	M	M
NCEI Climatology	62.90	67.22	73.71	80.11	87.50	91.20	92.39	91.40	88.69	81.10	71.70	64.70

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2024	M	M	M	M	M	71.21	74.56	73.23	71.41	57.37	56.72	41.30
2025	66.20	45.93	47.39	56.36	65.62	70.97	M	69.80	64.88	57.07	45.31	42.10
2026	38.21	41.50	51.74	54.98	64.77	71.41	74.33	74.05	73.54	M	M	M
NCEI Climatology	40.71	43.89	49.20	55.10	64.20	71.11	73.00	72.79	68.60	58.01	47.39	43.01

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	M	81.76	83.15	83.33	79.06	69.97	66.77	53.84
2025	66.20	57.25	61.21	69.71	75.90	80.60	M	79.35	77.93	69.19	60.22	54.33
2026	51.45	54.82	65.30	69.05	74.67	80.38	83.02	83.79	82.40	M	M	M
NCEI Climatology	51.81	55.55	61.45	67.61	75.85	81.15	82.70	82.10	78.64	69.55	59.54	53.85

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	M	79.5%	89.5%	82.0%	87.1%	77.0%	84.6%	81.7%
2025	M	76.0%	73.3%	77.1%	82.6%	85.8%	M	85.5%	74.7%	76.0%	72.2%	81.1%
2026	77.7%	71.7%	73.7%	71.2%	84.1%	83.6%	85.0%	86.3%	88.5%	M	M	M