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 (USC00335297) 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
2022	M	M	M	M	M	M	3.36	2.52	6.30	1.06	2.47	0.60
2023	2.08	1.38	3.83	2.04	1.46	0.77	0.90	1.78	0.02	1.48	1.35	1.13
2024	1.22	0.53	0.20	M	M	M	M	M	0.01	0.12	1.70	0.72
2025	0.79	0.69	1.26	21.76	7.85	17.55	74.87	13.03	1.70	2.34	1.40	0.82
2026	0.20	0.80	4.41	4.68	4.52	2.31	0.39	M	M	M	M	M
NCEI Climatology	2.86	2.17	3.14	3.87	4.23	4.88	4.23	3.37	3.29	3.08	2.83	2.87

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2022	M	M	M	M	M	M	5.9	4.5	5.1	7.2	7.8	7.4
2023	7.4	8.8	8.8	7.4	5.9	6.0	5.1	5.4	4.3	5.9	6.7	6.4
2024	7.8	7.1	6.5	7.9	5.5	5.5	4.5	4.5	4.9	4.9	7.4	7.5
2025	8.5	7.6	9.0	7.6	6.5	5.4	4.2	4.8	3.7	6.3	7.6	8.1
2026	8.2	6.9	8.9	8.5	6.4	5.6	4.4	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
2022	M	M	M	M	M	M	108.89	84.90	71.96	61.90	51.98	40.07
2023	41.12	49.49	48.90	62.90	69.80	75.80	82.69	78.34	87.20	63.01	51.74	46.52
2024	35.72	48.08	53.48	63.38	74.10	77.83	80.02	79.32	76.70	65.85	52.04	39.95
2025	28.23	35.33	54.99	60.20	65.39	79.10	81.82	77.45	77.00	62.43	47.66	36.70
2026	28.81	38.04	55.34	66.20	66.14	76.70	84.65	M	M	M	M	M
NCEI Climatology	35.50	39.14	48.90	62.10	72.00	80.30	83.69	82.31	76.20	64.57	51.60	40.40

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2022	M	M	M	M	M	M	33.54	54.18	56.78	43.26	37.52	27.99
2023	31.48	30.52	32.23	42.92	49.59	57.68	63.99	56.97	42.08	47.74	35.18	36.18
2024	26.83	30.76	36.70	46.52	57.14	59.21	62.66	61.32	57.26	45.47	38.36	28.40
2025	16.26	22.67	34.38	41.24	48.84	62.60	65.91	58.74	54.44	44.54	33.80	22.19
2026	15.34	23.71	36.41	45.26	48.20	59.06	68.90	M	M	M	M	M
NCEI Climatology	18.00	19.21	26.91	36.41	47.00	56.30	60.29	58.40	50.70	39.50	30.51	23.69

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2022	M	M	M	M	M	M	71.21	69.54	64.37	52.58	44.75	34.03
2023	36.30	40.00	40.56	52.91	59.70	66.74	73.34	67.65	64.64	55.37	43.46	41.35
2024	31.27	39.42	45.09	54.95	65.62	68.52	71.34	70.32	66.98	55.66	45.20	34.18
2025	22.25	29.00	44.69	50.72	57.11	70.85	73.86	68.10	65.72	53.48	40.73	29.45
2026	22.07	30.88	45.88	55.73	57.17	67.88	76.78	M	M	M	M	M
NCEI Climatology	26.75	29.18	37.90	49.25	59.50	68.30	71.99	70.35	63.45	52.04	41.05	32.05

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
2022	M	M	M	M	M	M	69.5%	75.9%	77.3%	60.5%	64.5%	73.6%
2023	82.1%	61.9%	65.4%	57.1%	55.9%	62.4%	71.1%	73.8%	73.6%	70.1%	61.2%	72.9%
2024	79.2%	64.0%	63.7%	62.1%	67.8%	67.0%	81.1%	81.4%	74.8%	71.2%	82.9%	87.7%
2025	85.1%	84.5%	68.3%	71.8%	84.2%	84.1%	87.3%	79.4%	74.2%	78.8%	81.3%	87.9%
2026	83.9%	81.1%	74.7%	74.3%	77.9%	78.4%	88.3%	M	M	M	M	M