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 (USC00319026) within the current 1991-2020 dataset.

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Precipitation Totals [inch]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2023	M	M	1.83	3.96	2.57	5.77	7.01	7.89	1.78	0.57	1.51	4.95
2024	1.70	1.19	3.99	2.17	4.70	1.16	9.18	8.35	5.74	0.23	0.69	1.15
2025	0.93	0.94	2.32	0.78	10.11	4.02	4.27	3.74	0.70	2.06	0.57	3.44
2026	1.01	1.65	1.22	1.40	4.06	2.00	3.17	3.95	2.46	0.20	M	M
NCEI Climatology	3.63	3.88	4.23	4.38	4.67	5.62	5.62	6.82	7.25	3.65	3.74	3.83

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2023	M	M	6.2	5.7	6.6	4.6	3.1	4.1	4.7	3.7	4.3	4.2
2024	5.9	5.8	6.3	6.1	4.5	4.3	3.9	4.4	5.3	3.6	4.3	4.8
2025	5.0	6.0	6.4	5.9	4.9	4.3	4.3	4.2	5.4	6.4	4.7	4.9
2026	5.0	5.8	5.6	5.4	4.6	5.1	4.5	3.1	4.3	2.5	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	67.54	76.07	77.06	84.53	90.01	89.65	83.34	75.15	65.25	61.59
2024	58.56	61.07	69.60	75.83	82.38	89.28	88.98	87.53	83.05	76.22	68.82	58.61
2025	49.56	60.43	70.05	78.20	81.81	89.73	91.37	86.38	83.60	72.33	67.90	56.49
2026	55.04	55.98	73.01	79.79	82.51	91.44	93.48	90.35	87.20	87.00	M	M
NCEI Climatology	55.19	58.61	65.69	74.50	81.10	87.71	90.70	88.91	84.21	76.00	66.00	58.40

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2023	M	M	43.16	50.91	55.80	62.72	71.91	70.34	62.87	49.51	37.87	35.87
2024	34.17	36.75	45.14	50.40	61.35	65.26	71.66	68.76	65.52	48.79	44.49	35.06
2025	24.24	36.80	43.14	52.93	61.59	69.82	73.53	67.82	62.62	50.75	39.31	31.34
2026	28.36	31.99	44.85	49.97	56.70	65.74	71.12	70.91	63.21	62.60	M	M
NCEI Climatology	30.79	33.50	39.29	47.00	57.10	65.61	70.21	69.00	63.80	50.90	40.20	34.70

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2023	M	M	55.35	63.49	66.43	73.63	80.96	80.00	73.10	62.33	51.56	48.73
2024	46.37	48.91	57.37	63.12	71.86	77.27	80.32	78.15	74.28	62.50	56.66	46.84
2025	36.90	48.61	56.60	65.56	71.70	79.78	82.45	77.10	73.11	61.54	53.61	43.91
2026	41.70	43.98	58.93	64.88	69.60	78.59	82.30	80.63	75.20	74.80	M	M
NCEI Climatology	42.99	46.05	52.49	60.75	69.10	76.66	80.45	78.95	74.00	63.45	53.10	46.55

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	67.4%	71.8%	71.6%	76.6%	82.3%	80.6%	80.5%	77.3%	74.9%	77.6%
2024	71.9%	67.9%	69.0%	69.5%	77.5%	73.8%	83.1%	81.4%	81.3%	77.2%	78.7%	74.8%
2025	67.4%	73.9%	65.2%	72.0%	78.0%	81.1%	83.2%	83.5%	78.2%	79.1%	71.7%	75.9%
2026	70.5%	71.1%	71.5%	69.2%	77.1%	71.8%	77.4%	85.5%	80.0%	79.9%	M	M