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 () 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
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	M	M
2021	M	M	M	M	M	M	M	M	M	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
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

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2018	M	M	M	8.2	7.1	7.1	6.1	7.0	10.1	9.3	7.5	7.6
2019	7.2	9.5	9.5	7.1	7.9	6.2	6.7	7.4	9.2	7.6	9.3	9.2
2020	12.2	12.7	9.9	9.5	7.3	7.0	8.0	5.8	8.4	8.9	9.3	9.4
2021	8.6	8.6	9.1	9.5	6.7	6.8	6.8	7.4	8.1	9.0	9.0	8.5
2022	10.9	10.6	5.9	7.7	8.2	7.1	7.0	6.3	7.3	8.2	10.7	8.6
2023	9.9	8.8	8.9	7.4	7.1	6.4	9.3	7.1	7.2	13.0	8.1	9.4
2024	11.1	10.1	9.3	9.2	7.4	7.8	7.4	7.5	5.9	8.3	8.8	10.4
2025	9.2	7.0	12.3	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
2018	M	M	M	50.00	69.00	69.62	78.57	70.09	61.58	53.37	42.44	36.94
2019	34.26	40.61	43.32	54.02	56.62	70.04	69.44	68.69	59.78	49.30	41.42	40.83
2020	43.21	41.50	43.32	52.52	56.50	70.34	65.33	71.25	61.94	52.38	47.84	40.83
2021	32.23	33.66	43.79	48.38	57.20	70.52	73.86	66.37	60.38	53.48	43.94	33.45
2022	38.97	38.04	45.06	48.50	59.06	69.68	69.86	71.43	59.12	54.41	44.66	33.68
2023	37.28	38.56	38.10	49.16	62.37	71.54	66.95	65.62	65.48	49.48	37.82	33.57
2024	31.07	36.47	41.41	46.94	65.79	66.26	68.23	69.10	64.10	54.01	43.70	41.41
2025	36.82	35.73	43.70	M	M	M	M	M	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2018	M	M	M	37.40	49.80	50.66	58.19	55.28	49.28	40.30	36.08	30.32
2019	24.34	31.94	31.77	33.92	41.06	51.92	54.32	53.86	47.18	39.43	35.24	33.51
2020	35.14	32.25	31.19	36.14	39.37	52.94	51.28	53.54	48.26	42.74	39.62	36.30
2021	25.26	21.99	31.48	32.18	41.81	53.42	57.55	50.81	47.90	42.51	35.12	25.61
2022	29.56	29.30	26.54	31.64	42.28	51.44	53.89	54.94	47.06	44.60	39.80	25.73
2023	30.66	28.27	26.72	32.24	42.16	51.32	53.08	54.99	53.00	38.74	30.74	25.73
2024	21.78	28.46	31.88	34.16	46.46	50.24	53.89	53.54	47.54	42.97	33.92	32.06
2025	28.98	25.76	33.03	M	M	M	M	M	M	M	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2018	M	M	M	43.70	59.40	60.14	68.38	62.69	55.43	46.84	39.26	33.63
2019	29.30	36.27	37.55	43.97	48.84	60.98	61.88	61.27	53.48	44.37	38.33	37.17
2020	39.17	36.87	37.25	44.33	47.94	61.64	58.30	62.40	55.10	47.56	43.73	38.56
2021	28.75	27.82	37.63	40.28	49.51	61.97	65.71	58.59	54.14	48.00	39.53	29.53
2022	34.26	33.67	35.80	40.07	50.67	60.56	61.87	63.18	53.09	49.51	42.23	29.71
2023	33.97	33.41	32.41	40.70	52.26	61.43	60.02	60.31	59.24	44.11	34.28	29.65
2024	26.43	32.47	36.65	40.55	56.13	58.25	61.06	61.32	55.82	48.49	38.81	36.73
2025	32.90	30.75	38.36	M	M	M	M	M	M	M	M	M

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
2018	M	M	M	77.8%	62.8%	63.4%	64.4%	74.4%	76.9%	80.3%	86.9%	87.2%
2019	81.6%	81.1%	76.3%	59.2%	71.8%	72.3%	74.2%	78.8%	80.4%	85.3%	89.2%	88.1%
2020	83.2%	81.2%	71.4%	58.9%	66.1%	68.8%	78.1%	75.3%	82.7%	86.9%	86.0%	89.5%
2021	88.0%	81.9%	74.9%	61.6%	77.8%	73.5%	76.5%	79.5%	82.5%	85.3%	87.8%	88.6%
2022	82.9%	85.5%	73.7%	69.0%	68.9%	73.6%	73.6%	79.5%	81.5%	89.8%	90.6%	91.3%
2023	92.7%	83.8%	79.9%	71.3%	60.1%	64.3%	79.2%	88.3%	87.3%	84.6%	91.7%	93.7%
2024	90.0%	91.1%	89.7%	81.2%	70.0%	77.2%	82.4%	79.4%	86.1%	86.2%	84.7%	88.1%
2025	89.7%	86.8%	83.4%	M	M	M	M	M	M	M	M	M