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 (USC00248430) 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
2021	M	M	0.10	0.19	0.45	0.22	0.17	1.24	0.06	1.39	0.09	0.11
2022	0.04	M	0.03	0.39	1.83	0.92	0.36	0.41	1.16	0.59	0.03	0.49
2023	0.27	0.03	0.24	0.34	0.90	2.22	0.27	1.32	1.86	0.04	0.18	0.03
2024	0.08	1.01	0.33	0.41	1.84	0.85	0.08	0.44	1.03	0.26	0.24	0.23
2025	0.30	0.12	0.73	0.82	2.68	0.44	0.37	0.62	0.33	1.08	M	0.33
2026	0.18	0.15	0.83	1.07	1.04	3.36	0.41	2.38	0.21	M	M	M
NCEI Climatology	0.22	0.23	0.37	0.85	1.70	2.17	0.89	0.75	0.88	0.73	0.33	0.33

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2021	M	M	9.4	13.0	11.6	10.8	8.0	8.6	7.5	10.6	9.2	10.8
2022	9.0	9.0	11.3	11.6	10.9	8.9	8.7	8.0	7.8	7.3	9.9	9.1
2023	7.7	11.4	8.8	10.5	9.4	7.2	7.9	7.6	7.8	8.0	7.8	7.1
2024	8.3	8.4	8.8	9.5	9.0	8.6	6.7	8.1	7.1	7.3	8.2	7.1
2025	7.0	9.6	10.9	10.0	8.7	8.3	7.0	8.0	6.7	9.3	8.8	10.4
2026	8.0	9.1	11.0	9.1	9.1	10.2	7.3	7.1	10.0	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
2021	M	M	50.36	56.54	63.18	84.44	90.76	80.54	76.70	58.54	50.84	39.14
2022	34.50	41.90	49.04	48.74	60.10	73.22	85.71	87.63	77.84	61.50	30.56	29.33
2023	29.04	30.91	36.30	52.88	69.92	69.86	85.88	81.41	72.50	56.62	48.20	41.52
2024	33.22	36.53	46.98	58.04	62.14	77.43	87.74	83.15	76.68	65.91	44.96	42.34
2025	28.92	28.21	51.80	57.32	66.84	77.42	85.59	83.74	77.90	57.66	54.60	48.59
2026	42.10	49.74	56.97	56.96	69.74	72.86	88.03	84.32	74.00	M	M	M
NCEI Climatology	35.40	39.74	49.19	57.01	66.39	74.70	84.70	83.40	73.50	59.30	44.09	34.51

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2021	M	M	24.20	27.20	36.35	50.30	53.66	49.25	39.74	33.68	26.90	16.61
2022	11.62	18.61	22.04	23.42	37.81	45.08	51.57	52.21	43.22	33.45	8.36	8.60
2023	8.66	11.17	18.82	27.50	42.22	47.24	49.01	51.63	42.62	29.97	23.60	17.89
2024	10.17	19.21	24.51	31.22	35.48	45.47	51.16	47.50	43.70	32.00	22.22	22.54
2025	7.55	8.99	28.69	29.66	39.26	44.48	50.33	48.49	42.50	32.29	32.00	25.58
2026	18.35	21.71	29.50	30.86	37.23	44.96	53.19	49.13	44.40	M	M	M
NCEI Climatology	13.00	15.18	21.90	28.00	36.09	42.70	46.10	43.20	36.70	27.90	19.30	12.00

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2021	M	M	37.28	41.87	49.77	67.37	72.21	64.89	58.22	46.11	38.87	27.88
2022	23.06	30.26	35.54	36.08	48.95	59.15	68.64	69.92	60.53	47.47	19.46	18.96
2023	18.85	21.04	27.56	40.19	56.07	58.55	67.45	66.52	57.56	43.29	35.90	29.71
2024	21.69	27.87	35.75	44.63	48.81	61.45	69.45	65.33	60.19	48.95	33.59	32.44
2025	18.24	18.60	40.25	43.49	53.05	60.95	67.96	66.11	60.20	44.98	43.30	37.09
2026	30.23	35.73	43.24	43.91	53.48	58.91	70.61	66.72	59.20	M	M	M
NCEI Climatology	24.20	27.46	35.55	42.50	51.24	58.70	65.40	63.30	55.10	43.60	31.70	23.26

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
2021	M	M	52.5%	45.2%	49.4%	38.5%	40.4%	52.3%	38.1%	59.6%	54.5%	56.9%
2022	66.9%	56.6%	51.5%	52.1%	56.1%	53.7%	44.0%	42.9%	50.4%	59.4%	69.3%	71.6%
2023	78.1%	66.8%	71.0%	58.4%	59.4%	67.1%	45.9%	56.1%	59.3%	66.7%	60.9%	67.9%
2024	69.1%	74.5%	61.5%	49.6%	50.9%	44.9%	40.2%	48.0%	52.4%	51.6%	63.5%	64.8%
2025	74.0%	71.5%	53.2%	54.6%	58.7%	47.6%	45.3%	46.0%	54.2%	61.7%	51.1%	57.1%
2026	61.0%	54.7%	45.5%	57.2%	45.3%	50.1%	52.7%	48.5%	52.0%	M	M	M