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.

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
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	M	M
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
2026	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
2016	M	M	8.3	8.1	9.6	8.6	9.2	11.2	8.5	7.8	8.6	12.5
2017	8.7	11.3	10.2	12.7	9.4	8.5	7.3	8.4	8.4	9.2	7.9	9.9
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	6.7	M	M	10.1	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	8.4	9.4	7.7	7.9	9.5	8.7	8.6	10.3
2025	8.6	8.0	10.2	10.0	8.3	7.5	8.8	8.0	8.0	M	M	M
2026	M	7.0	10.8	7.6	7.7	7.6	7.7	7.9	9.0	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2016	M	M	64.22	68.18	70.79	78.56	82.05	82.23	78.62	72.99	65.18	61.79
2017	60.05	62.66	64.75	66.08	71.19	78.92	82.69	81.30	78.26	72.12	66.50	62.08
2018	61.21	60.61	64.11	65.18	69.97	77.78	83.79	81.12	77.42	71.60	65.24	63.47
2019	61.85	60.99	63.76	66.62	73.40	76.10	82.17	84.37	77.78	75.20	66.56	63.82
2020	61.50	64.03	64.86	64.70	73.28	77.96	81.18	84.03	77.78	70.44	66.26	62.77
2021	59.93	61.87	63.82	66.68	72.76	76.10	82.46	82.82	79.52	72.59	65.36	62.89
2022	60.34	62.73	62.08	66.98	73.46	80.54	81.59	83.27	80.78	73.40	70.46	66.55
2023	61.03	59.90	68.23	71.84	73.98	78.38	88.44	85.36	77.72	74.33	69.50	65.27
2024	64.46	64.77	64.69	68.72	71.66	76.34	84.78	84.49	79.88	72.76	68.06	63.41
2025	63.76	62.66	64.40	67.76	73.98	80.36	83.27	82.52	75.80	70.26	61.46	56.33
2026	56.10	59.58	61.79	67.58	72.35	79.94	87.51	84.66	78.50	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2016	M	M	51.68	57.38	61.50	66.26	72.18	73.34	68.84	64.69	56.06	56.15
2017	49.48	55.08	54.47	59.18	63.01	68.96	69.57	72.24	68.54	65.62	56.72	51.97
2018	50.75	49.10	53.60	56.06	59.70	65.18	68.23	70.73	71.00	63.41	55.76	54.18
2019	50.75	52.51	56.10	55.70	62.31	64.46	69.22	71.37	68.60	62.77	56.66	55.40
2020	51.05	55.09	55.05	57.80	62.66	66.20	71.83	71.54	69.20	60.51	60.02	52.73
2021	50.70	55.00	54.41	58.46	61.85	65.72	69.39	71.36	68.60	65.21	54.98	55.40
2022	53.95	55.01	54.06	56.24	62.48	67.58	71.54	71.95	68.54	65.85	59.72	57.20
2023	51.45	53.41	55.69	60.74	62.37	68.48	72.59	72.24	68.54	66.26	57.92	52.85
2024	54.99	55.90	54.88	58.34	61.32	66.68	69.86	73.57	69.20	64.17	61.22	55.05
2025	52.90	53.09	55.11	59.06	62.19	69.56	72.06	73.40	69.56	70.26	61.46	56.33
2026	56.10	57.71	54.06	58.64	62.37	69.74	72.47	71.72	70.85	M	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2016	M	M	57.95	62.78	66.14	72.41	77.12	77.78	73.73	68.84	60.62	58.97
2017	54.76	58.87	59.61	62.63	67.10	73.94	76.13	76.77	73.40	68.87	61.61	57.03
2018	55.98	54.85	58.85	60.62	64.84	71.48	76.01	75.93	74.21	67.51	60.50	58.83
2019	56.30	56.75	59.93	61.16	67.85	70.28	75.69	77.87	73.19	68.99	61.61	59.61
2020	56.27	59.56	59.96	61.25	67.97	72.08	76.51	77.78	73.49	65.47	63.14	57.75
2021	55.31	58.43	59.12	62.57	67.30	70.91	75.93	77.09	74.06	68.90	60.17	59.15
2022	57.14	58.87	58.07	61.61	67.97	74.06	76.56	77.61	74.66	69.63	65.09	61.87
2023	56.24	56.65	61.96	66.29	68.17	73.43	80.51	78.80	73.13	70.29	63.71	59.06
2024	59.73	60.33	59.78	63.53	66.49	71.51	77.32	79.03	74.54	68.46	64.64	59.23
2025	58.33	57.88	59.75	63.41	68.09	74.96	77.67	77.96	72.68	70.26	61.46	56.33
2026	56.10	58.65	57.93	63.11	67.36	74.84	79.99	78.19	74.68	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
2016	M	M	63.1%	68.2%	69.0%	66.0%	68.7%	71.3%	69.3%	78.2%	73.6%	77.9%
2017	65.6%	71.6%	68.3%	72.8%	70.1%	66.5%	68.1%	71.7%	69.7%	80.5%	72.4%	65.8%
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	65.3%	M	M	91.1%	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	69.2%	65.8%	64.6%	72.8%	68.2%	76.5%	80.3%	70.2%
2025	71.3%	74.3%	72.6%	70.7%	63.9%	69.5%	69.1%	70.5%	67.4%	M	M	M
2026	M	81.3%	72.6%	70.9%	65.0%	70.3%	60.1%	68.1%	80.6%	M	M	M