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
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	0.00	0.00	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
2014	M	M	4.3	6.3	5.6	6.2	5.6	4.8	6.6	6.9	7.6	5.9
2015	5.5	6.3	7.9	7.0	6.2	5.9	5.8	6.7	6.8	8.9	8.7	8.3
2016	9.1	7.3	9.6	8.2	8.1	8.5	8.7	7.6	9.3	8.4	9.7	8.4
2017	10.3	8.8	7.3	9.2	8.0	9.9	8.0	6.9	6.9	8.7	8.7	9.4
2018	8.2	9.2	8.4	7.4	6.8	8.5	8.0	5.9	8.3	8.4	9.9	7.4
2019	6.7	9.2	8.1	9.7	6.5	6.5	7.6	8.1	8.3	8.5	9.5	8.2
2020	7.3	7.5	7.3	7.0	7.0	6.5	5.1	7.3	8.2	9.6	10.5	8.8
2021	8.1	10.0	8.9	7.8	7.1	8.6	6.4	8.5	6.8	9.1	8.5	11.0
2022	8.7	9.8	10.1	9.6	8.4	10.6	8.3	7.2	6.3	6.4	8.6	7.2
2023	7.4	M	M	M	M	M	6.9	9.0	7.6	9.4	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
2025	M	M	M	M	15.7	7.6	9.5	10.5	M	3.9	M	M
2026	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
2014	77.00	82.40	80.18	80.88	80.40	70.31	67.37	69.16	71.46	74.91	78.80	78.68
2015	80.24	82.40	86.47	81.41	77.17	70.70	68.93	69.16	72.62	77.31	80.94	81.68
2016	83.94	85.49	82.30	83.67	79.15	75.67	73.47	72.00	74.04	77.43	80.35	81.02
2017	80.17	79.91	83.92	83.16	80.06	71.40	70.06	70.43	75.67	76.50	77.58	77.30
2018	79.21	82.73	83.58	86.84	76.61	75.73	74.00	70.60	73.85	78.98	80.96	79.22
2019	81.26	82.91	82.88	78.86	75.84	76.26	72.63	72.01	74.84	78.57	81.63	82.76
2020	82.98	83.75	82.69	81.16	86.06	80.42	76.01	72.88	73.76	77.81	80.60	78.10
2021	83.10	81.93	83.24	87.92	83.30	80.79	74.27	72.53	73.64	75.14	78.38	78.51
2022	80.60	84.27	80.60	80.09	77.42	79.46	70.09	69.25	73.21	77.50	76.81	77.79
2023	79.60	74.84	76.10	M	M	65.00	73.40	70.27	71.73	75.50	80.15	80.15
2024	81.50	85.10	M	M	M	M	M	M	M	M	M	M
2025	M	M	M	M	82.40	71.42	65.92	70.10	69.54	74.30	M	M
2026	M	M	M	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
2014	75.80	77.00	75.75	73.54	66.20	62.86	60.80	61.83	63.39	65.74	70.61	70.79
2015	72.74	74.43	75.80	70.79	64.86	59.96	60.34	60.39	62.78	68.25	73.83	72.44
2016	74.62	77.94	74.00	70.73	65.02	62.80	61.23	62.13	63.56	67.75	72.25	72.02
2017	71.24	69.80	75.06	69.18	65.48	62.80	61.49	62.29	67.53	67.63	69.16	68.36
2018	70.55	72.27	73.28	77.19	67.42	63.80	62.06	62.27	64.27	70.76	71.54	71.78
2019	73.16	72.50	71.84	66.02	63.70	63.53	63.37	63.12	66.86	69.28	73.83	73.82
2020	74.85	73.79	73.11	69.68	70.21	63.80	63.94	63.99	63.92	68.00	71.18	69.86
2021	74.68	70.27	72.56	77.60	70.04	65.49	63.93	63.10	64.52	65.33	69.02	68.79
2022	71.60	73.07	68.18	69.54	64.58	70.22	62.60	61.03	65.24	70.11	71.13	71.71
2023	76.40	72.68	75.20	M	M	62.00	67.76	64.31	67.23	71.50	77.45	76.10
2024	81.50	83.30	M	M	M	M	M	M	M	M	M	M
2025	M	M	M	M	79.40	67.28	63.98	65.60	68.00	70.70	M	M
2026	M	M	M	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
2014	76.40	79.70	77.97	77.21	73.30	66.59	64.09	65.49	67.42	70.32	74.70	74.74
2015	76.49	78.41	81.13	76.10	71.02	65.33	64.63	64.78	67.70	72.78	77.39	77.06
2016	79.28	81.71	78.15	77.20	72.08	69.23	67.35	67.07	68.80	72.59	76.30	76.52
2017	75.70	74.85	79.49	76.17	72.77	67.10	65.77	66.36	71.60	72.07	73.37	72.83
2018	74.88	77.50	78.43	82.01	72.02	69.77	68.03	66.43	69.06	74.87	76.25	75.50
2019	77.21	77.71	77.36	72.44	69.77	69.89	68.00	67.56	70.85	73.92	77.73	78.29
2020	78.92	78.77	77.90	75.42	78.13	72.11	69.97	68.44	68.84	72.90	75.89	73.98
2021	78.89	76.10	77.90	82.76	76.67	73.14	69.10	67.81	69.08	70.24	73.70	73.65
2022	76.10	78.67	74.39	74.81	71.00	74.84	66.35	65.14	69.22	73.80	73.97	74.75
2023	78.00	73.76	75.65	M	M	63.50	70.58	67.29	69.48	73.50	78.80	78.12
2024	81.50	84.20	M	M	M	M	M	M	M	M	M	M
2025	M	M	M	M	80.90	69.35	64.95	67.85	68.77	72.50	M	M
2026	M	M	M	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
2014	M	M	74.4%	76.6%	75.7%	86.9%	81.8%	83.5%	80.2%	74.7%	72.5%	72.9%
2015	74.6%	75.0%	78.1%	85.7%	86.4%	87.1%	89.3%	88.8%	85.5%	76.3%	71.5%	73.0%
2016	72.2%	74.3%	72.1%	75.5%	79.9%	79.5%	80.5%	85.0%	81.6%	75.1%	70.5%	73.9%
2017	71.4%	73.3%	72.4%	75.6%	79.4%	80.0%	82.4%	83.0%	75.1%	74.3%	72.2%	74.8%
2018	74.2%	69.7%	70.9%	76.6%	76.3%	78.9%	79.6%	81.7%	79.5%	74.0%	71.1%	74.2%
2019	74.2%	73.0%	75.1%	76.2%	82.8%	81.3%	81.7%	80.2%	77.1%	74.7%	69.1%	71.6%
2020	75.2%	74.6%	78.2%	78.3%	76.7%	76.1%	81.3%	80.7%	81.7%	75.2%	73.7%	76.2%
2021	66.6%	70.2%	76.5%	76.4%	74.3%	78.3%	85.8%	82.5%	82.3%	76.3%	72.7%	73.2%
2022	73.7%	75.1%	78.9%	77.4%	78.5%	68.8%	81.6%	80.7%	81.4%	77.7%	75.7%	77.3%
2023	71.7%	M	M	M	M	M	71.2%	82.5%	91.3%	74.0%	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
2025	M	M	M	M	30.8%	55.4%	78.6%	69.4%	M	61.6%	M	M
2026	M	M	M	M	M	M	M	M	M	M	M	M