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

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	M	M	M	M	6.3	5.7	5.5	6.3	7.6	6.6	6.8	7.3
2015	7.5	5.7	6.0	7.0	6.0	5.4	5.5	5.6	7.9	6.0	5.8	5.7
2016	6.2	6.3	5.9	5.4	7.0	6.2	6.4	6.2	6.1	5.6	5.4	5.4
2017	5.2	5.8	5.7	5.3	6.0	5.4	5.1	5.4	6.4	6.1	5.8	5.9
2018	5.2	5.2	6.3	6.2	5.8	5.8	5.4	5.7	6.1	6.1	6.6	5.6
2019	6.4	5.4	5.7	5.4	5.6	6.1	5.3	5.5	6.2	5.7	5.5	5.3
2020	4.0	5.1	4.7	4.1	4.9	4.3	3.9	4.1	3.8	4.3	4.1	4.0
2021	4.0	4.2	4.7	4.5	4.3	4.3	4.5	4.7	2.1	5.7	5.3	4.9
2022	4.9	5.1	5.5	5.2	4.5	4.9	4.3	4.0	4.8	5.0	4.0	3.3
2023	4.1	3.4	2.4	M	M	M	6.5	4.0	6.0	3.5	4.7	3.9
2024	5.3	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 Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	75.20	80.60	77.60	84.20	87.20	80.02	79.73	73.68	79.20	81.01	82.28	80.90
2015	81.59	82.46	83.02	82.03	85.30	79.97	78.63	80.18	81.62	83.04	81.70	80.24
2016	83.68	83.03	84.51	83.11	84.94	85.55	81.38	78.18	81.08	81.14	83.11	82.05
2017	82.28	83.36	85.28	85.04	86.96	82.83	79.56	78.53	79.83	81.47	80.90	80.95
2018	80.90	83.04	83.78	83.43	83.68	84.86	84.72	78.05	81.50	81.53	83.06	80.19
2019	82.05	83.17	84.78	85.52	83.91	85.58	81.35	78.68	80.18	81.65	81.50	83.09
2020	83.22	83.56	85.25	86.06	85.59	85.16	82.05	77.29	80.09	82.22	82.46	81.18
2021	83.72	84.12	83.64	83.42	85.42	86.48	84.73	79.85	82.40	80.53	82.76	81.63
2022	81.41	82.93	82.82	82.96	83.99	83.90	79.83	75.03	77.60	80.85	80.60	80.46
2023	80.69	81.36	84.20	M	M	72.95	80.20	77.64	78.89	86.90	80.09	81.63
2024	80.60	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 Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	75.20	75.20	74.20	78.80	72.20	69.80	64.07	64.26	65.87	68.35	71.97	70.40
2015	70.85	70.96	70.61	69.43	69.34	64.40	64.46	62.72	65.90	70.26	70.90	70.52
2016	71.54	71.68	72.28	71.34	69.55	67.29	64.16	66.01	66.56	69.50	71.28	70.26
2017	70.92	69.99	71.84	71.41	72.82	68.09	63.78	64.53	67.55	69.57	70.10	70.21
2018	69.74	70.51	69.98	71.34	70.67	65.42	63.76	63.47	66.56	69.39	70.88	70.61
2019	71.25	71.34	70.85	71.12	69.80	64.16	64.52	63.47	66.68	69.57	70.86	69.89
2020	71.11	71.21	70.90	70.64	70.38	65.17	62.95	64.63	66.71	69.20	69.56	69.97
2021	69.50	70.25	70.48	70.16	69.99	66.80	65.20	66.95	68.00	70.81	71.96	72.18
2022	71.19	71.47	71.72	71.04	69.73	67.25	66.01	63.54	68.13	70.30	70.85	71.82
2023	70.74	71.22	69.80	M	M	68.90	67.90	67.49	69.04	68.90	70.83	73.40
2024	68.00	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 Daily Temperature (high+low)/2 [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	75.20	77.90	75.90	81.50	79.70	74.91	71.90	68.97	72.53	74.68	77.12	75.65
2015	76.22	76.71	76.81	75.73	77.32	72.18	71.54	71.45	73.76	76.65	76.30	75.38
2016	77.61	77.35	78.40	77.23	77.25	76.42	72.77	72.10	73.82	75.32	77.19	76.16
2017	76.60	76.68	78.56	78.22	79.89	75.46	71.67	71.53	73.69	75.52	75.50	75.58
2018	75.32	76.77	76.88	77.39	77.17	75.14	74.24	70.76	74.03	75.46	76.97	75.40
2019	76.65	77.26	77.81	78.32	76.85	74.87	72.94	71.08	73.43	75.61	76.18	76.49
2020	77.16	77.39	78.07	78.35	77.99	75.17	72.50	70.96	73.40	75.71	76.01	75.58
2021	76.61	77.19	77.06	76.79	77.71	76.64	74.97	73.40	75.20	75.67	77.36	76.90
2022	76.30	77.20	77.27	77.00	76.86	75.58	72.92	69.29	72.87	75.57	75.73	76.14
2023	75.71	76.29	77.00	M	M	70.92	74.05	72.56	73.97	77.90	75.46	77.51
2024	74.30	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 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	M	M	70.0%	74.6%	74.4%	79.1%	75.6%	74.7%	78.0%	82.8%
2015	79.5%	80.3%	83.2%	81.6%	80.0%	80.1%	81.9%	80.5%	77.0%	81.4%	82.4%	84.8%
2016	82.4%	83.3%	84.9%	85.9%	77.2%	73.5%	76.6%	79.5%	78.6%	82.6%	81.7%	82.9%
2017	81.6%	80.9%	76.8%	77.0%	73.2%	77.6%	79.5%	79.7%	76.7%	79.9%	82.7%	84.2%
2018	83.5%	82.8%	74.9%	83.5%	82.0%	72.9%	75.2%	83.1%	79.9%	84.4%	82.2%	85.7%
2019	82.7%	81.8%	81.4%	82.2%	82.7%	69.9%	79.8%	81.5%	81.1%	84.3%	80.2%	79.4%
2020	82.7%	82.4%	80.5%	84.4%	78.4%	76.3%	76.6%	81.9%	81.1%	82.2%	84.2%	84.5%
2021	78.9%	82.0%	82.3%	81.8%	73.9%	71.4%	72.1%	79.0%	71.5%	80.6%	80.0%	83.0%
2022	80.7%	76.3%	79.9%	82.5%	77.9%	66.1%	75.5%	79.8%	78.0%	79.4%	76.8%	80.8%
2023	82.8%	80.8%	72.2%	M	M	M	70.3%	78.7%	77.9%	83.8%	83.2%	87.2%
2024	80.0%	M	M	M	M	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M