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
2000	M	M	M	M	M	M	M	M	M	M	M	M
2001	0.00	M	M	M	0.00	M	M	M	M	M	M	M
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	M
2007	M	0.00	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	0.00	0.00	0.00	0.00	0.00
2012	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2013	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M
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	0.00	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
2000	M	M	M	M	M	M	M	M	M	M	M	M
2001	M	M	M	M	M	M	M	M	M	M	M	M
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	3.8	3.7	3.6	3.6	3.7	3.8	3.4	4.1	4.9
2006	5.6	6.7	4.2	4.0	3.8	3.8	3.0	3.8	3.9	3.5	3.4	6.2
2007	7.3	5.3	4.2	4.1	3.9	3.9	3.5	3.8	3.9	3.6	4.2	6.5
2008	5.3	5.5	5.3	3.9	3.5	3.8	3.7	3.9	3.8	3.8	3.5	5.2
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	5.3	4.1	4.1	3.8	4.9	7.1
2012	6.2	4.9	4.2	4.3	4.2	3.8	3.9	4.0	4.0	4.1	3.8	5.1
2013	5.5	6.2	4.6	4.3	4.3	3.9	3.9	4.1	4.1	4.5	4.4	6.8
2014	6.6	4.7	4.8	4.7	4.5	4.2	3.9	4.1	4.0	4.1	4.1	7.0
2015	5.5	5.0	4.6	4.1	4.2	3.8	3.9	4.1	3.7	3.6	3.8	5.4
2016	5.1	6.8	4.3	4.0	4.1	3.8	4.0	3.6	3.9	3.8	3.9	4.9
2017	6.2	6.8	4.4	4.0	4.1	3.9	3.7	3.9	4.1	4.4	4.3	6.1
2018	5.5	5.3	4.8	4.1	3.5	3.9	3.4	3.4	3.9	4.1	4.2	4.5
2019	6.2	4.5	4.0	4.3	4.2	4.2	4.3	4.4	4.3	4.1	4.9	7.4
2020	5.7	6.4	4.3	3.9	4.3	4.0	4.1	4.1	4.1	3.8	4.1	5.5
2021	6.8	5.0	4.9	4.1	4.0	4.5	4.0	3.6	4.1	3.9	4.0	6.7
2022	5.4	5.8	4.0	3.8	4.0	4.1	3.8	4.2	3.9	4.4	3.7	5.0
2023	6.4	5.7	4.9	3.9	3.9	4.3	3.8	3.8	3.8	4.1	4.5	6.5
2024	6.6	4.6	4.1	4.0	4.1	4.2	4.2	4.3	3.8	4.6	4.4	5.2
2025	6.2	4.6	4.7	4.0	4.2	3.7	M	M	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	M	M	M	87.80	M	M	M	M	M	M	M	M
2001	82.40	82.40	M	77.00	82.10	80.15	83.30	82.40	M	M	M	M
2002	M	M	M	M	M	M	M	75.20	73.40	M	M	M
2003	84.65	85.55	87.74	89.12	89.54	89.72	87.80	M	M	M	M	M
2004	M	86.90	M	M	M	83.45	82.85	81.58	79.29	81.74	80.79	79.86
2005	83.27	86.00	86.46	89.12	89.95	89.42	89.19	82.40	M	86.99	85.88	82.75
2006	84.03	82.27	83.90	83.39	80.02	83.45	83.56	82.01	81.32	80.96	82.08	80.74
2007	82.63	85.49	87.97	88.82	89.60	90.26	88.38	88.61	88.88	86.46	85.64	84.55
2008	84.20	83.70	82.98	86.66	85.83	86.48	85.65	85.77	86.06	86.00	78.93	78.03
2009	81.94	86.26	86.58	88.46	88.96	88.10	88.32	89.25	89.36	88.26	85.64	85.88
2010	85.88	88.19	89.31	90.14	91.57	91.10	89.43	89.72	88.52	86.99	86.18	84.03
2011	83.12	82.75	83.08	86.00	85.68	85.30	85.19	87.11	89.00	86.75	85.82	84.49
2012	84.37	86.93	88.03	89.30	90.30	89.84	89.02	88.90	88.82	87.28	86.84	85.59
2013	84.95	85.49	88.44	89.90	90.65	90.26	88.67	88.67	88.64	87.57	85.34	84.03
2014	83.68	85.81	87.86	91.22	92.04	91.52	90.06	89.31	89.24	88.21	84.86	85.83
2015	84.32	85.23	88.44	89.24	91.86	91.04	90.41	90.35	89.72	88.55	87.14	87.22
2016	87.92	87.24	89.25	92.54	92.85	90.38	90.65	90.24	88.82	87.86	85.34	84.55
2017	84.84	85.61	88.15	89.60	90.94	90.62	90.06	89.31	89.18	88.21	85.94	84.37
2018	84.14	85.87	88.50	89.36	90.88	90.44	90.12	90.18	89.24	88.03	86.48	85.42
2019	86.12	87.54	89.72	91.16	91.34	90.56	90.76	90.47	88.88	88.03	87.26	85.19
2020	86.17	86.74	88.90	89.24	91.28	89.96	89.77	89.66	89.48	87.68	85.22	84.61
2021	83.33	86.06	88.38	89.42	90.06	90.92	89.60	88.38	88.82	89.43	85.16	84.49
2022	85.88	85.42	87.86	89.00	89.66	89.72	89.25	89.37	88.46	86.52	86.84	82.98
2023	83.91	85.61	87.05	91.52	91.23	90.32	89.66	89.25	89.18	90.01	85.76	85.42
2024	85.07	87.86	89.43	93.08	93.61	91.82	90.06	90.94	89.84	90.01	87.02	84.43
2025	84.26	86.13	87.92	88.64	90.76	89.48	M	M	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	M	M	M	87.80	M	M	M	M	M	M	M	M
2001	79.40	78.80	M	77.00	81.80	80.15	83.30	82.40	M	M	M	M
2002	M	M	M	M	M	M	M	75.20	73.40	M	M	M
2003	74.53	75.01	75.32	76.04	77.06	75.20	74.00	M	M	M	M	M
2004	M	79.70	M	M	M	80.00	78.95	77.00	77.08	77.85	77.84	75.70
2005	72.30	73.85	74.39	74.96	75.26	72.02	72.41	77.00	M	71.95	75.74	67.77
2006	74.97	78.93	79.64	80.96	78.08	77.83	80.41	79.31	79.52	79.52	79.76	79.15
2007	75.43	75.59	75.72	76.28	76.71	76.88	75.72	75.43	75.62	75.14	75.14	76.19
2008	75.55	73.83	74.97	74.18	74.15	73.46	72.88	72.35	73.34	73.69	76.81	76.68
2009	72.94	74.75	75.72	76.82	76.36	74.36	75.20	75.72	76.04	75.43	75.74	77.00
2010	75.95	76.10	76.88	77.84	78.34	77.18	76.54	76.83	75.80	74.97	75.92	74.85
2011	76.64	77.00	77.50	79.13	80.34	80.21	80.54	78.32	75.80	76.07	76.52	77.23
2012	76.48	76.63	76.77	76.76	77.00	77.18	76.36	76.19	75.62	75.66	76.70	76.30
2013	76.01	76.87	76.54	77.42	77.75	77.90	76.30	75.49	76.04	75.55	75.80	76.42
2014	75.08	73.34	75.03	77.36	78.10	77.72	76.77	76.01	76.16	76.25	76.04	76.30
2015	74.79	74.88	75.49	76.94	77.87	78.44	77.06	76.71	77.12	77.12	76.46	77.70
2016	78.16	78.55	77.17	79.34	79.15	77.48	76.88	77.29	75.44	76.07	75.74	75.37
2017	76.42	76.61	76.19	77.30	77.70	76.58	76.65	75.95	75.92	76.30	76.16	75.66
2018	75.78	75.59	77.17	76.88	77.81	76.76	76.59	76.36	75.50	76.42	76.34	76.30
2019	77.17	76.10	75.78	77.84	78.34	77.78	77.00	77.41	76.34	76.48	76.04	77.46
2020	77.23	77.12	76.77	77.90	78.86	77.36	76.71	76.77	77.18	76.83	76.76	76.54
2021	75.61	74.88	77.00	76.70	77.29	76.82	76.54	76.48	76.10	77.12	76.16	76.19
2022	75.26	76.36	77.06	77.24	77.70	76.94	77.06	76.65	76.10	75.95	76.22	75.32
2023	76.13	76.61	77.23	78.14	78.05	77.30	77.52	76.48	77.30	77.35	77.00	77.46
2024	78.57	77.37	77.81	79.64	80.19	78.26	78.10	77.41	77.72	77.35	76.70	76.88
2025	76.01	76.87	78.57	77.48	77.87	78.32	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
2000	M	M	M	87.80	M	M	M	M	M	M	M	M
2001	80.90	80.60	M	77.00	81.95	80.15	83.30	82.40	M	M	M	M
2002	M	M	M	M	M	M	M	75.20	73.40	M	M	M
2003	79.59	80.28	81.53	82.58	83.30	82.46	80.90	M	M	M	M	M
2004	M	83.30	M	M	M	81.73	80.90	79.29	78.19	79.79	79.31	77.78
2005	77.78	79.92	80.43	82.04	82.60	80.72	80.80	79.70	M	79.47	80.81	75.26
2006	79.50	80.60	81.77	82.17	79.05	80.64	81.98	80.66	80.42	80.24	80.92	79.94
2007	79.03	80.54	81.85	82.55	83.15	83.57	82.05	82.02	82.25	80.80	80.39	80.37
2008	79.87	78.77	78.97	80.42	79.99	79.97	79.26	79.06	79.70	79.85	77.87	77.35
2009	77.44	80.50	81.15	82.64	82.66	81.23	81.76	82.49	82.70	81.85	80.69	81.44
2010	80.92	82.14	83.10	83.99	84.95	84.14	82.98	83.27	82.16	80.98	81.05	79.44
2011	79.88	79.87	80.29	82.57	83.01	82.75	82.87	82.71	82.40	81.41	81.17	80.86
2012	80.43	81.78	82.40	83.03	83.65	83.51	82.69	82.55	82.22	81.47	81.77	80.95
2013	80.48	81.18	82.49	83.66	84.20	84.08	82.49	82.08	82.34	81.56	80.57	80.22
2014	79.38	79.57	81.44	84.29	85.07	84.62	83.42	82.66	82.70	82.23	80.45	81.06
2015	79.55	80.05	81.96	83.09	84.87	84.74	83.74	83.53	83.42	82.84	81.80	82.46
2016	83.04	82.90	83.21	85.94	86.00	83.93	83.76	83.76	82.13	81.96	80.54	79.96
2017	80.63	81.11	82.17	83.45	84.32	83.60	83.36	82.63	82.55	82.25	81.05	80.02
2018	79.96	80.73	82.84	83.12	84.35	83.60	83.36	83.27	82.37	82.23	81.41	80.86
2019	81.65	81.82	82.75	84.50	84.84	84.17	83.88	83.94	82.61	82.25	81.65	81.33
2020	81.70	81.93	82.84	83.57	85.07	83.66	83.24	83.21	83.33	82.25	80.99	80.57
2021	79.47	80.47	82.69	83.06	83.68	83.87	83.07	82.43	82.46	83.27	80.66	80.34
2022	80.57	80.89	82.46	83.12	83.68	83.33	83.15	83.01	82.28	81.24	81.53	79.15
2023	80.02	81.11	82.14	84.83	84.64	83.81	83.59	82.86	83.24	83.68	81.38	81.44
2024	81.82	82.62	83.62	86.36	86.90	85.04	84.08	84.17	83.78	83.68	81.86	80.66
2025	80.14	81.50	83.24	83.06	84.32	83.90	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
2000	M	M	M	M	M	M	M	M	M	M	M	M
2001	M	M	M	M	M	M	M	M	M	M	M	M
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	80.7%	83.7%	85.9%	83.9%	83.4%	83.0%	87.1%	87.2%	90.1%
2006	90.2%	82.5%	83.0%	83.1%	84.8%	83.9%	84.3%	83.3%	82.5%	83.5%	87.6%	83.0%
2007	85.2%	79.4%	83.8%	82.7%	82.9%	82.9%	84.9%	82.3%	82.2%	85.3%	84.8%	82.6%
2008	82.1%	80.9%	80.6%	80.5%	82.6%	81.7%	81.1%	82.4%	80.3%	81.6%	87.2%	82.6%
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	81.1%	86.7%	85.9%	88.0%	88.4%	83.5%
2012	83.8%	82.1%	85.0%	85.5%	84.5%	85.0%	85.0%	85.1%	86.4%	86.3%	88.3%	89.5%
2013	84.5%	85.6%	83.2%	83.5%	82.5%	84.5%	83.7%	84.8%	84.7%	86.4%	88.6%	86.1%
2014	79.2%	79.6%	79.3%	78.0%	79.1%	81.8%	84.3%	82.4%	83.8%	87.7%	88.6%	84.8%
2015	80.2%	78.4%	78.1%	84.4%	80.4%	82.1%	81.3%	82.8%	83.4%	84.8%	88.4%	84.4%
2016	83.4%	79.6%	78.4%	78.6%	79.6%	82.3%	83.9%	83.7%	83.6%	84.8%	89.5%	88.1%
2017	85.9%	80.0%	80.4%	82.4%	82.4%	83.3%	84.0%	84.5%	83.8%	84.5%	88.4%	84.9%
2018	85.7%	78.4%	79.0%	81.1%	81.0%	81.0%	82.9%	84.3%	84.0%	85.5%	87.7%	88.8%
2019	81.9%	80.2%	78.7%	80.2%	82.6%	83.9%	82.0%	82.8%	84.6%	85.3%	86.0%	80.6%
2020	81.2%	80.7%	80.9%	83.7%	83.7%	84.1%	83.7%	83.9%	81.8%	85.5%	88.5%	85.1%
2021	81.4%	77.4%	79.2%	83.5%	83.9%	80.6%	84.1%	85.3%	84.3%	84.7%	90.6%	86.1%
2022	82.1%	87.4%	85.4%	85.3%	85.4%	83.8%	86.7%	84.1%	85.3%	87.7%	88.2%	88.8%
2023	85.0%	82.7%	80.1%	80.9%	84.0%	83.9%	85.6%	86.8%	86.3%	84.1%	89.6%	89.0%
2024	84.8%	82.1%	81.1%	79.9%	81.3%	82.8%	86.7%	82.0%	83.2%	82.4%	87.7%	87.4%
2025	82.1%	80.5%	80.6%	84.1%	83.1%	82.8%	M	M	M	M	M	M