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	M	M	M	M	M	0.00	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	3.9	M	M	M	M	3.2	3.4	3.7	3.3	3.1	3.4
2005	3.8	3.7	3.7	4.0	3.8	3.9	3.3	3.8	4.2	3.9	3.5	3.6
2006	3.9	3.9	4.1	3.6	3.7	3.8	3.7	3.7	3.8	3.9	3.8	3.7
2007	3.6	4.2	3.6	3.7	4.0	4.0	3.4	3.7	3.9	3.9	3.7	3.4
2008	3.6	4.3	3.3	3.8	3.5	3.2	3.8	4.1	3.9	3.5	3.4	3.7
2009	3.9	3.4	3.7	3.9	3.8	3.5	3.6	3.9	3.6	4.0	3.2	3.2
2010	3.3	3.6	3.6	3.0	3.4	3.7	3.5	3.5	3.9	3.7	3.6	4.0
2011	3.7	4.0	3.7	3.6	3.8	4.0	4.0	4.0	3.7	3.5	3.2	3.5
2012	3.8	3.6	3.6	3.7	3.5	3.8	3.9	3.4	3.7	3.3	3.4	3.3
2013	4.0	3.4	3.8	4.0	4.0	4.1	3.9	4.1	4.3	3.6	3.4	3.5
2014	4.6	4.5	4.4	3.8	3.9	3.7	3.8	3.8	4.1	4.1	3.5	3.8
2015	4.3	4.5	4.0	3.7	3.7	3.9	4.2	4.1	3.6	3.6	3.6	3.7
2016	4.0	4.1	4.2	3.7	3.3	4.1	4.2	3.9	4.4	4.5	3.5	3.8
2017	3.6	3.7	3.6	3.5	3.6	3.6	3.5	3.7	3.6	3.5	3.4	4.3
2018	3.6	4.1	4.0	3.7	3.4	3.6	4.0	4.0	4.1	3.7	3.4	3.4
2019	4.3	3.9	4.1	3.7	4.3	4.3	4.1	4.2	3.9	3.8	3.5	3.8
2020	3.6	3.9	4.0	3.8	3.7	3.7	3.7	3.7	3.6	3.7	3.4	3.5
2021	3.8	4.8	3.8	3.6	3.8	3.8	3.5	3.8	3.4	3.8	3.0	3.6
2022	3.7	3.5	3.2	3.3	4.0	3.5	3.8	3.9	4.1	4.0	3.4	3.9
2023	3.5	3.8	4.0	3.8	4.1	4.1	3.7	4.1	4.0	4.0	3.8	3.4
2024	3.5	4.0	4.2	3.8	4.0	3.7	4.2	4.0	3.9	4.0	3.8	3.9
2025	4.1	3.9	4.1	3.9	4.3	3.9	3.9	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	77.00	M	M	M	M	M	M	M	M
2001	81.05	81.20	M	78.80	87.35	84.65	78.80	83.30	77.00	M	M	M
2002	M	M	M	M	M	M	M	M	77.00	M	M	M
2003	92.52	92.17	92.56	90.44	90.76	89.42	89.00	M	M	M	M	M
2004	M	91.40	M	M	M	85.40	83.00	84.53	78.96	82.12	81.50	80.48
2005	91.81	94.94	93.66	92.78	91.92	91.70	91.46	80.60	M	90.01	90.02	89.54
2006	91.52	86.40	84.57	82.31	82.90	82.85	83.52	82.14	81.32	81.14	80.20	80.60
2007	89.60	91.93	91.17	91.10	92.27	90.86	90.06	90.35	89.96	89.14	89.78	88.90
2008	91.52	91.34	90.12	89.90	90.88	89.78	88.79	89.43	89.36	89.83	80.66	81.56
2009	89.89	92.30	91.17	92.24	91.81	92.48	90.41	90.01	89.78	90.59	88.10	89.77
2010	90.59	93.26	93.32	91.76	91.81	90.38	90.18	90.70	89.72	91.11	89.06	86.75
2011	85.34	84.96	84.39	85.07	84.73	86.16	86.56	86.28	89.24	89.14	88.82	88.67
2012	89.72	91.09	89.95	90.98	91.23	92.66	90.65	91.40	90.08	89.54	90.32	88.96
2013	90.30	88.89	92.15	91.58	92.21	92.12	91.98	90.88	89.96	89.43	89.00	88.03
2014	88.90	94.10	94.59	91.16	90.70	92.18	92.68	90.01	89.60	89.66	89.18	87.16
2015	90.65	92.56	93.14	91.34	91.63	91.16	91.81	90.65	90.32	89.08	88.88	90.47
2016	92.27	92.21	96.05	95.18	92.15	92.54	92.97	92.50	92.00	91.52	90.26	89.89
2017	89.08	90.82	90.76	91.34	90.82	91.40	90.94	90.30	89.18	91.23	88.28	89.54
2018	87.10	91.85	92.04	91.22	90.18	90.62	90.70	92.10	89.66	88.90	89.42	89.43
2019	91.34	91.98	93.95	92.24	91.75	91.28	92.33	91.57	91.64	89.72	90.56	89.48
2020	92.21	92.83	93.37	91.94	91.86	89.84	89.54	90.65	89.24	88.73	88.46	88.90
2021	87.68	93.07	91.69	91.22	90.76	90.68	90.47	89.83	89.96	91.57	89.06	89.25
2022	91.69	89.60	91.28	92.00	93.03	90.98	92.74	91.98	90.50	89.72	88.88	88.09
2023	88.90	89.92	91.05	92.24	92.33	91.82	90.65	91.28	90.14	90.76	89.60	89.43
2024	90.53	93.20	93.14	93.26	92.50	91.76	91.69	90.06	90.74	90.59	88.76	89.02
2025	88.44	90.89	91.40	91.34	92.15	91.76	92.26	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	77.00	M	M	M	M	M	M	M	M
2001	81.05	77.60	M	78.80	87.35	81.95	78.80	83.30	77.00	M	M	M
2002	M	M	M	M	M	M	M	M	77.00	M	M	M
2003	75.65	75.97	76.07	75.62	76.01	75.02	74.00	M	M	M	M	M
2004	M	78.80	M	M	M	81.80	79.55	78.47	77.16	78.33	76.61	78.32
2005	75.08	74.56	74.97	71.36	75.55	72.20	72.76	77.00	M	69.22	70.10	69.86
2006	72.41	77.33	77.99	79.61	79.88	77.30	79.23	79.57	79.16	80.06	74.13	77.62
2007	72.88	71.02	73.92	75.08	75.95	75.44	74.56	73.75	74.42	73.52	73.70	73.28
2008	73.34	72.84	73.57	74.36	74.97	74.24	73.92	73.63	73.76	74.27	77.84	78.16
2009	73.23	74.49	74.97	76.16	76.36	76.58	75.55	75.72	75.68	75.32	75.14	75.20
2010	75.08	76.61	76.36	76.58	76.88	75.38	75.49	75.43	75.08	75.43	74.66	73.81
2011	74.42	76.10	76.81	76.47	79.00	80.29	80.23	76.10	75.14	74.91	74.84	75.08
2012	74.79	74.70	75.26	75.80	76.65	76.88	75.49	76.01	75.62	75.08	75.08	75.14
2013	75.37	75.14	76.01	76.28	76.71	75.98	75.90	75.26	75.50	74.68	74.90	74.79
2014	73.69	74.43	76.25	75.50	76.25	77.36	77.12	75.26	75.14	74.85	75.08	73.63
2015	74.50	75.46	75.26	75.62	77.41	77.00	76.48	76.25	76.40	75.55	74.78	74.97
2016	75.95	75.82	77.70	78.38	77.70	76.82	76.94	76.94	75.98	76.42	75.80	75.55
2017	74.79	74.81	75.66	75.62	77.41	76.28	76.01	75.43	75.44	75.72	75.20	75.49
2018	73.52	74.49	75.20	76.16	76.13	75.74	75.55	75.55	74.60	75.14	75.86	74.74
2019	75.32	75.14	76.48	76.70	76.71	77.54	77.00	76.07	76.40	74.85	75.50	75.32
2020	76.48	76.38	76.71	76.22	77.06	75.80	75.37	76.94	74.78	75.72	75.26	74.79
2021	73.81	74.88	75.26	76.04	76.07	74.96	76.01	74.97	75.26	76.36	75.14	75.20
2022	74.79	74.69	75.84	76.04	77.58	76.10	77.29	75.78	75.20	75.37	75.26	74.79
2023	74.27	74.75	75.43	75.92	76.88	76.46	76.30	75.95	75.56	75.90	75.86	75.90
2024	75.55	76.13	77.06	77.90	77.93	76.34	76.94	75.84	75.44	75.26	75.56	75.72
2025	74.56	74.88	76.19	75.92	77.12	76.46	76.57	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	77.00	M	M	M	M	M	M	M	M
2001	81.05	79.40	M	78.80	87.35	83.30	78.80	83.30	77.00	M	M	M
2002	M	M	M	M	M	M	M	M	77.00	M	M	M
2003	84.09	84.07	84.32	83.03	83.39	82.22	81.50	M	M	M	M	M
2004	M	85.10	M	M	M	83.60	81.28	81.50	78.06	80.22	79.06	79.40
2005	83.45	84.75	84.32	82.07	83.74	81.95	82.11	78.80	M	79.61	80.06	79.70
2006	81.96	81.87	81.28	80.96	81.39	80.08	81.38	80.86	80.24	80.60	77.17	79.11
2007	81.24	81.47	82.55	83.09	84.11	83.15	82.31	82.05	82.19	81.33	81.74	81.09
2008	82.43	82.09	81.85	82.13	82.92	82.01	81.35	81.53	81.56	82.05	79.25	79.86
2009	81.56	83.40	83.07	84.20	84.08	84.53	82.98	82.86	82.73	82.95	81.62	82.49
2010	82.84	84.94	84.84	84.17	84.35	82.88	82.84	83.07	82.40	83.27	81.86	80.28
2011	79.88	80.53	80.60	80.77	81.87	83.22	83.39	81.19	82.19	82.02	81.83	81.88
2012	82.25	82.90	82.60	83.39	83.94	84.77	83.07	83.71	82.85	82.31	82.70	82.05
2013	82.84	82.01	84.08	83.93	84.46	84.05	83.94	83.07	82.73	82.05	81.95	81.41
2014	81.30	84.26	85.42	83.33	83.47	84.77	84.90	82.63	82.37	82.25	82.13	80.40
2015	82.57	84.01	84.20	83.48	84.52	84.08	84.14	83.45	83.36	82.31	81.83	82.72
2016	84.11	84.01	86.87	86.78	84.93	84.68	84.95	84.72	83.99	83.97	83.03	82.72
2017	81.94	82.82	83.21	83.48	84.11	83.84	83.47	82.86	82.31	83.47	81.74	82.52
2018	80.31	83.17	83.62	83.69	83.15	83.18	83.13	83.82	82.13	82.02	82.64	82.08
2019	83.33	83.56	85.22	84.47	84.23	84.41	84.66	83.82	84.02	82.28	83.03	82.40
2020	84.35	84.60	85.04	84.08	84.46	82.82	82.46	83.79	82.01	82.23	81.86	81.85
2021	80.75	83.97	83.47	83.63	83.42	82.82	83.24	82.40	82.61	83.97	82.10	82.23
2022	83.24	82.14	83.56	84.02	85.30	83.54	85.01	83.88	82.85	82.55	82.07	81.44
2023	81.59	82.34	83.24	84.08	84.61	84.14	83.47	83.62	82.85	83.33	82.73	82.66
2024	83.04	84.67	85.10	85.58	85.22	84.05	84.32	82.95	83.09	82.92	82.16	82.37
2025	81.50	82.88	83.79	83.63	84.64	84.11	84.42	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	73.1%	M	M	M	M	81.4%	75.8%	81.7%	83.8%	82.3%	80.8%
2005	74.4%	72.5%	74.1%	83.3%	81.9%	80.1%	80.5%	76.2%	75.1%	83.2%	85.2%	85.0%
2006	79.7%	79.7%	80.2%	83.6%	83.8%	80.5%	80.1%	80.7%	85.6%	84.4%	88.4%	83.6%
2007	82.5%	78.7%	82.2%	83.5%	78.9%	81.7%	82.3%	79.8%	82.6%	86.8%	86.7%	84.0%
2008	81.7%	75.3%	84.9%	83.5%	80.0%	83.2%	82.0%	81.2%	80.6%	83.6%	85.9%	83.0%
2009	84.1%	84.1%	86.0%	83.9%	82.4%	78.7%	82.7%	86.5%	84.2%	84.3%	87.9%	84.0%
2010	83.3%	79.0%	79.9%	85.3%	83.8%	82.8%	84.3%	81.2%	83.0%	82.6%	86.4%	86.6%
2011	84.8%	82.6%	85.2%	85.3%	84.2%	81.6%	77.3%	82.7%	82.9%	84.4%	87.3%	83.6%
2012	80.4%	81.9%	83.0%	81.5%	80.3%	72.2%	76.6%	77.4%	78.8%	82.4%	85.7%	84.9%
2013	79.8%	82.1%	79.7%	83.1%	79.3%	76.1%	74.1%	78.0%	78.6%	83.3%	82.8%	83.5%
2014	77.0%	69.8%	71.7%	83.1%	83.5%	75.1%	73.9%	79.6%	80.5%	84.5%	86.1%	89.1%
2015	81.4%	74.5%	78.7%	84.7%	83.4%	81.0%	79.5%	81.9%	81.4%	84.3%	87.4%	82.4%
2016	80.4%	76.2%	73.4%	76.1%	81.1%	73.9%	75.6%	74.1%	74.0%	74.7%	84.7%	80.9%
2017	81.4%	77.4%	80.7%	84.1%	82.9%	78.7%	77.7%	80.9%	82.5%	79.7%	86.3%	81.6%
2018	87.4%	77.1%	79.9%	83.4%	85.7%	78.4%	77.7%	72.7%	82.0%	85.3%	83.6%	85.0%
2019	76.8%	76.3%	75.8%	81.5%	82.6%	80.9%	77.2%	76.5%	77.5%	84.9%	83.4%	81.4%
2020	75.8%	75.1%	78.0%	82.7%	83.9%	81.3%	82.8%	79.4%	83.3%	81.6%	86.1%	85.3%
2021	83.2%	70.6%	76.9%	82.9%	84.6%	81.4%	78.9%	83.1%	81.7%	77.5%	84.2%	79.9%
2022	76.7%	79.4%	80.4%	82.3%	74.4%	77.6%	72.2%	76.4%	77.9%	80.5%	83.7%	81.8%
2023	80.3%	80.2%	76.0%	80.7%	77.9%	78.1%	80.9%	80.1%	82.8%	85.0%	87.0%	87.3%
2024	82.4%	78.0%	78.5%	83.7%	84.4%	83.1%	76.4%	83.7%	83.8%	83.7%	86.9%	86.2%
2025	83.6%	82.4%	82.4%	80.5%	77.4%	75.4%	73.5%	M	M	M	M	M