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
1999	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2000	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2001	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2002	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2003	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
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
1999	8.0	2.8	8.7	9.2	9.1	8.1	8.5	7.5	8.1	10.3	8.0	7.8
2000	6.4	7.6	7.4	8.8	7.3	7.8	8.2	7.8	7.5	7.7	8.2	8.0
2001	8.7	8.1	8.6	8.7	6.0	6.4	7.1	5.8	6.9	5.3	5.5	4.7
2002	5.1	6.8	8.2	5.1	6.2	5.1	6.1	9.1	9.8	4.4	6.7	5.9
2003	5.0	5.1	7.0	5.4	5.7	6.9	5.3	4.9	5.6	5.9	6.2	5.2
2004	5.3	5.5	6.2	6.9	5.9	5.9	6.4	5.6	6.3	4.9	4.7	4.2
2005	4.6	4.4	3.8	5.0	4.4	4.4	3.2	4.7	5.7	5.4	5.0	6.2
2006	7.0	7.4	7.6	7.9	8.6	6.5	6.2	6.6	6.4	6.4	6.1	6.6
2007	6.5	6.7	7.0	6.6	6.8	6.9	6.7	7.9	6.6	7.1	6.8	6.7
2008	7.0	6.8	7.2	7.5	7.9	7.0	7.9	7.1	7.7	7.4	6.9	6.8
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	3.7	6.3	7.5	7.2	7.3	6.6
2012	7.5	7.3	6.7	7.5	6.5	7.1	7.1	7.0	6.5	6.8	6.9	6.3
2013	6.8	6.0	6.2	6.3	6.1	6.5	5.9	5.9	6.5	5.9	6.3	10.9
2014	6.0	5.7	5.7	6.3	5.7	6.2	6.1	5.0	5.8	5.8	6.3	5.0
2015	6.6	5.8	5.4	5.4	4.5	8.0	6.2	5.1	4.8	4.7	4.9	5.1
2016	5.0	5.1	6.3	5.2	6.2	6.9	6.1	6.3	4.9	5.6	4.9	3.7
2017	4.3	4.2	5.5	5.9	5.7	3.5	7.8	4.9	8.0	7.7	6.9	8.7
2018	7.4	9.1	7.0	6.8	5.4	5.1	5.1	5.6	5.0	5.8	5.1	4.9
2019	5.4	5.4	5.9	6.3	5.7	5.2	5.4	6.2	6.5	5.7	5.3	5.6
2020	5.6	5.1	5.3	6.4	6.1	6.0	5.4	6.2	6.7	7.2	6.6	6.4
2021	7.6	6.3	6.6	5.8	6.2	6.6	4.9	6.0	5.3	4.9	5.6	3.9
2022	5.6	4.8	5.6	5.5	5.1	5.5	5.5	5.3	5.1	5.5	6.3	5.1
2023	4.1	4.7	5.8	4.8	5.3	5.4	5.1	4.8	4.7	6.0	5.1	4.8
2024	4.9	4.2	4.9	5.6	5.5	6.2	4.8	3.7	3.8	4.6	3.8	3.4
2025	5.3	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
1999	80.28	77.33	82.67	89.27	93.68	91.43	86.97	89.39	85.60	80.16	77.71	72.81
2000	76.47	79.52	85.00	86.81	88.96	88.09	89.55	88.59	87.67	83.06	77.83	71.96
2001	73.64	77.10	80.63	86.76	86.84	90.27	88.97	88.81	87.83	83.85	80.52	74.87
2002	74.26	71.26	81.17	88.75	89.39	88.79	88.80	90.50	89.59	88.11	78.87	73.27
2003	69.93	75.03	78.93	86.70	98.20	91.97	88.42	87.20	84.33	80.52	79.82	73.42
2004	M	71.60	M	M	M	85.10	83.60	84.20	84.06	80.75	74.83	68.85
2005	76.07	74.04	80.43	86.54	88.26	90.20	89.77	M	82.40	83.68	79.34	74.62
2006	76.28	69.57	76.55	80.48	86.42	85.23	81.95	84.43	83.43	77.00	71.41	71.18
2007	70.03	74.93	82.46	84.80	90.41	93.14	93.20	90.35	88.16	85.77	77.77	76.79
2008	67.79	76.31	78.94	85.33	86.87	85.57	81.74	88.90	82.88	78.02	65.99	63.66
2009	70.45	75.97	77.00	83.30	88.04	88.73	87.41	89.37	85.40	83.62	75.98	70.15
2010	65.97	67.55	78.10	83.84	91.17	90.56	88.90	90.53	87.74	85.83	82.04	76.83
2011	74.70	69.73	79.60	87.80	87.44	86.64	84.20	89.11	91.04	86.93	80.06	75.72
2012	75.26	76.75	84.08	88.52	90.70	91.34	89.54	89.66	89.12	87.50	80.72	78.05
2013	73.57	80.41	82.05	86.00	88.38	90.62	90.24	90.53	88.22	87.80	78.92	74.10
2014	75.08	79.06	81.94	90.02	88.90	90.26	91.34	95.23	89.54	87.97	77.00	77.52
2015	70.38	75.33	78.10	90.62	91.34	91.64	92.85	95.29	91.52	90.70	82.94	79.50
2016	73.92	79.36	85.19	89.90	93.49	92.48	93.37	92.85	92.12	88.90	82.16	79.09
2017	81.24	86.45	86.35	92.00	92.27	92.56	91.23	94.48	88.76	86.46	86.30	77.64
2018	71.02	82.98	83.45	85.22	90.53	91.88	92.33	90.30	90.86	83.85	78.20	77.58
2019	74.04	80.92	78.51	87.86	94.77	93.20	93.26	96.34	93.26	86.64	78.80	77.35
2020	76.88	76.50	86.58	91.40	90.94	90.86	93.38	91.52	89.00	87.80	82.94	76.25
2021	75.68	76.29	84.84	87.74	92.39	90.08	90.59	90.56	90.50	88.79	82.52	83.91
2022	74.45	74.17	82.05	91.16	96.34	91.94	91.11	93.14	88.22	84.20	79.82	77.41
2023	80.54	79.57	86.41	86.78	90.76	95.72	94.59	92.62	94.70	86.29	78.02	76.25
2024	74.85	80.91	85.13	89.60	101.10	95.60	90.18	91.75	90.38	86.70	85.28	80.54
2025	70.82	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
1999	62.94	65.33	70.22	70.90	75.19	75.53	73.32	74.35	72.97	67.23	63.43	60.19
2000	63.51	66.79	70.00	71.57	75.50	75.02	73.84	72.23	72.93	69.23	66.47	59.70
2001	56.84	54.52	67.01	65.93	59.51	60.35	55.53	61.39	56.49	58.35	55.86	51.30
2002	57.72	54.92	61.01	70.65	71.68	74.51	68.90	71.99	73.19	72.83	63.50	61.32
2003	57.89	62.84	66.15	67.31	76.49	60.95	61.99	66.86	67.62	64.95	59.88	58.89
2004	M	66.20	M	M	M	83.53	81.80	82.93	81.85	78.80	69.73	67.05
2005	63.65	62.66	63.47	70.34	72.82	76.52	75.43	M	82.40	71.08	64.04	61.15
2006	60.92	64.24	71.08	78.08	81.15	84.46	79.88	80.60	82.14	77.00	67.53	69.80
2007	58.13	61.31	66.61	68.36	74.27	76.16	76.59	74.62	73.82	63.76	66.59	73.88
2008	65.16	74.16	72.50	73.33	79.73	77.00	75.44	76.83	74.36	70.22	65.56	63.66
2009	63.75	63.44	65.85	71.36	75.92	77.56	76.74	75.61	74.66	73.63	65.18	62.14
2010	58.88	57.26	61.26	69.92	74.97	75.38	76.25	75.66	73.76	69.05	64.88	60.16
2011	60.61	63.28	72.40	78.87	79.16	81.45	79.19	79.95	74.12	69.16	64.10	61.79
2012	60.80	62.72	68.64	70.94	73.23	75.56	74.33	73.92	74.66	71.08	66.02	63.59
2013	60.92	65.36	64.23	69.92	72.76	75.74	75.37	74.85	73.22	72.06	64.64	60.39
2014	56.33	60.35	65.33	70.28	72.06	76.28	75.14	74.85	72.86	71.77	60.38	63.18
2015	56.62	59.00	63.24	74.12	75.32	75.50	75.72	75.20	75.02	73.23	69.74	65.27
2016	58.19	62.23	67.54	72.50	76.07	75.26	75.78	76.01	75.32	71.83	67.10	64.75
2017	62.72	66.52	69.10	71.90	75.55	80.66	73.98	76.30	74.36	67.36	67.34	55.57
2018	55.11	58.81	66.49	62.66	74.15	75.14	75.08	74.10	74.48	71.08	64.58	62.02
2019	63.18	64.91	65.27	68.96	77.12	77.18	76.88	78.05	75.62	71.89	66.14	63.01
2020	64.17	63.22	70.73	74.72	75.72	76.10	77.36	76.07	74.24	71.95	70.88	61.26
2021	62.90	62.99	68.75	70.28	74.79	76.22	76.71	77.00	76.46	74.85	68.78	67.36
2022	60.34	58.94	63.94	73.04	78.57	76.16	78.22	77.75	74.78	71.54	67.94	63.76
2023	64.81	63.76	69.34	72.98	75.03	80.24	79.90	78.22	78.56	73.92	65.72	64.34
2024	62.72	65.33	70.85	73.76	81.59	79.64	77.58	78.10	77.96	72.99	71.84	66.78
2025	57.75	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
1999	71.61	71.33	76.44	80.08	84.44	83.48	80.15	81.87	79.28	73.69	70.57	66.50
2000	69.99	73.15	77.50	79.19	82.23	81.56	81.69	80.41	80.30	76.15	72.15	65.83
2001	65.24	65.81	73.82	76.35	73.17	75.31	72.25	75.10	72.16	71.10	68.19	63.08
2002	65.99	63.09	71.09	79.70	80.54	81.65	78.85	81.25	81.39	80.47	71.19	67.30
2003	63.19	68.27	71.65	76.58	87.92	72.74	68.90	74.59	71.59	75.21	69.50	66.47
2004	M	68.90	M	M	M	84.31	82.70	83.56	82.95	79.78	72.28	67.95
2005	69.86	68.35	71.95	78.44	80.54	83.36	82.60	M	82.40	77.38	71.69	67.88
2006	68.60	66.90	73.81	79.28	83.78	84.84	80.92	82.51	82.79	77.00	69.47	70.49
2007	64.08	68.12	74.53	76.58	82.34	84.65	84.90	82.49	80.99	74.76	72.18	75.34
2008	66.48	75.23	75.72	79.33	83.30	81.28	78.59	82.86	78.62	74.12	65.78	63.66
2009	67.10	69.70	71.43	77.33	81.98	83.14	82.08	82.49	80.03	78.63	70.58	66.14
2010	62.43	62.41	69.68	76.88	83.07	82.97	82.57	83.10	80.75	77.44	73.46	68.49
2011	67.66	66.50	76.00	83.33	83.30	84.04	81.70	84.53	82.58	78.05	72.08	68.75
2012	68.03	69.74	76.36	79.73	81.96	83.49	81.94	81.79	81.89	79.40	73.37	70.82
2013	67.25	72.89	73.14	77.96	80.57	83.18	82.81	82.69	80.72	79.93	71.78	67.25
2014	65.71	69.70	73.63	80.15	80.48	83.27	83.24	85.04	81.20	79.87	68.69	70.35
2015	63.50	67.16	70.67	82.37	83.33	83.57	84.29	85.25	83.27	81.96	76.34	72.38
2016	66.05	70.79	76.36	81.20	84.78	83.87	84.58	84.43	83.72	80.37	74.63	71.92
2017	71.98	76.49	77.73	81.95	83.91	86.61	82.60	85.39	81.56	76.91	76.82	66.61
2018	63.06	70.89	74.97	73.94	82.34	83.51	83.71	82.20	82.67	77.46	71.39	69.80
2019	68.61	72.92	71.89	78.41	85.94	85.19	85.07	87.19	84.44	79.26	72.47	70.18
2020	70.53	69.86	78.65	83.06	83.33	83.48	85.37	83.79	81.62	79.87	76.91	68.75
2021	69.29	69.64	76.80	79.01	83.59	83.15	83.65	83.78	83.48	81.82	75.65	75.64
2022	67.39	66.55	72.99	82.10	87.45	84.05	84.66	85.45	81.50	77.87	73.88	70.58
2023	72.67	71.66	77.87	79.88	82.89	87.98	87.25	85.42	86.63	80.11	71.87	70.29
2024	68.78	73.12	77.99	81.68	91.34	87.62	83.88	84.93	84.17	79.85	78.56	73.66
2025	64.28	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
1999	76.8%	87.6%	80.1%	79.8%	76.1%	78.8%	83.8%	81.4%	84.4%	82.4%	81.9%	80.7%
2000	84.5%	82.5%	81.9%	78.9%	81.9%	83.4%	78.7%	80.4%	79.6%	82.6%	85.9%	84.0%
2001	85.9%	87.6%	83.0%	81.2%	82.2%	79.9%	81.7%	83.8%	85.1%	84.5%	86.1%	86.7%
2002	84.0%	83.7%	75.8%	79.7%	78.1%	79.6%	81.6%	77.1%	77.6%	81.3%	81.2%	83.6%
2003	86.6%	86.5%	83.2%	77.6%	76.6%	77.8%	79.9%	81.3%	84.2%	85.4%	81.1%	78.3%
2004	85.5%	85.7%	85.8%	85.7%	83.4%	83.8%	80.9%	79.3%	82.0%	85.5%	77.1%	83.5%
2005	83.4%	88.3%	83.1%	76.6%	80.0%	79.4%	81.2%	82.0%	82.2%	87.0%	80.4%	85.3%
2006	80.6%	79.6%	81.7%	78.8%	76.8%	78.6%	82.4%	81.2%	80.5%	82.6%	84.1%	89.1%
2007	89.8%	87.5%	83.5%	85.0%	80.7%	78.9%	78.0%	81.2%	84.7%	81.2%	86.6%	83.6%
2008	86.0%	83.0%	81.0%	83.0%	78.0%	82.6%	82.2%	79.4%	83.1%	83.2%	83.1%	83.8%
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	88.0%	78.9%	76.7%	76.8%	80.5%	84.2%
2012	83.0%	85.9%	81.8%	79.0%	79.1%	76.5%	78.2%	81.4%	81.3%	83.1%	85.3%	85.9%
2013	81.3%	85.1%	77.5%	80.8%	80.5%	79.7%	81.0%	82.1%	85.9%	83.7%	84.9%	89.3%
2014	81.8%	84.2%	84.4%	77.4%	81.2%	82.5%	79.9%	78.0%	84.2%	82.9%	84.5%	86.2%
2015	86.3%	85.1%	86.1%	80.8%	80.3%	79.7%	79.0%	77.0%	80.5%	78.8%	83.8%	83.8%
2016	81.2%	78.5%	82.3%	78.7%	78.3%	79.3%	78.2%	80.5%	81.1%	83.3%	85.0%	90.1%
2017	81.3%	80.2%	80.1%	76.9%	78.8%	76.5%	83.5%	78.0%	85.2%	82.0%	79.4%	81.5%
2018	83.8%	83.4%	82.7%	82.9%	79.6%	78.6%	77.5%	81.3%	80.1%	84.3%	81.9%	82.8%
2019	85.6%	82.4%	86.4%	77.7%	79.8%	79.1%	76.0%	73.5%	76.4%	82.2%	85.5%	82.8%
2020	84.1%	85.6%	81.0%	79.7%	78.2%	78.5%	76.7%	80.2%	79.4%	77.9%	79.2%	78.3%
2021	82.7%	81.8%	74.5%	79.8%	76.2%	81.0%	79.8%	78.6%	78.5%	79.3%	80.0%	79.8%
2022	80.5%	81.5%	77.7%	74.6%	73.9%	75.4%	75.5%	74.4%	81.3%	80.3%	86.5%	84.9%
2023	82.5%	81.5%	80.3%	81.6%	79.3%	77.0%	77.2%	79.0%	74.6%	80.8%	84.3%	85.6%
2024	85.6%	80.3%	83.1%	78.9%	74.6%	76.2%	81.8%	77.7%	80.1%	79.3%	80.8%	82.9%
2025	85.7%	M	M	M	M	M	M	M	M	M	M	M