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
2001	M	M	M	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	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
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
2001	M	M	M	9.0	6.8	6.9	5.9	6.5	5.6	9.4	6.4	5.1
2002	5.4	7.5	8.0	7.8	7.2	4.0	4.4	3.7	6.9	3.9	4.6	4.7
2003	5.2	7.0	7.6	8.4	7.0	6.8	5.2	3.9	4.3	4.9	6.8	6.4
2004	M	M	M	M	6.5	7.8	3.6	3.2	2.4	3.8	5.3	5.7
2005	5.0	6.2	7.9	2.4	0.8	5.4	4.6	4.0	4.0	6.1	4.9	4.4
2006	5.6	6.9	8.3	7.7	6.9	3.9	4.9	3.8	3.0	4.7	4.0	4.9
2007	3.9	6.7	12.1	9.5	7.6	7.6	8.0	5.1	4.6	6.3	5.5	7.2
2008	7.7	10.6	12.8	9.8	11.9	7.4	7.5	5.5	6.2	8.1	8.1	9.0
2009	9.1	10.9	11.7	12.5	9.7	7.4	5.6	4.5	2.3	4.3	4.8	3.5
2010	9.5	9.3	11.6	9.0	9.9	8.8	7.5	5.4	7.4	7.0	8.5	8.4
2011	8.8	8.8	11.1	11.5	10.1	10.6	7.3	5.5	4.8	5.8	6.7	6.8
2012	7.7	6.4	10.6	7.8	6.1	7.1	5.2	6.9	4.1	4.0	7.3	5.3
2013	7.9	10.5	11.5	9.8	10.4	4.5	4.2	3.3	3.9	2.5	5.8	6.0
2014	5.6	5.4	9.3	11.4	10.1	8.7	6.4	4.9	6.6	6.1	9.0	7.3
2015	8.4	9.2	10.6	10.2	10.2	8.9	9.7	8.3	5.9	5.2	8.5	9.0
2016	6.1	5.3	11.8	10.4	10.4	9.0	6.7	8.8	6.2	5.3	9.5	9.8
2017	9.1	10.7	11.1	10.1	9.7	8.7	5.4	7.1	4.4	4.7	4.7	3.6
2018	4.0	5.3	8.2	8.2	5.8	8.9	4.2	7.1	6.4	6.8	6.3	7.5
2019	7.1	8.4	8.3	9.4	9.3	9.8	6.6	7.9	5.6	5.8	7.6	5.5
2020	8.0	9.2	10.2	9.5	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	7.6	6.7	5.1	4.0	3.0	3.3	3.2	3.6	7.8
2023	6.9	7.6	8.5	9.2	7.2	7.8	5.8	4.6	2.3	5.2	5.2	4.3
2024	5.3	6.4	8.9	10.3	12.7	8.0	6.0	2.0	3.3	4.5	2.7	3.4
2025	3.8	5.0	6.0	8.9	10.0	7.5	4.2	4.1	2.5	3.1	4.1	3.1
2026	6.4	6.0	6.6	6.2	9.0	8.9	4.7	6.0	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	M	M	86.00	90.92	90.08	90.32	91.34	91.11	91.16	88.32	86.24	85.71
2002	83.66	84.07	87.68	93.98	95.17	89.42	91.90	91.69	88.28	88.96	85.04	81.82
2003	81.56	89.41	92.62	90.56	95.58	93.44	91.57	91.52	91.10	89.66	86.36	82.34
2004	M	86.00	M	M	91.81	92.12	91.64	92.62	91.88	89.37	87.02	85.71
2005	85.42	88.25	91.81	92.48	94.01	89.96	89.48	91.71	91.34	86.12	85.28	84.08
2006	84.03	83.47	88.73	94.04	93.38	91.16	91.15	91.46	91.83	89.89	85.10	83.54
2007	84.55	84.73	86.96	91.28	93.32	90.80	92.64	89.54	88.52	85.94	82.76	84.43
2008	84.20	87.24	87.45	91.16	94.54	88.82	90.24	93.26	90.62	84.49	81.34	83.21
2009	82.13	85.10	87.45	92.66	95.06	93.20	93.95	91.65	91.64	89.31	83.18	82.69
2010	79.96	80.79	85.19	91.16	92.50	93.68	88.03	89.60	88.76	85.88	84.26	78.68
2011	81.82	82.19	85.18	91.29	91.40	87.98	85.10	89.98	90.56	84.08	82.83	81.10
2012	81.63	84.70	89.06	89.18	89.95	88.22	88.55	88.55	90.20	86.58	82.58	85.30
2013	85.65	88.96	86.17	91.64	92.62	89.72	87.80	89.83	87.44	89.25	85.34	85.01
2014	81.35	87.29	90.24	94.04	91.98	91.22	93.43	92.85	89.60	87.63	82.88	84.14
2015	84.78	86.00	92.15	95.90	96.57	91.34	95.17	93.90	92.24	88.50	86.42	85.48
2016	82.75	83.70	89.77	93.56	97.03	93.38	93.08	91.69	92.30	90.35	89.00	89.08
2017	86.52	90.82	91.11	93.14	95.41	91.88	92.68	91.28	90.92	86.75	84.74	84.08
2018	81.06	90.18	91.17	92.12	91.17	89.30	92.45	91.11	91.58	90.35	87.86	85.01
2019	82.81	90.05	92.10	94.58	97.09	96.74	96.63	95.00	94.04	91.52	86.78	85.71
2020	84.72	88.42	92.68	98.24	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	99.32	92.27	90.44	92.45	90.82	89.06	87.86	87.44	85.30
2023	87.10	86.06	90.24	93.62	95.64	94.82	93.49	92.33	92.30	90.41	87.08	80.02
2024	83.85	84.39	93.14	94.94	99.41	92.36	91.34	91.92	90.50	85.54	85.34	81.41
2025	82.05	86.58	89.77	91.16	94.77	92.36	91.86	92.62	90.44	87.34	83.84	84.08
2026	83.04	84.20	88.55	90.68	96.16	95.18	97.32	97.57	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	M	M	78.80	71.97	71.12	74.18	72.76	73.69	73.76	74.56	68.84	67.01
2002	65.84	66.52	69.28	69.62	74.56	72.92	71.66	71.83	73.46	72.12	68.72	65.97
2003	59.12	67.29	69.97	69.32	74.10	75.68	73.40	78.68	80.78	77.54	78.26	73.28
2004	M	75.20	M	M	79.78	81.62	78.68	80.25	80.06	79.15	79.10	74.91
2005	73.40	76.10	78.10	76.88	79.96	78.86	79.73	80.04	79.76	75.98	76.70	75.61
2006	73.28	72.93	77.70	78.68	79.70	80.12	80.03	79.73	81.10	80.37	75.92	75.08
2007	75.26	73.01	77.06	76.04	79.67	79.16	79.92	78.80	78.50	76.88	75.68	75.26
2008	72.24	76.44	78.51	77.72	81.12	79.16	78.80	79.79	79.52	76.30	73.71	73.57
2009	74.33	73.72	77.17	78.02	80.37	80.66	80.08	80.04	80.12	79.32	75.20	74.91
2010	70.61	70.38	72.82	76.10	80.60	81.44	78.86	80.60	80.02	77.41	77.18	71.90
2011	73.59	79.22	79.54	86.64	85.23	85.10	82.50	83.63	79.58	75.32	75.37	74.02
2012	71.92	73.96	78.02	75.56	77.35	78.32	78.22	78.51	78.14	76.65	74.36	73.69
2013	76.54	76.94	74.74	77.96	79.38	77.90	77.23	79.38	77.12	78.28	77.60	76.42
2014	71.95	76.61	78.92	80.72	80.25	80.18	80.54	80.89	79.04	78.45	75.44	74.56
2015	73.75	74.43	80.48	81.44	82.23	80.36	81.76	81.06	80.54	79.09	78.74	78.57
2016	71.72	73.90	80.02	80.06	83.04	80.90	81.18	80.60	80.78	78.28	81.32	78.57
2017	74.74	75.26	75.84	75.86	77.99	78.98	78.22	78.86	78.02	74.91	73.64	71.08
2018	66.43	73.34	74.45	73.04	74.62	77.30	76.54	76.42	77.12	77.58	76.82	72.53
2019	68.93	73.85	75.61	77.36	80.66	81.50	79.55	79.26	78.08	78.10	76.28	71.66
2020	70.55	72.97	77.35	78.15	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	81.95	74.74	74.36	75.08	75.55	74.84	74.11	75.20	71.77
2023	70.15	70.89	74.21	78.20	80.19	80.42	79.61	78.80	79.04	78.34	76.22	70.21
2024	69.97	66.20	75.55	78.74	83.74	80.00	79.09	79.32	79.16	76.48	73.82	68.23
2025	67.59	70.89	72.82	76.40	80.43	79.10	78.34	78.22	78.08	75.43	71.72	70.50
2026	64.69	64.79	72.01	75.62	83.04	83.78	82.05	80.60	M	M	M	M

Average Daily Temperature (high+low)/2 [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	M	M	82.40	81.45	80.60	82.25	82.05	82.40	82.46	81.44	77.54	76.36
2002	74.75	75.30	78.48	81.80	84.87	81.17	81.78	81.76	80.87	80.54	76.88	73.89
2003	70.34	78.35	81.30	79.94	84.84	84.56	82.49	85.10	85.94	83.60	82.31	77.81
2004	M	80.60	M	M	85.80	86.87	85.16	86.44	85.97	84.26	83.06	80.31
2005	79.41	82.17	84.95	84.68	86.99	84.41	84.61	85.88	85.55	81.05	80.99	79.85
2006	78.65	78.20	83.21	86.36	86.54	85.64	85.59	85.59	86.47	85.13	80.51	79.31
2007	79.90	78.87	82.01	83.66	86.49	84.98	86.28	84.17	83.51	81.41	79.22	79.85
2008	78.22	81.84	82.98	84.44	87.83	83.99	84.52	86.52	85.07	80.40	77.53	78.39
2009	78.23	79.41	82.31	85.34	87.71	86.93	87.02	85.84	85.88	84.32	79.19	78.80
2010	75.29	75.59	79.00	83.63	86.55	87.56	83.45	85.10	84.39	81.65	80.72	75.29
2011	77.71	80.71	82.36	88.96	88.31	86.54	83.80	86.81	85.07	79.70	79.10	77.56
2012	76.77	79.33	83.54	82.37	83.65	83.27	83.39	83.53	84.17	81.62	78.47	79.50
2013	81.09	82.95	80.45	84.80	86.00	83.81	82.52	84.61	82.28	83.76	81.47	80.72
2014	76.65	81.95	84.58	87.38	86.12	85.70	86.99	86.87	84.32	83.04	79.16	79.35
2015	79.26	80.21	86.32	88.67	89.40	85.85	88.47	87.48	86.39	83.79	82.58	82.02
2016	77.23	78.80	84.90	86.81	90.04	87.14	87.13	86.15	86.54	84.32	85.16	83.82
2017	80.63	83.04	83.47	84.50	86.70	85.43	85.45	85.07	84.47	80.83	79.19	77.58
2018	73.75	81.76	82.81	82.58	82.89	83.30	84.49	83.76	84.35	83.97	82.34	78.77
2019	75.87	81.95	83.85	85.97	88.87	89.12	88.09	87.13	86.06	84.81	81.53	78.68
2020	77.64	80.69	85.01	88.20	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	90.64	83.50	82.40	83.76	83.18	81.95	80.99	81.32	78.54
2023	78.63	78.48	82.23	85.91	87.92	87.62	86.55	85.56	85.67	84.37	81.65	75.11
2024	76.91	75.29	84.35	86.84	91.57	86.18	85.22	85.62	84.83	81.01	79.58	74.82
2025	74.82	78.74	81.30	83.78	87.60	85.73	85.10	85.42	84.26	81.38	77.78	77.29
2026	73.86	74.49	80.28	83.15	89.60	89.48	89.69	89.09	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
2001	M	M	M	65.3%	70.5%	78.5%	79.4%	80.8%	79.3%	79.8%	73.7%	75.0%
2002	72.1%	73.0%	67.9%	64.5%	67.1%	77.3%	77.1%	76.1%	82.2%	79.2%	74.8%	77.0%
2003	70.0%	70.3%	65.4%	65.5%	66.0%	70.2%	77.2%	74.2%	74.0%	73.8%	70.3%	62.8%
2004	M	M	M	M	68.3%	71.2%	72.5%	72.9%	74.2%	74.4%	66.9%	64.8%
2005	62.1%	56.9%	56.2%	58.9%	64.1%	74.5%	74.8%	73.7%	73.1%	74.2%	68.8%	68.3%
2006	68.8%	61.7%	61.6%	58.9%	61.5%	70.1%	73.1%	74.5%	72.4%	73.6%	69.3%	75.2%
2007	71.4%	74.8%	65.8%	68.2%	68.1%	80.4%	78.6%	86.6%	86.2%	87.4%	78.9%	77.6%
2008	75.3%	70.1%	51.2%	36.3%	54.0%	76.2%	76.2%	75.4%	78.1%	80.4%	70.0%	69.1%
2009	70.0%	59.7%	54.7%	59.8%	63.3%	68.3%	70.9%	78.4%	82.7%	79.6%	80.0%	82.7%
2010	74.7%	74.3%	62.8%	74.4%	74.6%	79.1%	87.5%	84.4%	85.4%	74.0%	66.6%	63.1%
2011	71.6%	70.5%	63.4%	64.4%	62.9%	78.0%	85.7%	84.9%	75.2%	71.1%	71.3%	72.3%
2012	73.3%	75.1%	57.5%	67.9%	76.1%	80.4%	80.5%	79.9%	81.4%	81.3%	67.1%	70.1%
2013	75.2%	72.0%	66.9%	76.7%	74.0%	79.9%	81.4%	78.2%	82.0%	78.2%	79.6%	76.0%
2014	76.2%	73.5%	66.7%	59.4%	69.3%	76.9%	76.0%	77.2%	82.3%	80.0%	72.1%	73.1%
2015	70.4%	63.3%	58.3%	62.5%	60.7%	75.1%	72.8%	75.0%	78.5%	79.3%	80.8%	81.6%
2016	77.3%	64.4%	66.0%	65.4%	60.8%	74.2%	76.6%	79.7%	68.4%	66.6%	61.4%	66.5%
2017	69.2%	67.9%	62.9%	71.3%	73.2%	82.8%	82.1%	83.7%	83.3%	80.1%	75.6%	70.6%
2018	59.1%	71.8%	68.5%	73.4%	80.5%	78.0%	77.8%	78.9%	77.0%	72.9%	71.1%	70.9%
2019	73.4%	66.9%	61.0%	62.9%	65.2%	68.1%	69.0%	72.2%	71.6%	71.3%	70.5%	69.2%
2020	69.8%	63.4%	55.9%	62.1%	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	58.6%	76.5%	83.8%	82.9%	84.4%	86.4%	84.1%	84.2%	82.9%
2023	75.7%	72.9%	67.5%	63.4%	62.7%	70.3%	76.6%	81.1%	79.9%	75.6%	71.7%	76.9%
2024	80.5%	72.7%	70.1%	62.7%	61.0%	78.9%	82.6%	84.8%	87.0%	87.6%	85.7%	85.7%
2025	85.6%	79.9%	73.2%	64.9%	72.4%	78.2%	82.8%	84.0%	84.8%	85.9%	84.9%	84.6%
2026	73.6%	74.0%	75.5%	76.0%	63.9%	64.7%	66.5%	68.3%	M	M	M	M