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
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
2004	M	M	M	M	M	M	14.7	11.2	13.8	8.4	11.5	11.2
2005	10.8	15.4	9.6	12.7	7.8	12.1	10.9	12.1	10.9	12.9	13.8	13.1
2006	14.3	12.7	10.6	11.5	11.0	12.8	19.5	11.5	14.3	11.8	10.2	10.1
2007	9.8	12.1	13.7	13.1	9.2	10.1	15.4	13.9	13.2	11.8	11.1	12.3
2008	11.4	10.8	14.9	10.7	10.1	12.6	15.3	15.6	11.2	13.3	8.9	13.3
2009	12.2	13.0	10.5	9.9	10.2	11.1	14.5	17.0	13.2	10.2	10.7	9.8
2010	14.6	12.2	11.1	11.7	7.1	9.8	14.0	12.3	10.6	11.5	9.6	12.2
2011	10.3	11.6	12.9	14.0	10.8	10.3	10.6	16.4	13.6	12.2	14.4	9.6
2012	12.7	13.5	11.9	12.2	8.5	12.7	14.8	15.9	11.4	9.6	13.1	10.9
2013	11.9	11.4	13.3	12.0	8.7	11.1	15.7	13.6	8.7	9.8	9.9	13.8
2014	8.8	10.7	12.0	8.7	9.1	9.6	11.5	11.3	9.9	11.1	11.1	9.5
2015	13.1	16.5	11.9	10.9	9.8	12.5	14.7	12.2	8.7	11.9	9.7	10.9
2016	10.4	11.1	12.2	9.0	8.8	9.6	16.9	14.9	14.0	13.2	12.8	16.1
2017	15.0	14.7	10.8	10.2	10.7	9.2	15.2	17.7	9.7	13.0	10.4	13.3
2018	13.6	11.1	12.6	9.7	11.9	10.0	10.0	13.9	13.9	12.3	14.8	12.6
2019	13.5	16.1	13.4	11.5	8.3	12.8	12.5	16.1	13.7	10.4	8.9	12.6
2020	17.5	13.4	13.7	14.0	10.2	10.0	14.2	12.7	12.8	9.7	15.8	12.2
2021	12.7	13.7	14.0	13.0	9.9	9.2	15.0	11.6	13.2	13.9	13.5	12.6
2022	12.7	14.1	14.7	11.5	10.5	13.0	16.6	10.3	11.5	15.4	12.6	11.1
2023	11.5	15.5	12.0	10.5	11.6	10.2	13.0	10.9	13.8	10.6	11.3	10.5
2024	15.5	13.5	10.9	13.7	10.6	12.5	14.5	12.3	10.4	14.3	13.7	12.5
2025	10.2	13.9	14.2	11.0	11.7	14.9	12.0	14.1	14.4	9.3	10.3	12.3
2026	14.2	13.7	13.9	11.9	10.6	13.2	13.4	14.3	14.0	11.7	9.8	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	83.73	85.42	79.22	75.49	66.20	60.62
2005	57.72	54.05	60.51	64.70	74.27	79.82	85.48	86.00	80.36	70.15	62.10	60.12
2006	52.08	56.37	59.56	66.26	73.57	81.20	81.38	87.92	78.55	71.37	62.42	58.77
2007	59.87	57.01	61.32	66.68	74.10	85.58	88.61	87.32	80.72	73.69	65.12	57.78
2008	56.33	56.82	63.98	67.58	75.26	84.02	86.35	86.75	79.34	73.17	68.60	60.39
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	84.20	M	M	71.60	62.31
2011	58.10	M	M	60.80	71.60	81.50	81.50	82.58	82.52	69.28	60.50	60.57
2012	53.25	55.65	60.63	68.54	74.91	84.08	89.66	88.61	82.04	77.87	68.18	59.64
2013	57.90	60.03	62.02	67.70	77.35	82.40	84.55	86.17	82.22	73.17	67.88	58.54
2014	61.21	60.41	62.14	67.46	73.34	82.52	85.71	88.44	81.32	72.59	66.02	63.24
2015	57.32	56.36	59.23	65.60	75.26	79.46	85.88	86.99	83.54	73.92	68.18	59.70
2016	57.43	63.34	62.60	71.54	74.10	85.04	85.30	83.39	78.92	72.30	65.72	53.48
2017	52.96	57.84	61.15	65.12	73.17	82.46	84.78	82.69	80.60	71.08	66.20	61.03
2018	58.19	60.22	64.46	71.54	77.00	81.86	86.81	83.27	79.76	71.37	65.72	57.49
2019	56.62	57.33	61.44	65.06	72.88	81.80	84.32	83.74	77.72	74.74	71.24	61.61
2020	55.81	59.06	61.96	64.58	76.19	80.30	83.56	85.13	81.32	76.65	64.94	63.06
2021	60.45	60.29	59.99	66.86	76.88	81.62	86.17	88.32	79.94	70.73	66.68	58.19
2022	54.24	58.16	55.23	67.40	74.91	80.90	83.04	84.03	80.36	73.23	66.92	64.28
2023	60.51	55.59	61.15	65.30	71.02	80.06	89.02	86.29	81.56	75.90	71.06	64.17
2024	59.17	62.04	65.10	70.94	75.08	86.54	86.81	87.05	82.46	74.21	65.36	61.03
2025	62.31	54.82	64.63	65.72	74.97	82.40	87.80	84.55	79.52	72.53	70.16	62.54
2026	60.63	61.38	59.93	67.28	73.34	80.66	85.83	85.42	79.46	70.55	69.80	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	72.36	73.11	68.66	64.98	58.58	53.84
2005	50.87	48.78	53.31	54.86	61.26	67.70	73.57	74.39	69.32	61.21	55.96	53.48
2006	46.75	49.31	52.23	57.26	64.63	72.02	71.06	74.85	69.55	63.24	54.92	51.05
2007	50.70	49.74	53.72	56.78	65.39	76.10	76.54	75.74	69.98	63.35	57.86	51.34
2008	48.03	50.19	58.68	59.00	65.27	71.96	72.30	74.27	69.02	64.52	59.78	54.12
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	84.20	M	M	71.60	55.46
2011	49.87	M	M	60.80	66.20	81.05	78.80	71.96	71.00	60.28	53.66	52.96
2012	45.94	47.14	50.41	57.56	62.66	70.46	76.01	76.71	70.34	67.42	61.40	53.66
2013	51.97	52.51	54.47	55.58	64.57	70.88	74.45	74.27	69.14	61.38	58.70	50.64
2014	52.32	52.06	51.97	55.52	60.68	68.24	72.53	74.85	69.56	63.01	56.96	53.25
2015	48.95	49.36	51.86	56.18	66.20	71.72	75.26	77.93	73.82	65.68	59.60	52.67
2016	50.00	54.66	54.06	61.46	64.92	73.40	77.06	73.57	70.58	67.07	60.32	49.07
2017	47.79	52.38	54.88	56.12	64.17	69.26	74.39	74.10	69.86	62.83	57.56	53.08
2018	49.19	51.16	54.30	57.08	65.68	70.28	74.85	75.08	70.22	62.77	59.06	49.83
2019	47.10	49.10	51.80	54.74	59.75	71.72	73.40	74.85	68.54	64.63	61.16	52.79
2020	48.14	49.01	51.86	53.84	61.26	67.34	72.65	73.34	71.30	65.74	57.38	54.76
2021	51.68	49.74	49.54	55.04	62.19	68.66	75.14	75.49	69.68	61.96	58.88	53.48
2022	48.66	49.42	45.41	54.98	60.86	70.16	72.65	73.28	69.62	63.30	58.04	54.65
2023	51.28	49.04	54.76	57.08	60.92	68.42	76.71	75.66	71.90	66.37	61.34	55.34
2024	51.86	52.73	52.09	59.72	61.96	72.20	76.01	75.55	71.30	66.03	56.66	53.08
2025	52.90	46.85	54.12	53.36	61.26	69.80	73.63	73.75	70.04	62.25	59.84	53.14
2026	51.51	52.51	51.51	55.16	60.28	69.62	73.34	73.52	69.26	59.87	61.25	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	78.04	79.26	73.94	70.24	62.39	57.23
2005	54.30	51.41	56.91	59.78	67.77	73.76	79.53	80.19	74.84	65.68	59.03	56.80
2006	49.41	52.84	55.90	61.76	69.10	76.61	76.22	81.38	74.05	67.30	58.67	54.91
2007	55.28	53.37	57.52	61.73	69.74	80.84	82.57	81.53	75.35	68.52	61.49	54.56
2008	52.18	53.51	61.33	63.29	70.26	77.99	79.32	80.51	74.18	68.84	64.19	57.26
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	84.20	M	M	71.60	58.88
2011	53.99	M	M	60.80	68.90	81.28	80.15	77.27	76.76	64.78	57.08	56.76
2012	49.59	51.40	55.52	63.05	68.78	77.27	82.84	82.66	76.19	72.65	64.79	56.65
2013	54.94	56.27	58.25	61.64	70.96	76.64	79.50	80.22	75.68	67.27	63.29	54.59
2014	56.76	56.24	57.05	61.49	67.01	75.38	79.12	81.65	75.44	67.80	61.49	58.25
2015	53.14	52.86	55.55	60.89	70.73	75.59	80.57	82.46	78.68	69.80	63.89	56.18
2016	53.72	59.00	58.33	66.50	69.51	79.22	81.18	78.48	74.75	69.68	63.02	51.28
2017	50.38	55.11	58.01	60.62	68.67	75.86	79.58	78.39	75.23	66.95	61.88	57.05
2018	53.69	55.69	59.38	64.31	71.34	76.07	80.83	79.18	74.99	67.07	62.39	53.66
2019	51.86	53.21	56.62	59.90	66.32	76.76	78.86	79.29	73.13	69.68	66.20	57.20
2020	51.97	54.03	56.91	59.21	68.73	73.82	78.10	79.24	76.31	71.19	61.16	58.91
2021	56.07	55.01	54.76	60.95	69.54	75.14	80.66	81.91	74.81	66.35	62.78	55.84
2022	51.45	53.79	50.32	61.19	67.88	75.53	77.84	78.65	74.99	68.26	62.48	59.46
2023	55.89	52.31	57.95	61.19	65.97	74.24	82.86	80.98	76.73	71.14	66.20	59.75
2024	55.52	57.39	58.59	65.33	68.52	79.37	81.41	81.30	76.88	70.12	61.01	57.05
2025	57.61	50.84	59.38	59.54	68.12	76.10	80.72	79.15	74.78	67.39	65.00	57.84
2026	56.07	56.94	55.72	61.22	66.81	75.14	79.58	79.47	74.36	65.21	65.52	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
2004	M	M	M	M	M	M	60.9%	61.1%	71.4%	69.5%	68.4%	73.1%
2005	70.7%	67.6%	67.1%	61.2%	66.4%	58.6%	63.3%	65.0%	66.0%	65.5%	72.5%	72.4%
2006	70.8%	76.6%	72.5%	67.6%	62.4%	54.8%	60.1%	58.6%	63.8%	76.2%	74.5%	68.6%
2007	69.7%	70.4%	67.3%	57.5%	63.2%	52.3%	49.9%	57.0%	57.8%	69.4%	71.9%	72.6%
2008	68.0%	75.5%	69.7%	69.2%	57.4%	54.6%	52.3%	57.3%	63.5%	66.2%	71.1%	69.9%
2009	74.3%	71.0%	65.3%	65.2%	58.3%	55.2%	54.3%	57.0%	63.9%	68.9%	72.8%	72.7%
2010	67.5%	71.9%	67.3%	60.1%	56.4%	60.7%	62.4%	63.3%	60.4%	65.3%	73.3%	72.2%
2011	70.5%	74.3%	73.0%	72.7%	68.8%	61.8%	58.6%	59.3%	64.3%	70.6%	66.7%	71.2%
2012	70.0%	67.8%	65.6%	65.1%	64.5%	55.7%	51.8%	47.9%	59.2%	65.7%	69.0%	70.8%
2013	67.5%	71.5%	67.6%	61.8%	65.9%	57.7%	52.4%	56.9%	58.4%	64.6%	72.4%	68.7%
2014	78.0%	77.3%	69.5%	73.4%	67.7%	59.2%	61.3%	59.2%	64.1%	67.6%	72.6%	76.8%
2015	74.2%	68.3%	74.2%	62.3%	63.8%	59.6%	56.5%	58.1%	64.9%	71.2%	70.7%	66.3%
2016	72.3%	74.3%	68.2%	60.5%	61.0%	57.1%	55.9%	64.9%	62.0%	63.8%	65.9%	63.9%
2017	68.8%	69.7%	71.1%	61.1%	64.7%	61.5%	57.2%	62.6%	60.0%	63.9%	69.0%	70.1%
2018	70.8%	73.7%	70.9%	61.4%	64.0%	62.8%	60.3%	66.5%	65.8%	71.8%	73.5%	71.1%
2019	71.5%	72.1%	70.5%	69.5%	67.4%	65.7%	60.0%	62.0%	67.6%	74.3%	78.5%	72.3%
2020	66.8%	70.8%	71.7%	68.3%	60.9%	65.1%	62.1%	60.9%	68.4%	67.9%	68.1%	73.8%
2021	69.2%	74.4%	63.4%	63.8%	58.8%	58.4%	60.5%	58.8%	59.3%	68.4%	73.4%	74.3%
2022	73.6%	70.6%	62.3%	65.0%	61.3%	62.0%	57.7%	65.5%	63.7%	63.8%	73.3%	77.5%
2023	72.2%	65.1%	68.6%	66.9%	68.1%	63.5%	53.5%	63.6%	63.7%	71.7%	71.4%	75.8%
2024	68.8%	71.0%	69.7%	65.0%	62.0%	52.6%	58.4%	58.6%	59.6%	64.6%	68.8%	73.7%
2025	76.7%	67.1%	66.5%	68.6%	60.5%	55.2%	56.6%	63.1%	63.6%	70.3%	73.4%	70.3%
2026	67.4%	70.1%	67.2%	66.4%	62.6%	63.2%	56.7%	60.3%	60.6%	73.8%	84.9%	M