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 (USW00012842) 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
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	0.21	0.00	0.27	1.35	4.67	5.47	3.06	0.02	0.99	1.83	2.17
2007	1.20	1.18	0.48	0.60	0.21	4.38	6.68	5.98	3.14	3.14	0.01	0.87
2008	2.25	2.28	3.12	3.00	0.40	2.79	4.89	4.78	1.42	2.76	0.33	0.54
2009	1.25	0.49	0.96	1.20	8.27	7.00	8.26	3.28	4.72	1.48	1.91	1.30
2010	2.16	1.72	5.22	2.54	0.80	4.56	6.98	4.24	3.26	0.00	0.74	0.29
2011	3.27	0.56	5.45	1.96	0.48	3.70	8.16	8.86	6.18	2.46	0.62	0.32
2012	0.94	0.33	0.92	1.75	0.86	4.46	3.47	9.03	6.88	2.77	0.08	1.80
2013	0.53	0.94	1.23	6.73	1.29	10.29	8.03	7.95	4.22	1.64	1.54	0.80
2014	2.69	1.52	5.44	0.94	4.24	4.43	3.46	M	M	M	3.88	0.97
2015	1.13	5.57	0.65	1.97	4.48	11.89	9.30	17.00	7.38	2.13	1.17	0.38
2016	6.80	1.92	2.03	1.84	2.27	10.16	2.47	6.25	3.38	1.29	0.01	0.17
2017	0.57	1.83	0.89	0.59	2.67	8.35	7.92	9.20	5.65	2.06	0.05	0.42
2018	2.61	1.60	0.25	1.74	6.04	4.47	4.28	7.85	3.36	1.15	0.51	5.81
2019	3.68	1.75	1.15	1.48	1.89	9.54	10.35	6.60	1.38	5.49	0.70	3.95
2020	0.71	1.85	0.29	5.46	1.73	5.50	4.47	6.27	5.09	1.84	2.57	2.31
2021	0.33	3.12	0.61	1.26	0.51	8.27	7.52	6.09	8.90	1.93	2.92	0.58
2022	0.89	0.53	1.49	5.15	3.44	4.17	M	M	M	M	M	0.26
2023	0.66	0.11	0.10	0.34	3.64	2.64	2.22	2.58	2.78	0.05	0.69	2.74
2024	1.00	2.44	1.88	1.56	0.18	7.59	5.65	4.29	6.50	0.21	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	2.65	2.70	2.52	2.55	2.60	7.37	7.75	9.03	6.09	2.34	1.40	2.56

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	7.5	6.7	7.1	5.1	6.4	5.1	2.5	0.0	0.0	6.5	7.2
2007	6.7	6.0	8.0	7.5	8.4	5.8	4.2	4.8	6.7	8.5	6.3	5.4
2008	7.0	6.0	7.7	4.1	7.0	4.9	4.3	5.8	7.5	8.1	6.2	5.7
2009	5.4	6.3	7.2	8.1	6.3	4.8	4.6	4.5	5.0	5.4	6.2	7.3
2010	6.0	6.1	6.5	7.1	6.4	5.7	5.3	5.8	6.3	5.1	7.0	6.4
2011	6.3	6.2	7.8	6.8	6.7	6.3	4.9	4.8	3.8	1.2	7.7	6.8
2012	4.7	6.5	7.6	6.5	6.7	8.0	4.8	6.3	5.8	6.8	5.7	5.7
2013	6.2	6.2	6.3	7.2	6.4	6.1	6.0	5.0	6.3	5.8	9.1	6.4
2014	6.5	4.7	6.1	6.6	6.7	5.4	4.6	M	M	M	6.5	5.1
2015	6.4	6.7	5.7	5.4	6.3	4.6	4.7	4.5	5.2	6.3	7.4	7.1
2016	6.1	6.3	6.7	6.9	5.7	5.5	4.3	6.2	5.9	8.2	6.0	6.1
2017	6.6	5.5	7.0	7.6	7.2	5.7	4.7	4.7	5.8	8.8	6.7	4.9
2018	7.4	5.8	7.0	6.9	7.4	3.2	4.8	4.6	5.0	7.0	5.4	6.1
2019	6.4	5.7	6.1	7.1	6.7	6.1	4.6	5.1	7.3	7.1	5.6	6.7
2020	6.2	6.9	5.9	7.5	7.0	5.2	5.9	5.2	6.6	7.5	8.9	5.6
2021	5.2	6.4	6.9	6.7	7.8	6.3	5.4	5.7	4.4	5.7	6.3	4.7
2022	6.5	5.9	7.8	7.5	4.7	5.7	M	M	M	M	M	6.6
2023	5.0	6.2	7.4	8.1	6.8	6.7	4.4	5.5	5.4	7.4	7.1	6.9
2024	7.0	6.3	6.6	7.3	6.2	6.4	4.0	6.4	5.6	0.4	0.0	0.0
2025	0.0	0.0	0.0	0.0	0.0	0.0	0.0	M	M	M	M	M
NCEI Climatology	M	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
2005	M	M	M	M	M	M	M	M	M	M	69.80	M
2006	M	72.11	77.93	84.62	86.81	86.43	90.88	92.44	87.80	82.97	75.98	76.25
2007	74.04	70.29	79.85	82.40	87.74	89.12	90.70	91.98	89.90	86.87	78.02	77.41
2008	71.54	75.63	77.23	83.17	86.40	90.58	88.67	88.55	89.78	83.10	73.34	74.21
2009	70.21	71.86	80.54	84.32	89.83	92.00	91.75	92.91	90.86	85.94	76.64	70.44
2010	62.95	63.54	68.37	81.08	88.61	93.07	90.30	88.94	91.91	86.35	79.76	60.63
2011	68.06	74.30	77.98	85.22	87.80	91.46	89.83	89.95	88.33	80.48	77.84	75.72
2012	71.89	75.39	83.33	82.46	88.03	86.48	89.02	88.73	87.32	82.81	74.72	73.98
2013	75.26	73.46	69.97	84.02	84.20	87.62	88.44	90.30	88.40	84.66	78.02	76.42
2014	65.10	72.95	74.04	82.94	89.25	92.12	91.12	M	M	M	76.10	74.33
2015	72.59	70.57	83.27	87.80	91.75	92.30	90.32	92.21	91.04	87.34	85.40	83.21
2016	70.15	72.97	82.11	85.28	89.19	91.82	95.06	92.79	92.36	87.80	81.98	81.01
2017	77.00	80.15	81.30	87.80	90.94	90.68	92.74	93.49	90.68	83.79	79.49	74.21
2018	67.48	80.34	74.27	81.74	85.42	88.16	88.90	90.12	90.08	87.16	77.96	71.89
2019	70.50	79.51	78.16	84.56	90.94	91.16	90.41	90.24	92.42	88.44	77.42	75.20
2020	72.34	75.94	84.49	84.38	87.45	90.14	93.49	92.74	90.56	88.67	82.22	71.25
2021	70.55	77.32	80.48	83.77	90.30	91.16	91.63	92.15	89.84	87.97	76.70	79.79
2022	71.54	78.35	82.40	86.00	87.80	M	M	M	M	M	M	M
2023	M	81.95	82.98	87.08	87.35	90.80	93.20	96.68	94.70	87.97	81.44	75.43
2024	73.17	75.39	82.34	83.60	92.97	93.44	92.68	89.95	83.14	13.40	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	71.30	74.07	77.80	83.01	88.29	90.50	91.00	91.18	90.20	85.60	78.91	73.90

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	M	M	69.80	M
2006	M	57.71	58.19	65.66	69.63	75.01	75.78	77.19	77.00	64.97	58.34	59.87
2007	56.39	52.06	59.12	63.75	68.00	73.34	76.48	77.12	74.48	72.01	59.06	59.64
2008	52.44	56.70	58.42	66.46	70.53	74.37	74.91	76.65	73.76	62.08	50.42	55.98
2009	50.52	50.00	59.29	65.72	72.70	77.96	78.97	78.97	76.52	69.51	60.44	55.28
2010	45.30	48.03	52.79	62.90	72.24	75.60	76.71	76.28	76.49	67.30	60.38	35.00
2011	50.12	56.04	57.42	66.32	69.51	73.94	75.66	76.88	73.33	64.34	59.90	56.62
2012	51.16	58.07	62.60	63.62	70.85	72.44	74.91	75.20	72.98	67.54	55.82	54.76
2013	58.26	55.34	50.64	64.88	67.48	74.18	73.52	74.74	72.56	67.48	60.74	58.30
2014	48.26	55.85	56.97	65.66	70.96	76.70	77.00	M	M	M	57.96	58.36
2015	55.57	52.89	66.08	71.90	72.12	76.52	78.68	77.52	77.36	71.19	69.44	66.90
2016	54.18	54.47	64.52	67.10	71.66	77.72	78.63	78.80	77.84	69.96	62.66	62.37
2017	59.58	60.22	61.09	67.76	72.88	76.88	78.45	79.44	76.46	67.71	62.67	58.19
2018	48.03	64.98	56.33	65.00	70.73	76.46	76.42	76.71	77.30	71.37	62.48	58.36
2019	52.67	64.46	60.74	66.74	73.98	78.20	77.75	79.32	76.82	75.55	61.52	60.86
2020	57.45	59.74	66.20	69.20	71.25	77.72	78.57	77.17	75.92	73.17	65.96	51.92
2021	54.06	58.29	61.61	64.71	70.55	74.96	76.42	77.41	74.84	71.25	58.82	62.77
2022	53.19	56.88	62.83	67.14	66.80	M	M	M	M	M	M	M
2023	M	64.40	63.18	67.88	69.05	75.02	78.34	80.25	77.12	70.73	64.34	59.06
2024	55.23	56.77	64.63	63.38	74.04	76.10	77.00	75.26	56.58	12.20	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	52.80	55.57	59.30	64.79	70.60	75.40	76.60	76.80	75.29	69.20	60.71	55.90

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	M	M	69.80	M
2006	M	64.91	68.06	75.14	78.22	80.72	83.33	84.82	82.40	73.97	67.16	68.06
2007	65.21	61.17	69.48	73.07	77.87	81.23	83.59	84.55	82.19	79.44	68.54	68.52
2008	61.99	66.17	67.83	74.81	78.47	82.47	81.79	82.60	81.77	72.59	61.88	65.10
2009	60.36	60.93	69.92	75.02	81.27	84.98	85.36	85.94	83.69	77.73	68.54	62.86
2010	54.12	55.79	60.58	71.99	80.43	84.33	83.50	82.61	84.20	76.83	70.07	47.81
2011	59.09	65.17	67.70	75.77	78.65	82.70	82.75	83.42	80.83	72.41	68.87	66.17
2012	61.53	66.73	72.96	73.04	79.44	79.46	81.96	81.96	80.15	75.17	65.27	64.37
2013	66.76	64.40	60.31	74.45	75.84	80.90	80.98	82.52	80.48	76.07	69.38	67.36
2014	56.68	64.40	65.50	74.30	80.11	84.41	84.06	M	M	M	67.03	66.35
2015	64.08	61.73	74.68	79.85	81.94	84.41	84.50	84.87	84.20	79.26	77.42	75.05
2016	62.16	63.72	73.31	76.19	80.43	84.77	86.84	85.80	85.10	78.88	72.32	71.69
2017	68.29	70.19	71.19	77.78	81.91	83.78	85.59	86.46	83.57	75.75	71.08	66.20
2018	57.75	72.66	65.30	73.37	78.07	82.31	82.66	83.42	83.69	79.26	70.22	65.13
2019	61.58	71.99	69.45	75.65	82.46	84.68	84.08	84.78	84.62	81.99	69.47	68.03
2020	64.90	67.84	75.35	76.79	79.35	83.93	86.03	84.95	83.24	80.92	74.09	61.58
2021	62.31	67.81	71.05	74.24	80.43	83.06	84.03	84.78	82.34	79.61	67.76	71.28
2022	62.37	67.61	72.62	76.57	77.30	M	M	M	M	M	M	M
2023	M	73.18	73.08	77.48	78.20	82.91	85.77	88.47	85.91	79.35	72.89	67.25
2024	64.20	66.08	73.49	73.49	83.50	84.77	84.84	82.60	69.86	12.80	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	62.05	64.82	68.55	73.90	79.45	82.95	83.80	83.99	82.75	77.40	69.81	64.90

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
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	77.5%	65.8%	67.9%	65.9%	72.7%	76.2%	72.1%	81.1%	74.6%	78.8%	82.9%
2007	80.8%	77.9%	70.7%	69.3%	68.2%	81.5%	82.4%	81.3%	83.4%	83.9%	76.5%	83.6%
2008	77.8%	78.7%	75.8%	88.2%	74.6%	77.5%	85.6%	85.6%	80.5%	77.1%	77.5%	81.3%
2009	77.5%	70.6%	69.3%	67.2%	75.6%	76.4%	78.7%	80.7%	80.8%	78.9%	79.4%	82.3%
2010	76.7%	74.7%	72.9%	75.1%	77.3%	75.0%	81.4%	86.0%	75.1%	64.7%	69.9%	60.2%
2011	70.5%	72.5%	64.5%	61.9%	56.2%	61.4%	67.4%	68.6%	67.3%	63.8%	71.3%	72.9%
2012	68.6%	70.9%	65.3%	62.0%	64.5%	72.7%	72.6%	74.6%	73.0%	69.8%	68.7%	73.6%
2013	75.5%	69.9%	61.2%	69.0%	66.7%	75.5%	77.9%	75.7%	76.1%	70.9%	75.1%	75.9%
2014	75.5%	78.9%	72.6%	71.0%	66.7%	68.1%	74.8%	M	M	M	71.4%	79.1%
2015	74.7%	72.4%	73.9%	73.0%	66.0%	74.0%	78.1%	80.3%	79.9%	74.7%	76.8%	80.0%
2016	74.2%	70.0%	73.3%	67.3%	66.9%	77.2%	75.6%	80.9%	79.9%	70.6%	69.1%	76.8%
2017	79.3%	75.3%	67.4%	63.5%	68.9%	83.1%	82.2%	83.8%	81.7%	78.1%	79.8%	82.3%
2018	74.1%	81.5%	65.9%	72.4%	78.6%	79.4%	82.2%	79.8%	79.3%	74.6%	77.6%	80.5%
2019	75.7%	83.6%	74.3%	72.1%	72.2%	79.4%	84.5%	86.6%	76.2%	81.8%	80.7%	82.9%
2020	75.4%	84.1%	77.5%	80.6%	78.8%	53.2%	84.9%	83.8%	76.2%	73.8%	72.5%	69.6%
2021	72.2%	74.2%	72.6%	69.7%	63.9%	76.3%	78.2%	78.8%	79.2%	75.4%	75.0%	84.3%
2022	73.6%	71.6%	57.2%	60.0%	80.9%	M	M	M	M	M	M	M
2023	M	77.4%	71.7%	71.5%	74.2%	77.0%	77.7%	78.9%	76.4%	72.8%	73.6%	78.0%
2024	78.3%	72.3%	73.9%	57.5%	60.5%	66.7%	72.3%	75.9%	83.8%	80.8%	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M