View Monthly Charts

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 (USC00311606) 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
2008	M	M	M	M	0.00	2.88	5.15	1.20	2.50	2.55	5.34	2.81
2009	1.74	2.51	1.93	2.74	0.55	M	0.00	4.34	3.49	2.27	4.92	4.88
2010	5.83	2.73	3.97	1.62	0.95	3.41	4.00	2.58	10.77	1.45	0.01	M
2011	M	M	M	M	M	1.86	2.19	1.42	5.31	3.72	2.23	0.88
2012	2.28	1.69	3.53	3.06	2.92	1.17	8.00	9.64	3.04	3.89	0.68	5.35
2013	1.76	4.50	2.06	3.85	1.58	6.87	2.15	6.15	2.08	4.88	1.35	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	0.00	0.00	0.00	0.00	0.00
2018	0.00	M	M	M	M	M	M	M	M	M	0.00	0.00
2019	0.00	1.58	2.49	4.06	1.86	1.56	2.52	11.99	5.13	1.98	3.10	2.06
2020	1.33	5.86	3.52	3.31	7.42	3.54	3.52	8.37	3.79	2.05	2.43	0.56
2021	5.30	6.74	1.91	0.53	0.68	0.18	4.23	12.51	2.50	2.23	0.02	1.84
2022	3.85	0.68	0.98	1.07	1.45	1.63	5.05	1.17	4.49	0.44	2.70	2.71
2023	2.82	2.48	2.04	2.33	4.47	4.25	6.42	8.82	3.61	0.78	2.01	4.14
2024	0.69	1.58	7.70	1.96	4.90	1.78	7.35	0.09	3.95	0.06	0.01	M
NCEI Climatology	4.59	3.79	3.94	3.63	4.32	4.37	6.70	7.98	7.12	4.45	4.12	4.56

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2008	M	M	M	M	M	9.7	9.4	7.7	10.2	10.8	10.3	9.6
2009	10.8	11.0	11.9	12.0	14.6	M	M	6.7	10.5	10.2	10.5	11.2
2010	11.6	11.9	11.3	10.3	10.7	9.7	10.1	8.4	9.3	9.9	14.6	M
2011	M	M	M	M	M	8.3	9.2	7.2	7.9	11.2	11.1	9.4
2012	10.2	10.4	10.0	11.5	8.0	9.7	9.3	7.0	7.7	9.9	10.7	9.9
2013	9.0	10.3	11.3	11.4	10.7	11.8	8.6	8.6	9.3	9.3	11.5	9.3
2014	11.0	11.6	12.9	13.2	10.7	10.0	9.8	8.7	9.5	9.0	10.1	9.3
2015	5.8	0.0	5.7	10.8	10.3	9.0	9.2	7.8	10.6	11.7	9.7	9.2
2016	11.4	12.3	4.6	12.7	9.4	9.3	8.2	9.4	6.2	10.2	9.3	10.1
2017	9.8	9.5	11.6	11.7	10.6	9.2	10.0	8.4	9.9	9.9	8.8	10.1
2018	13.3	M	M	M	M	M	M	M	M	11.6	12.6	9.8
2019	10.4	9.8	10.9	12.2	10.0	9.4	9.7	8.0	10.6	10.6	11.3	10.8
2020	10.8	12.2	12.2	12.6	11.7	9.2	8.6	7.7	7.3	9.5	6.1	0.6
2021	9.3	11.5	12.0	11.5	11.4	9.8	8.8	7.0	6.8	9.6	10.9	9.5
2022	12.3	11.2	12.0	12.5	12.7	9.7	9.0	7.7	9.2	9.8	10.7	11.3
2023	9.1	11.2	12.5	11.2	13.0	10.0	8.0	9.2	10.2	9.2	10.3	9.1
2024	10.7	11.6	12.2	12.0	9.8	9.8	10.0	10.0	11.4	9.7	8.1	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
2008	M	M	M	M	78.10	88.83	88.40	87.28	82.44	71.96	61.19	60.91
2009	52.77	56.85	60.58	73.40	80.15	M	74.00	88.28	79.94	73.34	65.96	57.94
2010	51.86	51.45	63.88	74.66	81.13	91.24	90.48	89.75	85.85	77.09	64.35	M
2011	M	M	M	M	M	87.95	90.09	90.20	82.57	73.05	67.80	62.84
2012	60.44	60.62	71.31	70.72	80.40	83.69	90.90	86.50	81.80	73.84	58.99	62.17
2013	58.15	55.31	56.87	68.93	78.10	84.12	87.80	85.30	80.33	73.30	62.61	61.83
2014	52.94	56.48	60.49	73.27	81.55	85.48	86.29	85.95	82.22	77.38	63.58	58.71
2015	58.04	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	57.02	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	M	M
2018	M	M	M	M	M	M	M	M	M	31.97	54.95	54.12
2019	49.26	58.03	58.70	73.21	83.03	84.31	88.38	86.24	82.96	77.21	62.37	64.37
2020	70.72	63.66	67.35	71.07	76.43	83.86	92.42	89.70	84.14	74.81	69.07	64.45
2021	52.64	54.03	64.72	72.22	78.58	85.09	88.45	90.23	84.56	78.38	66.19	68.56
2022	55.03	61.26	70.15	73.85	82.03	89.77	92.80	91.95	87.68	75.31	72.35	62.30
2023	65.93	66.92	68.47	80.11	79.51	87.78	94.62	93.94	88.23	79.13	68.70	64.53
2024	64.13	63.31	71.65	77.23	85.50	91.90	93.52	90.00	84.00	76.00	76.20	M
NCEI Climatology	61.49	63.28	69.09	77.10	83.60	89.91	92.89	91.19	86.49	79.30	70.39	63.91

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2008	M	M	M	M	62.47	73.38	74.49	73.99	72.45	58.33	47.49	46.16
2009	37.22	38.44	46.23	55.36	67.56	M	73.00	75.66	70.58	61.02	55.28	44.11
2010	35.06	37.64	46.76	57.79	67.79	76.48	75.35	77.12	72.68	60.99	56.65	M
2011	M	M	M	M	M	73.68	76.74	76.44	71.87	59.22	55.94	48.63
2012	44.46	46.17	56.20	57.24	68.20	71.40	77.36	75.91	71.77	62.09	47.25	47.93
2013	43.18	41.65	43.65	57.17	64.21	73.11	76.49	74.44	69.40	62.67	48.22	45.48
2014	34.80	39.94	43.66	56.40	66.87	71.58	74.94	74.90	73.17	62.48	48.09	45.83
2015	45.32	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	55.04	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	M	M
2018	M	M	M	M	M	M	M	M	M	29.70	52.00	42.26
2019	40.72	46.67	46.96	57.96	68.12	71.98	76.10	75.23	73.03	65.56	48.53	47.76
2020	48.18	47.24	52.71	55.29	62.74	73.79	78.95	78.02	74.55	63.89	56.84	50.95
2021	38.05	41.01	49.11	54.42	62.84	73.02	74.75	77.46	72.77	65.35	50.35	51.92
2022	39.13	47.62	54.22	59.39	68.74	76.55	81.22	80.08	77.74	63.95	59.90	47.09
2023	48.99	54.07	59.14	64.22	67.54	73.83	81.59	80.48	75.27	65.39	56.11	50.13
2024	51.53	49.62	55.94	61.57	72.11	77.33	81.35	81.22	80.29	67.00	65.00	M
NCEI Climatology	37.89	39.38	45.41	54.11	61.80	69.30	72.80	72.10	68.70	58.52	48.01	41.01

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2008	M	M	M	M	70.29	81.11	81.45	80.64	77.44	65.15	54.34	53.54
2009	45.00	47.65	53.40	64.38	73.86	M	73.50	81.97	75.26	67.18	60.62	51.03
2010	43.46	44.54	55.32	66.22	74.46	83.86	82.91	83.43	79.26	69.04	60.50	M
2011	M	M	M	M	M	80.82	83.42	83.32	77.22	66.14	61.87	55.73
2012	52.45	53.40	63.75	63.98	74.30	77.55	84.13	81.21	76.78	67.96	53.12	55.05
2013	50.66	48.48	50.26	63.05	71.15	78.61	82.15	79.87	74.87	67.98	55.41	53.65
2014	43.87	48.21	52.08	64.83	74.21	78.53	80.62	80.43	77.70	69.93	55.83	52.27
2015	51.68	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	56.03	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	M	M
2018	M	M	M	M	M	M	M	M	M	30.83	53.48	48.19
2019	44.99	52.35	52.83	65.59	75.57	78.15	82.24	80.74	77.99	71.39	55.45	56.06
2020	59.45	55.45	60.03	63.18	69.58	78.83	85.69	83.86	79.34	69.35	62.96	57.70
2021	45.35	47.52	56.92	63.32	70.71	79.05	81.60	83.85	78.66	71.87	58.27	60.24
2022	47.08	54.44	62.19	66.62	75.38	83.16	87.01	86.01	82.71	69.63	66.13	54.70
2023	57.46	60.50	63.81	72.17	73.53	80.81	88.11	87.21	81.75	72.26	62.41	57.33
2024	57.83	56.47	63.79	69.40	78.80	84.62	87.44	85.61	82.14	71.50	70.60	M
NCEI Climatology	49.69	51.33	57.25	65.61	72.70	79.60	82.85	81.65	77.60	68.91	59.20	52.46

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
2008	M	M	M	M	M	68.5%	72.3%	69.9%	69.3%	65.3%	64.6%	70.6%
2009	65.1%	57.9%	65.1%	62.4%	66.6%	M	M	76.3%	75.4%	75.2%	78.8%	72.4%
2010	65.9%	62.0%	66.1%	70.5%	84.8%	92.0%	71.8%	71.9%	68.3%	68.9%	69.8%	M
2011	M	M	M	M	M	67.9%	69.0%	66.8%	81.9%	68.3%	74.3%	69.1%
2012	61.7%	67.0%	70.2%	62.5%	68.1%	66.2%	75.0%	78.0%	71.9%	73.9%	73.4%	76.4%
2013	73.9%	70.7%	62.9%	75.3%	72.2%	79.0%	78.0%	78.4%	75.4%	78.4%	69.3%	77.5%
2014	68.3%	77.0%	73.1%	72.3%	70.5%	77.0%	79.5%	80.3%	77.0%	65.4%	65.7%	72.2%
2015	65.3%	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	M	M
2018	M	M	M	M	M	M	M	M	M	57.9%	71.2%	80.8%
2019	72.0%	78.3%	71.2%	71.0%	72.0%	71.8%	74.2%	78.0%	76.3%	73.3%	71.6%	68.0%
2020	50.4%	66.4%	70.5%	65.3%	69.1%	71.2%	72.6%	75.9%	77.0%	80.7%	82.0%	82.3%
2021	77.0%	81.5%	72.4%	63.8%	67.9%	77.0%	74.9%	78.7%	70.0%	72.7%	65.4%	73.5%
2022	67.0%	72.8%	66.8%	59.4%	71.9%	60.4%	69.8%	66.0%	60.9%	65.0%	63.9%	61.1%
2023	65.1%	66.0%	69.3%	60.6%	61.9%	65.8%	68.4%	66.0%	68.2%	66.2%	64.7%	65.7%
2024	66.9%	62.9%	64.4%	61.3%	70.7%	64.1%	73.3%	72.6%	80.1%	67.2%	84.4%	M

Monthly Plots

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