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 (USW00023154) 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	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	0.00	M	M	M
2011	M	0.00	0.40	0.45	0.59	0.26	0.35	0.00	0.00	29.60	0.00	0.20
2012	0.00	0.00	0.00	0.00	0.00	0.00	49.30	34.90	34.00	4.50	1.70	0.00
2013	M	M	M	M	M	M	M	M	M	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	M	M	M	M	M	M	0.00
2017	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
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
NCEI Climatology	0.75	0.87	0.98	1.07	1.05	0.56	0.63	0.79	0.64	0.80	0.63	0.67

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2008	M	M	M	M	9.2	7.4	6.9	6.7	5.6	5.8	12.8	7.3
2009	4.8	7.1	9.0	9.1	6.4	4.5	6.3	6.5	6.3	7.8	6.3	5.3
2010	5.2	4.6	7.8	8.9	8.9	8.3	6.3	8.7	5.1	6.4	4.5	M
2011	M	9.2	8.4	8.0	8.0	6.8	7.8	6.9	4.5	5.3	7.3	5.3
2012	5.7	6.7	9.6	8.2	8.0	10.0	7.4	5.8	4.5	4.5	6.8	7.8
2013	4.2	6.5	7.0	7.3	7.5	6.5	6.2	6.8	7.4	4.9	3.4	2.9
2014	3.0	6.1	7.3	5.8	6.2	1.4	M	7.1	6.4	4.5	5.4	6.8
2015	2.6	3.6	6.7	7.2	7.8	5.4	6.1	7.0	6.0	4.4	6.1	5.5
2016	4.6	2.0	8.0	4.7	7.3	3.8	6.0	5.5	4.8	5.8	5.9	5.3
2017	2.6	3.2	0.9	0.4	0.5	1.0	1.0	0.6	0.5	0.0	0.5	0.9
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
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	56.66	77.55	85.79	83.60	73.64	62.28	59.40	28.79
2009	32.87	33.98	44.69	52.47	60.90	77.85	83.26	80.84	76.69	55.97	50.84	32.88
2010	36.47	37.25	44.85	51.10	56.58	76.08	84.55	82.01	76.76	59.54	41.96	M
2011	M	33.37	44.95	50.31	56.75	74.01	81.72	85.20	75.52	60.37	46.55	39.79
2012	43.80	39.32	50.02	58.75	68.83	80.51	83.70	83.57	75.25	61.92	52.84	34.77
2013	31.33	36.69	51.10	54.79	65.32	81.93	86.19	81.23	68.18	57.20	49.43	37.62
2014	45.20	43.07	50.65	56.53	66.03	71.67	M	77.10	74.82	67.19	50.40	39.87
2015	44.77	52.40	55.79	56.93	59.89	81.80	80.74	83.58	77.80	63.13	41.77	34.19
2016	31.55	40.72	50.52	56.11	61.23	77.30	81.65	77.48	67.52	62.23	51.20	38.13
2017	32.19	39.61	50.93	-83.61	9.85	-41.24	-70.16	-497.90	-102.67	-13.92	-83.82	-51.24
2018	15.81	39.57	42.83	37.70	32.42	69.07	86.86	84.24	77.05	56.54	47.25	37.34
2019	45.86	31.31	43.95	55.19	50.00	73.04	83.45	85.63	72.21	57.42	49.82	37.42
2020	M	M	M	M	M	M	M	82.40	79.36	60.64	49.63	42.09
2021	M	M	M	M	M	M	M	M	77.50	57.30	55.51	40.70
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	55.21	45.63
2024	40.33	38.21	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	40.99	43.93	52.40	58.90	68.89	81.12	89.40	87.29	78.01	64.49	50.90	40.80

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2008	M	M	M	M	29.95	39.14	51.57	50.08	37.90	28.14	39.40	5.24
2009	12.76	15.17	23.51	26.66	37.03	53.17	56.21	44.99	41.28	25.01	18.87	2.07
2010	11.37	13.69	20.11	24.22	28.86	41.72	50.90	48.29	38.61	34.24	23.84	M
2011	M	13.43	23.11	25.56	30.54	40.63	50.18	48.80	39.50	29.29	18.04	7.49
2012	13.03	13.94	23.28	28.03	32.74	42.83	50.18	50.20	40.95	28.86	24.93	13.83
2013	0.25	9.51	25.08	30.63	31.14	42.89	52.71	49.40	42.54	26.43	19.30	6.97
2014	15.90	19.21	21.42	26.53	33.03	35.33	M	48.90	44.25	31.19	20.03	16.90
2015	19.42	20.80	25.66	24.93	36.52	48.23	48.29	48.90	43.60	34.48	14.37	9.32
2016	8.19	13.03	24.72	14.74	22.13	39.00	15.29	24.03	10.28	15.77	-4.93	9.67
2017	9.10	16.61	-11.17	-193.74	-552.76	-612.43	-637.87	-637.87	-595.25	-595.10	-588.08	-555.37
2018	-476.17	8.82	-0.20	16.40	-13.11	38.57	53.44	49.52	42.58	30.05	17.37	12.58
2019	22.58	10.33	24.07	31.52	33.86	39.83	49.09	47.76	38.38	17.68	19.69	16.32
2020	M	M	M	M	M	M	M	54.30	40.21	21.61	18.77	9.95
2021	M	M	M	M	M	M	M	M	40.45	30.15	23.83	13.20
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	23.56	18.05
2024	15.82	19.09	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	12.40	16.32	22.91	27.50	34.00	41.40	49.10	47.60	38.80	28.30	19.21	11.70

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	43.31	58.34	68.68	66.84	55.77	45.21	49.40	17.01
2009	22.82	24.57	34.10	39.57	48.96	65.51	69.74	62.92	58.99	40.49	34.85	17.48
2010	23.92	25.47	32.48	37.66	42.72	58.90	67.73	65.15	57.68	46.89	32.90	M
2011	M	23.40	34.03	37.93	43.64	57.32	65.95	67.00	57.51	44.83	32.30	23.64
2012	28.41	26.63	36.65	43.39	50.79	61.67	66.94	66.88	58.10	45.39	38.89	24.30
2013	15.79	23.10	38.09	42.71	48.23	62.41	69.45	65.32	55.36	41.82	34.37	22.29
2014	30.55	31.14	36.03	41.53	49.53	53.50	M	63.00	59.54	49.19	35.22	28.39
2015	32.10	36.60	40.72	40.93	48.20	65.02	64.52	66.24	60.70	48.81	28.07	21.76
2016	19.87	26.88	37.62	35.43	41.68	58.15	48.47	50.76	38.90	39.00	23.13	23.90
2017	20.65	28.11	19.88	-138.67	-271.46	-326.84	-354.02	-567.88	-348.96	-304.51	-335.95	-303.31
2018	-230.18	24.20	21.31	27.05	9.65	53.82	70.15	66.88	59.82	43.29	32.31	24.96
2019	34.22	20.82	34.01	43.36	41.93	56.44	66.27	66.69	55.30	37.55	34.75	26.87
2020	M	M	M	M	M	M	M	68.35	59.78	41.12	34.20	26.02
2021	M	M	M	M	M	M	M	M	58.97	43.73	39.67	26.95
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	39.39	31.84
2024	28.07	28.65	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	26.70	30.12	37.65	43.20	51.45	61.26	69.25	67.45	58.40	46.40	35.05	26.25

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	54.8%	24.6%	27.7%	28.8%	34.2%	43.8%	72.1%	78.3%
2009	78.7%	76.5%	57.8%	54.6%	51.0%	38.3%	35.8%	29.2%	34.2%	54.4%	43.6%	71.8%
2010	78.8%	79.2%	66.2%	57.8%	52.4%	35.8%	28.1%	27.2%	20.1%	62.2%	64.6%	M
2011	M	75.0%	65.8%	61.8%	59.8%	36.9%	39.9%	27.6%	41.6%	55.1%	50.9%	62.5%
2012	52.1%	68.5%	54.9%	45.2%	25.3%	16.7%	35.9%	49.0%	44.5%	52.2%	52.8%	75.3%
2013	72.5%	69.5%	53.0%	30.0%	41.2%	20.5%	33.9%	36.5%	57.4%	52.9%	59.3%	73.6%
2014	68.7%	63.8%	52.4%	48.1%	37.0%	15.2%	M	48.3%	46.7%	40.9%	56.8%	77.2%
2015	75.3%	48.8%	45.5%	40.2%	63.2%	29.0%	36.9%	34.2%	M	M	M	72.7%
2016	77.5%	68.3%	58.0%	59.7%	56.3%	38.0%	24.5%	31.8%	42.0%	44.7%	56.7%	68.3%
2017	80.4%	76.6%	58.8%	57.1%	56.7%	38.9%	55.2%	57.7%	62.0%	59.7%	82.0%	79.1%
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

Monthly Plots

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May 2026

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