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 (USW00054788) 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	0.00	0.00	0.00	0.00
2009	0.00	0.00	0.00	0.00	0.00	0.00	12.64	3.60	4.86	14.58	9.97	3.43
2010	14.68	51.02	39.31	3.52	8.62	8.22	7.27	4.68	4.53	8.83	9.05	27.37
2011	121.92	7.22	1.17	7.04	8.45	13.74	3.49	15.57	10.42	22.13	8.08	5.88
2012	42.20	11.30	1.83	3.04	7.31	14.13	3.64	4.94	13.97	7.04	36.98	38.70
2013	10.70	36.86	14.65	2.40	4.89	24.04	7.29	4.36	4.32	4.30	7.27	28.62
2014	51.74	87.15	18.24	7.12	8.27	5.82	5.96	9.38	2.69	12.08	13.55	17.50
2015	35.05	62.52	54.59	5.81	2.23	13.40	6.07	5.37	13.87	9.65	7.19	1.84
2016	7.43	5.23	0.27	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
NCEI Climatology	3.05	3.05	4.05	4.13	3.48	4.05	3.38	3.54	4.28	4.49	3.36	4.12

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2008	M	M	M	M	M	M	M	M	5.0	5.8	6.1	7.5
2009	6.0	8.2	7.6	7.3	5.8	4.9	5.2	4.5	4.9	6.2	6.8	7.0
2010	7.6	8.1	8.6	1.7	5.8	5.8	5.2	5.5	6.3	6.9	7.6	9.9
2011	7.4	8.7	10.5	7.6	6.7	5.8	5.2	5.5	5.3	6.3	6.3	6.3
2012	7.3	7.1	7.2	7.9	5.4	5.5	4.3	4.7	5.4	5.5	7.1	7.1
2013	6.9	7.7	8.8	7.8	6.3	6.5	5.5	5.0	5.4	5.1	7.6	6.4
2014	7.0	6.5	8.1	8.7	6.5	5.4	6.1	4.7	5.0	6.6	7.1	7.2
2015	8.1	8.1	7.4	7.8	6.7	5.8	4.8	4.7	5.1	6.4	6.1	5.8
2016	7.5	8.3	7.7	7.0	5.6	5.6	5.0	5.0	5.5	5.8	6.5	6.0
2017	6.6	6.8	8.7	7.2	6.2	5.8	4.6	4.5	5.8	6.1	6.4	5.7
2018	7.8	6.6	8.8	7.1	5.4	5.4	5.2	4.7	4.8	5.8	6.7	6.0
2019	7.1	6.9	7.1	7.3	6.4	5.3	4.4	4.2	4.9	6.6	7.3	6.3
2020	6.7	5.9	7.8	8.6	7.2	5.3	4.9	5.2	5.1	5.3	6.4	8.0
2021	7.4	6.9	7.7	7.7	6.8	5.5	4.7	4.5	5.6	5.4	2.0	2.8
2022	7.5	7.2	7.5	8.2	6.5	5.3	5.4	5.0	4.9	5.2	6.8	7.4
2023	6.1	7.0	7.8	6.4	5.8	4.7	4.5	4.6	5.2	4.7	6.0	5.3
2024	6.1	6.5	7.6	6.9	5.6	5.5	4.9	4.1	4.0	4.7	7.4	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	M	M	M	75.65	71.42	58.83	47.36	39.78
2009	29.08	39.07	43.85	57.62	64.86	70.17	75.82	78.86	69.56	57.20	52.88	37.22
2010	33.97	35.34	50.87	61.70	69.74	76.88	83.33	78.86	72.74	60.10	49.16	34.67
2011	30.78	39.06	39.20	54.39	70.56	75.92	83.85	79.90	74.65	59.17	56.30	47.21
2012	42.39	44.41	54.65	61.10	69.97	75.86	82.21	81.65	72.56	63.24	48.50	43.90
2013	38.62	37.40	44.08	57.56	68.70	77.12	83.79	77.87	72.14	64.46	50.30	40.30
2014	35.14	35.66	41.41	56.30	67.54	75.98	79.61	77.75	72.80	62.43	48.80	42.39
2015	33.34	28.85	40.83	57.20	72.41	73.46	81.30	81.53	77.84	61.15	55.22	52.32
2016	39.43	41.87	52.26	56.42	67.54	75.73	83.68	83.56	74.84	64.46	54.62	41.70
2017	42.80	43.76	40.86	61.34	64.92	76.52	80.02	78.32	76.15	70.67	52.82	37.86
2018	36.59	47.11	45.59	54.56	73.92	77.54	85.13	85.01	75.68	62.89	48.38	43.67
2019	37.28	40.16	46.05	59.66	68.81	77.42	86.93	82.28	75.80	64.52	49.16	41.58
2020	42.39	43.11	53.02	54.26	68.12	80.12	86.06	83.50	75.14	63.12	58.22	43.42
2021	37.92	38.24	51.05	60.74	70.15	80.96	81.35	83.04	76.22	67.83	52.64	46.05
2022	35.72	42.80	50.64	58.88	72.30	78.32	86.17	86.06	75.56	64.05	56.36	43.50
2023	46.05	44.73	49.13	62.36	70.44	76.22	85.42	80.14	75.98	67.30	51.32	47.45
2024	39.55	43.23	53.48	59.18	70.73	82.10	84.78	81.53	74.66	68.06	62.32	M
NCEI Climatology	36.99	39.22	47.50	59.90	70.40	78.69	84.01	82.40	75.41	63.60	52.00	41.70

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2008	M	M	M	M	M	M	M	56.41	54.68	41.41	34.40	25.73
2009	15.68	23.58	29.15	40.22	47.39	56.37	60.43	64.11	51.68	41.84	39.92	25.70
2010	21.95	24.93	35.95	41.84	49.48	59.60	65.62	62.43	56.72	44.25	35.12	23.19
2011	19.57	22.06	26.80	39.27	54.50	58.58	66.78	64.34	58.77	46.40	41.84	33.10
2012	27.76	31.38	39.03	42.68	54.06	58.58	66.26	65.39	56.24	49.19	35.12	33.51
2013	26.08	26.47	32.70	39.50	49.07	60.62	69.86	62.60	53.78	47.50	35.12	28.28
2014	20.15	22.94	26.02	38.90	50.70	57.98	64.57	60.86	56.12	47.91	34.82	31.94
2015	19.81	11.62	27.41	39.86	52.03	57.32	65.39	64.98	58.88	44.48	41.12	39.90
2016	25.79	26.17	36.18	38.90	50.70	58.73	66.95	67.13	59.66	46.98	38.48	27.94
2017	32.00	28.85	25.42	44.54	49.77	59.42	64.52	62.53	60.04	52.61	34.70	24.74
2018	20.68	30.07	31.19	36.92	53.25	58.58	66.32	68.58	60.98	46.05	34.58	28.98
2019	21.03	25.70	29.85	42.62	49.71	59.42	67.19	63.59	55.64	48.32	32.48	28.34
2020	28.57	29.95	35.83	38.60	48.20	60.98	68.93	66.55	56.96	47.85	39.86	29.14
2021	24.63	25.76	31.83	40.82	49.30	61.28	65.45	67.13	59.48	50.93	34.16	33.22
2022	18.12	23.71	32.12	40.88	52.32	58.40	66.72	67.25	56.84	46.46	39.38	28.63
2023	33.28	27.24	33.34	43.70	47.15	57.44	67.77	63.24	59.54	49.94	34.40	34.26
2024	27.47	27.59	35.83	41.48	52.67	61.40	68.41	63.41	56.60	46.75	43.22	M
NCEI Climatology	18.69	20.31	28.21	37.80	47.80	56.99	62.50	61.10	53.60	41.80	32.09	24.50

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	M	M	M	66.03	63.05	50.12	40.88	32.75
2009	22.38	31.33	36.50	48.92	56.13	63.27	68.12	71.48	60.62	49.52	46.40	31.46
2010	27.96	30.14	43.41	51.77	59.61	68.24	74.47	70.64	64.73	52.18	42.14	28.93
2011	25.18	30.56	33.00	46.83	62.53	67.25	75.32	72.12	66.71	52.79	49.07	40.16
2012	35.08	37.90	46.84	51.89	62.02	67.22	74.24	73.52	64.40	56.21	41.81	38.71
2013	32.35	31.94	38.39	48.53	58.88	68.87	76.83	70.24	62.96	55.98	42.71	34.29
2014	27.65	29.30	33.71	47.60	59.12	66.98	72.09	69.31	64.46	55.17	41.81	37.17
2015	26.57	20.24	34.12	48.53	62.22	65.39	73.34	73.25	68.36	52.82	48.17	46.11
2016	32.61	34.02	44.22	47.66	59.12	67.23	75.32	75.35	67.25	55.72	46.55	34.82
2017	37.40	36.31	33.14	52.94	57.35	67.97	72.27	70.42	68.09	61.64	43.76	31.30
2018	28.63	38.59	38.39	45.74	63.59	68.06	75.72	76.80	68.33	54.47	41.48	36.33
2019	29.15	32.93	37.95	51.14	59.26	68.42	77.06	72.94	65.72	56.42	40.82	34.96
2020	35.48	36.53	44.43	46.43	58.16	70.55	77.49	75.03	66.05	55.49	49.04	36.28
2021	31.27	32.00	41.44	50.78	59.73	71.12	73.40	75.08	67.85	59.38	43.40	39.64
2022	26.92	33.25	41.38	49.88	62.31	68.36	76.45	76.65	66.20	55.25	47.87	36.06
2023	39.66	35.99	41.23	53.03	58.80	66.83	76.59	71.69	67.76	58.62	42.86	40.85
2024	33.51	35.41	44.66	50.33	61.70	71.75	76.59	72.47	65.63	57.40	52.77	M
NCEI Climatology	27.84	29.76	37.85	48.85	59.10	67.84	73.25	71.75	64.50	52.70	42.05	33.10

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	M	M	M	85.8%	77.6%	73.2%	78.9%
2009	68.9%	66.1%	68.7%	63.3%	78.9%	89.4%	84.9%	87.7%	84.9%	83.2%	79.4%	79.1%
2010	71.6%	67.7%	62.8%	61.6%	72.0%	82.4%	78.8%	81.8%	80.1%	76.1%	71.3%	70.3%
2011	74.5%	63.9%	52.0%	72.5%	79.4%	75.9%	72.7%	77.4%	80.6%	72.5%	72.8%	70.3%
2012	66.3%	60.7%	67.3%	54.2%	78.2%	73.8%	74.2%	76.8%	78.8%	77.2%	69.4%	77.9%
2013	66.3%	67.8%	64.3%	61.8%	74.1%	77.1%	81.6%	77.6%	76.8%	71.9%	62.1%	76.1%
2014	59.5%	65.1%	56.8%	62.5%	67.5%	73.0%	76.0%	74.9%	78.1%	78.7%	66.2%	77.2%
2015	63.1%	63.3%	63.0%	60.4%	68.0%	77.7%	75.8%	73.9%	76.7%	72.1%	70.2%	78.8%
2016	62.1%	67.1%	61.8%	58.5%	68.5%	68.1%	72.9%	73.9%	76.2%	76.3%	67.0%	65.7%
2017	72.1%	66.4%	50.0%	70.5%	73.6%	72.4%	76.3%	76.1%	75.2%	76.0%	66.8%	62.4%
2018	65.4%	73.6%	59.1%	63.9%	71.8%	73.0%	76.6%	80.2%	85.0%	78.6%	70.2%	69.9%
2019	61.6%	60.8%	58.0%	68.4%	72.4%	72.7%	74.2%	75.8%	76.5%	78.0%	64.6%	74.5%
2020	66.4%	66.2%	61.3%	64.3%	64.1%	70.3%	78.3%	76.5%	75.1%	81.4%	70.7%	70.7%
2021	63.8%	66.9%	53.8%	59.8%	61.3%	75.7%	83.9%	81.8%	81.2%	82.9%	65.6%	70.4%
2022	63.4%	67.1%	64.8%	57.8%	71.5%	72.1%	72.2%	75.7%	76.9%	78.2%	68.0%	69.5%
2023	76.4%	65.3%	62.5%	65.2%	58.7%	78.8%	82.7%	79.6%	83.6%	80.8%	65.7%	78.4%
2024	73.0%	66.3%	65.8%	65.8%	79.2%	73.5%	82.0%	82.3%	80.6%	68.4%	61.9%	M

Monthly Plots

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