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 (USC00350699) 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
2009	M	M	M	M	M	2.01	0.09	0.24	0.03	4.82	2.53	3.21
2010	5.10	0.52	1.09	2.80	0.75	0.51	0.15	0.16	0.57	1.65	10.36	10.65
2011	2.09	16.34	1.55	2.05	1.30	0.41	0.17	0.01	0.03	0.15	1.86	0.17
2012	4.30	35.67	5.70	1.58	1.05	0.96	0.58	0.12	0.13	0.54	2.65	4.98
2013	0.72	1.10	1.57	0.95	0.25	0.95	0.03	0.88	0.93	0.42	0.13	4.57
2014	2.19	45.85	1.84	5.15	0.20	0.48	0.50	0.49	0.22	0.68	8.42	7.84
2015	0.25	0.94	0.43	0.22	0.99	0.50	0.12	0.03	0.15	0.74	10.82	6.57
2016	1.13	0.05	0.50	0.38	1.63	0.49	0.44	0.09	0.01	1.34	0.06	1.30
2017	1.20	0.88	0.15	0.48	0.28	0.12	0.00	0.02	0.16	0.40	0.49	0.05
2018	0.21	0.22	0.42	0.52	0.34	0.20	0.00	0.09	0.08	0.06	0.26	0.96
2019	0.65	1.21	0.63	0.73	1.69	0.40	0.12	0.58	0.99	0.25	0.17	0.48
2020	0.67	0.01	0.39	0.24	1.35	0.27	M	0.15	0.07	0.09	2.28	0.16
2021	0.23	0.24	0.05	0.03	0.47	0.88	0.21	0.02	0.76	0.56	0.86	0.34
2022	0.62	0.01	0.35	0.45	0.52	0.81	0.23	0.40	0.07	0.20	0.59	1.30
2023	0.06	0.01	0.73	0.22	1.23	0.04	M	0.02	0.45	0.13	0.30	0.23
2024	1.07	0.95	0.32	0.57	0.25	0.01	0.12	0.20	0.04	0.17	0.30	0.48
NCEI Climatology	1.01	0.78	0.57	0.74	1.11	0.86	0.41	0.45	0.41	0.69	0.98	1.12

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2009	M	M	M	M	M	5.4	6.0	5.9	5.4	4.9	6.1	4.8
2010	5.5	5.2	6.5	7.2	5.6	6.0	5.7	5.8	4.8	5.0	7.6	7.7
2011	7.1	8.5	9.7	9.1	7.5	7.5	4.1	3.2	5.7	5.6	7.0	6.2
2012	8.3	6.5	9.5	7.0	6.3	6.5	6.2	6.0	5.5	7.5	6.7	6.7
2013	5.5	5.6	4.7	7.5	6.7	5.5	5.8	5.3	6.6	4.9	5.0	5.2
2014	5.1	6.8	8.1	6.2	6.0	6.0	5.6	5.4	5.5	6.2	6.5	5.0
2015	3.9	5.7	5.2	5.3	4.7	4.3	3.7	5.5	4.8	4.3	6.7	7.5
2016	5.4	7.2	8.1	6.1	5.5	5.3	5.3	4.3	5.3	7.4	6.6	5.3
2017	4.7	6.5	9.2	6.8	5.6	6.1	5.7	5.7	5.6	7.1	7.6	4.8
2018	6.9	7.5	6.2	8.1	6.3	6.6	6.3	5.9	5.2	5.3	5.4	6.5
2019	5.1	6.1	4.3	6.3	6.0	6.5	5.7	5.7	5.5	5.5	4.8	5.6
2020	9.5	6.7	6.3	6.1	6.5	6.8	6.1	5.6	5.3	6.3	7.3	6.9
2021	6.1	7.3	6.6	6.6	6.9	6.4	5.9	5.7	6.0	7.3	8.2	8.1
2022	6.9	6.1	7.0	7.1	7.8	6.5	6.0	6.0	5.3	5.8	6.8	6.3
2023	6.7	7.2	6.7	7.5	5.4	6.3	6.0	5.7	5.6	5.2	5.9	6.5
2024	6.3	5.8	7.1	6.7	7.0	7.0	5.9	5.6	5.4	5.6	7.9	5.6
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
2009	M	M	M	M	79.47	71.36	86.06	82.40	77.54	55.23	48.92	36.47
2010	44.48	46.85	52.21	53.91	56.43	68.90	82.86	79.96	72.26	61.96	46.76	40.07
2011	45.12	42.73	47.21	50.42	57.66	68.90	78.68	83.15	80.36	61.21	47.24	44.25
2012	44.89	43.36	48.03	57.56	64.86	68.72	82.23	85.48	78.68	61.79	49.40	38.79
2013	41.00	45.82	51.86	57.02	67.25	73.82	87.68	83.04	71.90	59.06	48.86	40.94
2014	47.04	39.33	53.60	58.40	67.59	72.44	87.10	81.12	74.84	66.14	44.90	41.99
2015	47.21	50.96	59.58	56.60	65.79	79.63	80.83	83.33	72.26	66.55	45.14	40.07
2016	41.29	53.66	51.92	64.88	66.66	76.16	80.89	83.80	72.38	58.65	54.56	34.79
2017	31.30	42.48	53.48	54.50	69.34	74.67	91.23	90.24	76.58	62.14	50.60	41.81
2018	45.94	45.89	51.63	60.26	73.23	77.78	90.88	86.23	75.32	63.99	53.00	42.63
2019	46.52	37.27	45.70	59.93	69.05	77.60	83.21	86.93	72.02	59.70	53.78	42.97
2020	45.94	50.93	52.21	62.66	69.39	74.96	86.70	86.81	82.64	69.28	51.20	45.70
2021	45.15	44.86	54.35	63.86	69.28	84.32	91.40	85.88	78.26	61.79	55.76	43.21
2022	48.26	52.25	56.68	54.86	63.76	74.84	90.88	90.99	79.16	71.31	43.94	39.37
2023	44.14	48.51	45.65	59.06	71.25	79.46	89.89	86.70	73.58	65.91	51.98	48.03
2024	42.45	46.77	52.79	59.36	67.42	79.04	92.97	85.71	80.36	66.78	49.76	46.62
NCEI Climatology	41.60	45.11	51.30	56.60	65.09	71.90	82.10	81.90	74.11	61.90	48.39	40.50

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2009	M	M	M	M	48.43	46.16	52.44	50.46	44.24	32.81	27.68	19.05
2010	31.94	29.24	26.14	30.57	36.56	42.56	49.54	48.32	44.48	37.17	28.46	25.73
2011	26.66	20.37	30.72	28.64	33.51	41.36	45.76	49.01	45.86	33.16	26.30	21.08
2012	25.50	24.37	28.75	33.56	35.72	42.02	50.23	50.64	44.42	35.60	31.16	24.05
2013	20.39	24.61	28.92	31.28	38.50	45.26	53.25	51.86	45.44	30.95	26.30	18.47
2014	23.99	23.51	30.84	32.18	38.85	43.04	55.17	52.44	45.44	42.28	26.12	26.19
2015	28.63	30.01	32.06	30.20	40.94	48.62	50.86	51.16	41.30	39.55	23.54	27.53
2016	26.72	31.01	31.25	36.80	41.41	45.86	49.77	51.87	41.66	38.97	34.28	15.10
2017	15.68	27.24	33.92	32.96	40.36	46.67	54.76	55.52	47.78	34.61	31.16	20.91
2018	30.32	24.54	28.98	34.88	44.83	46.22	54.35	52.38	41.90	35.83	27.80	26.02
2019	28.05	21.14	24.05	36.93	42.86	46.64	51.39	54.01	46.88	30.26	28.46	27.59
2020	31.07	25.36	28.34	34.46	41.06	47.42	52.09	53.72	47.48	36.59	30.50	27.59
2021	27.36	25.83	27.59	32.90	39.95	52.58	58.07	53.25	45.08	38.21	34.52	26.37
2022	26.54	24.22	31.83	29.84	38.04	46.76	56.62	57.95	48.32	40.48	25.94	22.13
2023	25.73	26.91	25.44	33.98	44.37	47.66	54.06	55.40	46.16	37.28	29.84	31.59
2024	25.26	28.28	29.15	32.54	38.45	47.54	56.27	51.92	49.52	37.11	30.44	26.46
NCEI Climatology	24.40	25.42	28.10	31.30	37.91	43.00	49.20	48.90	42.40	34.20	27.90	23.40

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2009	M	M	M	M	63.95	58.76	69.25	66.43	60.89	44.02	38.30	27.76
2010	38.21	38.04	39.17	42.24	46.50	55.73	66.20	64.14	58.37	49.56	37.61	32.90
2011	35.89	31.55	38.97	39.53	45.59	55.13	62.22	66.08	63.11	47.18	36.77	32.67
2012	35.19	33.86	38.39	45.56	50.29	55.37	66.23	68.06	61.55	48.69	40.28	31.42
2013	30.69	35.21	40.39	44.15	52.87	59.54	70.47	67.45	58.67	45.01	37.58	29.71
2014	35.51	31.42	42.22	45.29	53.22	57.74	71.14	66.78	60.14	54.21	35.51	34.09
2015	37.92	40.49	45.82	43.40	53.37	64.12	65.85	67.25	56.78	53.05	34.34	33.80
2016	34.00	42.33	41.58	50.84	54.04	61.01	65.33	67.83	57.02	48.81	44.42	24.95
2017	23.49	34.86	43.70	43.73	54.85	60.67	72.99	72.88	62.18	48.37	40.88	31.36
2018	38.13	35.21	40.30	47.57	59.03	62.00	72.62	69.31	58.61	49.91	40.40	34.32
2019	37.28	29.20	34.87	48.43	55.95	62.12	67.30	70.47	59.45	44.98	41.12	35.28
2020	38.50	38.14	40.27	48.56	55.23	61.19	69.39	70.26	65.06	52.93	40.85	36.65
2021	36.26	35.34	40.97	48.38	54.62	68.45	74.73	69.57	61.67	50.00	45.14	34.79
2022	37.40	38.24	44.25	42.35	50.90	60.80	73.75	74.47	63.74	55.89	34.94	30.75
2023	34.93	37.71	35.54	46.52	57.81	63.56	71.98	71.05	59.87	51.60	40.91	39.81
2024	33.86	37.52	40.97	45.95	52.93	63.29	74.62	68.81	64.94	51.95	40.10	36.54
NCEI Climatology	33.00	35.27	39.70	43.95	51.50	57.45	65.65	65.40	58.25	48.05	38.14	31.95

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
2009	M	M	M	M	M	58.0%	37.9%	44.2%	43.7%	66.4%	65.9%	76.3%
2010	76.8%	72.2%	60.2%	61.5%	60.3%	56.7%	41.1%	43.9%	60.0%	61.2%	71.5%	76.4%
2011	68.9%	72.6%	74.8%	68.1%	67.4%	61.9%	49.7%	43.2%	38.9%	57.6%	59.4%	56.9%
2012	58.5%	64.0%	55.9%	51.1%	40.4%	45.2%	35.9%	28.9%	28.3%	39.8%	62.1%	63.4%
2013	52.4%	49.9%	47.2%	43.8%	52.3%	53.5%	34.5%	50.8%	57.1%	64.5%	67.7%	67.9%
2014	70.2%	78.6%	61.0%	57.1%	51.6%	49.0%	40.6%	49.7%	47.8%	57.4%	72.6%	83.2%
2015	77.1%	67.3%	56.8%	55.3%	59.8%	42.0%	44.5%	38.8%	49.2%	59.9%	70.4%	75.9%
2016	75.5%	63.5%	63.2%	52.9%	56.9%	48.7%	47.0%	38.6%	48.4%	68.7%	65.2%	76.7%
2017	77.7%	72.1%	62.9%	59.9%	51.3%	48.4%	36.6%	34.5%	48.4%	57.7%	69.6%	74.0%
2018	74.1%	63.4%	63.5%	54.7%	52.2%	46.1%	33.1%	38.8%	45.2%	54.9%	64.2%	75.5%
2019	74.0%	75.4%	72.5%	60.1%	55.5%	46.6%	46.6%	45.9%	62.9%	55.0%	67.0%	78.8%
2020	69.7%	58.2%	60.6%	52.3%	52.0%	49.4%	38.6%	38.0%	40.2%	48.6%	66.1%	70.0%
2021	70.9%	65.8%	53.9%	41.3%	47.9%	42.6%	35.3%	40.6%	45.2%	57.4%	63.0%	72.1%
2022	66.5%	56.9%	58.7%	57.0%	52.8%	51.4%	37.0%	37.4%	45.3%	47.9%	70.3%	77.5%
2023	68.5%	57.6%	67.0%	54.2%	56.0%	42.9%	35.1%	41.0%	53.9%	60.6%	68.4%	77.7%
2024	76.3%	73.2%	61.2%	56.7%	49.8%	41.0%	32.9%	43.9%	45.9%	55.5%	68.1%	73.4%

Monthly Plots

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