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 (USC00455224) 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
2007	0.01	2.30	3.72	0.65	0.33	1.52	0.90	0.60	1.23	3.44	1.64	4.14
2008	11.06	1.93	2.31	0.68	0.78	1.16	0.87	1.31	0.28	1.77	5.14	2.54
2009	4.37	0.55	2.64	1.54	2.47	0.42	0.00	1.01	1.97	3.40	3.58	2.23
2010	4.79	2.35	2.39	2.23	2.68	2.76	0.58	0.28	2.61	2.68	3.69	4.01
2011	4.10	1.83	4.49	3.62	3.59	2.19	0.70	0.00	0.62	3.57	4.76	2.23
2012	2.30	2.95	4.64	3.88	3.00	2.70	1.83	M	M	3.99	0.78	0.07
2013	2.18	1.28	2.82	3.82	3.29	1.40	0.00	1.28	6.97	1.33	2.82	1.28
2014	3.18	4.70	7.12	2.96	2.72	1.05	0.87	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	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	6.12	4.48	4.80	3.90	2.97	2.28	0.92	0.90	1.78	4.08	7.06	5.99

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	6.8	2.8	3.4	2.9	2.7	2.7	1.8	2.0	1.8	2.4	2.0	3.9
2008	3.2	3.0	3.5	3.8	2.7	3.0	1.8	2.1	1.1	1.1	2.2	2.0
2009	2.3	1.1	3.6	2.5	2.9	1.2	0.0	1.0	1.5	1.5	3.9	1.3
2010	1.5	1.3	3.0	3.3	2.7	2.0	1.7	1.6	1.3	1.5	4.7	4.6
2011	3.4	5.3	5.8	5.7	4.5	4.6	1.9	0.2	1.3	1.5	2.8	1.6
2012	1.2	3.2	3.9	2.3	2.4	2.1	1.1	M	M	1.4	0.5	0.4
2013	1.2	2.6	1.8	2.3	1.0	0.8	0.4	0.5	0.7	0.5	1.5	0.8
2014	2.3	3.3	3.1	2.8	1.4	1.1	0.9	0.3	M	M	M	M
2015	1.0	1.5	1.8	1.7	0.9	1.3	1.4	1.8	1.1	1.1	2.0	3.3
2016	1.4	1.9	2.9	1.4	2.0	1.8	1.5	1.8	1.6	2.0	2.1	2.4
2017	1.0	1.7	3.6	3.1	1.8	1.7	1.7	1.2	1.3	1.8	3.4	1.2
2018	3.1	3.3	2.5	3.1	1.1	1.9	1.6	1.6	1.5	0.9	2.0	2.9
2019	1.7	1.3	1.3	2.7	1.6	1.9	1.5	1.2	1.7	1.7	1.0	1.2
2020	4.7	3.2	2.7	2.2	1.9	2.0	2.0	1.4	1.4	2.2	2.8	2.4
2021	1.8	3.8	2.5	2.2	1.8	1.3	1.1	1.8	1.4	1.6	2.3	2.5
2022	2.0	1.7	1.8	2.8	2.0	1.3	0.9	1.3	0.9	1.3	1.6	1.6
2023	M	2.6	2.4	2.2	1.1	1.3	1.1	0.9	1.0	0.7	1.2	1.2
2024	1.7	1.6	2.2	1.9	1.6	1.6	0.8	0.6	0.4	1.1	1.9	1.5
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
2007	45.43	50.50	55.52	58.10	66.49	68.48	77.29	74.39	68.66	58.30	50.72	45.06
2008	44.95	49.88	49.88	53.90	64.17	67.64	76.01	76.36	71.48	60.16	55.22	42.05
2009	44.08	49.16	49.13	58.76	66.08	72.86	82.23	76.77	72.92	59.23	53.45	43.90
2010	51.74	53.79	55.46	57.38	60.92	65.54	75.37	76.48	68.72	61.21	49.40	49.01
2011	47.33	45.76	52.32	52.22	59.58	66.56	72.94	72.91	71.77	58.59	50.66	45.64
2012	45.41	49.94	50.00	59.36	64.34	65.60	74.51	M	M	56.00	52.76	42.44
2013	42.45	47.81	53.77	56.96	66.03	71.84	77.75	78.10	68.66	55.34	51.02	42.86
2014	46.40	45.24	54.76	59.42	66.78	69.56	80.19	79.70	M	M	M	M
2015	51.11	55.72	59.46	59.72	67.65	79.28	83.21	80.37	70.10	64.11	49.88	47.27
2016	49.25	54.84	57.08	66.20	68.29	72.38	75.78	80.54	70.82	61.09	57.08	42.74
2017	44.08	46.73	52.85	57.92	67.59	72.44	79.50	83.21	74.72	61.73	52.46	44.60
2018	49.83	45.95	54.01	58.22	69.86	71.90	83.33	80.60	71.54	61.61	54.26	49.54
2019	51.16	41.26	57.55	60.14	69.86	72.98	76.88	79.26	70.52	59.35	52.16	47.74
2020	49.88	50.50	52.44	59.00	67.25	70.04	77.58	79.44	75.44	61.79	51.80	49.94
2021	49.25	46.08	54.06	63.26	66.03	77.30	80.72	79.61	72.62	60.45	54.08	42.80
2022	47.50	49.29	54.94	55.46	61.21	69.80	81.18	82.86	76.58	67.77	49.22	43.83
2023	M	46.40	52.85	56.60	71.37	73.34	81.82	81.35	72.02	62.60	51.80	51.28
2024	47.04	50.37	54.99	58.64	64.34	71.00	82.92	77.99	73.10	63.41	52.10	50.16
NCEI Climatology	46.10	48.07	52.40	57.31	64.30	69.00	75.70	76.49	69.60	59.11	50.30	45.01

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	36.85	36.37	39.49	40.70	42.57	49.40	54.76	52.26	48.68	41.64	36.08	35.31
2008	32.06	34.92	34.61	36.74	46.40	46.88	50.46	54.06	47.18	40.88	41.24	31.94
2009	33.10	31.49	33.86	37.22	42.80	51.26	53.83	53.43	49.22	42.28	39.35	27.99
2010	38.74	35.79	36.24	39.74	42.74	48.86	50.64	51.86	51.50	42.34	35.84	34.96
2011	35.19	31.81	36.70	37.88	42.63	49.46	50.99	52.62	51.63	42.68	33.20	32.28
2012	32.18	35.17	35.60	40.34	43.21	48.86	52.42	M	M	42.32	39.20	30.20
2013	29.62	35.34	35.89	39.62	44.72	50.54	50.52	54.88	51.38	38.97	35.66	30.03
2014	34.03	30.97	37.52	39.98	45.70	48.80	52.61	54.95	M	M	M	M
2015	36.98	38.30	38.15	38.48	46.69	51.08	55.28	53.54	47.42	46.57	33.26	36.24
2016	34.44	37.28	38.10	43.22	47.45	50.54	54.59	53.66	47.42	45.65	41.96	30.66
2017	27.18	33.13	39.55	40.88	45.94	50.54	51.45	54.06	50.36	40.01	39.74	30.72
2018	38.39	34.25	34.67	41.06	48.95	49.76	53.95	54.53	48.44	41.00	38.54	35.25
2019	33.86	27.69	31.48	41.60	47.15	50.00	54.59	55.92	52.70	38.62	35.72	37.40
2020	38.68	33.43	34.32	36.63	46.28	51.02	53.37	52.26	51.80	44.19	37.58	34.79
2021	35.54	35.02	33.39	37.88	44.25	52.52	54.47	54.88	50.18	43.55	40.82	32.99
2022	33.63	32.84	38.97	36.62	43.61	50.66	55.23	56.74	50.78	45.24	31.22	31.74
2023	M	29.92	33.57	39.50	48.84	48.98	52.79	55.81	50.24	43.96	34.70	37.98
2024	34.90	36.28	36.70	39.50	44.37	49.40	54.82	54.94	50.90	43.50	39.08	35.76
NCEI Climatology	33.30	33.14	35.69	38.70	44.50	49.00	52.41	52.61	48.20	41.70	36.10	32.89

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	41.14	43.44	47.50	49.40	54.53	58.94	66.03	63.33	58.67	49.97	43.40	40.19
2008	38.50	42.40	42.25	45.32	55.28	57.26	63.24	65.21	59.33	50.52	48.23	36.99
2009	38.59	40.33	41.49	47.99	54.44	62.06	68.03	65.10	61.07	50.75	46.40	35.95
2010	45.24	44.79	45.85	48.56	51.83	57.20	63.01	64.17	60.11	51.77	42.62	41.99
2011	41.26	38.78	44.51	45.05	51.10	58.01	61.96	62.76	61.70	50.64	41.93	38.96
2012	38.79	42.55	42.80	49.85	53.77	57.23	63.47	M	M	49.16	45.98	36.32
2013	36.04	41.58	44.83	48.29	55.37	61.19	64.14	66.49	60.02	47.15	43.34	36.44
2014	40.22	38.11	46.14	49.70	56.24	59.18	66.40	67.33	M	M	M	M
2015	44.05	47.01	48.81	49.10	57.17	65.18	69.25	66.95	58.76	55.34	41.57	41.75
2016	41.84	46.06	47.59	54.71	57.87	61.46	65.18	67.10	59.12	53.37	49.52	36.70
2017	35.63	39.93	46.20	49.40	56.76	61.49	65.47	68.64	62.54	50.87	46.10	37.66
2018	44.11	40.10	44.34	49.64	59.41	60.83	68.64	67.56	59.99	51.31	46.40	42.39
2019	42.51	34.47	44.51	50.87	58.51	61.49	65.74	67.59	61.61	48.98	43.94	42.57
2020	44.28	41.96	43.38	47.81	56.76	60.53	65.47	65.85	63.62	52.99	44.69	42.36
2021	42.39	40.55	43.73	50.57	55.14	64.91	67.59	67.25	61.40	52.00	47.45	37.89
2022	40.56	41.06	46.95	46.04	52.41	60.23	68.20	69.80	63.68	56.50	40.22	37.79
2023	M	38.16	43.21	48.05	60.10	61.16	67.30	68.58	61.13	53.28	43.25	44.63
2024	40.97	43.33	45.85	49.07	54.35	60.20	68.87	66.46	62.00	53.45	45.59	42.96
NCEI Climatology	39.70	40.60	44.04	48.00	54.40	59.00	64.05	64.55	58.90	50.40	43.20	38.95

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
2007	87.4%	86.4%	81.0%	74.5%	69.5%	71.5%	73.2%	73.9%	77.6%	85.0%	86.7%	85.8%
2008	82.3%	86.1%	81.1%	74.7%	77.0%	74.1%	70.2%	74.7%	77.8%	85.0%	87.9%	89.6%
2009	90.8%	85.0%	81.5%	75.3%	72.5%	70.3%	73.8%	74.0%	78.5%	84.0%	83.4%	84.7%
2010	88.8%	87.0%	79.7%	76.6%	79.3%	80.8%	74.6%	72.6%	86.2%	87.2%	83.3%	81.7%
2011	86.8%	76.4%	75.2%	74.2%	68.4%	72.0%	74.6%	76.0%	79.7%	90.7%	89.8%	94.0%
2012	90.6%	87.5%	83.2%	79.3%	73.6%	80.6%	80.2%	M	M	91.0%	92.1%	95.5%
2013	94.8%	87.6%	85.1%	81.0%	79.8%	77.4%	74.6%	76.7%	89.2%	92.7%	90.3%	90.7%
2014	95.5%	84.9%	85.6%	79.2%	78.0%	77.9%	72.4%	76.0%	M	M	M	M
2015	96.2%	89.8%	83.3%	78.6%	79.5%	66.4%	63.4%	67.4%	81.4%	92.2%	91.4%	91.5%
2016	93.3%	89.9%	83.0%	76.8%	74.1%	76.3%	75.5%	70.7%	78.2%	88.5%	89.9%	90.9%
2017	87.6%	89.7%	87.7%	80.9%	78.5%	76.0%	68.9%	68.5%	76.0%	86.7%	88.0%	95.5%
2018	91.9%	85.3%	80.5%	81.2%	78.9%	73.7%	66.2%	71.9%	79.2%	89.9%	91.2%	87.9%
2019	90.8%	88.9%	73.3%	80.2%	75.7%	72.2%	73.4%	74.9%	82.8%	82.9%	90.4%	96.7%
2020	87.8%	87.5%	82.1%	72.5%	76.9%	78.4%	71.3%	69.2%	79.3%	87.1%	89.6%	91.9%
2021	92.2%	88.4%	79.7%	66.7%	76.4%	74.1%	70.7%	69.3%	76.3%	84.7%	91.4%	92.2%
2022	93.2%	86.7%	84.0%	78.8%	79.7%	79.0%	72.8%	71.0%	72.5%	83.2%	88.4%	92.4%
2023	M	82.4%	77.2%	81.1%	72.4%	70.7%	64.5%	69.1%	76.4%	88.9%	91.9%	95.1%
2024	90.0%	88.9%	79.0%	76.8%	74.6%	70.9%	65.2%	75.5%	82.7%	85.5%	89.7%	93.6%

Monthly Plots

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