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 (USC00358494) 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
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	0.09	11.54	11.29
2007	6.30	11.32	5.81	3.03	1.27	2.13	1.08	1.00	1.99	5.18	5.69	9.92
2008	88.98	4.10	7.90	5.45	1.65	2.77	0.12	1.91	0.44	1.13	8.41	8.16
2009	7.62	2.49	7.01	4.29	4.34	0.76	0.37	1.43	2.04	5.35	11.65	5.79
2010	10.44	5.72	7.06	7.91	4.67	4.98	0.68	0.38	3.26	6.85	12.54	12.36
2011	10.19	7.25	10.48	10.44	4.35	1.46	1.58	0.13	1.87	3.92	11.23	5.21
2012	10.67	6.80	10.46	5.94	5.12	4.03	0.83	0.05	0.05	14.81	11.06	15.12
2013	6.68	5.40	3.18	4.26	7.91	2.07	0.00	1.39	2.57	0.51	5.71	3.09
2014	4.52	8.07	11.62	5.24	3.07	1.70	1.39	0.39	2.96	10.81	6.13	10.55
2015	5.72	6.58	6.04	2.94	1.43	0.89	0.30	1.21	0.39	5.62	5.29	21.73
2016	10.19	8.28	9.67	2.65	1.70	2.42	0.97	0.45	1.51	13.37	13.06	10.07
2017	6.21	13.17	13.91	7.14	4.12	2.95	0.04	0.32	2.02	7.16	11.59	6.50
2018	10.42	5.76	4.76	7.54	0.44	1.53	0.00	0.53	3.15	5.09	5.18	7.95
2019	4.87	8.48	2.30	6.47	1.89	0.51	0.73	0.52	5.01	5.31	2.40	8.52
2020	8.84	5.28	3.90	1.85	4.07	4.14	0.16	M	3.90	3.27	7.43	7.75
2021	9.78	8.94	4.38	1.00	1.57	1.84	0.05	0.14	3.92	7.44	13.25	10.63
2022	7.89	4.42	4.60	7.83	6.72	3.76	0.05	M	0.86	3.21	9.52	9.91
2023	6.29	5.41	6.44	9.76	0.18	0.18	0.06	0.32	1.83	5.53	3.94	11.54
2024	18.58	9.55	6.96	5.04	4.13	3.18	0.55	0.35	1.44	6.25	14.56	7.94
NCEI Climatology	13.38	9.82	10.05	7.48	4.56	3.28	0.92	1.20	3.58	7.80	13.44	14.65

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	0.0	5.9
2007	4.7	5.1	4.1	4.5	4.9	4.4	5.1	4.1	4.0	3.9	3.9	7.0
2008	6.6	4.3	4.9	5.0	4.5	5.4	4.5	3.9	3.3	3.3	4.1	5.1
2009	5.3	4.4	5.5	4.6	5.7	4.7	4.0	3.6	3.8	3.4	5.6	4.9
2010	5.2	4.7	5.4	6.2	5.1	4.5	5.4	4.0	3.3	4.0	6.2	8.9
2011	6.8	6.7	7.5	7.3	6.1	6.4	5.2	4.3	3.6	2.9	4.5	3.2
2012	5.7	6.1	7.1	4.4	4.8	3.9	4.1	4.5	3.2	4.4	4.5	5.0
2013	3.6	3.9	3.4	5.4	4.4	4.1	3.6	2.2	4.1	0.8	2.8	1.6
2014	3.3	6.7	6.0	4.9	4.8	5.6	4.9	3.8	2.4	3.8	6.5	6.2
2015	3.3	4.5	4.2	4.3	4.9	5.1	5.0	5.0	3.0	3.5	5.0	6.7
2016	5.1	3.7	5.7	3.5	4.6	4.7	5.3	3.8	3.2	5.3	4.3	4.0
2017	4.8	5.5	5.5	5.0	4.1	4.3	5.8	4.0	3.1	4.1	5.6	5.3
2018	5.4	3.7	4.2	5.7	5.0	4.6	4.5	3.4	3.6	3.3	3.9	5.6
2019	6.2	4.4	4.7	5.2	4.3	5.7	4.6	4.1	3.0	3.8	3.0	3.2
2020	6.9	4.4	4.6	4.2	4.4	5.1	4.7	4.5	3.8	3.1	4.0	5.2
2021	4.0	5.7	5.1	4.4	4.8	4.3	5.4	3.7	3.8	3.4	2.7	2.3
2022	3.2	4.4	4.0	4.8	5.2	4.5	4.8	3.9	3.1	2.3	5.7	5.6
2023	5.4	5.1	4.6	5.1	5.8	6.5	5.3	5.0	4.4	4.4	4.4	5.8
2024	7.6	6.4	5.5	5.8	6.1	5.7	5.6	4.4	3.8	3.6	4.8	5.1
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
2002	M	M	M	M	M	M	M	M	56.00	53.83	51.12	47.12
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	43.70	44.60	52.40	57.20	64.40	62.60	64.40	M	M	54.50	46.40	57.20
2006	49.55	50.00	48.65	49.10	86.00	M	68.00	M	M	57.92	56.53	53.24
2007	50.23	53.04	56.62	58.04	61.90	64.94	71.72	71.14	69.26	61.73	55.70	48.91
2008	48.03	53.35	51.80	53.84	61.61	62.54	69.45	69.97	70.10	62.60	58.40	47.91
2009	53.08	53.86	51.63	56.48	62.25	66.68	70.44	70.38	71.72	62.37	56.42	49.71
2010	55.05	56.88	56.68	56.54	58.48	63.50	68.06	68.75	69.38	63.88	53.00	52.61
2011	51.97	49.68	53.31	53.54	58.25	64.76	68.23	70.85	71.18	61.90	54.26	50.93
2012	51.57	52.36	51.68	58.22	61.15	63.86	67.59	72.00	69.50	63.24	56.96	49.54
2013	50.17	51.67	55.11	57.50	63.01	67.70	67.55	68.06	44.09	59.87	54.56	45.94
2014	53.72	48.52	53.86	58.70	64.34	64.88	69.92	71.14	72.98	66.14	61.28	54.06
2015	55.82	58.44	59.52	58.22	60.57	67.34	72.70	72.88	68.36	66.08	54.32	51.16
2016	52.67	57.14	56.62	61.88	63.99	66.56	68.00	72.12	68.12	61.40	57.92	45.01
2017	46.98	49.36	52.67	55.82	60.68	64.88	68.52	71.48	70.52	61.94	53.00	50.35
2018	52.61	47.75	52.67	56.42	60.74	66.20	69.22	70.32	67.46	63.06	56.78	51.92
2019	53.31	45.50	56.39	56.30	62.31	66.44	69.97	72.99	68.43	60.03	55.28	50.38
2020	50.87	50.56	51.34	57.80	63.01	64.58	68.64	71.14	71.72	61.79	54.38	53.08
2021	51.68	48.39	51.86	58.82	59.75	68.24	68.64	70.03	69.38	60.05	55.75	45.36
2022	53.72	51.29	53.48	53.72	57.90	67.38	69.97	72.41	70.94	64.46	53.00	49.07
2023	50.06	48.26	50.23	53.66	64.17	65.42	70.90	74.94	68.78	64.34	57.02	55.05
2024	51.74	52.23	55.46	56.78	60.74	64.58	71.48	70.79	69.20	63.94	54.38	54.75
NCEI Climatology	51.90	53.12	54.80	57.19	61.10	64.10	67.70	69.00	68.39	62.50	55.50	50.60

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	M	M	56.00	52.25	51.12	47.12
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	43.70	44.60	52.40	57.20	64.40	62.60	64.40	M	M	54.50	46.40	57.20
2006	46.85	46.40	47.75	40.55	86.00	M	68.00	M	M	33.80	44.67	37.22
2007	33.92	39.39	41.06	41.06	43.73	49.40	53.83	51.92	46.94	42.86	37.82	37.14
2008	34.85	37.90	36.30	38.06	47.33	46.52	49.65	53.54	46.70	43.09	43.58	35.60
2009	35.77	33.61	36.88	39.08	43.21	50.48	53.19	53.37	49.34	45.30	41.36	32.58
2010	43.79	40.29	38.39	41.90	45.06	48.74	50.75	52.38	52.64	43.61	40.34	41.00
2011	38.91	35.60	41.06	38.96	43.73	52.10	52.32	52.50	50.24	46.57	36.80	32.46
2012	36.30	38.39	37.92	43.10	43.61	49.28	53.60	52.60	45.92	44.60	43.34	38.68
2013	35.14	39.84	39.95	42.32	46.63	51.86	53.15	52.50	34.57	39.55	39.14	30.90
2014	35.72	37.14	46.14	41.12	47.96	49.52	52.85	53.14	51.08	50.12	39.08	41.12
2015	33.80	40.10	40.42	38.48	47.33	48.44	52.73	51.68	46.58	47.79	36.80	40.77
2016	40.07	42.24	41.23	43.70	46.52	49.10	53.19	51.63	46.40	48.57	44.90	32.52
2017	32.99	36.18	40.25	40.46	44.83	49.46	47.85	50.64	48.68	41.24	41.78	34.73
2018	40.42	35.60	35.66	40.82	45.99	48.98	51.34	52.73	45.56	43.61	39.38	37.05
2019	36.82	32.64	34.15	42.68	46.81	48.62	52.73	53.14	53.74	38.94	37.52	38.30
2020	41.53	35.10	35.25	38.48	46.28	49.88	50.46	50.58	52.40	44.25	38.78	37.57
2021	38.00	38.88	34.90	37.52	44.02	51.14	51.80	50.64	46.34	43.67	41.14	36.15
2022	36.59	36.11	39.43	36.98	42.57	49.13	52.50	53.95	49.16	45.76	34.76	36.76
2023	37.46	33.29	34.15	40.23	47.33	47.90	51.63	52.57	48.80	45.70	38.72	41.93
2024	40.48	38.89	38.95	40.04	44.14	47.66	51.22	52.85	50.72	43.32	40.22	37.40
NCEI Climatology	37.20	36.29	37.20	39.40	43.70	47.70	50.30	50.29	46.80	42.70	39.00	36.40

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	M	M	56.00	53.04	51.12	47.12
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	43.70	44.60	52.40	57.20	64.40	62.60	64.40	M	M	54.50	46.40	57.20
2006	48.20	48.20	48.20	44.83	86.00	M	68.00	M	M	45.86	50.60	45.23
2007	42.07	46.21	48.84	49.55	52.82	57.17	62.77	61.53	58.10	52.29	46.76	43.02
2008	41.44	45.62	44.05	45.95	54.47	54.53	59.55	61.76	58.40	52.85	50.99	41.75
2009	44.43	43.73	44.25	47.78	52.73	58.58	61.82	61.87	60.53	53.83	48.89	41.15
2010	49.42	48.59	47.53	49.22	51.77	56.12	59.41	60.57	61.01	53.75	46.67	46.81
2011	45.44	42.64	47.18	46.25	50.99	58.43	60.28	61.67	60.71	54.24	45.53	41.70
2012	43.93	45.38	44.80	50.66	52.38	56.57	60.60	62.30	57.71	53.92	50.15	44.11
2013	42.65	45.76	47.53	49.91	54.82	59.78	60.35	60.28	39.33	49.71	46.85	38.42
2014	44.72	42.83	50.00	49.91	56.15	57.20	61.38	62.14	62.03	58.13	50.18	47.59
2015	44.81	49.27	49.97	48.35	53.95	57.89	62.72	62.28	57.47	56.94	45.56	45.96
2016	46.37	49.69	48.93	52.79	55.25	57.83	60.60	61.87	57.26	54.99	51.41	38.76
2017	39.98	42.77	46.46	48.14	52.76	57.17	58.19	61.06	59.60	51.59	47.39	42.54
2018	46.52	41.68	44.16	48.62	53.37	57.59	60.28	61.53	56.51	53.34	48.08	44.48
2019	45.06	39.07	45.27	49.49	54.56	57.53	61.35	63.06	61.09	49.49	46.40	44.34
2020	46.20	42.83	43.29	48.14	54.65	57.23	59.55	60.86	62.06	53.02	46.58	45.33
2021	44.84	43.64	43.38	48.17	51.89	59.69	60.22	60.34	57.86	51.86	48.44	40.76
2022	45.15	43.70	46.46	45.35	50.23	58.26	61.24	63.18	60.05	55.11	43.88	42.92
2023	43.76	40.78	42.19	46.95	55.75	56.66	61.26	63.76	58.79	55.02	47.87	48.49
2024	46.11	45.56	47.21	48.41	52.44	56.12	61.35	61.82	59.96	53.63	47.30	46.08
NCEI Climatology	44.55	44.71	46.00	48.30	52.40	55.90	59.00	59.65	57.60	52.60	47.25	43.50

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
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	100.0%	85.7%
2007	85.9%	88.3%	86.7%	82.6%	81.8%	81.3%	82.4%	82.4%	80.5%	85.7%	86.8%	88.5%
2008	81.6%	87.6%	85.9%	84.2%	82.7%	82.9%	79.9%	85.4%	83.0%	86.2%	90.0%	89.4%
2009	85.4%	84.9%	84.4%	81.6%	81.8%	81.6%	83.5%	84.0%	82.1%	88.4%	90.1%	80.1%
2010	86.7%	81.0%	82.0%	80.6%	82.7%	85.1%	82.0%	85.3%	90.4%	87.9%	91.9%	83.3%
2011	91.9%	83.6%	83.3%	82.8%	80.8%	79.9%	84.4%	81.6%	86.0%	92.3%	92.1%	93.1%
2012	87.7%	82.2%	83.5%	84.1%	80.4%	86.0%	84.7%	84.9%	83.2%	83.8%	90.5%	90.0%
2013	90.0%	89.2%	87.6%	83.2%	81.0%	81.5%	81.0%	86.5%	84.0%	87.7%	87.1%	90.9%
2014	88.6%	90.3%	88.7%	82.4%	79.7%	81.9%	81.5%	84.7%	77.0%	88.3%	81.3%	83.4%
2015	88.7%	73.2%	84.7%	82.9%	84.1%	79.7%	75.9%	77.7%	81.5%	86.1%	85.7%	85.8%
2016	83.6%	84.8%	82.0%	79.0%	78.2%	79.8%	80.3%	78.8%	82.5%	87.3%	83.9%	88.6%
2017	78.6%	83.8%	85.2%	80.0%	81.6%	79.1%	75.2%	77.7%	80.3%	81.6%	87.2%	85.8%
2018	87.3%	89.5%	82.8%	80.7%	82.0%	76.6%	78.4%	81.4%	82.5%	83.1%	85.2%	83.4%
2019	82.4%	85.4%	74.2%	82.8%	80.6%	77.1%	79.5%	77.1%	85.1%	79.9%	85.0%	92.1%
2020	87.3%	86.7%	83.6%	81.6%	79.9%	82.2%	80.4%	79.0%	78.9%	85.3%	89.4%	85.4%
2021	87.9%	86.1%	81.2%	75.8%	80.5%	79.1%	78.3%	80.8%	79.3%	84.5%	88.5%	89.6%
2022	87.1%	83.8%	85.5%	81.1%	83.1%	79.7%	79.6%	78.3%	78.5%	86.6%	80.9%	85.9%
2023	82.4%	83.9%	84.0%	82.4%	82.4%	81.8%	83.3%	85.2%	91.8%	93.4%	97.0%	99.0%
2024	98.9%	98.0%	93.5%	93.7%	96.0%	97.0%	94.8%	95.1%	96.3%	95.4%	92.0%	90.1%

Monthly Plots

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