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 () within the current 1991-2020 dataset.

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Precipitation Totals [inch]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
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	M	M
2007	M	M	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	0.00	0.00	0.00	0.00	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	0.00	0.00	0.00	0.00	0.00
2012	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2013	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	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
2025	M	M	M	M	M	M	M	M	M	M	M	M

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
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	M	M
2007	M	M	M	M	M	6.5	6.2	8.0	6.5	5.4	4.8	4.6
2008	4.5	4.9	4.2	4.2	4.5	5.7	6.4	6.3	6.2	6.4	5.0	4.8
2009	4.8	4.8	4.5	4.6	4.8	5.7	6.1	6.1	5.5	4.7	5.2	5.0
2010	4.7	4.6	4.3	4.4	4.2	5.7	6.1	6.2	6.1	3.9	4.2	3.8
2011	4.0	4.2	4.4	4.5	4.9	5.9	6.3	5.7	6.6	5.4	4.8	4.8
2012	4.5	4.8	4.3	4.6	5.6	5.7	6.1	7.9	6.2	5.6	5.4	4.9
2013	4.6	5.0	4.5	4.6	5.0	5.8	6.1	6.1	6.2	5.3	5.3	5.0
2014	5.0	4.7	4.2	4.4	4.9	5.7	6.0	6.2	5.5	5.6	4.8	4.6
2015	4.7	4.6	4.6	4.1	4.8	5.8	6.3	6.0	4.6	5.0	5.0	5.0
2016	4.4	4.3	4.0	3.7	4.0	4.7	5.5	5.2	4.8	5.3	4.8	4.7
2017	4.3	4.2	3.3	3.7	4.5	5.3	7.1	5.4	7.4	5.7	4.9	4.6
2018	4.0	4.3	4.4	4.5	5.2	5.4	5.5	5.9	5.1	4.7	4.7	4.5
2019	4.6	4.5	4.0	4.1	4.6	6.0	6.0	6.5	5.5	4.3	4.5	4.7
2020	4.1	4.4	4.5	4.8	5.4	6.1	6.9	6.9	7.2	5.3	5.2	5.3
2021	4.9	4.9	4.5	4.8	5.2	5.6	6.2	6.3	5.4	5.0	4.6	4.8
2022	4.7	4.6	4.8	4.5	5.6	5.5	6.2	6.2	5.8	5.2	5.3	4.6
2023	4.7	4.7	4.7	4.6	4.9	5.6	6.2	5.7	5.8	5.2	4.7	5.0
2024	4.8	5.2	4.8	4.7	5.4	6.2	6.1	6.7	6.4	5.2	5.5	5.2
2025	4.7	4.7	4.4	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
2003	M	M	M	M	M	M	M	M	85.10	M	M	86.00
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	M	M
2007	M	M	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	88.17	85.78	87.73	86.52	M	M	M	M	M	M	80.60	M
2010	86.00	M	M	M	89.60	M	M	93.20	M	M	82.40	87.63
2011	84.32	M	M	82.40	74.30	74.00	68.00	96.62	97.52	91.40	86.42	87.86
2012	85.25	86.93	87.10	90.20	90.82	92.54	93.38	94.48	97.10	93.95	88.16	84.92
2013	86.23	88.19	87.45	89.06	91.05	91.40	93.26	95.70	96.38	92.68	89.06	86.00
2014	86.75	85.23	87.05	88.46	90.30	91.34	93.03	94.71	95.12	93.37	89.36	88.21
2015	88.55	87.35	87.68	87.62	89.77	91.94	91.92	95.64	98.18	95.46	92.27	90.94
2016	86.52	94.19	89.43	91.83	93.72	92.60	94.42	97.03	93.98	94.71	92.00	89.66
2017	87.39	86.19	88.21	89.78	92.62	92.42	90.94	96.51	97.70	97.09	89.90	87.86
2018	88.32	86.00	88.15	88.22	91.86	92.42	93.20	95.52	96.38	91.98	88.88	88.50
2019	89.02	87.99	87.99	88.88	91.63	92.30	92.45	95.58	97.70	90.24	90.68	90.65
2020	88.38	87.80	87.11	88.40	89.54	90.62	91.98	94.54	96.98	94.42	90.20	89.19
2021	87.34	84.01	86.87	86.84	90.35	91.52	92.15	94.88	95.66	91.28	86.60	85.01
2022	86.00	86.96	85.94	89.18	90.41	91.82	92.15	95.00	96.20	93.66	85.76	85.71
2023	86.17	87.80	85.59	89.12	90.65	91.70	93.20	93.90	96.26	94.94	92.00	91.05
2024	85.65	87.18	89.83	89.06	92.74	92.42	92.74	95.35	99.20	93.55	89.12	87.97
2025	85.71	85.74	86.65	M	M	M	M	M	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	M	M	M	M	78.80	M	M	77.90
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	M	M
2007	M	M	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	72.67	73.09	73.09	74.42	M	M	M	M	M	M	80.60	M
2010	86.00	M	M	M	89.60	M	M	93.20	M	M	81.50	74.04
2011	71.48	M	M	80.60	72.50	68.60	68.00	73.94	74.06	71.48	66.56	70.61
2012	71.66	68.31	70.73	71.90	71.60	69.68	67.46	69.86	74.42	74.97	71.18	73.40
2013	70.77	69.29	72.35	73.70	71.14	70.46	69.39	70.67	75.62	73.63	69.44	70.73
2014	72.18	69.16	69.45	71.30	71.60	69.32	69.05	70.26	72.80	74.21	73.04	71.83
2015	72.82	72.44	73.57	73.34	73.34	69.50	70.32	70.38	75.08	75.26	74.77	74.27
2016	73.63	75.20	75.72	75.80	72.99	71.72	69.16	72.94	76.46	75.32	75.08	73.58
2017	72.82	73.14	73.46	74.18	73.28	69.02	66.78	70.38	77.72	77.46	74.96	73.46
2018	72.53	72.63	73.75	73.04	72.65	67.94	66.32	72.70	74.48	73.52	74.12	73.28
2019	72.59	72.50	73.65	74.30	73.46	69.86	68.17	70.96	74.36	73.57	74.12	74.21
2020	73.86	73.68	74.65	74.18	74.04	71.06	68.23	70.79	75.92	74.91	75.08	73.86
2021	72.65	73.01	72.70	73.82	70.67	68.66	66.84	71.19	74.18	74.10	73.52	73.75
2022	72.82	72.76	72.99	73.64	70.03	68.96	68.00	71.77	74.84	75.14	73.64	73.81
2023	71.83	73.01	72.82	73.58	73.98	69.68	68.06	71.83	74.60	75.49	74.36	74.68
2024	73.52	74.02	75.66	75.20	72.82	70.22	68.23	71.60	75.50	75.43	74.78	74.27
2025	73.63	73.34	74.05	M	M	M	M	M	M	M	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	M	M	M	M	81.95	M	M	81.95
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	M	M
2007	M	M	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	80.42	79.44	80.41	80.47	M	M	M	M	M	M	80.60	M
2010	86.00	M	M	M	89.60	M	M	93.20	M	M	81.95	80.83
2011	77.90	M	M	81.50	73.40	71.30	68.00	85.28	85.79	81.44	76.49	79.24
2012	78.45	77.62	78.92	81.05	81.21	81.11	80.42	82.17	85.76	84.46	79.67	79.16
2013	78.50	78.74	79.90	81.38	81.09	80.93	81.33	83.18	86.00	83.15	79.25	78.36
2014	79.47	77.19	78.25	79.88	80.95	80.33	81.04	82.49	83.96	83.79	81.20	80.02
2015	80.69	79.89	80.63	80.48	81.56	80.72	81.12	83.01	86.63	85.36	83.52	82.60
2016	80.08	84.70	82.57	83.81	83.36	82.16	81.79	84.98	85.22	85.01	83.54	81.62
2017	80.11	79.67	80.83	81.98	82.95	80.72	78.86	83.45	87.71	87.28	82.43	80.66
2018	80.43	79.31	80.95	80.63	82.25	80.18	79.76	84.11	85.43	82.75	81.50	80.89
2019	80.80	80.25	80.82	81.59	82.55	81.08	80.31	83.27	86.03	81.91	82.40	82.43
2020	81.12	80.74	80.88	81.29	81.79	80.84	80.11	82.66	86.45	84.66	82.64	81.53
2021	79.99	78.51	79.79	80.33	80.51	80.09	79.50	83.04	84.92	82.69	80.06	79.38
2022	79.41	79.86	79.47	81.41	80.22	80.39	80.08	83.39	85.52	84.40	79.70	79.76
2023	79.00	80.41	79.21	81.35	82.31	80.69	80.63	82.86	85.43	85.22	83.18	82.86
2024	79.58	80.60	82.75	82.13	82.78	81.32	80.48	83.47	87.35	84.49	81.95	81.12
2025	79.67	79.54	80.35	M	M	M	M	M	M	M	M	M

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
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	M	M
2007	M	M	M	M	M	41.3%	49.2%	37.0%	39.4%	57.1%	69.4%	72.0%
2008	75.5%	79.9%	85.1%	81.1%	70.3%	55.7%	48.4%	39.9%	43.8%	51.1%	72.3%	76.8%
2009	72.9%	77.2%	76.8%	79.0%	76.1%	64.7%	52.7%	46.5%	56.2%	73.4%	73.6%	75.0%
2010	75.8%	74.4%	76.6%	68.8%	64.9%	53.2%	45.1%	37.1%	34.4%	63.9%	71.7%	75.1%
2011	78.8%	79.7%	78.6%	75.9%	66.1%	58.7%	49.0%	42.5%	34.5%	66.6%	75.9%	75.5%
2012	79.9%	76.2%	79.2%	74.6%	66.7%	61.7%	49.4%	38.0%	40.5%	54.4%	72.1%	75.6%
2013	77.2%	75.8%	78.5%	75.4%	69.8%	62.7%	52.6%	43.4%	46.9%	62.1%	73.3%	79.1%
2014	77.4%	81.3%	79.3%	77.0%	70.8%	60.6%	51.7%	44.0%	54.2%	59.1%	71.9%	75.2%
2015	74.7%	77.0%	79.0%	84.4%	75.6%	60.9%	53.5%	43.6%	49.2%	61.0%	74.0%	73.6%
2016	84.6%	67.0%	81.1%	76.6%	64.7%	61.2%	46.5%	42.3%	52.5%	62.5%	71.1%	76.7%
2017	81.7%	83.7%	82.2%	80.6%	69.4%	59.0%	48.4%	41.8%	31.9%	50.6%	74.3%	81.7%
2018	80.0%	85.8%	83.2%	81.5%	66.9%	57.1%	49.8%	46.9%	50.3%	74.7%	79.4%	77.7%
2019	81.4%	83.7%	84.7%	83.7%	75.2%	57.9%	52.4%	40.8%	43.7%	75.5%	76.8%	77.4%
2020	84.8%	82.1%	81.9%	79.2%	73.9%	62.7%	53.7%	46.1%	43.2%	63.8%	71.4%	76.8%
2021	82.4%	88.6%	85.6%	83.7%	73.0%	64.6%	56.0%	43.8%	57.7%	74.7%	84.4%	86.8%
2022	84.7%	84.1%	86.4%	80.0%	68.2%	62.1%	52.8%	44.8%	49.0%	63.6%	80.0%	84.3%
2023	84.4%	83.2%	86.8%	81.7%	73.4%	60.5%	52.3%	54.8%	53.2%	68.4%	75.8%	77.3%
2024	86.5%	84.3%	82.6%	83.1%	66.2%	58.0%	51.0%	44.0%	37.1%	67.9%	78.2%	80.9%
2025	83.5%	84.1%	83.6%	M	M	M	M	M	M	M	M	M

Monthly Plots

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