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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.

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	M	M	M	M
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	1.33	2.34	2.67	5.81	3.09	1.45	1.76	5.61	3.77	5.17	2.46	2.39
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
2026	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
2008	M	M	M	M	M	M	4.1	2.8	3.0	1.8	3.1	3.1
2009	2.6	3.2	4.1	3.6	2.8	3.9	3.5	2.7	2.6	2.1	1.8	2.6
2010	2.9	3.2	3.7	3.5	3.5	2.5	2.3	2.4	2.6	2.2	2.6	3.3
2011	7.4	10.1	9.9	10.2	5.3	6.9	6.3	6.3	6.2	7.6	8.8	8.3
2012	3.4	3.3	2.6	3.5	3.1	2.6	2.8	2.6	2.9	1.7	2.4	3.1
2013	3.2	4.0	3.9	3.5	4.1	3.0	3.1	2.2	1.8	1.5	2.5	2.1
2014	2.0	2.8	3.1	3.0	3.2	2.9	3.0	2.8	2.5	2.5	1.9	2.5
2015	3.1	2.6	3.4	3.4	3.3	3.3	3.2	2.3	2.8	1.8	2.5	1.6
2016	3.3	3.1	3.3	3.7	3.4	3.0	3.5	2.7	1.8	2.1	2.1	2.4
2017	2.8	1.9	4.0	3.4	3.4	3.3	3.1	2.7	2.4	1.9	2.1	3.4
2018	3.3	2.1	2.8	2.9	3.1	2.8	2.7	2.8	2.1	2.0	1.9	3.2
2019	2.7	3.3	3.2	3.7	3.2	2.9	2.9	2.3	1.9	1.9	2.3	2.9
2020	2.0	4.9	3.3	2.5	3.6	3.4	2.8	3.1	2.8	1.7	1.2	2.1
2021	3.1	2.4	3.9	2.7	4.2	3.2	3.3	2.9	2.2	1.7	2.5	2.8
2022	2.2	3.2	3.6	6.0	4.8	5.6	5.1	5.5	5.4	3.4	3.8	3.9
2023	4.4	4.5	6.1	6.1	5.2	5.1	5.2	5.6	4.1	4.1	6.4	4.8
2024	4.1	4.4	5.8	6.0	5.0	4.9	4.7	4.8	5.1	4.0	4.1	3.9
2025	3.7	3.8	4.6	5.0	5.2	4.9	5.8	5.1	4.3	4.6	3.7	3.9
2026	3.1	3.6	4.2	3.7	3.8	4.4	4.6	5.4	4.5	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	51.80	59.23	63.63	68.32	81.18	71.54	65.15	52.40	43.21
2009	38.04	47.80	57.84	62.90	76.77	80.90	83.27	85.36	75.98	65.04	51.92	41.41
2010	37.63	44.54	52.90	64.16	68.81	77.54	85.48	80.02	73.58	60.10	50.54	40.48
2011	39.18	41.16	47.77	60.59	75.84	79.61	84.92	81.91	81.20	65.56	53.72	49.59
2012	46.86	43.23	63.70	59.78	71.14	80.36	84.37	85.77	74.30	65.04	55.34	44.54
2013	45.82	44.21	51.34	61.70	67.42	78.56	84.26	82.34	75.38	62.60	52.70	47.79
2014	46.28	49.23	60.57	66.26	70.38	78.56	79.03	77.58	74.60	66.43	54.98	47.79
2015	48.26	46.46	57.14	65.78	72.76	80.66	89.02	82.52	71.90	62.02	57.74	50.06
2016	46.46	49.88	56.33	65.30	69.10	78.08	85.36	84.37	78.68	61.73	52.10	48.03
2017	42.28	49.36	62.08	66.08	73.17	83.12	84.72	85.54	73.64	68.87	53.66	42.10
2018	48.43	42.74	50.87	67.22	71.37	80.24	85.25	85.69	78.02	66.49	52.88	48.43
2019	47.15	54.44	62.72	62.78	67.36	83.12	86.06	83.67	75.44	66.03	52.58	48.90
2020	49.30	57.39	55.81	67.22	73.63	77.90	84.20	85.42	77.54	62.37	56.66	44.66
2021	44.83	52.31	58.94	61.70	69.45	82.10	83.21	83.56	77.96	64.34	52.16	46.75
2022	49.01	55.34	56.15	65.72	76.94	85.76	90.70	87.22	76.22	70.96	57.14	44.54
2023	47.74	53.41	61.09	65.78	70.15	80.06	85.30	85.65	78.32	69.22	55.34	49.94
2024	47.91	55.15	58.19	65.24	68.87	77.24	85.94	88.09	73.59	65.02	55.64	49.48
2025	46.46	49.74	58.07	65.96	72.12	86.12	84.61	84.84	74.72	65.62	55.10	50.58
2026	44.95	53.73	58.25	70.58	74.74	87.44	90.65	90.24	83.46	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2008	M	M	M	51.80	57.73	62.00	65.25	63.94	56.66	49.83	41.42	31.65
2009	26.37	32.47	41.41	49.10	59.75	64.10	67.77	68.23	59.12	47.56	41.42	29.56
2010	28.86	31.36	38.56	46.46	55.57	63.14	70.03	63.18	55.16	46.57	41.42	29.39
2011	16.08	17.24	26.62	38.50	56.10	58.89	63.02	62.89	60.26	46.92	39.02	31.13
2012	28.92	24.86	43.03	46.76	55.92	65.78	66.84	67.77	57.02	49.94	40.46	30.26
2013	31.59	28.98	38.68	48.26	52.67	62.42	68.75	64.98	57.68	51.28	40.64	31.83
2014	34.55	36.31	41.29	48.86	54.24	64.58	66.78	66.61	61.28	54.99	46.46	36.99
2015	33.39	36.31	46.17	51.62	61.09	68.42	76.94	69.34	59.96	50.06	43.04	35.66
2016	34.79	39.26	44.31	53.84	57.84	66.50	72.99	70.50	64.70	49.94	43.94	34.61
2017	29.85	39.14	49.83	52.76	61.38	71.24	72.41	72.30	59.84	50.93	41.48	30.49
2018	37.81	33.61	41.64	55.64	60.80	69.08	73.11	72.70	64.04	54.76	46.40	34.15
2019	31.65	37.85	48.55	51.56	56.85	71.42	73.52	72.27	62.90	55.63	44.84	38.15
2020	32.93	40.32	45.99	53.30	61.96	66.20	72.76	71.66	63.50	50.64	43.94	36.06
2021	32.75	40.74	46.17	48.98	57.84	70.46	71.02	69.86	64.52	49.42	43.34	32.93
2022	31.07	38.94	44.77	51.02	65.74	74.06	77.93	73.92	62.96	57.32	44.42	34.61
2023	36.18	38.11	48.61	52.82	58.77	68.48	73.57	71.83	64.76	56.91	41.48	37.17
2024	34.15	42.43	48.43	52.34	58.94	67.22	74.15	74.56	61.19	56.52	41.84	34.09
2025	36.01	39.33	47.68	54.14	60.86	74.78	72.47	72.01	62.12	53.60	42.68	38.79
2026	33.10	41.71	47.62	56.66	62.37	74.06	76.48	75.14	69.39	M	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2008	M	M	M	51.80	58.48	62.81	66.78	72.56	64.10	57.49	46.91	37.43
2009	32.20	40.13	49.62	56.00	68.26	72.50	75.52	76.80	67.55	56.30	46.67	35.48
2010	33.25	37.95	45.73	55.31	62.19	70.34	77.75	71.60	64.37	53.34	45.98	34.93
2011	27.63	29.20	37.19	49.54	65.97	69.25	73.97	72.40	70.73	56.24	46.37	40.36
2012	37.89	34.05	53.37	53.27	63.53	73.07	75.61	76.77	65.66	57.49	47.90	37.40
2013	38.71	36.60	45.01	54.98	60.05	70.49	76.51	73.66	66.53	56.94	46.67	39.81
2014	40.42	42.77	50.93	57.56	62.31	71.57	72.91	72.09	67.94	60.71	50.72	42.39
2015	40.83	41.39	51.65	58.70	66.93	74.54	82.98	75.93	65.93	56.04	50.39	42.86
2016	40.62	44.57	50.32	59.57	63.47	72.29	79.18	77.44	71.69	55.84	48.02	41.32
2017	36.06	44.25	55.95	59.42	67.27	77.18	78.57	78.92	66.74	59.90	47.57	36.30
2018	43.12	38.17	46.25	61.43	66.08	74.66	79.18	79.19	71.03	60.63	49.64	41.29
2019	39.40	46.14	55.63	57.17	62.11	77.27	79.79	77.97	69.17	60.83	48.71	43.53
2020	41.12	48.85	50.90	60.26	67.80	72.05	78.48	78.54	70.52	56.50	50.30	40.36
2021	38.79	46.53	52.55	55.34	63.65	76.28	77.12	76.71	71.24	56.88	47.75	39.84
2022	40.04	47.14	50.46	58.37	71.34	79.91	84.32	80.57	69.59	64.14	50.78	39.58
2023	41.96	45.76	54.85	59.30	64.46	74.27	79.44	78.74	71.54	63.06	48.41	43.55
2024	41.03	48.79	53.31	58.79	63.91	72.23	80.05	81.33	67.39	60.77	48.74	41.78
2025	41.23	44.54	52.87	60.05	66.49	80.45	78.54	78.42	68.42	59.61	48.89	44.69
2026	39.03	47.72	52.93	63.62	68.55	80.75	83.56	82.69	76.43	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
2008	M	M	M	M	M	M	71.7%	68.8%	73.3%	79.4%	85.1%	89.5%
2009	89.7%	68.1%	61.8%	75.0%	61.4%	61.7%	61.5%	66.1%	71.9%	77.8%	90.3%	83.8%
2010	83.8%	76.0%	70.8%	64.3%	67.8%	67.9%	62.3%	69.7%	71.7%	79.4%	84.4%	81.4%
2011	75.8%	70.4%	67.6%	70.9%	65.0%	68.7%	64.2%	74.7%	78.2%	76.9%	67.5%	72.3%
2012	74.3%	75.0%	64.6%	76.7%	69.1%	67.5%	63.8%	63.9%	69.5%	79.7%	80.4%	74.2%
2013	79.3%	69.5%	73.4%	76.2%	68.2%	61.5%	63.5%	67.3%	73.1%	87.2%	79.7%	82.9%
2014	84.6%	84.2%	66.6%	69.5%	64.8%	67.2%	69.8%	70.9%	72.0%	78.0%	86.7%	85.0%
2015	71.0%	75.7%	61.7%	58.0%	64.8%	61.5%	54.9%	62.9%	66.7%	81.5%	74.8%	85.1%
2016	70.0%	76.5%	62.1%	64.8%	63.7%	65.4%	57.8%	58.2%	63.3%	77.5%	78.4%	83.4%
2017	66.7%	84.7%	60.6%	59.5%	59.4%	57.8%	55.5%	58.2%	61.6%	66.7%	71.4%	74.4%
2018	80.1%	78.6%	76.5%	64.5%	73.3%	62.6%	60.6%	56.3%	67.2%	75.8%	86.4%	79.5%
2019	67.4%	71.3%	47.5%	63.3%	65.6%	58.2%	61.2%	69.2%	69.4%	78.8%	87.3%	81.6%
2020	78.9%	59.5%	65.2%	58.6%	64.2%	67.0%	60.2%	62.9%	66.7%	77.2%	78.9%	86.5%
2021	76.3%	74.9%	52.7%	59.7%	57.6%	58.9%	61.6%	58.5%	63.9%	74.6%	84.1%	77.4%
2022	72.1%	60.3%	52.7%	55.9%	62.0%	52.7%	47.9%	53.1%	61.6%	82.3%	79.4%	94.6%
2023	79.5%	72.6%	60.4%	51.8%	65.8%	59.4%	55.6%	49.7%	62.1%	68.7%	62.3%	70.1%
2024	73.7%	73.3%	74.9%	65.5%	76.1%	70.0%	64.4%	62.2%	69.8%	87.4%	80.2%	73.9%
2025	84.0%	80.7%	67.3%	65.6%	67.0%	58.2%	55.7%	60.4%	73.0%	71.2%	74.5%	87.9%
2026	80.1%	77.1%	62.9%	58.8%	57.4%	52.3%	48.7%	54.7%	59.7%	M	M	M

Monthly Plots

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