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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	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	M	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	M	18.3	19.3	26.4	26.6	21.0
2009	25.3	20.6	21.3	17.0	20.4	15.9	19.7	19.9	20.7	22.4	25.2	21.4
2010	22.8	19.0	21.3	18.4	15.0	13.3	16.6	17.8	21.5	21.6	21.3	19.8
2011	20.2	24.0	16.1	18.3	19.0	17.2	19.5	18.1	21.5	25.4	24.6	30.3
2012	27.3	23.8	17.8	20.4	19.4	18.9	9.9	1.3	21.5	22.0	23.7	27.3
2013	23.2	21.2	25.1	19.4	21.0	18.3	13.8	17.5	20.3	28.3	23.4	30.3
2014	27.2	30.6	22.8	20.3	18.8	15.9	16.9	20.5	15.2	23.7	23.2	26.8
2015	27.3	23.0	24.6	17.6	21.2	18.8	19.3	19.5	19.6	20.2	27.8	30.3
2016	29.7	24.4	20.9	20.1	21.9	14.6	17.0	18.0	18.9	21.8	22.6	21.3
2017	22.2	26.4	19.7	20.3	18.7	20.9	18.5	17.1	19.0	27.0	25.6	25.4
2018	24.9	23.0	24.5	21.9	20.3	15.6	15.4	16.9	21.3	24.7	19.9	23.1
2019	24.7	22.2	25.7	19.1	17.2	18.2	18.8	19.3	21.0	22.1	22.1	24.6
2020	24.9	30.9	23.8	18.1	15.7	17.9	17.3	20.7	19.3	23.7	23.3	24.5
2021	22.0	26.7	21.6	19.5	16.8	16.0	15.0	18.3	18.1	24.8	23.1	22.0
2022	23.8	28.3	19.2	16.2	16.7	16.2	17.7	15.1	20.7	22.7	25.7	22.7
2023	25.2	21.2	22.7	19.4	16.5	16.6	19.2	17.4	17.1	22.9	22.8	26.1
2024	26.5	23.2	22.4	24.2	17.8	17.3	17.5	18.1	20.2	20.9	21.9	22.9
2025	22.1	14.6	11.2	7.4	4.0	6.1	11.2	8.4	20.9	26.0	25.5	26.5
2026	28.4	27.3	20.5	20.0	17.4	17.9	17.8	12.9	M	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	M	M	M	M	63.80	60.42	55.22	50.40	45.74
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	59.90	M	M	46.40	41.64
2011	41.79	39.20	M	51.80	53.60	53.60	58.10	57.88	59.54	56.68	53.78	47.45
2012	45.70	42.30	46.17	45.80	50.75	54.74	59.35	62.31	60.26	54.82	50.66	46.28
2013	42.34	40.29	38.56	43.82	48.72	54.26	61.55	63.94	60.26	57.43	50.18	48.66
2014	46.11	46.46	46.57	48.74	53.54	58.22	64.81	62.72	62.00	59.70	53.66	47.91
2015	45.65	43.51	44.89	46.70	51.34	55.94	60.97	63.18	59.54	56.68	55.10	51.47
2016	46.23	44.85	44.72	46.52	52.79	56.84	62.31	63.88	65.42	56.85	49.94	49.65
2017	44.83	44.41	46.40	47.72	53.08	58.68	62.96	63.41	60.86	58.42	51.26	46.23
2018	44.77	40.36	40.13	46.76	53.37	57.68	64.98	64.86	60.07	56.91	52.34	48.78
2019	45.30	46.08	46.92	47.90	51.28	58.64	63.06	65.15	61.52	56.56	50.36	48.43
2020	47.91	46.65	45.76	48.50	52.26	58.52	60.63	65.33	61.40	56.27	53.00	47.97
2021	43.79	42.09	44.60	45.20	49.94	58.46	62.95	62.77	62.90	58.71	52.28	47.85
2022	46.40	45.75	44.20	45.71	52.08	55.82	62.77	66.32	62.18	59.75	54.50	46.69
2023	45.99	45.82	44.89	46.88	51.05	60.56	62.37	62.89	64.70	57.55	51.02	48.90
2024	44.95	46.71	46.63	49.04	55.75	58.04	61.67	65.10	62.06	57.78	51.86	49.19
2025	45.24	43.44	45.99	49.04	54.06	61.28	64.81	64.28	62.66	57.72	52.52	49.59
2026	42.92	43.70	46.57	48.80	53.95	60.74	63.99	66.56	M	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	M	M	M	M	61.10	57.35	51.56	46.51	41.62
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	59.90	M	M	46.40	37.23
2011	39.54	39.20	M	51.80	52.70	53.60	56.30	54.72	55.70	52.73	50.36	43.32
2012	41.87	38.14	42.34	42.74	46.98	51.14	55.23	58.42	55.64	50.52	47.18	41.06
2013	38.39	36.82	34.73	40.40	45.35	51.80	57.37	59.70	57.20	53.77	46.70	45.01
2014	42.92	43.12	43.26	45.80	50.46	55.52	61.32	58.83	59.48	55.69	50.30	44.02
2015	41.41	40.29	41.64	42.92	47.68	52.88	57.32	60.63	56.54	54.06	50.38	47.93
2016	42.39	40.75	41.46	42.98	49.59	53.66	59.35	60.39	61.70	53.54	46.22	46.52
2017	41.29	40.68	43.38	44.00	50.12	55.72	59.48	60.10	57.74	54.47	46.82	42.16
2018	41.12	36.89	36.70	42.92	49.77	54.92	61.73	60.80	56.80	52.79	48.56	44.72
2019	41.41	42.93	43.03	44.78	48.03	55.58	59.64	61.85	57.68	52.85	46.94	45.06
2020	43.96	42.18	42.39	45.08	49.59	55.64	57.32	61.15	57.74	52.03	49.28	44.77
2021	40.59	38.04	41.46	41.60	46.69	55.58	60.16	60.16	59.84	55.05	48.98	43.67
2022	42.86	41.08	41.20	41.76	49.03	52.94	58.94	63.35	59.30	56.39	50.36	43.21
2023	42.22	42.67	41.12	44.42	48.43	57.08	58.65	60.28	61.04	52.32	47.12	44.37
2024	40.42	43.17	43.44	45.26	52.50	55.10	58.71	61.32	58.28	54.41	47.84	45.06
2025	41.00	40.49	43.03	46.22	50.87	57.62	61.61	61.38	59.12	54.12	48.20	46.52
2026	38.33	39.65	42.92	45.44	50.35	57.56	60.57	63.32	M	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	M	M	M	M	62.45	58.89	53.39	48.46	43.68
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	59.90	M	M	46.40	39.43
2011	40.66	39.20	M	51.80	53.15	53.60	57.20	56.30	57.62	54.70	52.07	45.38
2012	43.79	40.22	44.25	44.27	48.87	52.94	57.29	60.36	57.95	52.67	48.92	43.67
2013	40.36	38.56	36.65	42.11	47.04	53.03	59.46	61.82	58.73	55.60	48.44	46.84
2014	44.51	44.79	44.92	47.27	52.00	56.87	63.06	60.77	60.74	57.69	51.98	45.96
2015	43.53	41.90	43.26	44.81	49.51	54.41	59.15	61.90	58.04	55.37	52.74	49.70
2016	44.31	42.80	43.09	44.75	51.19	55.25	60.83	62.14	63.56	55.20	48.08	48.08
2017	43.06	42.54	44.89	45.86	51.60	57.20	61.22	61.76	59.30	56.45	49.04	44.19
2018	42.95	38.62	38.42	44.84	51.57	56.30	63.35	62.83	58.43	54.85	50.45	46.75
2019	43.35	44.50	44.98	46.34	49.65	57.11	61.35	63.50	59.60	54.70	48.65	46.75
2020	45.94	44.41	44.08	46.79	50.93	57.08	58.97	63.24	59.57	54.15	51.14	46.37
2021	42.19	40.07	43.03	43.40	48.32	57.02	61.55	61.47	61.37	56.88	50.63	45.76
2022	44.63	43.41	42.70	43.73	50.55	54.38	60.86	64.84	60.74	58.07	52.43	44.95
2023	44.11	44.25	43.00	45.65	49.74	58.82	60.51	61.58	62.87	54.94	49.07	46.63
2024	42.68	44.94	45.04	47.15	54.12	56.57	60.19	63.21	60.17	56.10	49.85	47.13
2025	43.12	41.96	44.51	47.63	52.47	59.45	63.21	62.83	60.89	55.92	50.36	48.05
2026	40.62	41.68	44.75	47.12	52.15	59.15	62.28	64.94	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
2008	M	M	M	M	M	M	M	89.4%	83.0%	76.4%	80.7%	80.6%
2009	79.7%	82.6%	83.7%	89.4%	85.2%	79.5%	82.4%	79.6%	77.2%	74.5%	77.5%	74.9%
2010	78.1%	82.2%	85.0%	84.5%	78.3%	84.3%	81.7%	79.9%	80.4%	79.5%	73.9%	70.6%
2011	80.5%	85.7%	82.8%	84.6%	80.8%	83.1%	81.0%	85.7%	84.1%	80.0%	84.2%	78.0%
2012	80.4%	82.2%	89.7%	83.3%	85.5%	82.0%	82.2%	81.9%	74.2%	75.2%	78.8%	80.2%
2013	80.9%	77.5%	76.0%	82.7%	87.6%	85.3%	87.6%	80.6%	77.0%	81.8%	75.6%	80.7%
2014	86.1%	83.3%	85.2%	89.6%	85.4%	81.6%	87.1%	77.5%	84.5%	80.8%	81.0%	75.2%
2015	77.2%	81.3%	82.7%	83.4%	80.3%	81.6%	83.2%	84.1%	78.5%	77.4%	81.2%	84.1%
2016	80.6%	74.7%	83.3%	79.8%	85.1%	89.2%	82.8%	81.3%	82.2%	74.7%	73.9%	82.3%
2017	77.9%	83.9%	86.7%	79.2%	87.8%	86.5%	83.2%	78.0%	78.2%	80.8%	72.9%	80.7%
2018	82.0%	76.3%	85.9%	87.6%	88.6%	84.6%	82.9%	81.3%	75.7%	79.5%	79.4%	79.9%
2019	76.0%	84.5%	81.3%	79.2%	79.9%	86.0%	82.3%	82.7%	76.3%	74.8%	77.9%	81.5%
2020	85.6%	79.1%	76.1%	79.3%	80.3%	84.2%	80.7%	84.3%	79.8%	79.1%	82.3%	79.5%
2021	75.1%	79.9%	83.8%	75.0%	83.9%	81.7%	83.4%	80.1%	81.9%	76.3%	77.1%	80.8%
2022	82.3%	81.0%	M	M	M	M	M	M	M	82.6%	80.2%	M
2023	M	M	M	M	82.3%	82.4%	M	M	M	M	75.2%	79.3%
2024	76.7%	85.4%	85.8%	80.7%	88.7%	79.0%	83.7%	78.0%	79.5%	78.4%	74.4%	82.3%
2025	78.6%	79.2%	80.0%	83.1%	81.0%	82.4%	82.8%	79.6%	77.2%	80.4%	80.0%	81.3%
2026	82.6%	86.6%	85.4%	82.2%	80.9%	84.4%	82.4%	78.5%	M	M	M	M

Monthly Plots

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