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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
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	0.00	M	M	M	M	M	M	M	M	M	M
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	M	M	M	M	M
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	0.10	M	M	M	M	0.03	0.21	0.22	0.17	0.33	0.01	M
2015	M	M	M	M	0.13	0.30	0.42	0.25	0.32	0.21	0.12	0.18
2016	0.06	0.33	0.15	0.24	0.18	0.17	0.15	0.36	0.10	0.38	0.12	0.13
2017	0.15	0.09	0.12	0.38	0.25	0.24	0.25	0.31	0.13	0.26	0.11	0.08
2018	0.15	0.09	0.04	0.25	0.14	0.29	0.13	1.50	3.81	4.18	3.52	3.80
2019	2.91	2.27	1.86	4.79	3.75	1.68	1.59	2.90	4.33	6.51	2.74	1.58
2020	2.55	0.68	3.75	2.12	1.76	2.88	5.18	5.26	3.33	3.73	1.79	1.50
2021	0.44	1.32	1.38	3.31	0.81	2.00	M	1.23	3.71	4.91	2.38	2.03
2022	0.46	2.95	2.96	4.89	5.54	6.74	2.42	6.06	4.09	2.15	2.97	2.47
2023	2.11	1.21	1.69	4.08	1.79	3.89	6.96	6.61	1.48	5.12	3.00	4.19
2024	1.44	0.52	2.45	3.34	2.71	3.85	3.06	8.87	2.05	1.82	1.91	M

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	M	3.7	4.5	5.4	6.3
2005	5.7	4.5	6.2	6.0	5.7	4.6	3.6	M	5.3	5.2	7.0	5.4
2006	5.3	7.2	6.4	6.0	5.2	4.2	4.4	M	4.7	5.9	4.9	5.7
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	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	M	M	M	M	M
2012	5.9	4.1	4.9	5.6	4.0	4.3	3.3	3.6	4.0	4.2	4.0	4.9
2013	5.5	5.0	5.0	6.5	4.2	3.8	3.2	3.4	3.3	4.2	6.1	3.4
2014	5.8	5.0	5.3	5.5	4.6	3.3	3.7	3.0	3.7	4.4	5.5	4.8
2015	5.3	4.8	5.2	5.6	4.5	3.4	3.2	3.1	2.8	4.0	4.5	3.9
2016	4.7	5.6	4.6	4.6	3.8	3.9	3.3	3.2	2.8	3.5	3.7	4.7
2017	4.6	4.6	5.1	4.7	4.2	4.0	3.1	3.1	2.4	4.2	4.6	3.7
2018	5.0	4.1	4.3	5.3	4.2	3.2	3.1	2.8	3.0	4.0	4.3	3.4
2019	4.8	5.3	5.2	5.7	3.9	3.4	2.8	2.9	2.9	3.5	4.4	4.9
2020	13.4	6.4	4.9	6.0	4.7	3.5	2.9	3.1	3.5	3.9	4.7	5.1
2021	3.5	4.0	6.0	4.4	4.0	3.9	2.8	2.7	3.3	2.9	3.8	4.9
2022	3.9	5.3	5.2	5.4	3.9	3.9	3.4	2.4	2.9	3.1	4.5	5.0
2023	3.8	4.4	4.6	5.0	4.4	3.3	2.6	2.9	2.2	3.2	4.3	3.2
2024	4.5	4.5	4.9	5.2	3.6	3.4	2.9	2.9	2.7	3.4	4.5	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	68.95	62.67	51.42	36.71	23.22
2005	21.35	28.87	33.12	53.32	58.83	77.52	76.39	M	44.60	55.58	45.43	27.65
2006	32.08	21.67	30.57	42.72	59.42	67.25	73.02	M	56.72	48.91	39.53	31.75
2007	25.93	19.04	35.40	47.94	64.73	72.70	M	M	M	M	M	M
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	M	M	M	M	M
2012	30.43	31.42	47.22	52.71	69.65	75.85	80.76	80.32	70.24	59.71	42.65	33.41
2013	28.01	26.85	37.32	52.50	69.49	71.92	80.41	75.48	67.11	58.45	40.45	26.06
2014	23.89	24.29	29.57	52.11	66.67	75.10	77.08	75.74	69.61	57.98	41.07	33.29
2015	22.24	14.58	32.64	51.43	72.34	70.95	77.85	77.57	74.41	53.97	47.89	41.88
2016	28.72	31.98	41.21	48.72	67.86	74.58	79.87	79.78	72.51	56.22	45.69	32.17
2017	31.56	33.77	32.75	54.55	63.74	73.40	76.12	75.26	72.99	65.17	43.50	23.63
2018	25.00	35.16	35.72	46.47	70.15	74.17	83.52	80.06	70.95	51.08	36.14	32.49
2019	22.96	25.57	35.45	50.16	61.62	73.88	83.03	77.45	67.86	57.96	36.02	32.07
2020	29.33	30.87	41.96	49.50	65.76	76.87	82.70	76.05	67.47	55.86	49.18	34.90
2021	25.71	26.30	42.35	55.95	66.80	67.84	M	80.90	69.93	60.59	42.71	34.62
2022	19.45	29.27	38.48	52.13	70.99	72.34	78.62	77.00	67.04	60.63	46.82	35.19
2023	30.73	31.02	37.42	56.68	66.73	73.43	79.11	73.61	71.59	60.15	40.92	36.48
2024	28.59	34.56	43.02	53.71	69.24	75.96	80.21	75.57	72.02	59.67	47.40	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	64.84	59.55	45.74	31.47	17.34
2005	2.89	9.17	15.58	33.87	42.31	58.33	59.52	M	42.60	40.10	26.59	14.33
2006	18.38	15.57	25.20	41.31	54.29	62.60	69.38	M	54.64	48.14	35.72	28.87
2007	8.59	1.77	16.05	32.49	43.64	52.66	M	M	M	M	M	M
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	M	M	M	M	M
2012	10.17	13.91	29.06	34.71	49.41	55.65	58.97	59.99	49.21	41.93	24.27	20.00
2013	8.00	11.42	23.26	32.50	46.18	54.40	61.21	56.98	48.26	39.90	26.43	10.95
2014	6.56	7.27	7.94	31.39	46.40	54.73	59.45	56.87	48.07	42.59	28.19	18.78
2015	-0.46	-7.03	12.70	32.27	47.83	51.90	58.16	59.16	52.79	34.33	30.50	29.39
2016	9.45	12.92	23.30	27.69	44.16	53.88	58.11	60.19	50.22	40.02	31.39	16.38
2017	18.74	16.93	14.84	37.14	44.50	54.44	57.89	55.73	51.82	46.03	24.30	9.74
2018	7.07	16.01	21.14	29.81	45.73	52.10	61.05	61.05	51.49	36.80	24.41	13.82
2019	4.03	6.60	17.48	33.35	43.00	52.13	60.44	56.29	48.47	39.32	22.14	17.56
2020	14.25	10.46	25.47	31.07	43.64	54.25	62.65	57.27	48.13	38.09	32.90	21.63
2021	13.65	8.68	22.17	36.51	45.35	41.54	M	63.43	52.29	45.22	28.45	18.81
2022	-4.60	8.32	22.18	34.08	48.18	55.10	60.22	59.52	50.30	39.01	32.35	23.41
2023	19.53	10.93	23.90	37.48	42.52	55.28	63.29	56.99	53.85	46.51	28.40	25.24
2024	17.58	17.38	27.31	35.29	50.52	57.17	62.83	58.80	52.59	40.79	33.27	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	66.90	61.11	48.58	34.09	20.28
2005	12.12	19.02	24.35	43.59	50.57	67.92	67.95	M	43.60	47.84	36.01	20.99
2006	25.23	18.62	27.89	42.02	56.85	64.92	71.20	M	55.68	48.52	37.63	30.31
2007	17.26	10.40	25.73	40.21	54.18	62.68	M	M	M	M	M	M
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	M	M	M	M	M
2012	20.30	22.67	38.14	43.71	59.53	65.75	69.87	70.15	59.72	50.82	33.46	26.70
2013	18.00	19.14	30.29	42.50	57.83	63.16	70.81	66.23	57.69	49.18	33.44	18.51
2014	15.23	15.78	18.76	41.75	56.53	64.91	68.26	66.31	58.84	50.28	34.63	26.04
2015	10.89	3.78	22.67	41.85	60.08	61.43	68.01	68.37	63.60	44.15	39.19	35.63
2016	19.09	22.45	32.26	38.20	56.01	64.23	68.99	69.98	61.36	48.12	38.54	24.28
2017	25.15	25.35	23.79	45.84	54.12	63.92	67.00	65.50	62.41	55.60	33.90	16.68
2018	16.03	25.58	28.43	38.14	57.94	63.13	72.28	70.56	61.22	43.94	30.28	23.15
2019	13.50	16.08	26.47	41.75	52.31	63.00	71.73	66.87	58.16	48.64	29.08	24.82
2020	21.79	20.66	33.71	40.28	54.70	65.56	72.67	66.66	57.80	46.97	41.04	28.26
2021	19.68	17.49	32.26	46.23	56.07	54.69	M	72.17	61.11	52.91	35.58	26.71
2022	7.43	18.79	30.33	43.11	59.59	63.72	69.42	68.26	58.67	49.82	39.58	29.30
2023	25.13	20.98	30.66	47.08	54.63	64.36	71.20	65.30	62.72	53.33	34.66	30.86
2024	23.09	25.97	35.17	44.50	59.88	66.56	71.52	67.19	62.30	50.23	40.34	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
2004	M	M	M	M	M	M	M	M	85.5%	83.6%	82.6%	84.3%
2005	76.7%	78.0%	74.1%	69.5%	72.0%	76.1%	79.6%	M	81.9%	85.1%	79.4%	86.5%
2006	86.6%	77.9%	74.4%	67.6%	75.5%	79.7%	77.9%	M	80.7%	81.2%	83.9%	84.8%
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	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	M	M	M	M	M
2012	78.3%	79.0%	71.0%	63.6%	71.2%	70.4%	70.7%	73.1%	73.6%	78.0%	73.5%	81.8%
2013	72.9%	74.2%	72.3%	59.4%	66.9%	78.1%	77.0%	79.8%	80.6%	77.6%	72.9%	82.5%
2014	72.1%	75.5%	68.9%	65.8%	71.0%	72.0%	72.5%	77.4%	77.8%	78.3%	71.1%	78.5%
2015	67.9%	66.2%	62.8%	64.4%	63.7%	75.8%	78.3%	79.2%	79.0%	75.2%	76.6%	85.4%
2016	80.0%	76.7%	70.6%	59.2%	66.0%	68.4%	74.3%	74.8%	77.5%	79.4%	83.1%	80.6%
2017	79.8%	75.8%	68.9%	72.4%	71.8%	72.7%	77.0%	76.6%	79.5%	73.8%	75.5%	78.3%
2018	78.7%	75.0%	74.3%	68.9%	60.2%	69.2%	70.8%	79.8%	80.5%	79.8%	81.4%	82.7%
2019	77.9%	74.1%	68.3%	71.0%	70.3%	66.5%	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	M	79.8%
2021	85.7%	79.0%	63.5%	66.8%	59.3%	63.8%	M	77.0%	76.4%	82.3%	77.1%	74.1%
2022	71.1%	70.1%	72.3%	63.6%	61.9%	71.0%	69.1%	78.7%	80.8%	70.6%	71.1%	75.6%
2023	82.8%	70.8%	70.9%	61.4%	57.9%	73.8%	80.5%	80.8%	82.3%	79.7%	72.0%	84.4%
2024	78.2%	70.4%	71.4%	67.2%	70.5%	72.3%	77.8%	83.5%	79.3%	74.0%	73.5%	M

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