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 (USW00026617) 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	0.00	2.00	59.00	0.00	0.00	0.00	0.00	0.00	8.04	0.00	0.00
2011	0.03	0.04	0.00	0.01	0.27	2.33	2.78	3.64	0.56	1.27	0.11	0.05
2012	0.04	0.07	0.00	0.02	1.28	0.36	1.51	2.73	1.59	0.85	0.00	0.01
2013	0.00	0.00	0.30	0.00	0.28	0.47	0.00	0.05	1.33	3.02	0.15	0.48
2014	0.46	0.17	0.03	0.41	0.58	0.31	0.60	0.43	0.87	0.26	0.16	0.20
2015	0.02	0.38	0.04	0.08	0.67	0.21	0.03	1.75	0.39	1.48	0.58	M
2016	M	0.02	M	0.05	0.80	0.46	1.17	0.94	1.20	11.84	0.72	0.08
2017	0.06	0.06	0.00	0.00	0.17	0.48	1.30	1.41	0.86	0.95	0.19	0.42
2018	0.03	1.64	32.58	0.00	0.21	0.47	0.61	1.00	0.18	0.66	0.76	0.04
2019	M	M	0.64	0.07	0.60	0.58	0.75	0.71	1.23	1.94	0.17	0.02
2020	0.00	0.00	0.02	0.09	0.11	0.25	0.30	0.07	0.01	0.00	0.05	0.00
2021	0.01	0.00	0.15	0.01	0.03	0.04	0.00	0.00	0.00	0.00	0.00	0.00
2022	0.00	0.02	0.00	0.00	0.00	0.03	0.00	0.00	0.00	0.00	0.00	M
2023	0.00	0.00	0.00	0.00	0.00	M	0.00	0.00	0.00	0.00	0.00	0.00
2024	0.00	0.05	0.00	0.13	0.02	0.00	0.00	M	0.00	0.02	0.00	0.00
NCEI Climatology	0.94	1.02	0.74	0.74	0.89	0.99	2.35	3.22	2.20	1.84	1.27	1.05

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	M	M	M	M	M
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	12.2	16.3	15.9	14.7	16.1	13.0	13.5	15.4	15.0	18.5	23.7
2011	22.3	24.0	15.3	16.0	12.6	12.7	14.0	13.4	16.6	11.1	18.3	21.2
2012	11.9	18.7	17.6	16.6	16.0	17.8	15.2	18.1	16.7	20.5	15.4	21.1
2013	20.6	20.2	15.2	16.9	21.0	19.3	18.9	13.2	14.1	16.0	18.3	19.1
2014	22.2	20.7	15.2	17.6	17.6	15.3	17.6	12.3	12.8	17.8	17.2	22.2
2015	19.7	19.6	16.7	16.2	16.1	19.5	14.9	16.4	16.4	15.7	17.6	21.5
2016	M	20.3	18.8	19.1	16.1	17.9	15.7	16.4	18.0	18.4	16.8	19.7
2017	19.5	18.6	15.8	16.7	14.0	16.0	16.7	17.0	14.0	15.8	22.7	24.2
2018	15.4	24.0	21.5	18.3	12.3	13.7	17.0	15.5	13.6	15.2	17.5	21.0
2019	M	M	24.6	19.4	14.8	13.3	17.7	15.5	13.5	16.1	18.4	22.7
2020	20.1	21.1	22.1	17.5	15.0	14.9	15.5	14.7	15.3	17.0	22.8	20.7
2021	20.7	20.7	22.0	15.9	15.6	15.6	20.1	15.8	12.7	15.5	17.1	36.8
2022	18.9	21.1	3.1	15.1	19.9	20.0	14.5	17.6	14.4	14.4	23.5	M
2023	16.2	20.0	25.3	13.9	16.4	M	14.8	16.2	12.8	16.0	16.8	19.5
2024	20.7	16.5	18.0	18.5	19.5	16.7	19.0	13.6	14.8	18.1	16.4	18.1
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
2008	M	M	M	M	M	M	M	M	M	M	8.13	14.97
2009	6.69	2.28	7.60	22.28	36.46	46.32	52.52	51.05	41.53	35.87	18.72	19.44
2010	-4.69	0.88	3.09	19.78	32.64	45.11	49.84	68.88	48.85	35.90	23.67	17.07
2011	14.55	14.87	18.26	18.62	36.58	46.98	50.05	48.98	45.61	35.70	18.70	14.41
2012	-9.84	4.00	-6.06	17.90	28.37	42.26	50.81	49.94	40.48	35.12	23.48	9.20
2013	12.40	-5.93	11.11	18.41	31.27	47.52	51.47	51.33	42.46	38.03	26.78	17.60
2014	18.87	15.45	12.52	24.64	35.76	42.55	50.56	56.45	49.13	34.64	31.29	17.74
2015	11.90	13.70	4.11	20.98	40.78	45.93	51.73	49.58	43.07	37.86	27.45	6.80
2016	M	11.86	4.92	22.56	38.67	49.47	52.43	52.30	45.81	43.54	26.79	21.95
2017	11.21	7.73	11.42	27.83	33.85	45.80	53.88	48.96	43.70	35.91	31.29	30.15
2018	13.39	26.76	20.90	29.15	35.41	47.38	53.83	52.80	52.60	42.95	29.50	13.23
2019	M	28.40	23.77	25.07	35.29	50.83	56.43	53.36	49.63	37.84	29.29	16.72
2020	-0.84	-5.53	19.79	25.37	37.23	46.23	48.65	51.29	45.07	41.22	28.67	16.96
2021	6.17	-1.46	12.37	22.97	33.29	43.70	49.19	49.35	42.51	32.99	20.22	17.00
2022	-0.47	-0.36	20.50	30.89	36.18	43.93	51.26	48.48	46.83	35.31	30.56	M
2023	12.47	-1.84	24.00	13.27	28.58	M	54.90	49.14	44.60	36.17	29.07	12.77
2024	25.25	13.21	8.46	23.67	31.30	42.87	47.84	46.91	44.01	34.68	25.00	M
NCEI Climatology	13.22	16.81	17.60	29.40	43.62	55.12	57.71	56.00	49.01	36.00	24.30	16.20

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	M	M	M	6.09	11.41
2009	-2.49	-11.60	-4.89	9.03	27.52	37.00	45.85	45.27	37.41	29.78	9.69	7.84
2010	-11.45	-6.74	-9.33	7.35	23.26	35.30	41.68	60.23	40.81	29.14	19.20	8.34
2011	2.47	1.72	3.19	5.26	26.57	38.45	43.33	43.21	40.68	29.29	8.38	2.83
2012	-18.84	-8.27	-15.37	8.76	21.59	34.77	44.10	44.75	36.04	29.80	12.76	1.34
2013	-0.83	-15.17	-3.22	3.68	24.23	37.00	44.35	44.27	36.60	32.88	16.74	9.74
2014	7.70	3.42	-2.76	12.85	29.36	37.13	44.00	47.76	42.03	29.68	21.79	7.13
2015	2.55	3.29	-9.03	7.74	30.89	38.50	44.89	43.37	37.90	32.51	20.33	-0.09
2016	M	2.50	-3.73	14.23	30.32	38.17	45.30	46.22	39.38	35.68	17.77	9.74
2017	1.72	-4.30	-4.90	16.59	26.90	38.59	46.10	43.13	37.25	28.32	22.66	22.65
2018	0.05	14.69	8.67	17.59	28.09	39.29	45.53	46.83	43.23	34.22	20.10	4.71
2019	M	28.40	13.52	17.13	30.49	41.09	49.27	47.03	43.33	30.83	20.19	6.13
2020	-10.37	-14.82	8.78	14.47	27.10	36.43	42.17	45.00	39.60	35.66	22.41	6.35
2021	-3.35	-12.54	-1.03	9.40	24.88	36.17	43.26	43.26	36.87	27.50	10.93	8.26
2022	-12.58	-8.26	16.50	19.63	26.59	36.11	43.45	41.60	40.89	28.08	23.09	M
2023	-4.01	-9.67	21.00	1.03	19.64	M	47.90	44.19	38.53	30.32	20.41	4.23
2024	10.42	0.25	-4.46	10.47	23.59	33.90	40.56	41.22	38.61	28.74	17.26	M
NCEI Climatology	-2.00	1.31	1.61	15.90	30.90	41.51	46.30	44.40	37.20	24.90	12.20	2.00

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	M	M	M	7.11	13.19
2009	2.10	-4.66	1.35	15.65	31.99	41.66	49.19	48.16	39.47	32.83	14.20	13.64
2010	-8.07	-2.93	-3.12	13.57	27.95	40.21	45.76	64.56	44.83	32.52	21.44	12.70
2011	8.51	8.29	10.73	11.94	31.57	42.72	46.69	46.10	43.15	32.50	13.54	8.62
2012	-14.34	-2.13	-10.72	13.33	24.98	38.52	47.46	47.35	38.26	32.46	18.12	5.27
2013	5.79	-10.55	3.95	11.04	27.75	42.26	47.91	47.80	39.53	35.45	21.76	13.67
2014	13.29	9.43	4.88	18.75	32.56	39.84	47.28	52.10	45.58	32.16	26.54	12.44
2015	7.23	8.49	-2.46	14.36	35.83	42.21	48.31	46.48	40.48	35.19	23.89	3.36
2016	M	7.18	0.60	18.40	34.49	43.82	48.86	49.26	42.60	39.61	22.28	15.84
2017	6.47	1.71	3.26	22.21	30.38	42.20	49.99	46.05	40.47	32.12	26.98	26.40
2018	6.72	20.73	14.79	23.37	31.75	43.33	49.68	49.82	47.91	38.58	24.80	8.97
2019	M	28.40	18.65	21.10	32.89	45.96	52.85	50.19	46.48	34.33	24.74	11.42
2020	-5.61	-10.18	14.29	19.92	32.16	41.33	45.41	48.15	42.33	38.44	25.54	11.65
2021	1.41	-7.00	5.67	16.19	29.08	39.94	46.23	46.31	39.69	30.25	15.58	12.63
2022	-6.53	-4.31	18.50	25.26	31.38	40.02	47.36	45.04	43.86	31.69	26.82	M
2023	4.23	-5.76	22.50	7.15	24.11	M	51.40	46.67	41.57	33.25	24.74	8.50
2024	17.83	6.73	2.00	17.07	27.44	38.38	44.20	44.07	41.31	31.71	21.13	M
NCEI Climatology	5.61	9.06	9.61	22.65	37.26	48.31	52.00	50.20	43.10	30.45	18.25	9.10

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	M	M	M	M	M
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	84.3%	75.1%	81.8%	85.4%	83.9%	86.4%	87.5%	79.9%	82.7%	80.9%	86.7%
2011	83.7%	83.8%	79.7%	84.6%	86.0%	88.8%	88.1%	87.9%	85.3%	81.6%	79.5%	86.4%
2012	79.1%	82.5%	78.5%	85.5%	87.8%	89.8%	87.9%	88.3%	84.2%	83.7%	79.7%	80.8%
2013	86.1%	79.6%	80.7%	83.9%	88.0%	89.9%	94.1%	92.9%	86.2%	94.3%	86.3%	92.3%
2014	94.0%	96.2%	88.0%	94.4%	94.2%	96.1%	96.2%	89.1%	83.3%	79.4%	83.9%	84.6%
2015	83.6%	87.1%	81.2%	86.3%	87.3%	83.1%	91.6%	89.4%	81.3%	86.3%	83.1%	82.9%
2016	M	86.7%	86.2%	89.6%	90.0%	87.6%	89.9%	90.0%	85.6%	78.7%	80.3%	81.2%
2017	86.6%	83.4%	84.6%	86.1%	89.6%	89.0%	91.6%	86.9%	84.5%	84.0%	81.8%	88.7%
2018	84.7%	85.0%	89.3%	85.1%	90.2%	87.4%	90.1%	86.3%	83.1%	82.5%	84.5%	88.2%
2019	M	M	89.9%	84.7%	93.4%	87.3%	88.2%	89.5%	86.2%	81.4%	81.5%	83.3%
2020	81.3%	79.8%	84.7%	89.0%	88.7%	87.3%	93.1%	90.9%	86.1%	85.0%	83.9%	84.1%
2021	86.2%	82.0%	86.9%	84.0%	90.2%	92.1%	93.1%	89.2%	84.1%	84.2%	83.0%	90.5%
2022	83.1%	81.7%	96.6%	89.4%	88.9%	91.3%	88.9%	91.7%	90.0%	78.9%	84.3%	M
2023	85.6%	83.4%	91.9%	83.0%	89.5%	M	93.8%	90.8%	88.1%	83.5%	85.5%	85.1%
2024	88.4%	87.2%	84.7%	89.5%	90.2%	91.0%	92.8%	85.9%	89.9%	82.9%	85.4%	M

Monthly Plots

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