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 (USC00321435) 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
2010	M	M	M	M	M	M	M	M	M	M	0.00	0.00
2011	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	2.03	1.05
2012	2.56	6.16	2.85	0.24	1.81	1.48	5.79	0.27	0.10	6.92	6.39	3.91
2013	11.54	7.97	6.45	6.64	3.60	1.47	1.59	0.98	0.59	0.58	2.35	6.84
2014	3.74	1.00	7.28	1.36	0.93	2.42	1.51	0.79	0.85	0.44	2.65	0.78
2015	6.34	1.20	2.82	2.24	3.98	2.01	4.39	0.49	2.94	0.40	0.96	17.26
2016	0.65	3.31	1.42	2.39	1.65	2.75	3.88	1.96	3.48	0.29	1.44	39.72
2017	3.93	1.79	0.36	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
NCEI Climatology	0.34	0.36	0.71	1.11	2.87	3.77	3.44	2.25	2.31	1.66	0.72	0.50

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	M	13.0	10.6
2011	10.6	11.6	9.5	9.2	11.4	9.6	7.5	7.3	9.3	10.0	10.1	10.6
2012	11.3	8.7	9.8	10.5	10.6	8.2	6.3	6.8	8.8	10.6	9.4	8.9
2013	11.3	9.9	9.1	9.9	8.3	8.3	7.7	6.0	7.6	8.5	10.1	10.6
2014	12.0	11.7	11.0	10.3	9.7	9.8	8.7	6.3	8.6	10.5	11.4	10.2
2015	11.0	10.6	10.5	10.7	9.7	7.5	7.4	7.0	8.0	9.4	9.0	8.9
2016	9.9	10.4	9.3	11.6	10.0	8.9	7.1	6.2	8.0	9.2	8.9	12.4
2017	9.1	9.9	9.9	9.4	10.1	9.5	7.0	5.1	9.4	11.2	10.3	9.8
2018	10.8	9.3	8.3	10.1	8.6	8.1	7.4	6.7	7.9	8.8	9.0	9.2
2019	9.6	10.6	9.7	9.6	9.7	7.8	7.3	7.3	7.4	10.9	9.1	9.7
2020	9.2	9.8	10.4	9.2	10.0	9.5	7.1	6.2	9.7	10.0	9.8	9.3
2021	8.3	10.5	10.7	10.8	10.3	8.6	6.4	7.7	9.0	9.3	10.2	8.5
2022	11.0	9.7	10.8	11.9	11.0	9.5	7.7	6.6	8.2	9.2	11.3	10.4
2023	7.7	10.1	11.2	10.4	9.8	6.7	6.7	6.3	7.2	9.1	10.0	9.9
2024	9.9	9.6	10.8	9.8	9.9	10.0	6.4	4.3	5.9	9.1	9.3	10.6
2025	11.7	10.0	10.0	10.2	10.7	7.4	6.3	7.7	M	M	M	M
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
2010	M	M	M	M	M	M	M	M	M	M	18.57	14.52
2011	10.40	18.90	27.41	48.38	58.79	71.84	81.02	79.98	70.58	59.87	37.34	29.91
2012	25.50	28.71	46.05	56.00	66.90	76.70	82.98	78.74	69.74	47.68	30.98	15.80
2013	16.44	18.44	23.06	36.32	61.52	80.34	78.10	79.26	70.76	50.46	33.56	7.73
2014	13.13	10.08	25.67	43.64	63.18	72.84	76.77	76.36	68.60	55.46	27.08	23.35
2015	20.10	11.49	39.90	55.64	64.17	74.90	79.90	78.86	73.16	57.08	39.38	27.24
2016	16.90	26.10	40.83	47.24	70.09	74.36	77.81	77.33	68.84	52.70	47.06	18.99
2017	19.05	24.41	35.72	51.80	65.97	75.02	80.19	76.71	68.66	56.21	30.74	18.82
2018	17.66	12.82	31.77	45.80	74.45	79.28	80.60	80.19	63.32	46.52	24.86	22.71
2019	10.23	4.42	28.11	50.18	63.24	76.40	80.19	76.59	66.32	44.54	30.86	20.79
2020	17.77	21.57	33.51	45.80	63.06	77.78	80.43	78.97	68.42	46.23	40.16	30.37
2021	24.63	11.24	46.17	52.04	65.56	81.20	84.14	78.63	74.72	58.19	37.34	18.11
2022	12.72	11.94	30.43	38.36	62.37	76.88	79.32	79.09	70.22	55.81	32.24	14.23
2023	16.44	19.40	21.84	40.64	73.75	81.02	77.00	77.20	72.50	52.73	37.52	32.23
2024	18.82	30.82	33.34	55.34	64.75	72.92	81.01	76.94	76.76	60.34	37.10	22.48
2025	15.16	15.09	35.60	51.74	72.65	74.96	77.46	77.58	M	M	M	M
NCEI Climatology	13.19	18.16	30.71	49.30	64.49	73.60	77.51	77.40	68.20	51.79	33.60	19.51

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	M	5.42	2.91
2011	-4.87	3.20	15.43	32.06	41.35	54.26	60.50	57.20	46.10	37.92	22.32	13.13
2012	8.25	8.85	25.85	33.14	45.70	54.32	60.97	53.35	43.23	33.63	17.06	2.21
2013	-3.13	1.21	4.94	21.98	39.56	60.29	57.95	56.15	49.58	32.52	15.26	-6.85
2014	-8.47	-7.02	6.97	27.56	43.32	54.53	55.86	57.08	46.28	36.18	12.56	10.40
2015	2.74	-5.80	22.07	31.10	41.29	55.22	60.80	54.47	50.00	36.99	24.86	13.19
2016	2.68	10.59	25.90	30.50	45.88	54.80	58.71	55.33	48.80	37.02	31.88	5.17
2017	4.01	9.50	22.04	31.94	42.97	54.68	58.25	52.55	47.72	34.15	13.58	2.68
2018	2.10	-4.62	17.48	24.38	46.98	57.08	58.25	54.82	42.80	29.85	11.48	6.86
2019	-6.67	-11.33	9.99	30.92	38.50	52.40	57.26	53.60	47.78	32.64	17.48	3.95
2020	2.91	0.47	16.50	25.76	41.00	56.00	60.68	55.11	43.58	27.65	17.36	11.04
2021	7.26	-5.67	20.21	26.96	38.91	56.36	58.42	55.28	50.60	39.32	21.38	0.76
2022	-10.45	-10.69	13.30	25.34	43.73	54.56	60.05	57.66	47.18	34.79	18.02	1.17
2023	1.52	-2.71	3.61	24.32	49.13	59.48	54.65	56.20	50.60	36.18	22.76	16.32
2024	5.81	16.11	15.28	31.22	45.18	52.64	60.51	55.86	53.24	37.11	22.94	7.55
2025	-2.95	-3.68	18.47	31.64	45.53	53.00	57.03	56.26	M	M	M	M
NCEI Climatology	-4.30	-0.81	13.38	28.49	40.90	52.69	56.61	53.50	44.69	32.31	17.29	3.30

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	M	11.99	8.72
2011	2.76	11.05	21.42	40.22	50.07	63.05	70.76	68.59	58.34	48.90	29.83	21.52
2012	16.87	18.78	35.95	44.57	56.30	65.51	71.98	66.04	56.49	40.65	24.02	9.01
2013	6.65	9.82	14.00	29.15	50.54	70.31	68.03	67.71	60.17	41.49	24.41	0.44
2014	2.33	1.53	16.32	35.60	53.25	63.69	66.32	66.72	57.44	45.82	19.82	16.87
2015	11.42	2.85	30.98	43.37	52.73	65.06	70.35	66.66	61.58	47.04	32.12	20.21
2016	9.79	18.34	33.36	38.87	57.98	64.58	68.26	66.33	58.82	44.86	39.47	12.08
2017	11.53	16.96	28.88	41.87	54.47	64.85	69.22	64.63	58.19	45.18	22.16	10.75
2018	9.88	4.10	24.63	35.09	60.71	68.18	69.42	67.51	53.06	38.18	18.17	14.78
2019	1.78	-3.45	19.05	40.55	50.87	64.40	68.73	65.10	57.05	38.59	24.17	12.37
2020	10.34	11.02	25.00	35.78	52.03	66.89	70.55	67.04	56.00	36.94	28.76	20.71
2021	15.95	2.78	33.19	39.50	52.24	68.78	71.28	66.95	62.66	48.75	29.36	9.44
2022	1.14	0.63	21.87	31.85	53.05	65.72	69.68	68.38	58.70	45.30	25.13	7.70
2023	8.98	8.34	12.72	32.48	61.44	70.25	65.82	66.70	61.55	44.45	30.14	24.28
2024	12.32	23.47	24.31	43.28	54.96	62.78	70.76	66.40	65.00	48.72	30.02	15.02
2025	6.10	5.71	27.04	41.69	59.09	63.98	67.25	66.92	M	M	M	M
NCEI Climatology	4.44	8.68	22.05	38.89	52.70	63.15	67.06	65.45	56.45	42.05	25.44	11.40

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
2010	M	M	M	M	M	M	M	M	M	M	87.3%	84.5%
2011	83.5%	79.5%	83.8%	86.5%	89.6%	72.9%	70.8%	70.2%	68.1%	67.7%	72.3%	74.5%
2012	75.1%	77.7%	80.3%	59.4%	65.0%	70.4%	75.1%	67.8%	56.1%	78.9%	87.6%	82.7%
2013	76.7%	82.0%	76.2%	9.7%	M	67.6%	69.1%	71.7%	73.0%	73.4%	77.2%	77.9%
2014	76.1%	73.8%	75.3%	72.9%	69.6%	71.0%	71.3%	78.5%	75.5%	66.9%	72.7%	85.7%
2015	78.8%	74.0%	70.8%	58.7%	64.6%	69.7%	76.4%	72.2%	70.3%	71.7%	85.7%	84.1%
2016	82.4%	81.9%	77.8%	68.6%	55.8%	71.8%	78.5%	74.6%	76.1%	81.9%	80.9%	79.4%
2017	81.9%	79.6%	84.8%	69.3%	57.2%	60.4%	74.5%	73.9%	73.7%	71.1%	82.3%	78.9%
2018	79.4%	74.6%	91.4%	61.5%	56.1%	71.2%	72.1%	69.0%	72.6%	72.6%	83.3%	83.8%
2019	77.6%	76.4%	78.0%	69.0%	56.1%	61.4%	69.4%	70.6%	81.0%	80.9%	80.0%	81.4%
2020	81.7%	75.8%	79.8%	69.5%	60.6%	66.7%	74.5%	73.9%	64.3%	67.0%	74.6%	80.1%
2021	83.9%	71.9%	64.3%	58.2%	57.3%	58.2%	66.7%	72.9%	65.2%	77.8%	81.4%	79.3%
2022	80.9%	78.3%	80.5%	84.3%	76.8%	67.0%	80.1%	83.2%	76.3%	75.5%	86.4%	88.2%
2023	95.0%	84.0%	85.1%	88.2%	64.3%	77.6%	82.1%	84.5%	88.9%	89.1%	84.2%	94.0%
2024	93.4%	90.0%	79.4%	70.8%	77.1%	76.9%	86.1%	86.0%	81.1%	74.0%	93.9%	96.1%
2025	88.3%	80.3%	87.2%	77.6%	61.9%	78.1%	87.4%	88.1%	M	M	M	M

Monthly Plots

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