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 (USC00418728) 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
2009	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	2.41
2010	1.51	3.14	4.50	0.00	0.13	0.00	0.44	4.30	3.37	0.00	0.88	1.13
2011	1.44	0.00	0.00	0.00	0.00	0.00	0.69	0.95	1.71	1.86	1.16	2.50
2012	3.44	3.46	4.65	0.92	1.19	3.13	5.00	4.04	1.44	1.60	0.23	0.44
2013	2.72	0.80	0.36	0.08	0.05	20.26	50.21	20.03	24.17	35.80	1.49	25.37
2014	10.89	0.20	0.11	19.08	46.04	0.92	25.44	0.13	12.18	64.10	7.39	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
NCEI Climatology	3.94	3.14	3.64	3.62	4.30	5.67	3.76	4.95	5.30	5.21	4.42	3.27

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2009	M	M	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.2	3.9
2010	8.9	9.4	8.6	9.0	7.5	6.3	4.9	4.5	4.8	5.4	9.9	9.9
2011	8.5	11.4	10.0	12.8	12.1	9.4	6.6	6.6	7.0	6.6	8.9	8.5
2012	8.4	9.1	8.7	8.7	6.7	6.2	5.0	5.6	5.0	6.1	4.9	7.8
2013	8.4	8.0	9.4	9.4	9.3	5.4	6.2	6.3	6.6	6.7	8.7	7.8
2014	8.9	10.4	9.3	10.0	9.5	8.6	5.4	7.1	6.2	6.7	8.4	8.0
2015	6.3	8.9	7.9	8.3	9.2	6.1	7.2	5.5	5.0	7.5	4.5	7.6
2016	7.0	7.8	9.1	7.2	6.8	4.7	6.5	4.6	4.2	4.6	6.8	9.0
2017	8.9	9.7	9.5	9.4	9.2	7.7	6.1	7.8	5.4	6.4	6.9	7.6
2018	7.4	9.0	9.3	8.9	7.2	7.2	5.4	6.3	5.0	7.3	7.5	7.7
2019	7.4	8.6	8.3	8.8	8.9	6.1	5.9	5.1	5.8	7.2	7.6	6.9
2020	7.5	8.8	9.0	8.3	8.3	7.1	7.4	6.2	7.7	6.3	6.2	6.9
2021	7.3	7.8	8.9	9.2	9.0	6.1	4.6	4.6	5.2	5.5	5.7	7.9
2022	7.5	8.4	9.1	10.2	9.1	6.6	7.2	5.8	3.2	5.6	7.2	6.2
2023	7.5	3.3	9.7	9.5	5.7	8.0	7.3	7.3	6.0	7.7	6.8	6.7
2024	8.8	9.0	7.7	9.4	8.2	6.8	5.4	4.3	6.0	6.2	6.6	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
2009	M	M	M	M	M	M	M	M	M	M	54.00	57.76
2010	58.13	56.04	68.93	78.14	88.38	91.34	90.47	96.10	89.24	84.37	73.34	65.74
2011	59.93	65.94	76.19	85.70	88.38	96.74	97.03	101.04	94.64	81.88	74.12	62.89
2012	68.06	66.01	75.90	82.16	87.10	93.32	90.30	93.32	88.64	81.30	75.56	69.39
2013	63.88	67.74	72.35	75.92	83.68	93.26	93.66	96.05	92.78	81.35	66.98	59.00
2014	60.10	61.14	67.25	77.72	82.92	89.78	91.69	93.20	87.68	83.33	66.38	63.24
2015	55.33	62.47	69.57	79.10	83.85	88.76	94.13	93.78	87.50	83.27	73.02	68.93
2016	62.31	70.73	75.95	79.34	83.27	89.96	94.30	91.52	90.44	86.70	76.58	65.27
2017	68.46	75.46	77.29	81.68	86.00	90.08	95.06	90.68	89.12	82.98	77.72	62.76
2018	60.86	69.61	78.12	77.37	90.90	73.00	84.84	95.17	87.26	80.48	67.40	64.11
2019	63.01	66.91	71.54	79.70	86.23	90.56	93.95	97.32	93.38	82.05	69.68	68.00
2020	67.01	66.76	78.92	79.40	86.75	90.44	93.32	95.52	87.26	81.94	77.18	66.32
2021	64.86	59.71	74.97	77.90	83.68	90.50	93.84	96.86	92.66	87.63	74.30	76.54
2022	63.53	63.18	74.39	83.18	90.99	97.04	99.76	95.06	90.44	82.86	70.16	67.13
2023	68.23	70.76	75.83	79.70	85.70	94.94	97.97	99.20	97.52	82.64	70.58	67.83
2024	60.45	71.48	74.91	81.38	87.86	92.13	90.82	95.58	91.76	89.19	80.39	M
NCEI Climatology	64.09	68.31	74.09	80.79	86.90	91.60	94.20	94.40	89.90	83.30	72.59	65.90

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2009	M	M	M	M	M	M	M	M	M	M	45.00	39.88
2010	38.04	39.07	47.79	59.06	68.00	74.30	75.32	75.08	70.34	55.05	49.22	42.05
2011	38.97	42.48	53.43	61.40	66.43	72.62	74.85	75.49	68.48	57.72	50.42	44.95
2012	45.35	50.99	58.01	61.46	66.84	71.78	73.98	74.10	66.98	58.13	46.88	45.06
2013	44.31	46.01	46.57	55.10	64.81	72.02	72.12	72.76	71.30	60.74	47.18	40.07
2014	36.99	44.86	47.33	57.80	63.41	73.40	73.63	73.54	71.00	60.28	45.38	46.27
2015	39.34	40.87	51.05	62.90	68.29	72.32	73.86	72.65	68.72	60.16	55.32	48.20
2016	40.07	45.53	54.53	59.66	66.14	72.92	74.97	74.27	71.30	60.57	54.62	49.36
2017	48.95	54.50	57.20	59.60	64.40	71.96	74.10	74.42	68.78	58.25	54.32	47.05
2018	36.76	52.12	55.83	55.21	70.60	57.47	63.53	74.15	73.34	63.06	48.68	45.88
2019	42.28	50.39	51.51	58.82	70.21	72.62	74.62	76.13	73.40	60.51	48.38	44.25
2020	47.45	45.16	61.38	59.66	66.72	72.02	76.25	74.33	70.64	59.93	54.44	43.55
2021	44.31	41.77	52.96	58.34	68.00	74.72	74.91	75.66	68.36	63.70	49.52	57.72
2022	39.43	38.49	49.01	62.78	70.96	74.42	76.54	75.78	68.60	57.84	51.80	47.68
2023	48.61	50.32	55.79	61.47	67.82	74.54	77.23	71.00	73.76	62.24	51.26	46.52
2024	39.55	50.43	56.91	63.92	71.60	75.53	75.03	76.07	70.94	62.14	58.31	M
NCEI Climatology	42.90	48.11	54.00	59.70	68.00	74.21	76.00	76.01	71.10	61.80	52.61	45.00

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2009	M	M	M	M	M	M	M	M	M	M	49.50	48.82
2010	48.08	47.56	58.36	68.60	78.19	82.82	82.89	85.59	79.79	69.71	61.28	53.89
2011	49.45	54.21	64.81	73.55	77.41	84.68	85.94	88.26	81.56	69.80	62.27	53.92
2012	56.71	58.50	66.95	71.81	76.97	82.55	82.14	83.71	77.81	69.71	61.22	57.23
2013	54.09	56.88	59.46	65.51	74.24	82.64	82.89	84.40	82.04	71.05	57.08	49.54
2014	48.55	53.00	57.29	67.76	73.17	81.59	82.66	83.37	79.34	71.80	55.88	54.76
2015	47.34	51.67	60.31	71.00	76.07	80.54	84.00	83.21	78.11	71.72	64.18	58.56
2016	51.19	58.13	65.24	69.50	74.71	81.44	84.64	82.89	80.87	73.63	65.60	57.32
2017	58.71	64.98	67.25	70.64	75.20	81.02	84.58	82.55	78.95	70.61	66.02	54.91
2018	48.81	60.86	66.98	66.29	80.75	65.23	74.18	84.66	80.30	71.77	58.04	54.99
2019	52.64	58.65	61.53	69.26	78.22	81.59	84.29	86.73	83.39	71.28	59.03	56.13
2020	57.23	55.96	70.15	69.53	76.74	81.23	84.78	84.93	78.95	70.93	65.81	54.94
2021	54.59	50.74	63.96	68.12	75.84	82.61	84.37	86.26	80.51	75.66	61.91	67.13
2022	51.48	50.84	61.70	72.98	80.98	85.73	88.15	85.42	79.52	70.35	60.98	57.40
2023	58.42	60.54	65.81	70.59	76.76	84.74	87.60	85.10	85.64	72.44	60.92	57.17
2024	50.00	60.96	65.91	72.65	79.73	83.83	82.92	85.83	81.35	75.66	69.35	M
NCEI Climatology	53.50	58.21	64.05	70.25	77.45	82.90	85.10	85.20	80.50	72.55	62.60	55.45

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
2009	M	M	M	M	M	M	M	M	M	M	93.1%	78.4%
2010	77.8%	78.4%	74.1%	77.0%	76.1%	82.4%	87.6%	78.0%	84.8%	69.1%	77.8%	72.6%
2011	76.3%	75.6%	74.0%	66.4%	68.0%	69.5%	75.4%	68.3%	66.6%	75.2%	79.4%	88.8%
2012	81.7%	83.5%	84.0%	78.3%	77.7%	76.8%	86.4%	82.2%	82.5%	78.5%	74.0%	77.3%
2013	81.5%	73.2%	68.7%	80.4%	78.9%	74.9%	73.7%	72.4%	75.2%	80.2%	80.0%	85.1%
2014	71.0%	82.2%	86.3%	81.5%	83.0%	84.9%	82.6%	80.0%	92.7%	85.3%	64.3%	82.4%
2015	78.3%	79.3%	82.8%	82.4%	82.9%	80.3%	75.7%	73.8%	80.5%	73.4%	81.7%	81.6%
2016	76.0%	68.5%	78.0%	77.6%	81.7%	81.9%	76.8%	82.1%	81.5%	74.9%	77.0%	77.6%
2017	74.9%	76.4%	77.1%	75.6%	73.4%	79.9%	75.7%	80.3%	77.3%	72.6%	77.4%	82.5%
2018	70.2%	86.5%	71.8%	72.7%	77.9%	78.3%	76.1%	74.8%	87.3%	85.1%	81.3%	77.5%
2019	78.3%	83.8%	73.9%	75.7%	81.1%	79.7%	75.7%	75.1%	77.2%	77.3%	79.3%	74.1%
2020	81.1%	78.6%	82.3%	79.1%	77.3%	77.2%	80.9%	74.4%	82.2%	79.8%	76.6%	79.4%
2021	76.2%	82.1%	75.4%	76.0%	83.4%	82.2%	81.6%	79.6%	76.0%	74.9%	79.5%	84.3%
2022	70.4%	75.6%	68.4%	73.1%	75.0%	70.5%	69.4%	76.0%	64.7%	67.1%	80.6%	76.9%
2023	68.1%	78.2%	72.4%	73.8%	79.4%	75.4%	72.1%	45.1%	67.1%	73.0%	78.8%	75.0%
2024	77.5%	75.8%	81.0%	79.7%	86.2%	82.0%	85.6%	79.1%	77.3%	68.5%	78.2%	M

Monthly Plots

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