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 (USC00218037) 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	0.00	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	M
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	M	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	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	M	M	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
NCEI Climatology	0.98	0.97	1.47	3.11	4.23	5.36	4.54	5.29	3.19	3.16	1.65	1.15

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	10.7	8.0	7.4	10.2
2005	8.0	7.5	7.8	8.4	9.0	8.1	8.8	7.0	8.6	7.2	8.8	5.9
2006	8.5	8.9	7.4	8.7	10.2	7.6	8.0	7.1	7.4	9.1	7.6	7.6
2007	8.6	7.4	8.6	9.6	7.3	6.6	7.6	6.5	10.0	8.8	9.4	6.6
2008	7.8	7.6	7.2	9.6	8.9	1.4	0.0	0.0	9.7	7.5	9.7	9.1
2009	6.6	9.0	7.5	9.0	10.2	6.9	7.7	7.6	6.2	7.5	6.7	7.7
2010	6.8	5.3	6.8	7.9	6.2	6.7	7.1	7.8	7.6	7.1	8.3	7.1
2011	6.9	7.9	8.2	9.2	7.8	7.3	7.7	M	M	M	M	M
2012	7.7	7.7	8.5	8.5	8.9	7.6	6.6	5.7	M	6.6	8.1	7.0
2013	8.5	7.8	7.1	8.9	M	M	M	7.9	8.4	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	M	M	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
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
2004	M	M	M	M	M	M	M	M	74.64	57.91	44.99	29.99
2005	23.29	33.32	39.99	59.76	63.24	80.33	84.11	79.81	74.50	61.17	44.80	22.85
2006	34.31	28.69	40.47	62.40	67.73	79.26	86.80	78.74	66.54	53.65	43.60	35.27
2007	26.22	20.77	45.60	55.98	68.13	81.84	80.67	79.04	73.34	61.90	41.22	23.77
2008	21.55	21.94	35.46	53.35	64.82	69.44	M	M	71.70	58.97	40.91	23.26
2009	16.90	29.33	38.76	56.38	68.82	73.02	75.20	76.11	74.83	49.25	50.10	24.21
2010	19.84	28.61	49.03	62.70	82.27	76.75	83.77	83.97	68.07	62.76	41.95	22.33
2011	16.43	27.00	31.59	50.82	66.25	76.57	81.12	M	M	M	M	M
2012	32.42	34.53	55.41	59.46	72.28	81.04	87.92	77.01	M	54.09	44.97	30.01
2013	23.68	26.50	34.00	46.26	M	M	M	87.92	75.88	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	M	M	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
NCEI Climatology	26.69	32.18	44.50	59.80	72.60	81.30	85.31	83.90	76.00	61.51	44.90	31.80

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	M	60.75	44.01	32.82	16.34
2005	8.69	18.11	21.72	42.86	50.09	65.88	68.52	65.06	60.06	44.69	30.72	12.37
2006	23.64	12.82	26.29	43.75	54.08	62.47	69.88	65.55	53.46	38.97	30.57	23.59
2007	13.13	5.85	28.35	37.74	54.92	67.35	67.50	65.87	58.08	48.72	29.06	11.03
2008	7.17	8.94	19.18	37.73	47.29	58.67	M	M	58.78	43.09	30.59	4.85
2009	0.99	12.69	23.23	38.76	51.48	58.88	61.52	62.36	58.60	39.33	35.59	13.81
2010	6.90	8.66	30.33	43.31	63.06	61.65	67.81	68.17	53.40	44.88	28.97	10.66
2011	2.61	9.69	17.66	37.11	49.70	59.64	68.83	M	M	M	M	M
2012	21.77	21.54	38.56	41.83	55.14	62.33	70.13	61.34	M	40.98	30.67	17.43
2013	7.64	11.39	17.81	33.07	M	M	M	71.30	57.75	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	M	M	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
NCEI Climatology	9.11	13.68	24.90	37.70	49.81	59.70	64.20	62.30	54.70	41.59	28.40	16.00

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	M	67.70	50.96	38.91	23.16
2005	15.99	25.72	30.85	51.31	56.67	73.10	76.31	72.43	67.28	52.93	37.76	17.61
2006	28.97	20.76	33.38	53.08	60.91	70.86	78.34	72.15	60.00	46.31	37.09	29.43
2007	19.67	13.31	36.97	46.86	61.53	74.59	74.08	72.46	65.71	55.31	35.14	17.40
2008	14.36	15.44	27.32	45.54	56.06	64.06	M	M	65.24	51.03	35.75	14.06
2009	8.95	21.01	31.00	47.57	60.15	65.95	68.36	69.23	66.71	44.29	42.84	19.01
2010	13.37	18.63	39.68	53.00	72.67	69.20	75.79	76.07	60.73	53.82	35.46	16.49
2011	9.52	18.35	24.63	43.96	57.98	68.10	74.97	M	M	M	M	M
2012	27.10	28.03	46.99	50.64	63.71	71.69	79.03	69.17	M	47.53	37.82	23.72
2013	15.66	18.95	25.91	39.66	M	M	M	79.61	66.81	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	M	M	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
NCEI Climatology	17.90	22.93	34.70	48.75	61.20	70.50	74.75	73.10	65.35	51.55	36.65	23.90

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	75.0%	78.9%	72.6%	75.2%
2005	84.1%	89.5%	76.9%	67.0%	77.4%	77.6%	75.1%	77.3%	78.3%	77.6%	78.6%	94.3%
2006	92.5%	78.2%	83.7%	66.7%	77.8%	71.8%	75.3%	86.6%	86.9%	78.3%	86.1%	90.1%
2007	91.1%	84.0%	84.0%	65.3%	72.1%	73.5%	81.0%	82.6%	82.7%	84.8%	77.2%	94.8%
2008	89.8%	87.8%	79.1%	79.2%	68.0%	89.1%	M	M	90.4%	82.5%	91.6%	93.6%
2009	87.7%	88.9%	86.2%	69.0%	67.4%	79.3%	85.4%	86.0%	87.7%	93.3%	88.2%	94.2%
2010	94.0%	87.7%	77.8%	66.5%	67.5%	88.9%	88.3%	89.3%	90.1%	82.6%	90.1%	95.7%
2011	96.3%	92.0%	92.6%	84.0%	82.8%	87.5%	88.9%	M	M	M	M	M
2012	97.6%	94.9%	93.7%	85.2%	88.1%	91.3%	94.4%	93.7%	M	94.8%	97.7%	97.8%
2013	97.6%	97.8%	95.2%	95.4%	M	M	M	94.5%	94.3%	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	M	M	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

Monthly Plots

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