IEM :: Monthly Summaries

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 (USC00154703) 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
2005	M	M	M	M	M	M	M	M	M	M	M	0.08
2006	0.18	0.39	0.00	0.94	0.20	0.01	2.85	0.09	1.15	0.29	0.39	0.76
2007	0.12	0.08	0.05	0.71	0.00	0.00	0.00	0.00	0.12	2.62	0.03	0.32
2008	0.06	0.25	0.19	0.30	0.18	0.02	0.00	0.00	0.00	0.00	0.00	0.18
2009	0.00	0.01	1.66	0.26	2.66	0.00	1.19	0.12	2.12	2.15	0.88	2.70
2010	1.05	1.38	1.57	3.23	9.25	2.14	3.83	1.86	0.74	2.19	0.20	0.09
2011	0.46	0.04	0.00	0.02	0.00	0.00	0.00	0.00	0.08	0.01	0.12	0.00
2012	0.00	0.00	0.00	0.00	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	0.00
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
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	3.51	4.26	4.73	4.63	4.86	4.34	4.23	4.08	3.27	4.00	3.38	4.69

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	3.3	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
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	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
2005	M	M	M	M	M	M	M	M	M	M	M	43.25
2006	50.92	45.93	56.22	72.07	74.89	82.09	86.52	87.17	72.27	63.60	57.34	51.54
2007	44.85	37.95	65.41	65.37	80.61	85.73	84.50	93.96	85.39	68.49	54.29	48.62
2008	40.34	44.63	55.83	65.06	73.41	84.79	84.48	86.13	81.96	69.39	53.38	45.62
2009	38.00	48.82	58.35	65.67	75.85	86.30	80.71	84.08	75.86	61.89	60.11	42.67
2010	35.87	35.58	54.44	71.43	76.63	88.31	88.55	89.94	84.37	73.06	57.77	35.47
2011	36.12	47.19	56.77	70.39	75.95	81.23	89.62	87.43	75.40	67.47	31.28	49.74
2012	48.13	51.38	71.60	70.78	82.18	86.88	95.00	88.24	78.83	66.23	55.34	51.09
2013	45.22	46.28	47.97	68.18	76.19	83.91	83.85	84.75	80.70	67.79	52.45	45.30
2014	38.29	41.07	54.52	70.80	78.58	85.07	84.98	86.63	80.42	68.40	48.66	45.80
2015	40.84	35.76	55.75	69.56	79.35	84.79	86.76	83.73	81.60	68.97	61.11	57.05
2016	41.76	47.85	62.77	70.23	73.40	87.21	89.09	88.59	83.92	76.10	60.34	44.04
2017	47.75	57.34	59.23	74.02	77.34	84.28	88.84	84.49	80.09	70.61	56.67	43.81
2018	39.53	53.49	53.02	62.32	84.76	88.05	87.53	88.52	87.24	M	45.13	M
2019	45.60	43.62	54.05	73.23	78.63	81.83	M	M	M	48.74	46.24	32.43
2020	36.14	35.13	51.91	41.77	59.08	73.81	81.46	75.04	57.47	67.32	57.01	39.31
2021	M	22.48	61.78	67.79	75.37	86.26	86.78	88.30	81.48	72.95	51.24	30.60
2022	41.40	40.78	48.19	52.95	M	M	M	M	M	M	M	M
2023	M	M	43.31	M	M	83.61	77.81	M	M	M	M	M
2024	M	57.16	39.21	61.97	M	M	M	M	M	M	M	M
2025	3.31	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	42.20	46.86	56.00	67.40	75.30	82.59	85.50	85.01	80.01	68.80	56.10	45.50

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	M	M	M	27.82
2006	33.56	27.54	36.65	50.34	52.57	61.27	67.22	68.16	56.32	43.56	38.26	32.06
2007	30.31	21.35	43.43	45.17	55.82	62.33	64.09	70.20	62.52	52.21	34.14	32.58
2008	23.81	28.52	35.34	44.07	51.67	65.21	69.47	63.62	59.92	44.96	33.50	27.76
2009	20.99	29.70	40.21	46.72	57.28	66.51	63.33	64.49	62.55	44.83	39.61	28.67
2010	21.25	22.91	38.45	46.73	58.67	68.89	68.68	67.89	58.21	44.78	36.08	22.65
2011	21.65	30.24	39.50	48.83	57.34	65.67	70.43	65.32	56.93	43.50	6.51	33.42
2012	27.81	31.55	47.65	47.26	58.57	60.25	69.82	63.63	56.72	44.91	32.14	35.26
2013	27.84	27.13	30.44	44.35	55.76	62.52	64.50	64.67	58.91	46.78	32.08	28.46
2014	16.50	22.61	30.19	46.16	55.38	64.72	61.63	66.07	57.15	46.31	31.08	32.29
2015	22.61	16.71	34.41	47.65	56.31	64.79	68.06	62.64	58.84	47.51	41.04	39.63
2016	22.52	29.69	42.07	45.67	53.51	64.33	69.05	69.20	60.16	51.67	39.97	27.82
2017	33.42	35.88	37.95	52.01	54.80	61.52	67.27	63.35	57.51	47.73	37.28	26.00
2018	21.42	34.87	34.68	39.56	61.81	66.07	67.36	66.80	66.34	M	44.95	M
2019	14.09	43.58	51.27	48.56	57.63	61.10	M	M	M	35.70	45.67	31.06
2020	34.76	28.01	38.85	37.27	58.69	70.46	78.81	70.36	55.78	57.34	52.67	33.36
2021	M	19.59	42.40	43.48	51.16	63.99	66.35	67.42	58.36	52.53	31.49	29.45
2022	41.40	39.26	36.32	49.77	M	M	M	M	M	M	M	M
2023	M	M	38.50	M	M	83.61	77.65	M	M	M	M	M
2024	M	57.16	30.29	60.84	M	M	M	M	M	M	M	M
2025	3.29	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	20.80	22.21	30.49	40.60	50.99	59.78	63.50	61.41	54.20	41.50	31.50	23.81

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	M	M	M	35.54
2006	42.24	36.74	46.43	61.20	63.73	71.68	76.87	77.66	64.30	53.58	47.80	41.80
2007	37.58	29.65	54.42	55.27	68.21	74.03	74.29	82.08	73.96	60.35	44.22	40.60
2008	32.07	36.57	45.59	54.56	62.54	75.00	76.97	74.88	70.94	57.17	43.44	36.69
2009	29.49	39.26	49.28	56.20	66.56	76.40	72.02	74.28	69.20	53.36	49.86	35.67
2010	28.56	29.24	46.45	59.08	67.65	78.60	78.61	78.91	71.29	58.92	46.93	29.06
2011	28.88	38.71	48.13	59.61	66.65	73.45	80.02	76.38	66.17	55.48	18.90	41.58
2012	37.97	41.47	59.63	59.02	70.37	73.56	82.41	75.94	67.77	55.57	43.74	43.18
2013	36.53	36.70	39.21	56.27	65.97	73.22	74.18	74.71	69.81	57.28	42.26	36.88
2014	27.40	31.84	42.35	58.48	66.98	74.90	73.31	76.35	68.78	57.35	39.87	39.04
2015	31.73	26.24	45.08	58.61	67.83	74.79	77.41	73.18	70.22	58.24	51.07	48.34
2016	32.14	38.77	52.42	57.95	63.45	75.77	79.07	78.90	72.04	63.88	50.15	35.93
2017	40.59	46.61	48.59	63.01	66.07	72.90	78.06	73.92	68.80	59.17	46.97	34.90
2018	30.48	44.18	43.85	50.94	73.28	77.06	77.44	77.66	76.79	M	45.04	M
2019	29.84	43.60	52.66	60.89	68.13	71.46	M	M	M	42.22	45.96	31.74
2020	35.45	31.57	45.38	39.52	58.89	72.13	80.14	72.70	56.63	62.33	54.84	36.34
2021	M	21.03	52.09	55.63	63.27	75.13	76.57	77.86	69.92	62.74	41.36	30.02
2022	41.40	40.02	42.25	51.36	M	M	M	M	M	M	M	M
2023	M	M	40.90	M	M	83.61	77.73	M	M	M	M	M
2024	M	57.16	34.75	61.40	M	M	M	M	M	M	M	M
2025	3.30	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	31.50	34.53	43.25	54.00	63.15	71.19	74.50	73.21	67.10	55.15	43.80	34.65

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
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	80.2%	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
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