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 (USW00024128) 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	M	M	M	M	M	M	M	0.00	M	M	0.00
2011	0.02	0.21	0.23	0.90	0.45	0.11	M	M	M	M	M	M
2012	M	M	M	M	M	0.00	3.50	6.10	2.00	0.00	5.90	2.50
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	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
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	0.96	0.74	0.87	1.00	1.13	0.50	0.16	0.12	0.39	0.66	0.76	1.02

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	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	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	59.65	81.29	92.42	89.31	81.36	66.58	64.60	37.19
2009	43.61	46.90	52.09	58.54	63.37	90.08	93.22	87.38	84.83	60.82	52.32	34.23
2010	41.55	46.51	52.24	56.06	59.85	77.99	89.94	85.91	70.40	M	24.20	36.57
2011	40.03	42.49	49.94	54.29	62.13	73.66	M	M	M	M	M	M
2012	M	M	M	M	M	83.45	90.27	92.73	83.79	67.67	54.27	39.55
2013	27.28	45.67	57.84	65.07	70.59	85.07	95.06	89.27	79.36	64.30	57.19	30.29
2014	48.03	51.32	57.00	62.53	72.59	85.23	96.94	87.47	82.57	74.41	53.30	45.84
2015	48.29	55.92	60.29	59.73	63.56	76.96	87.19	89.58	81.50	69.61	45.27	40.03
2016	39.29	52.24	55.41	64.48	69.84	85.13	90.61	88.29	78.07	65.06	55.53	36.70
2017	34.29	47.57	56.23	57.07	70.00	82.48	95.11	91.30	77.70	62.32	53.96	43.59
2018	50.35	44.70	46.48	65.92	70.79	83.01	95.14	89.36	83.08	64.03	47.80	37.43
2019	52.12	39.44	50.07	61.83	59.13	79.57	89.45	90.96	75.05	59.82	54.01	41.89
2020	M	M	M	M	M	M	M	83.40	84.70	70.65	51.00	42.40
2021	M	M	M	M	M	M	M	M	82.11	62.46	55.22	41.34
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	44.00	49.56	57.70	63.50	73.70	84.70	95.50	93.20	83.29	68.70	53.81	42.89

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2008	M	M	M	M	43.18	51.07	59.75	60.60	46.03	34.30	48.60	15.91
2009	23.69	25.96	27.94	32.03	43.84	38.83	60.68	52.00	45.74	32.12	22.59	14.93
2010	26.85	27.64	27.98	31.49	35.54	47.43	55.78	50.39	50.52	M	12.99	28.18
2011	20.62	19.52	30.46	31.51	36.99	44.35	M	M	M	M	M	M
2012	M	M	M	M	M	50.23	60.40	57.25	47.48	34.82	29.42	21.78
2013	3.44	21.67	26.50	36.79	40.66	52.52	62.61	56.77	49.46	28.37	30.38	7.18
2014	22.63	28.89	29.61	34.33	43.66	53.47	66.13	56.43	51.54	35.22	27.63	27.55
2015	22.97	28.04	30.04	30.80	45.70	59.04	57.81	55.45	46.10	40.52	24.20	22.68
2016	23.06	27.28	33.07	36.44	41.26	52.70	58.03	55.74	43.90	36.39	29.23	17.50
2017	19.13	29.50	31.71	35.00	41.81	51.52	33.75	58.50	44.97	29.32	29.72	16.10
2018	26.90	20.19	25.80	37.74	44.68	50.43	61.76	57.89	55.60	33.08	25.53	21.89
2019	27.56	23.05	29.29	38.38	42.50	49.18	59.20	56.11	44.46	25.38	23.54	26.73
2020	M	M	M	M	M	M	M	60.20	46.83	33.76	25.96	19.83
2021	M	M	M	M	M	M	M	M	45.39	36.74	29.13	20.17
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	20.51	23.96	27.48	31.60	39.10	46.11	53.51	50.00	41.00	30.10	23.40	18.51

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	51.41	66.18	76.08	74.96	63.70	50.44	56.60	26.55
2009	33.65	36.43	40.02	45.28	53.61	64.46	76.95	69.69	65.29	46.47	37.46	24.58
2010	34.20	37.08	40.11	43.77	47.69	62.71	72.86	68.15	60.46	M	18.59	32.38
2011	30.33	31.01	40.20	42.90	49.56	59.01	M	M	M	M	M	M
2012	M	M	M	M	M	66.84	75.33	74.99	65.64	51.24	41.84	30.66
2013	15.36	33.67	42.17	50.93	55.63	68.80	78.84	73.02	64.41	46.33	43.79	18.73
2014	35.33	40.11	43.31	48.43	58.12	69.35	81.53	71.95	67.05	54.81	40.47	36.69
2015	35.63	41.98	45.16	45.27	54.63	68.00	72.50	72.52	63.80	55.06	34.73	31.35
2016	31.18	39.76	44.24	50.46	55.55	68.92	74.32	72.02	60.98	50.73	42.38	27.10
2017	26.71	38.54	43.97	46.03	55.90	67.00	64.43	74.90	61.33	45.82	41.84	29.84
2018	38.63	32.44	36.14	51.83	57.74	66.72	78.45	73.63	69.34	48.55	36.67	29.66
2019	39.84	31.24	39.68	50.11	50.81	64.37	74.32	73.54	59.75	42.60	38.77	34.31
2020	M	M	M	M	M	M	M	71.80	65.76	52.20	38.48	31.12
2021	M	M	M	M	M	M	M	M	63.75	49.60	42.18	30.76
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	32.25	36.76	42.59	47.55	56.40	65.40	74.50	71.60	62.14	49.40	38.60	30.70

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	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