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 (USC00415454) 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	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	0.29	M	0.11	0.09	0.33	0.49	1.53	0.20	0.35	0.09	0.17
2022	M	0.09	M	M	0.18	M	M	1.25	0.22	1.30	0.23	0.02
2023	0.24	0.51	1.07	M	2.35	0.37	M	1.24	0.38	1.53	1.02	0.12
2024	0.03	0.05	M	M	0.29	0.13	0.21	0.15	0.10	M	M	M
NCEI Climatology	1.74	1.93	2.15	2.32	3.38	2.99	2.06	2.10	4.06	3.42	1.91	1.64

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	8.1	6.3	7.9	8.3	8.0	8.2	7.2	6.6	6.1	6.3	5.5	5.3
2022	7.1	7.7	7.8	7.9	7.4	10.4	M	6.8	6.1	6.1	7.2	5.6
2023	6.2	7.4	7.5	7.6	6.7	6.6	8.5	6.9	6.4	6.8	5.2	4.9
2024	6.9	6.7	7.3	7.7	6.8	9.4	8.8	8.1	7.6	7.1	7.4	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	80.37	76.88	82.28	90.35	93.56	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	70.40	69.16	80.06	85.16	94.83	99.86	97.11	96.05	95.84	88.90	77.42	76.19
2022	66.55	68.45	79.16	92.06	100.05	90.05	M	91.85	91.16	82.52	71.18	67.81
2023	70.21	70.51	80.27	86.90	91.90	102.77	103.58	101.74	99.07	84.71	71.13	69.16
2024	65.42	75.31	79.58	89.83	100.06	103.57	99.71	101.26	94.07	90.71	84.43	M
NCEI Climatology	66.20	69.89	76.50	83.01	87.00	93.99	95.99	96.20	91.10	84.00	74.01	66.80

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2008	M	44.82	49.88	58.34	67.71	74.12	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	51.20	40.04	51.74	58.10	66.72	74.30	74.18	74.04	71.12	61.96	50.12	49.36
2022	38.39	39.01	48.74	63.02	70.38	77.00	M	72.27	69.08	57.78	45.74	43.17
2023	41.81	45.31	51.50	57.80	65.45	75.17	78.55	77.77	74.07	62.35	49.23	41.26
2024	36.52	46.10	51.29	60.60	71.23	77.03	76.45	78.10	71.71	65.84	57.31	M
NCEI Climatology	41.89	45.40	52.20	59.40	66.60	72.10	73.40	72.99	69.09	60.30	51.40	43.40

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2008	M	62.60	63.38	70.31	79.03	83.84	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	60.80	54.60	65.90	71.63	80.77	87.08	85.65	85.04	83.48	75.43	63.77	62.77
2022	52.47	53.73	63.95	77.54	85.22	81.50	M	82.06	80.12	70.15	58.46	55.49
2023	56.01	57.91	65.89	72.35	78.68	88.97	91.06	89.76	86.57	73.53	60.18	55.21
2024	50.97	60.71	65.44	75.22	85.65	90.30	88.08	89.68	82.89	78.27	70.87	M
NCEI Climatology	54.05	57.64	64.35	71.20	76.80	83.05	84.70	84.60	80.10	72.15	62.70	55.10

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	31.1%	45.1%	25.7%	30.2%	37.5%	37.7%	44.6%	49.2%	35.9%	34.3%	39.0%	37.5%
2022	30.1%	29.8%	18.4%	22.6%	23.1%	43.3%	M	60.5%	48.4%	46.4%	45.8%	44.4%
2023	29.9%	36.0%	35.7%	25.8%	41.2%	26.3%	29.9%	34.1%	34.6%	45.9%	57.6%	42.9%
2024	36.1%	30.4%	27.4%	20.5%	22.0%	35.3%	39.7%	33.2%	42.3%	31.9%	28.3%	M