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 (USW00063868) 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
2010	M	M	M	M	M	M	M	M	M	0.00	0.00	0.00
2011	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2012	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2013	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	3.51	3.35	0.05	0.52	1.89	2.53	1.97	0.48
2026	M	1.14	3.12	3.72	2.86	1.90	3.61	3.39	0.98	2.22	3.66	M
NCEI Climatology	5.00	5.68	5.52	4.85	4.93	4.33	5.04	3.71	4.03	3.70	4.22	5.51

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	2.4	8.0	7.9
2011	7.1	8.7	8.0	9.4	6.8	6.0	3.2	2.9	4.3	4.6	7.4	5.2
2012	7.0	6.6	6.8	6.0	3.5	4.3	3.8	3.1	3.4	5.3	3.7	6.8
2013	6.4	6.9	7.5	6.1	5.5	4.5	3.8	3.1	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	7.8	5.8	6.2
2025	5.7	6.6	7.9	7.0	5.2	3.3	3.1	3.0	3.0	4.8	4.7	5.6
2026	M	6.4	7.3	5.7	4.4	4.1	3.3	3.3	2.6	3.4	4.7	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
2010	M	M	M	M	M	M	M	M	M	77.60	63.39	49.30
2011	45.26	57.46	61.98	75.20	79.55	91.88	90.82	90.41	79.22	72.01	63.56	58.59
2012	59.99	58.38	73.75	76.58	82.88	88.28	90.41	85.94	81.32	70.96	62.12	57.49
2013	52.67	52.64	55.98	69.44	75.84	87.08	84.78	85.00	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	78.80	66.26	53.89
2025	45.76	57.39	66.98	75.08	74.77	85.45	93.65	86.46	84.69	73.11	62.15	39.80
2026	M	59.85	71.43	74.20	78.10	84.92	84.03	90.12	91.40	78.28	67.70	M
NCEI Climatology	50.71	55.41	63.40	72.31	79.60	86.20	88.81	88.10	83.40	73.08	61.70	53.40

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	51.80	40.89	31.70
2011	27.88	35.15	42.24	51.60	56.97	68.00	71.02	67.65	54.50	43.26	40.46	33.45
2012	33.74	36.03	50.81	51.02	60.44	62.66	70.90	66.20	57.14	46.75	33.38	38.85
2013	36.41	34.12	35.08	46.76	55.46	65.78	67.88	68.50	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	60.80	46.34	35.31
2025	26.08	35.60	41.66	54.32	59.86	67.61	73.85	65.91	60.47	50.23	43.96	31.40
2026	M	39.09	47.45	66.20	57.26	66.20	73.74	68.52	65.24	49.83	46.25	M
NCEI Climatology	31.31	34.52	41.40	48.50	57.89	65.80	70.10	68.41	61.20	49.50	38.80	34.40

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	64.70	52.14	40.50
2011	36.57	46.30	52.11	63.40	68.26	79.94	80.92	79.03	66.86	57.64	52.01	46.02
2012	46.86	47.21	62.28	63.80	71.66	75.47	80.66	76.07	69.23	58.85	47.75	48.17
2013	44.54	43.38	45.53	58.10	65.65	76.43	76.33	76.75	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	69.80	56.30	44.60
2025	35.92	46.50	54.32	64.70	67.31	76.53	83.75	76.19	72.58	61.67	53.05	35.60
2026	M	49.47	59.44	70.20	67.68	75.56	78.89	79.32	78.32	64.05	56.97	M
NCEI Climatology	41.01	44.96	52.40	60.40	68.75	76.00	79.45	78.25	72.30	61.29	50.25	43.90

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
2010	M	M	M	M	M	M	M	M	M	59.8%	81.2%	71.4%
2011	75.8%	68.2%	72.5%	69.4%	71.4%	67.8%	76.1%	74.0%	77.6%	71.1%	75.0%	81.8%
2012	75.3%	73.6%	66.6%	65.4%	71.8%	60.4%	74.8%	78.6%	76.8%	73.5%	72.1%	80.4%
2013	80.9%	70.5%	68.8%	72.6%	75.0%	74.3%	80.2%	87.8%	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	74.7%	71.4%	72.6%
2025	67.6%	67.8%	56.1%	65.2%	79.6%	80.9%	72.1%	74.4%	73.3%	73.4%	72.6%	84.2%
2026	M	66.7%	66.4%	57.8%	75.1%	76.7%	79.8%	76.2%	69.8%	69.9%	78.3%	M