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 (USC00391049) 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
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	1.83	0.03	0.01
2022	0.01	0.03	0.37	2.41	3.87	0.55	1.18	2.04	0.12	0.05	0.37	0.50
2023	M	0.01	0.19	0.57	1.07	1.24	0.44	0.59	0.22	0.51	0.33	0.38
2024	M	0.06	0.01	2.23	2.38	2.62	2.93	2.23	0.08	0.12	0.22	M
2025	0.01	0.09	0.03	1.10	0.16	0.10	0.03	0.02	0.13	0.07	0.13	0.02
2026	M	0.01	0.01	0.03	0.04	0.07	0.02	0.01	0.03	M	M	M
NCEI Climatology	0.66	0.67	0.87	1.96	3.04	4.13	4.41	2.50	2.56	2.15	0.69	0.66

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
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	10.9	10.5	10.6
2022	11.5	13.3	12.2	15.6	11.2	10.8	8.9	8.6	9.4	10.4	12.1	11.6
2023	8.7	12.1	12.1	12.9	11.2	8.3	7.7	7.9	7.3	10.5	9.8	10.2
2024	10.2	9.1	11.7	13.4	11.0	10.0	7.4	8.9	11.3	10.3	10.2	9.6
2025	10.7	9.7	11.9	12.2	11.6	9.4	8.0	7.6	8.1	12.0	10.1	11.2
2026	10.8	10.7	11.3	12.3	11.7	9.9	8.6	7.9	9.1	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
2009	M	M	M	M	M	M	M	68.00	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	54.55	43.57	26.28
2022	18.84	23.39	36.30	43.88	65.74	79.88	82.63	80.14	75.56	60.97	35.41	18.30
2023	19.64	24.00	26.30	44.54	74.45	82.64	80.86	80.25	75.86	56.33	45.08	37.63
2024	20.50	40.07	40.77	56.96	68.17	76.22	80.60	77.87	79.64	64.57	40.28	28.23
2025	21.78	19.14	48.78	55.88	70.09	76.94	81.06	79.32	75.62	62.95	43.82	27.47
2026	22.01	34.31	45.06	52.40	69.22	77.42	86.17	81.65	73.91	M	M	M
NCEI Climatology	20.40	25.48	38.69	54.70	68.40	77.90	82.50	80.99	72.70	57.29	39.30	25.60

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2009	M	M	M	M	M	M	M	68.00	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	35.41	24.61	9.11
2022	-5.80	-0.34	19.17	29.00	46.75	58.58	62.02	59.17	49.34	33.68	19.59	1.40
2023	4.70	3.47	7.40	27.92	50.46	59.00	54.82	46.75	48.50	36.12	22.28	20.85
2024	8.48	20.27	19.92	34.88	44.89	53.48	49.65	57.84	54.82	38.79	23.78	12.90
2025	0.53	-2.59	21.43	32.06	45.82	55.82	60.63	59.99	54.02	42.45	25.52	6.28
2026	4.13	16.83	23.12	31.88	45.35	56.96	64.69	58.30	55.14	M	M	M
NCEI Climatology	0.40	4.89	17.60	30.40	42.79	53.71	58.30	56.09	47.01	33.60	19.31	7.10

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2009	M	M	M	M	M	M	M	68.00	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	44.98	34.09	17.70
2022	6.52	11.53	27.73	36.44	56.24	69.23	72.33	69.65	62.45	47.33	27.50	9.85
2023	12.17	13.73	16.85	36.23	62.45	70.82	67.84	63.50	62.18	46.23	33.68	29.24
2024	14.49	30.17	30.35	45.92	56.53	64.85	65.13	67.85	67.23	51.68	32.03	20.56
2025	11.15	8.28	35.11	43.97	57.95	66.38	70.85	69.65	64.82	52.70	34.67	16.87
2026	13.07	25.57	34.09	42.14	57.29	67.19	75.43	69.97	64.53	M	M	M
NCEI Climatology	10.40	15.19	28.15	42.55	55.60	65.80	70.40	68.54	59.85	45.45	29.31	16.35

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
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	81.0%	78.2%	83.7%
2022	81.8%	79.2%	77.5%	82.4%	75.2%	65.9%	77.7%	80.1%	68.8%	61.0%	82.5%	87.5%
2023	97.0%	90.7%	94.3%	83.0%	64.6%	70.0%	72.6%	80.2%	79.0%	78.8%	75.4%	88.6%
2024	86.0%	85.6%	70.2%	63.5%	66.8%	64.8%	78.8%	81.0%	66.7%	62.5%	86.0%	88.7%
2025	80.3%	79.1%	67.0%	68.7%	63.3%	77.5%	84.2%	85.7%	82.0%	76.1%	77.8%	88.8%
2026	81.3%	84.5%	80.1%	74.2%	59.3%	73.3%	78.7%	78.4%	82.4%	M	M	M