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 (USC00163433) 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
2011	M	M	0.00	0.00	0.00	0.00	0.00	0.00	0.70	0.00	0.00	0.00
2012	0.00	0.00	4.23	4.22	2.25	0.00	0.00	0.00	0.00	0.00	0.00	1.71
2013	2.51	0.00	0.00	0.00	0.00	0.01	0.00	0.00	0.00	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	0.00	0.00	M	M	M	M	M
2017	M	M	M	M	M	M	0.01	M	M	M	M	M
2018	M	M	M	M	M	M	M	M	M	M	0.03	M
2019	M	M	M	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	0.91	7.39	11.51	3.21	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	5.58	4.31	4.66	4.37	5.09	6.87	9.19	7.64	6.62	4.34	3.48	4.68

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2011	M	M	9.2	11.9	11.1	8.6	6.4	7.1	8.3	10.0	11.2	10.8
2012	9.5	10.9	9.9	10.0	7.7	10.6	6.7	6.7	8.4	9.5	8.8	9.9
2013	10.4	10.0	10.0	11.1	9.5	7.9	8.5	7.8	8.4	9.2	12.0	9.8
2014	10.2	9.6	9.9	10.4	9.7	7.7	6.7	6.7	8.7	8.1	9.6	9.0
2015	10.3	11.4	8.4	9.2	9.7	8.0	7.8	7.7	8.0	10.9	11.1	10.3
2016	11.0	10.5	10.7	11.1	8.9	7.5	6.6	7.7	7.2	9.5	9.5	10.8
2017	10.6	8.8	10.8	11.4	10.2	10.1	6.7	8.8	8.0	11.3	8.8	9.8
2018	11.1	9.7	9.8	10.4	8.6	8.6	7.2	7.4	7.2	10.9	9.8	10.3
2019	10.0	11.0	9.5	11.3	10.2	9.0	7.7	6.9	8.6	9.8	9.5	10.4
2020	10.5	10.8	9.7	11.1	10.3	9.5	9.7	7.4	11.5	0.0	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
2011	M	M	68.00	78.44	80.72	88.52	87.68	91.63	84.39	76.65	72.14	64.86
2012	67.30	66.45	75.20	77.36	83.83	87.12	87.97	89.26	84.12	77.93	69.44	67.94
2013	65.45	68.45	66.20	73.34	79.15	87.53	86.35	86.68	86.54	79.15	68.19	63.65
2014	57.20	63.95	65.74	73.76	79.15	85.64	87.57	89.08	85.31	79.73	65.78	66.14
2015	60.22	60.16	72.65	78.38	82.11	87.08	90.06	88.73	84.44	78.45	73.87	70.50
2016	60.45	64.46	71.31	75.62	80.77	86.54	88.85	87.45	86.42	81.06	74.06	68.12
2017	67.54	70.67	72.12	77.36	79.85	83.93	87.86	88.03	84.80	79.52	75.09	65.43
2018	56.56	73.14	71.31	73.46	84.03	87.62	87.28	87.38	86.66	81.53	67.82	64.11
2019	61.21	68.45	68.00	74.00	81.76	87.50	86.90	86.72	87.62	80.54	67.40	64.75
2020	65.27	66.01	74.97	76.70	80.77	85.58	87.05	89.39	84.65	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	62.91	66.19	71.40	76.61	82.89	87.70	89.30	89.40	86.40	79.60	71.20	64.90

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2011	M	M	60.80	70.46	73.05	81.02	80.19	83.56	76.04	66.43	61.94	55.46
2012	57.08	57.57	67.13	68.60	77.31	81.84	80.14	81.05	78.02	69.16	59.18	56.68
2013	54.01	55.46	55.63	64.52	70.73	79.34	79.09	80.23	80.12	71.77	56.62	52.85
2014	43.44	52.06	55.81	65.00	71.19	77.84	78.80	81.06	78.59	70.73	54.98	57.49
2015	49.48	48.94	62.37	70.58	75.84	79.46	83.15	80.89	76.46	70.96	67.22	61.79
2016	50.41	54.41	63.82	68.06	73.69	79.10	81.70	79.90	78.74	73.40	65.00	57.49
2017	57.90	62.60	64.17	69.92	71.37	77.13	80.72	80.43	77.54	70.70	68.32	54.11
2018	44.72	63.95	61.44	63.50	76.19	79.82	79.26	79.70	79.22	74.10	56.90	55.34
2019	50.23	60.29	57.28	65.48	75.08	79.64	79.10	79.07	80.60	72.50	56.00	54.65
2020	56.39	55.34	67.42	67.70	73.57	78.92	79.44	80.53	79.25	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	44.79	48.50	54.60	60.60	68.19	74.00	75.60	75.60	72.30	62.80	52.20	47.40

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2011	M	M	64.40	74.45	76.88	84.77	83.94	87.60	80.21	71.54	67.04	60.16
2012	62.19	62.01	71.16	72.98	80.57	84.48	84.05	85.16	81.07	73.55	64.31	62.31
2013	59.73	61.96	60.92	68.93	74.94	83.44	82.72	83.46	83.33	75.46	62.41	58.25
2014	50.32	58.00	60.77	69.38	75.17	81.74	83.18	85.07	81.95	75.23	60.38	61.82
2015	54.85	54.55	67.51	74.48	78.97	83.27	86.61	84.81	80.45	74.71	70.54	66.14
2016	55.43	59.43	67.56	71.84	77.23	82.82	85.27	83.68	82.58	77.23	69.53	62.80
2017	62.72	66.63	68.15	73.64	75.61	80.53	84.29	84.23	81.17	75.11	71.71	59.77
2018	50.64	68.55	66.37	68.48	80.11	83.72	83.27	83.54	82.94	77.81	62.36	59.73
2019	55.72	64.37	62.64	69.74	78.42	83.57	83.00	82.90	84.11	76.52	61.70	59.70
2020	60.83	60.68	71.19	72.20	77.17	82.25	83.24	84.96	81.95	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	53.85	57.34	63.00	68.60	75.54	80.85	82.45	82.50	79.35	71.20	61.70	56.15

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
2011	M	M	68.2%	75.2%	74.6%	70.3%	74.2%	68.4%	69.4%	65.9%	74.4%	82.4%
2012	75.7%	81.6%	81.6%	71.2%	71.6%	69.9%	73.8%	71.9%	73.7%	68.3%	72.9%	77.4%
2013	82.5%	77.6%	67.6%	83.0%	76.3%	71.6%	75.8%	73.7%	72.3%	72.4%	77.0%	82.7%
2014	72.7%	83.9%	79.9%	79.9%	73.0%	76.0%	72.4%	70.7%	75.0%	69.3%	68.2%	81.4%
2015	77.4%	71.9%	81.9%	81.9%	76.4%	70.4%	68.8%	69.5%	74.5%	72.5%	82.2%	82.2%
2016	76.8%	69.7%	80.9%	74.5%	73.0%	73.1%	71.3%	76.5%	74.2%	69.6%	70.4%	80.8%
2017	77.7%	81.7%	77.3%	72.7%	73.2%	78.4%	72.6%	74.5%	69.9%	72.1%	78.4%	82.5%
2018	73.7%	87.7%	71.7%	72.9%	73.8%	73.2%	77.8%	75.9%	79.4%	79.1%	81.6%	84.2%
2019	78.4%	88.3%	78.2%	77.4%	82.7%	76.1%	83.3%	83.5%	79.6%	86.6%	84.2%	85.2%
2020	82.2%	82.6%	83.9%	72.6%	72.8%	74.8%	78.5%	71.0%	76.9%	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