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 (USC00356820) 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
2003	M	M	M	0.00	M	3.00	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	M
2007	M	M	M	M	M	M	M	M	M	M	M	M
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	0.00
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	M	M	M	M	M	M	M	M
NCEI Climatology	9.37	7.78	7.88	5.42	2.90	1.31	0.29	0.32	1.13	3.76	7.93	10.82

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	0.9	1.0	1.7	1.4	1.3	1.5	1.8	1.5	1.1	0.9	1.0	1.1
2005	1.1	1.2	1.4	1.2	1.3	1.2	1.4	1.7	1.1	0.9	1.3	1.4
2006	M	M	0.0	0.0	0.2	1.2	1.5	1.4	1.2	1.1	0.7	1.4
2007	1.1	0.8	1.0	1.1	1.4	1.3	1.4	1.2	1.0	0.8	1.1	1.0
2008	1.1	0.9	0.8	1.0	1.2	1.3	1.5	1.3	1.1	0.7	0.8	0.9
2009	1.3	0.8	0.9	1.0	1.1	1.2	1.8	1.3	1.2	0.6	0.9	1.1
2010	0.6	0.8	0.8	0.9	1.0	1.2	1.4	1.4	0.7	0.8	0.6	0.8
2011	1.0	0.7	0.7	0.8	0.9	1.1	1.1	1.2	1.1	0.6	0.6	1.1
2012	1.0	0.7	0.9	0.8	1.1	1.0	1.5	1.3	1.0	0.7	0.7	0.6
2013	0.9	0.6	0.7	0.8	1.1	0.6	1.4	1.2	M	M	M	M
2014	M	0.2	0.7	0.8	0.9	0.9	1.2	1.2	0.7	0.6	0.7	0.6
2015	0.6	0.7	0.7	1.7	1.9	2.1	2.1	2.1	1.7	1.3	1.1	1.2
2016	1.1	1.1	1.5	1.5	1.7	2.2	1.9	1.9	1.6	1.2	1.2	1.2
2017	1.2	1.4	1.5	1.6	1.9	1.8	2.1	1.9	1.6	1.3	1.3	1.2
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	1.2	0.9	1.1	1.2	1.4	1.4	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
2003	56.33	52.47	57.41	55.31	76.11	79.95	83.61	79.70	77.33	67.49	49.61	49.91
2004	48.97	51.99	59.17	66.93	67.35	72.52	79.97	82.01	71.25	62.90	53.81	50.31
2005	50.58	56.01	55.92	59.86	66.96	69.41	81.49	82.39	74.71	63.86	52.32	49.20
2006	46.60	43.52	41.74	60.70	71.28	76.78	82.55	81.00	76.81	64.07	49.29	49.81
2007	46.92	50.80	59.68	61.61	70.09	72.64	80.05	78.84	72.01	61.91	53.25	46.94
2008	44.83	52.63	52.94	57.12	67.95	71.85	81.73	78.37	78.79	64.51	54.97	45.30
2009	51.97	51.91	51.84	56.50	60.13	72.69	83.82	79.55	77.14	62.12	53.32	48.46
2010	53.29	54.90	56.16	57.16	62.26	69.55	80.53	78.62	74.46	64.31	52.23	49.11
2011	51.47	49.01	52.96	54.94	60.97	70.91	77.16	79.28	79.79	63.65	53.07	47.03
2012	50.65	51.14	52.00	59.84	67.80	68.54	75.79	80.13	76.76	64.43	55.27	46.92
2013	47.11	51.08	57.59	62.65	67.02	66.61	77.46	76.59	M	M	M	M
2014	M	55.10	58.86	64.80	70.36	74.49	82.18	82.40	78.77	69.58	56.28	52.04
2015	53.54	57.37	63.51	62.07	68.52	80.55	83.72	80.69	73.90	70.35	51.75	48.68
2016	50.53	57.02	57.48	66.69	69.64	76.08	78.00	83.75	74.68	60.99	55.90	44.29
2017	45.55	50.60	56.44	59.11	69.95	73.44	81.08	84.71	75.66	63.52	53.56	48.94
2018	52.73	51.93	55.52	61.82	70.17	76.68	85.63	81.51	76.54	68.67	55.39	48.62
2019	50.62	44.86	57.98	63.67	70.03	78.02	79.42	82.41	71.67	63.60	55.76	49.34
2020	49.84	51.11	55.58	65.25	69.80	73.73	82.76	80.00	80.80	69.03	53.06	46.03
2021	50.60	50.64	55.77	67.62	70.54	79.47	84.38	81.10	76.04	61.68	55.92	44.68
2022	51.72	54.48	58.63	58.08	65.21	74.47	81.84	84.44	78.39	70.23	50.13	45.50
2023	47.98	47.85	49.67	58.66	71.61	76.62	84.33	86.58	75.19	65.09	54.18	52.42
2024	52.10	52.26	55.74	60.08	71.40	76.99	88.27	80.18	78.47	68.42	51.42	50.84
2025	49.95	51.61	57.81	66.60	71.54	79.71	85.67	M	M	M	M	M
NCEI Climatology	53.90	56.64	59.41	62.71	67.90	72.69	78.60	80.40	79.40	69.99	57.81	51.60

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	43.71	38.09	42.29	40.73	49.10	50.30	53.46	53.85	51.35	47.46	40.30	39.79
2004	40.47	38.55	42.07	42.47	47.76	52.45	54.14	55.85	51.14	46.16	39.83	39.29
2005	38.28	38.44	40.37	42.65	48.67	50.62	54.94	52.74	47.36	46.78	40.40	39.82
2006	43.78	42.05	39.90	41.13	45.75	53.11	53.54	50.79	49.32	42.89	43.89	38.24
2007	33.35	38.09	40.54	40.87	45.09	48.18	56.21	52.76	48.65	44.51	39.95	37.12
2008	34.46	36.29	36.47	38.21	46.96	47.87	52.01	53.86	48.49	45.65	44.04	35.94
2009	37.67	37.50	37.51	41.91	46.93	51.47	58.61	53.11	51.07	44.49	38.93	36.88
2010	42.62	41.01	38.37	39.19	43.99	50.97	52.33	53.80	52.87	46.63	41.01	39.19
2011	38.70	35.87	39.96	39.47	43.67	49.37	53.28	53.79	51.41	46.77	40.24	34.42
2012	37.73	37.46	36.96	43.70	45.15	49.32	55.15	53.92	49.51	45.75	44.05	38.76
2013	34.99	37.23	40.36	42.81	49.33	61.68	56.49	54.40	M	M	M	M
2014	M	47.30	40.42	42.29	48.39	50.39	55.57	55.91	52.19	50.73	43.92	43.21
2015	41.18	42.56	42.72	40.10	48.81	51.94	55.84	55.85	49.87	49.38	40.26	40.01
2016	39.34	41.87	41.47	45.18	48.48	50.64	54.94	52.98	49.98	48.70	44.65	35.38
2017	34.75	39.57	41.51	42.12	46.94	52.14	53.51	55.99	53.94	44.97	41.77	37.40
2018	41.17	36.17	37.56	41.68	48.92	49.14	53.10	55.56	48.25	45.52	41.94	37.41
2019	37.83	34.00	37.05	45.00	47.32	49.44	55.56	55.16	53.25	42.57	40.54	36.79
2020	32.79	32.33	32.34	33.10	34.05	36.69	34.20	34.14	34.25	33.50	32.54	32.63
2021	32.67	32.48	32.28	32.65	33.34	34.02	34.35	34.25	33.74	33.36	33.08	32.61
2022	32.55	31.87	32.85	32.66	43.55	51.41	56.28	56.25	54.10	49.70	36.51	37.07
2023	36.99	33.18	34.94	41.14	48.87	50.36	54.26	56.75	51.34	48.67	42.44	42.99
2024	42.73	40.39	38.57	42.54	44.82	50.16	55.97	54.17	53.35	46.93	40.65	39.82
2025	36.02	37.36	40.10	42.73	46.27	51.16	54.44	M	M	M	M	M
NCEI Climatology	37.40	37.62	39.10	41.20	46.00	49.90	53.00	52.40	48.59	43.41	40.51	36.61

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	50.02	45.28	49.85	48.02	62.60	65.12	68.53	66.78	64.34	57.48	44.95	44.85
2004	44.72	45.27	50.62	54.70	57.56	62.48	67.06	68.93	61.19	54.53	46.82	44.80
2005	44.43	47.22	48.15	51.26	57.82	60.01	68.22	67.57	61.04	55.32	46.36	44.51
2006	45.19	42.79	40.82	50.92	58.51	64.95	68.05	65.90	63.06	53.48	46.59	44.03
2007	40.13	44.45	50.11	51.24	57.59	60.41	68.13	65.80	60.33	53.21	46.60	42.03
2008	39.65	44.46	44.70	47.66	57.45	59.86	66.87	66.11	63.64	55.08	49.51	40.62
2009	44.82	44.71	44.67	49.21	53.53	62.08	71.21	66.33	64.10	53.31	46.13	42.67
2010	47.95	47.96	47.27	48.18	53.13	60.26	66.43	66.21	63.66	55.47	46.62	44.15
2011	45.09	42.44	46.46	47.21	52.32	60.14	65.22	66.53	65.60	55.21	46.66	40.72
2012	44.19	44.30	44.48	51.77	56.48	58.93	65.47	67.03	63.13	55.09	49.66	42.84
2013	41.05	44.15	48.98	52.73	58.17	64.15	66.97	65.49	M	M	M	M
2014	M	51.20	49.64	53.55	59.37	62.44	68.88	69.16	65.48	60.15	50.10	47.62
2015	47.36	49.97	53.12	51.09	58.67	66.24	69.78	68.27	61.88	59.87	46.00	44.34
2016	44.94	49.44	49.47	55.94	59.06	63.36	66.47	68.37	62.33	54.85	50.28	39.83
2017	40.15	45.08	48.97	50.62	58.44	62.79	67.30	70.35	64.80	54.24	47.67	43.17
2018	46.95	44.05	46.54	51.75	59.55	62.91	69.37	68.53	62.40	57.10	48.67	43.01
2019	44.22	39.43	47.51	54.34	58.67	63.73	67.49	68.78	62.46	53.09	48.15	43.07
2020	41.32	41.72	43.96	49.17	51.93	55.21	58.48	57.07	57.52	51.26	42.80	39.33
2021	41.64	41.56	44.02	50.14	51.94	56.75	59.36	57.68	54.89	47.52	44.50	38.64
2022	42.14	43.18	45.74	45.37	54.38	62.94	69.06	70.35	66.24	59.97	43.32	41.29
2023	42.48	40.52	42.31	49.90	60.24	63.49	69.29	71.66	63.26	56.88	48.31	47.70
2024	47.41	46.32	47.15	51.31	58.11	63.58	72.12	67.18	65.91	57.68	46.03	45.33
2025	42.98	44.48	48.95	54.66	58.91	65.43	70.06	M	M	M	M	M
NCEI Climatology	45.65	47.13	49.25	51.95	56.95	61.29	65.80	66.40	63.99	56.70	49.16	44.10

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
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	88.8%	82.8%	73.8%	70.5%	71.0%	71.1%	66.0%	68.8%	73.4%	82.8%	84.0%	84.4%
2005	83.1%	78.7%	76.8%	74.6%	74.4%	71.4%	65.8%	65.2%	68.8%	81.0%	85.9%	85.4%
2006	M	M	91.5%	75.4%	67.5%	68.3%	65.8%	65.6%	67.4%	72.5%	86.4%	80.9%
2007	82.6%	85.3%	77.5%	72.6%	68.1%	68.0%	66.9%	67.2%	70.6%	80.1%	82.4%	86.3%
2008	83.5%	82.2%	79.1%	74.7%	69.3%	68.4%	64.2%	68.6%	65.4%	77.5%	86.3%	87.1%
2009	80.8%	81.0%	81.1%	70.9%	75.1%	64.9%	61.8%	67.8%	67.5%	81.2%	82.7%	84.2%
2010	84.8%	82.6%	76.6%	76.7%	71.7%	70.8%	65.8%	68.0%	72.7%	75.9%	84.4%	85.8%
2011	81.6%	81.4%	82.2%	76.3%	72.6%	68.0%	68.1%	67.4%	66.2%	79.7%	83.5%	81.3%
2012	82.2%	82.2%	80.0%	77.1%	68.2%	73.2%	69.9%	67.5%	66.5%	74.2%	77.6%	78.6%
2013	73.6%	75.0%	70.5%	66.0%	59.7%	54.7%	57.8%	61.6%	M	M	M	M
2014	M	72.0%	70.6%	66.8%	64.9%	62.7%	63.3%	62.6%	64.0%	72.2%	79.7%	81.9%
2015	80.6%	77.8%	73.8%	70.7%	68.4%	62.4%	60.2%	61.4%	67.4%	73.2%	81.9%	85.5%
2016	83.2%	80.6%	79.5%	69.7%	67.9%	66.6%	66.0%	61.5%	65.5%	83.2%	85.1%	84.9%
2017	82.7%	82.3%	80.3%	74.0%	67.8%	67.8%	63.8%	63.9%	67.9%	77.0%	84.3%	80.9%
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	75.1%	79.8%	67.2%	65.3%	62.3%	61.3%	M	M	M	M	M