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 () 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
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	0.03	0.03	0.32	1.53	2.62	2.48	7.11	5.23	3.52	2.99	5.59	1.69
2008	3.11	3.49	3.22	2.17	2.20	5.02	3.07	6.46	4.65	4.29	2.69	5.38
2009	20.65	29.93	1.42	2.84	5.51	3.11	4.62	4.05	1.56	5.72	1.89	2.11
2010	1.36	1.19	1.70	1.24	3.59	3.98	3.62	0.98	7.40	4.79	3.37	4.00
2011	1.45	1.42	3.79	2.92	5.75	3.62	4.71	6.80	4.81	1.02	1.24	2.60
2012	1.19	1.28	0.69	2.54	2.79	4.31	1.72	2.76	1.74	6.33	0.40	2.27
2013	0.96	0.95	2.07	1.34	3.96	5.37	4.04	2.47	7.68	2.39	9.13	6.89
2014	6.34	5.51	3.35	3.23	4.06	4.71	5.21	4.07	2.73	4.46	3.92	4.65
2015	2.27	1.28	0.65	2.72	3.37	3.66	1.75	2.17	3.53	2.83	2.02	2.91
2016	0.77	3.80	3.85	1.36	4.76	7.11	3.24	2.03	4.31	2.74	2.40	2.68
2017	2.17	1.38	1.62	3.28	4.48	3.07	1.36	2.06	4.03	2.44	3.87	2.88
2018	3.91	1.96	2.76	2.98	2.61	2.01	2.46	2.13	2.10	2.93	3.43	2.45
2019	2.90	1.61	2.43	4.96	3.09	3.11	2.53	1.93	4.08	4.00	3.70	2.42
2020	1.98	1.56	2.75	2.37	2.20	0.63	4.14	2.83	1.87	6.16	2.91	4.48
2021	0.81	2.17	2.20	4.92	M	M	1.98	3.25	5.79	4.21	3.23	2.91
2022	1.79	3.38	3.16	2.87	4.34	5.09	3.32	2.68	2.18	2.13	4.76	4.16
2023	4.37	2.06	2.05	1.13	3.26	5.06	4.45	6.46	1.67	3.94	1.51	3.42
2024	1.89	1.87	5.80	2.23	0.71	4.33	1.39	4.39	2.79	3.36	4.21	2.21
2025	0.81	M	M	M	M	M	M	M	M	M	M	M

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	6.2	6.7	6.4	8.2	8.9
2005	9.2	8.4	8.5	11.4	9.5	8.8	6.4	6.3	7.5	9.0	8.6	9.2
2006	8.5	9.1	8.9	8.6	7.4	7.0	6.7	7.1	6.9	9.0	7.2	9.1
2007	9.8	10.6	11.7	9.9	8.9	8.0	6.3	6.8	8.2	8.3	8.1	9.3
2008	7.9	9.0	9.7	8.0	7.8	8.2	5.4	8.0	6.4	8.3	8.9	8.7
2009	9.7	9.0	7.5	9.5	8.9	8.7	7.0	6.9	7.1	7.5	8.2	9.5
2010	9.5	10.5	9.0	8.0	9.3	7.7	6.1	6.1	7.5	10.2	7.3	10.7
2011	8.0	8.2	8.5	9.6	8.2	7.9	5.7	6.7	6.3	8.5	7.4	5.4
2012	7.5	6.1	9.4	9.6	8.2	7.5	7.1	6.6	6.8	8.9	8.2	9.7
2013	10.4	9.6	8.3	9.9	7.9	8.2	7.2	6.7	7.7	7.2	9.2	8.0
2014	8.3	8.7	10.5	8.6	6.5	6.5	6.5	5.8	7.4	7.6	8.4	8.4
2015	8.8	9.4	10.0	9.5	9.0	7.2	7.0	6.5	7.4	8.0	8.6	8.2
2016	9.3	9.7	9.5	10.1	7.6	7.7	7.0	6.2	7.2	7.3	7.2	9.0
2017	8.3	8.3	10.1	8.2	9.8	6.7	7.0	7.1	6.9	8.1	8.7	9.3
2018	9.8	8.3	10.9	9.1	9.3	8.0	6.8	5.7	7.2	8.7	10.7	9.4
2019	9.7	13.1	9.1	10.7	9.2	8.3	6.7	6.5	7.5	7.6	9.1	9.4
2020	7.2	9.8	10.1	9.9	9.3	7.1	6.5	8.0	6.8	7.7	7.9	8.2
2021	8.2	9.3	11.2	8.0	9.4	6.6	6.4	5.6	6.8	6.7	8.3	9.6
2022	8.4	8.5	10.5	9.5	8.5	7.7	7.0	5.3	7.7	7.0	9.2	9.1
2023	7.7	8.7	8.5	10.0	9.8	7.1	6.2	6.7	5.2	6.6	7.5	7.9
2024	9.0	8.0	9.1	9.4	8.3	7.1	5.8	5.9	5.9	7.6	8.3	8.6
2025	10.1	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
2004	M	M	M	M	M	M	M	64.43	58.55	45.48	29.81	17.77
2005	15.34	24.85	31.62	43.00	52.87	69.64	76.60	M	47.80	52.36	39.88	25.41
2006	26.46	13.44	26.43	39.24	52.06	65.20	67.19	65.12	55.30	45.79	35.07	25.15
2007	20.03	20.29	31.37	41.81	57.45	67.66	74.16	69.93	63.10	55.08	36.63	22.24
2008	22.50	23.31	26.98	42.68	57.47	64.36	75.04	70.90	64.18	50.46	39.39	24.23
2009	13.95	26.83	31.99	45.90	57.05	65.14	70.37	73.47	65.21	46.92	43.66	26.92
2010	26.83	30.05	39.25	50.71	61.80	67.24	75.62	74.19	62.47	50.97	40.33	33.48
2011	21.87	22.15	30.94	41.87	54.67	63.00	73.84	69.82	65.12	53.06	42.17	27.52
2012	21.68	23.36	38.72	46.86	60.10	66.86	75.64	75.77	65.31	51.38	38.63	28.93
2013	19.77	24.79	34.18	42.44	59.19	65.82	76.49	71.68	65.14	53.06	37.06	19.56
2014	19.54	21.42	24.73	41.88	55.28	71.29	77.57	73.37	64.27	52.55	34.44	27.80
2015	16.64	12.28	30.07	40.34	59.42	64.45	71.09	76.31	69.78	48.81	40.56	32.48
2016	24.03	26.00	29.05	41.92	58.71	67.51	72.87	74.78	65.76	54.60	41.44	25.90
2017	24.01	24.08	28.15	40.87	56.05	68.54	75.37	72.21	65.55	57.29	36.00	21.83
2018	19.47	23.96	33.00	40.39	59.95	66.31	78.95	75.90	64.43	44.97	33.18	23.16
2019	19.33	18.73	31.75	40.64	54.32	66.29	76.95	72.62	61.51	52.15	34.88	26.35
2020	23.43	25.42	31.80	40.31	59.81	72.38	74.30	74.14	65.26	48.80	40.75	31.65
2021	27.08	25.92	35.56	47.98	59.92	73.05	72.51	76.87	64.59	56.77	40.87	28.68
2022	15.75	21.75	31.43	42.40	60.08	66.83	76.03	74.74	64.59	58.16	40.00	31.23
2023	26.25	21.69	34.31	44.48	59.49	65.88	75.95	68.11	70.78	56.26	36.46	34.26
2024	25.37	28.66	35.64	45.48	59.63	71.42	79.54	75.35	68.38	54.48	41.86	30.33
2025	28.36	M	M	M	M	M	M	M	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	59.94	57.08	42.48	26.29	12.61
2005	-0.92	7.35	16.06	30.68	39.00	50.71	55.77	M	44.60	41.03	27.34	14.84
2006	11.61	8.56	23.50	36.99	48.40	60.61	63.98	60.20	53.40	45.46	33.10	22.70
2007	6.03	4.20	15.29	27.25	39.16	48.25	56.15	52.90	45.96	38.88	23.40	7.51
2008	6.45	6.08	8.40	29.09	38.65	49.93	58.00	55.99	45.84	36.72	29.36	8.97
2009	-2.08	11.65	12.10	30.02	38.35	49.48	55.22	56.59	44.87	33.64	30.07	17.24
2010	15.39	20.75	21.93	33.71	42.40	49.37	58.74	53.99	47.86	37.41	27.42	24.92
2011	9.59	6.09	15.57	27.28	39.58	49.46	56.30	55.18	47.48	40.29	29.32	13.24
2012	5.56	8.42	17.84	31.01	41.15	50.38	57.14	58.39	46.96	38.69	26.92	17.45
2013	4.40	8.73	23.67	27.84	41.41	47.50	56.92	54.92	48.24	37.50	25.32	7.33
2014	2.56	6.34	6.38	26.91	38.88	51.28	59.70	55.78	45.61	38.70	23.68	15.00
2015	-2.69	-6.81	11.29	26.00	40.56	48.64	55.04	58.58	49.89	33.90	29.80	23.45
2016	10.17	6.52	12.61	25.21	39.96	50.68	56.39	56.47	48.01	38.72	32.47	11.17
2017	8.94	8.17	12.26	29.52	41.20	50.08	55.25	53.19	48.75	40.26	22.62	8.49
2018	4.68	4.96	22.53	25.48	36.27	46.16	58.52	58.08	45.45	33.21	22.31	11.85
2019	1.78	4.73	14.66	28.57	37.32	48.46	56.63	56.32	44.49	38.74	23.10	12.90
2020	9.74	7.36	15.18	27.62	38.71	50.77	58.54	55.85	44.89	35.08	27.55	19.32
2021	15.53	11.29	16.96	31.94	38.88	51.97	53.96	58.70	48.91	42.26	29.15	15.55
2022	-1.49	5.51	17.35	30.37	39.23	49.60	56.66	56.96	48.85	40.07	28.05	18.90
2023	13.48	0.29	22.11	30.58	39.29	51.64	62.24	55.25	49.92	42.39	24.71	22.08
2024	8.79	11.54	24.32	29.36	40.12	52.60	60.88	57.15	50.37	38.23	32.85	17.00
2025	20.32	M	M	M	M	M	M	M	M	M	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	62.19	57.81	43.98	28.05	15.19
2005	7.21	16.10	23.84	36.84	45.93	60.18	66.19	M	46.20	46.70	33.61	20.12
2006	19.03	11.00	24.97	38.12	50.23	62.91	65.58	62.66	54.35	45.63	34.09	23.92
2007	13.03	12.24	23.33	34.53	48.31	57.95	65.15	61.41	54.53	46.98	30.01	14.87
2008	14.47	14.69	17.69	35.89	48.06	57.14	66.52	63.44	55.01	43.59	34.38	16.60
2009	5.93	19.24	22.05	37.96	47.70	57.31	62.79	65.03	55.04	40.28	36.86	22.08
2010	21.11	25.40	30.59	42.21	52.10	58.31	67.18	64.09	55.16	44.19	33.87	29.20
2011	15.73	14.12	23.25	34.58	47.13	56.23	65.07	62.50	56.30	46.67	35.74	20.38
2012	13.62	15.89	28.28	38.93	50.62	58.62	66.39	67.08	56.13	45.04	32.78	23.19
2013	12.08	16.76	28.93	35.14	50.30	56.66	66.70	63.30	56.69	45.28	31.19	13.45
2014	11.05	13.88	15.56	34.39	47.08	61.28	68.64	64.57	54.94	45.62	29.06	21.40
2015	6.97	2.74	20.68	33.17	49.99	56.55	63.06	67.45	59.83	41.35	35.18	27.97
2016	17.10	16.26	20.83	33.57	49.34	59.10	64.63	65.62	56.88	46.66	36.95	18.54
2017	16.48	16.12	20.21	35.20	48.62	59.31	65.31	62.70	57.15	48.78	29.31	15.16
2018	12.07	14.46	27.77	32.94	48.11	56.23	68.74	66.99	54.94	39.09	27.75	17.51
2019	10.56	11.73	23.21	34.61	45.82	57.37	66.79	64.47	53.00	45.44	28.99	19.62
2020	16.58	16.39	23.49	33.97	49.26	61.57	66.42	64.99	55.07	41.94	34.15	25.48
2021	21.30	18.61	26.26	39.96	49.40	62.51	63.24	67.79	56.75	49.52	35.01	22.11
2022	7.13	13.63	24.39	36.38	49.65	58.22	66.34	65.85	56.72	49.11	34.02	25.06
2023	19.87	10.99	28.21	37.53	49.39	58.76	69.09	61.68	60.35	49.33	30.58	28.17
2024	17.08	20.10	29.98	37.42	49.87	62.01	70.21	66.25	59.37	46.35	37.36	23.66
2025	24.34	M	M	M	M	M	M	M	M	M	M	M

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
2004	M	M	M	M	M	M	M	85.2%	84.0%	86.7%	79.1%	79.2%
2005	69.7%	74.4%	73.7%	69.7%	76.0%	71.7%	70.3%	73.0%	75.9%	79.4%	77.6%	76.3%
2006	80.0%	74.1%	69.3%	67.4%	72.2%	74.5%	76.4%	71.6%	76.8%	74.6%	77.1%	74.6%
2007	71.8%	66.2%	66.4%	66.8%	63.0%	71.9%	75.5%	75.9%	76.1%	75.6%	82.3%	80.2%
2008	80.6%	77.6%	71.7%	77.7%	72.7%	81.9%	82.1%	81.4%	79.9%	77.5%	80.3%	80.0%
2009	73.8%	77.4%	71.1%	68.8%	67.5%	78.7%	81.3%	76.8%	73.5%	79.1%	71.3%	81.6%
2010	75.6%	80.6%	65.9%	72.1%	65.0%	72.2%	77.8%	75.6%	79.6%	76.9%	79.1%	82.9%
2011	76.7%	73.5%	73.9%	70.4%	79.0%	80.0%	76.2%	83.7%	79.3%	74.2%	75.2%	80.9%
2012	77.8%	74.2%	66.8%	68.7%	70.8%	78.1%	69.3%	76.5%	77.6%	78.4%	73.4%	81.3%
2013	69.4%	74.0%	74.9%	71.1%	74.3%	71.2%	67.2%	76.2%	76.2%	74.5%	72.6%	77.7%
2014	74.3%	71.2%	68.1%	74.3%	77.6%	72.4%	71.4%	79.4%	76.3%	81.9%	80.4%	82.8%
2015	76.1%	69.7%	62.9%	70.2%	67.2%	75.5%	79.2%	78.9%	76.3%	75.5%	78.5%	82.9%
2016	76.6%	73.8%	72.6%	62.4%	75.3%	76.0%	78.0%	76.3%	77.9%	77.6%	83.2%	81.6%
2017	79.0%	73.6%	71.2%	80.2%	76.5%	73.6%	70.2%	73.6%	80.2%	75.7%	75.6%	79.1%
2018	77.0%	77.5%	78.3%	69.6%	61.7%	66.0%	70.0%	77.8%	75.4%	78.3%	81.3%	78.7%
2019	79.8%	73.7%	69.4%	73.0%	70.7%	73.2%	73.6%	76.6%	78.4%	79.9%	77.8%	78.3%
2020	80.6%	74.3%	73.0%	67.1%	62.5%	68.3%	80.2%	72.2%	74.3%	80.2%	76.7%	84.3%
2021	77.6%	72.0%	65.6%	76.9%	66.0%	71.4%	76.6%	77.6%	83.2%	81.6%	75.8%	74.9%
2022	73.3%	75.0%	71.7%	74.6%	65.9%	78.3%	72.2%	80.1%	80.1%	77.1%	75.8%	78.6%
2023	79.5%	70.4%	74.6%	71.6%	65.3%	83.0%	89.0%	87.1%	84.2%	85.5%	75.9%	73.8%
2024	74.2%	74.0%	80.1%	73.3%	76.3%	80.0%	76.6%	76.6%	79.3%	74.8%	80.7%	77.7%
2025	80.6%	M	M	M	M	M	M	M	M	M	M	M