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	0.00
2007	0.00	0.01	0.06	0.86	2.32	1.57	0.16	0.73	3.02	0.46	0.46	0.73
2008	0.18	0.35	0.17	0.56	4.19	2.80	2.41	1.54	2.08	0.39	0.23	1.83
2009	0.65	0.93	1.86	1.38	0.91	2.53	1.93	0.52	1.17	1.96	0.29	2.59
2010	0.99	0.52	0.61	1.55	3.44	6.31	3.60	1.84	1.46	0.29	0.88	0.31
2011	0.24	0.99	0.63	2.02	2.44	3.28	0.77	0.87	0.57	2.73	0.52	0.79
2012	0.48	0.40	1.02	1.96	2.50	4.58	4.55	1.06	0.14	1.68	0.48	0.33
2013	0.23	0.47	0.61	1.09	2.69	2.33	2.37	1.07	1.47	0.84	0.66	0.55
2014	0.81	0.44	0.68	1.03	1.66	7.48	0.37	3.81	1.44	0.49	1.02	0.35
2015	0.21	0.35	0.99	0.37	1.56	1.01	2.56	0.39	1.84	0.29	0.84	0.74
2016	0.41	0.05	0.75	0.79	3.19	1.86	3.22	1.33	1.60	1.30	0.63	0.51
2017	0.46	0.94	0.46	1.85	3.80	2.49	0.37	0.13	0.16	0.91	0.56	1.11
2018	0.16	0.84	0.85	1.16	1.26	3.51	0.80	1.21	0.90	1.28	0.82	0.49
2019	0.53	0.85	0.31	0.83	2.40	0.97	0.94	1.22	1.88	1.03	1.13	0.16
2020	0.18	0.47	0.61	0.75	2.52	4.21	0.25	0.34	0.98	0.82	0.90	0.42
2021	0.12	0.56	0.35	0.93	1.94	0.68	1.52	2.63	0.24	0.91	0.10	0.46
2022	0.38	0.43	0.44	0.31	0.93	5.12	1.22	1.40	1.39	0.98	0.54	0.57
2023	0.20	0.40	0.39	0.47	1.30	1.27	0.34	1.24	1.12	0.87	0.58	0.11
2024	0.45	0.87	0.75	0.85	3.13	2.14	0.44	2.16	1.47	0.11	0.62	0.06
2025	M	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	11.0	10.6	11.4	13.2	13.7
2005	11.9	11.7	13.3	12.2	11.8	12.5	10.2	9.4	10.9	12.1	12.9	12.4
2006	15.2	13.0	10.7	12.6	12.0	10.4	9.4	9.1	10.7	11.6	14.8	14.3
2007	15.3	11.8	15.2	12.9	12.4	11.3	9.4	10.1	11.5	13.7	14.1	13.3
2008	15.2	13.7	13.1	12.6	12.8	11.6	9.7	11.2	9.1	12.5	13.1	14.2
2009	16.3	10.0	14.3	12.7	11.9	10.0	9.1	9.4	12.0	11.8	16.5	12.6
2010	11.8	10.1	12.5	14.5	12.1	11.6	10.2	9.6	10.2	10.6	13.0	11.9
2011	15.4	14.8	12.3	13.0	13.3	12.2	10.4	9.1	11.3	12.1	15.7	14.9
2012	16.0	11.2	15.3	11.8	12.5	12.6	9.4	8.9	10.2	12.6	12.1	12.4
2013	13.9	13.9	11.3	14.2	12.0	10.0	8.9	8.4	11.6	10.9	10.9	15.7
2014	13.9	13.3	12.5	13.5	9.7	10.8	9.6	9.0	10.6	12.9	13.7	12.3
2015	14.1	12.6	13.6	11.9	9.5	9.4	9.9	10.6	11.1	11.5	13.8	12.5
2016	11.9	14.2	13.9	12.1	10.9	11.9	9.0	9.2	11.4	10.8	11.7	14.1
2017	12.8	11.4	13.8	12.2	12.2	11.8	9.2	9.2	10.3	16.0	15.1	12.2
2018	13.7	13.9	10.5	11.5	11.1	12.5	8.7	9.9	8.7	10.7	12.3	14.3
2019	13.8	9.6	10.2	12.6	10.2	10.6	9.8	9.0	11.3	13.6	12.5	14.2
2020	12.0	14.7	14.3	12.4	12.3	12.8	10.2	10.2	12.0	12.1	17.0	13.4
2021	13.7	13.1	12.9	12.2	11.5	11.7	9.1	10.4	11.4	12.5	17.4	13.9
2022	16.2	16.3	13.7	14.3	14.1	11.9	8.9	9.4	10.4	11.5	14.1	13.6
2023	12.1	15.4	10.9	12.7	9.2	9.9	9.1	10.2	10.1	10.3	12.8	12.9
2024	11.9	11.5	9.6	13.4	13.5	12.7	9.5	9.2	10.9	12.6	12.0	12.5
2025	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
2004	M	M	M	M	M	M	M	64.39	55.49	43.13	35.60	29.33
2005	27.96	39.96	40.08	49.28	59.77	61.09	75.08	M	51.60	53.36	42.39	29.23
2006	37.45	25.11	28.81	43.78	53.65	60.43	67.37	68.61	51.85	34.12	25.60	32.23
2007	33.29	29.39	46.45	47.29	60.49	68.31	85.73	76.49	63.30	53.71	40.07	29.40
2008	27.73	31.66	37.13	44.78	58.10	65.15	75.79	74.64	65.77	55.76	46.11	20.28
2009	30.76	31.26	34.28	47.07	58.93	64.91	72.10	73.05	73.91	41.45	44.51	17.91
2010	29.12	32.03	44.86	47.96	50.81	63.42	70.24	69.34	58.47	58.19	32.06	27.68
2011	24.85	21.50	32.32	41.40	55.74	63.10	74.64	77.31	71.71	52.97	38.20	34.48
2012	31.77	34.26	41.93	53.31	57.39	64.23	77.34	78.35	71.91	45.65	40.39	28.53
2013	32.99	37.26	39.29	44.95	61.52	66.05	76.05	77.08	67.88	50.61	37.50	25.67
2014	34.54	20.09	30.27	49.35	58.39	62.14	77.89	72.73	63.79	58.66	32.33	31.75
2015	34.31	36.41	46.61	52.26	57.32	73.25	75.15	77.80	64.27	58.28	38.39	30.40
2016	30.88	44.30	46.69	55.47	57.82	70.31	72.78	72.86	62.07	49.88	46.49	17.47
2017	22.89	25.48	37.51	48.11	62.65	67.62	82.43	77.42	65.33	49.21	34.14	27.52
2018	30.90	18.97	32.05	42.09	65.20	65.43	75.99	76.02	57.48	49.20	37.66	33.93
2019	36.14	5.76	33.42	49.04	55.56	66.54	73.58	74.45	60.15	41.29	33.35	33.46
2020	27.90	33.70	33.72	44.29	57.90	64.80	74.68	79.65	67.83	46.98	38.34	35.05
2021	33.67	15.99	45.27	48.78	58.05	73.10	82.38	72.62	68.31	53.64	44.64	22.80
2022	31.46	30.60	40.87	43.62	56.29	64.67	75.85	81.55	71.61	57.87	26.21	19.91
2023	33.33	29.94	27.74	48.78	66.77	70.06	80.00	77.65	65.56	49.70	43.86	42.47
2024	26.13	30.94	32.22	49.90	56.15	65.65	80.38	75.65	69.95	59.08	36.14	36.39
2025	M	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	58.39	53.12	39.29	29.36	22.82
2005	9.31	16.77	20.35	28.91	35.85	43.45	47.85	M	47.10	32.91	23.12	13.93
2006	24.23	14.97	21.27	38.59	48.50	53.93	57.48	58.80	47.25	33.63	22.06	27.38
2007	12.71	10.31	26.46	27.80	37.39	43.78	54.85	45.17	38.47	32.50	19.15	11.02
2008	7.77	13.00	20.51	23.28	38.42	41.96	47.08	47.13	39.48	30.42	26.01	2.77
2009	11.50	12.89	14.81	26.11	35.03	40.48	47.40	46.78	42.76	25.10	25.95	1.11
2010	14.78	15.11	25.07	27.93	32.03	43.23	46.13	46.31	39.14	34.20	14.43	11.84
2011	7.48	3.32	16.38	25.59	35.25	43.52	46.34	47.97	43.24	31.65	19.17	17.20
2012	14.14	13.99	24.16	31.16	35.64	44.18	50.55	46.86	41.47	25.74	21.99	10.43
2013	14.16	19.20	18.25	23.79	38.38	44.20	48.34	51.31	44.64	29.39	17.99	7.07
2014	15.10	0.83	13.98	28.12	36.38	42.61	52.08	50.02	40.14	35.21	15.09	16.22
2015	15.97	17.97	27.24	28.39	35.96	46.56	48.37	48.90	39.62	34.71	20.65	15.85
2016	16.57	25.30	26.21	33.12	36.33	44.83	47.73	46.23	39.47	30.71	28.36	3.29
2017	7.46	11.34	20.15	30.00	38.04	44.49	49.55	47.34	40.26	30.22	19.42	8.63
2018	14.31	-0.09	15.64	23.21	41.98	43.77	45.81	46.83	36.78	28.38	20.98	16.79
2019	17.30	-11.08	14.22	28.41	36.02	42.46	45.85	47.22	40.36	22.01	18.55	18.66
2020	11.19	15.48	16.46	23.49	36.90	45.17	46.07	47.60	41.13	24.68	22.38	20.21
2021	18.82	0.28	24.00	27.21	34.40	47.18	53.32	49.35	41.72	29.83	25.26	1.81
2022	13.95	11.99	22.04	23.65	35.25	43.71	50.38	51.50	44.81	35.04	11.70	4.19
2023	18.17	13.66	11.06	28.07	42.73	45.79	48.85	50.14	43.12	30.12	25.70	26.65
2024	9.15	14.33	16.77	29.51	35.41	41.69	51.81	47.50	44.89	32.77	17.91	20.91
2025	M	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	61.39	54.31	41.21	32.48	26.08
2005	18.64	28.36	30.22	39.10	47.81	52.27	61.46	M	49.35	43.14	32.76	21.58
2006	30.84	20.04	25.04	41.18	51.08	57.18	62.43	63.70	49.55	33.88	23.83	29.81
2007	23.00	19.85	36.45	37.54	48.94	56.04	70.29	60.83	50.88	43.10	29.61	20.21
2008	17.75	22.33	28.82	34.03	48.26	53.56	61.43	60.89	52.63	43.09	36.06	11.53
2009	21.13	22.07	24.54	36.59	46.98	52.69	59.75	59.91	58.34	33.28	35.23	9.51
2010	21.95	23.57	34.96	37.94	41.42	53.32	58.18	57.82	48.81	46.19	23.25	19.76
2011	16.17	12.41	24.35	33.50	45.49	53.31	60.49	62.64	57.48	42.31	28.68	25.84
2012	22.95	24.12	33.05	42.24	46.51	54.20	63.94	62.60	56.69	35.69	31.19	19.48
2013	23.57	28.23	28.77	34.37	49.95	55.13	62.19	64.20	56.26	40.00	27.74	16.37
2014	24.82	10.46	22.12	38.73	47.39	52.38	64.99	61.38	51.96	46.93	23.71	23.99
2015	25.14	27.19	36.93	40.32	46.64	59.90	61.76	63.35	51.95	46.50	29.52	23.12
2016	23.72	34.80	36.45	44.30	47.07	57.57	60.25	59.55	50.77	40.29	37.43	10.38
2017	15.18	18.41	28.83	39.05	50.35	56.06	65.99	62.38	52.79	39.72	26.78	18.08
2018	22.60	9.44	23.85	32.65	53.59	54.60	60.90	61.43	47.13	38.79	29.32	25.36
2019	26.72	-2.66	23.82	38.73	45.79	54.50	59.71	60.83	50.25	31.65	25.95	26.06
2020	19.55	24.59	25.09	33.89	47.40	54.99	60.38	63.62	54.48	35.83	30.36	27.63
2021	26.25	8.13	34.64	37.99	46.22	60.14	67.85	60.99	55.02	41.73	34.95	12.30
2022	22.71	21.29	31.45	33.63	45.77	54.19	63.12	66.52	58.21	46.46	18.96	12.05
2023	25.75	21.80	19.40	38.43	54.75	57.93	64.43	63.89	54.34	39.91	34.78	34.56
2024	17.64	22.64	24.50	39.71	45.78	53.67	66.10	61.57	57.42	45.92	27.03	28.65
2025	M	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	75.6%	74.3%	77.2%	65.3%	71.4%
2005	72.2%	59.6%	70.1%	62.6%	57.5%	75.6%	56.6%	63.6%	65.6%	69.1%	65.7%	73.4%
2006	69.1%	67.6%	77.7%	55.0%	55.0%	68.0%	52.2%	48.7%	56.9%	71.9%	68.3%	64.0%
2007	66.1%	79.2%	64.2%	70.4%	61.6%	59.1%	45.1%	49.8%	60.7%	59.3%	60.5%	72.5%
2008	72.9%	75.1%	68.8%	61.2%	63.7%	61.7%	57.0%	51.5%	59.4%	53.0%	61.1%	73.7%
2009	67.9%	71.9%	70.1%	62.4%	57.7%	58.1%	64.6%	58.9%	44.4%	75.6%	56.8%	75.2%
2010	79.4%	81.6%	66.2%	62.3%	67.9%	64.5%	66.1%	63.6%	72.3%	59.1%	70.3%	74.8%
2011	75.5%	75.5%	77.8%	68.8%	66.2%	68.0%	54.6%	53.2%	46.6%	62.9%	63.6%	71.4%
2012	66.4%	72.2%	71.1%	60.4%	59.2%	68.9%	64.3%	50.7%	45.3%	75.3%	74.8%	73.1%
2013	71.2%	70.8%	74.2%	68.0%	59.5%	69.0%	65.1%	57.8%	61.2%	67.0%	71.7%	74.3%
2014	72.4%	73.5%	78.7%	61.0%	63.5%	71.4%	55.3%	67.8%	66.0%	62.3%	76.4%	77.7%
2015	72.1%	75.5%	64.6%	55.9%	64.2%	58.2%	56.7%	47.3%	59.1%	59.4%	69.9%	76.3%
2016	75.7%	59.5%	61.3%	60.0%	65.3%	53.9%	64.7%	60.1%	62.9%	70.9%	66.9%	74.3%
2017	74.4%	77.1%	69.7%	67.5%	55.8%	59.8%	44.5%	44.5%	52.1%	59.0%	73.2%	65.4%
2018	74.4%	77.6%	80.5%	68.9%	58.1%	60.6%	54.9%	48.1%	68.6%	67.5%	72.8%	67.9%
2019	68.5%	75.7%	71.5%	62.7%	68.1%	60.8%	58.7%	59.2%	68.7%	72.7%	78.4%	78.9%
2020	73.0%	73.5%	75.8%	70.1%	64.6%	69.3%	59.7%	46.1%	59.9%	72.0%	74.3%	76.3%
2021	77.0%	78.9%	64.6%	62.3%	68.6%	57.6%	58.1%	64.1%	54.1%	60.6%	64.9%	81.1%
2022	71.5%	74.2%	74.4%	65.6%	60.0%	70.5%	70.3%	56.8%	47.0%	61.7%	74.2%	76.5%
2023	73.0%	68.4%	78.2%	62.4%	59.1%	64.0%	49.2%	51.8%	59.8%	69.5%	64.4%	63.8%
2024	70.7%	78.9%	77.4%	60.3%	65.8%	56.8%	53.9%	58.3%	57.6%	53.4%	74.3%	68.2%
2025	M	M	M	M	M	M	M	M	M	M	M	M