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	0.00	0.33	1.67	2.27	1.05	0.14	0.14	1.11	0.32	0.51	0.26
2008	0.43	0.32	0.19	0.43	3.63	2.63	2.11	0.91	1.82	0.18	0.17	1.25
2009	0.76	0.54	1.23	0.86	1.01	3.54	4.76	1.46	0.49	1.48	0.27	0.61
2010	0.26	0.22	0.34	2.97	3.48	2.70	5.35	2.29	1.69	0.34	1.02	0.37
2011	0.74	0.93	0.61	1.68	4.44	3.82	0.82	1.26	0.62	3.12	0.60	0.73
2012	0.53	0.42	0.97	2.18	2.10	4.68	2.80	0.76	0.19	1.39	0.48	0.63
2013	0.23	0.31	0.78	1.23	2.69	5.04	1.06	3.51	2.80	0.86	0.46	0.49
2014	0.80	0.43	1.06	0.99	1.65	6.23	0.35	2.62	2.68	0.47	1.84	0.38
2015	0.40	0.38	1.94	0.45	1.45	1.56	1.75	0.93	2.19	0.62	0.83	1.06
2016	0.87	M	0.56	0.53	2.56	1.26	1.58	2.52	1.30	1.49	0.19	0.67
2017	0.43	1.29	0.47	1.25	1.80	2.03	0.31	0.13	0.16	0.80	0.56	1.17
2018	0.40	1.29	1.28	1.84	1.30	1.45	2.00	0.59	1.17	1.37	0.53	0.53
2019	0.58	1.12	0.44	0.28	3.68	2.33	1.42	1.95	1.97	0.62	1.39	0.36
2020	0.40	0.42	1.16	0.75	2.15	5.44	0.81	0.49	0.82	0.74	0.50	0.64
2021	0.04	0.57	0.29	1.04	1.92	2.26	1.23	3.17	0.82	2.64	1.49	3.21
2022	2.37	2.54	3.90	2.99	1.00	4.22	1.64	2.09	1.01	0.77	0.70	0.69
2023	0.23	0.55	0.84	0.35	0.26	1.38	2.12	3.16	1.25	0.77	0.12	0.32
2024	0.63	0.75	0.78	1.30	2.41	1.72	0.37	M	M	M	M	M
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	10.7	15.0	12.8	17.2	16.2
2005	15.6	13.1	14.2	13.4	11.9	10.2	10.4	8.7	11.5	14.3	16.3	16.9
2006	18.6	15.0	9.2	12.5	12.5	11.0	9.9	9.1	9.9	11.7	17.1	19.2
2007	18.8	12.9	17.3	12.1	11.9	12.9	9.6	10.0	11.8	15.6	16.0	14.9
2008	16.4	14.3	14.6	13.5	12.6	12.1	9.8	11.2	9.4	15.2	16.3	14.4
2009	18.6	11.6	15.7	13.5	12.7	10.6	8.3	9.1	12.4	12.5	21.8	14.3
2010	10.5	9.6	15.8	13.2	11.0	5.4	9.7	9.4	10.8	13.6	14.8	12.4
2011	16.7	17.1	11.1	14.4	12.6	13.0	12.2	10.1	13.4	14.1	17.3	18.1
2012	9.5	12.3	15.1	12.0	12.6	13.1	9.4	9.2	10.8	11.8	13.7	14.4
2013	16.9	15.9	11.6	13.4	11.4	10.1	7.8	8.9	11.8	12.6	13.7	18.1
2014	16.7	12.3	11.7	13.9	10.4	9.6	9.1	8.0	10.5	14.0	12.8	14.1
2015	16.3	12.1	15.5	13.2	8.7	8.3	9.3	9.7	12.3	12.6	15.2	14.3
2016	13.8	17.1	14.6	10.6	9.1	12.0	8.4	5.8	12.1	11.0	14.1	14.8
2017	16.1	12.4	13.6	12.7	12.5	12.0	9.5	9.6	10.7	16.9	16.0	15.3
2018	17.0	14.2	9.7	11.8	11.5	12.8	8.2	9.5	3.8	1.2	15.3	17.9
2019	17.1	7.8	11.2	13.1	9.4	10.4	9.1	7.7	11.6	14.9	14.8	14.6
2020	14.5	15.7	13.4	12.4	12.6	12.7	10.1	10.1	12.0	12.3	18.3	15.8
2021	14.5	11.9	13.8	12.5	10.2	11.6	6.4	6.9	9.9	10.5	18.0	11.5
2022	16.1	15.8	10.0	10.9	14.8	11.5	8.7	9.0	10.8	13.5	14.9	13.2
2023	15.8	18.1	9.1	12.8	9.8	10.5	9.3	9.4	9.7	10.4	15.8	16.2
2024	12.1	11.4	9.1	13.4	12.1	12.1	6.9	M	M	M	M	M
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	66.94	57.38	46.23	38.00	30.06
2005	13.88	M	M	M	M	67.92	76.44	M	49.30	55.18	42.46	33.05
2006	39.87	31.04	30.63	46.04	56.42	62.79	68.58	69.12	57.92	39.51	37.77	34.22
2007	35.07	32.24	49.05	50.05	63.52	71.05	86.75	77.59	66.13	55.23	40.65	29.74
2008	30.38	37.07	43.03	47.63	62.25	69.36	77.16	76.85	68.48	56.77	47.34	22.68
2009	33.26	34.05	37.11	50.08	62.71	67.98	74.85	74.84	75.26	43.95	45.42	20.14
2010	33.94	38.26	50.18	52.46	54.89	66.70	73.69	72.67	60.66	59.86	34.90	32.13
2011	26.81	24.91	34.33	45.08	58.49	65.51	75.62	78.96	73.59	53.86	38.62	37.36
2012	33.14	36.27	44.42	54.83	60.49	65.83	78.53	80.79	74.41	48.54	40.17	28.82
2013	35.54	40.67	41.93	47.72	64.65	67.46	76.69	78.14	69.35	53.45	38.61	28.10
2014	37.23	24.02	30.83	51.88	60.99	65.50	79.23	75.38	66.26	59.26	33.49	36.22
2015	38.21	38.51	48.18	55.65	60.84	74.83	76.09	79.37	65.73	59.99	40.17	31.99
2016	33.14	46.39	49.02	59.47	61.92	72.51	74.78	74.15	63.57	50.43	49.00	20.53
2017	26.36	28.29	39.30	51.13	65.50	69.94	84.84	80.07	67.79	51.64	37.54	27.65
2018	33.56	20.40	35.39	45.80	70.16	68.82	77.35	78.47	58.65	50.72	41.61	35.25
2019	37.91	7.25	38.27	52.59	59.25	69.34	73.05	75.98	63.12	46.40	36.78	35.33
2020	29.04	36.86	35.22	47.34	60.49	66.90	75.44	80.54	70.02	49.48	41.92	38.75
2021	35.48	20.55	49.00	52.83	59.37	75.84	83.57	75.83	69.90	54.51	45.68	23.48
2022	33.89	34.07	44.15	46.60	35.82	M	M	M	M	M	M	M
2023	M	M	M	M	M	73.89	80.52	79.75	67.10	52.22	45.51	42.78
2024	27.46	35.00	35.18	53.58	59.72	67.89	73.55	M	M	M	M	M
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	60.45	54.78	43.04	32.77	23.62
2005	-4.98	M	M	M	M	46.60	50.13	M	46.40	36.85	28.00	19.66
2006	27.61	21.80	24.62	43.46	50.28	56.88	60.63	60.78	53.50	38.52	33.80	28.97
2007	17.00	18.13	28.63	30.87	41.14	46.86	55.59	47.10	40.13	36.76	22.69	14.37
2008	10.25	16.14	24.05	26.92	41.10	44.77	48.96	48.76	41.79	33.61	31.39	5.22
2009	14.07	12.96	18.63	30.14	38.01	42.88	50.33	48.50	44.09	28.13	30.24	7.14
2010	22.13	18.14	28.62	29.67	34.77	44.87	47.21	48.28	41.64	38.14	16.31	13.29
2011	9.88	8.00	18.35	27.23	37.42	47.13	49.21	49.52	46.52	34.60	22.82	20.77
2012	17.14	15.66	24.77	31.74	38.39	46.60	51.84	48.77	43.74	28.84	22.63	9.83
2013	16.87	22.13	18.45	26.40	40.63	46.41	48.86	51.23	46.72	32.20	20.76	8.17
2014	17.78	2.72	15.65	31.07	38.08	44.46	53.01	51.21	41.86	38.39	16.79	22.28
2015	19.29	17.66	29.81	30.48	36.76	47.81	49.39	48.44	41.25	37.19	22.72	17.95
2016	18.19	27.50	27.86	34.20	39.68	46.44	50.52	48.24	42.40	32.55	32.32	5.15
2017	11.55	13.43	21.35	32.08	40.53	46.66	49.28	49.63	42.41	32.64	22.43	10.52
2018	18.11	0.74	18.32	24.55	46.03	46.72	48.47	48.15	37.21	30.86	24.84	19.83
2019	19.35	-10.09	16.05	31.00	39.15	45.57	47.09	47.58	42.80	26.86	21.73	20.54
2020	10.72	17.42	15.85	26.81	39.76	48.43	47.11	47.67	42.82	27.40	25.92	23.20
2021	19.30	0.32	23.18	27.94	36.70	49.67	53.01	49.64	44.38	31.02	27.20	2.48
2022	15.89	15.36	23.26	25.97	-0.93	M	M	M	M	M	M	M
2023	M	M	M	M	M	50.43	51.47	51.54	44.29	32.58	28.22	30.36
2024	10.02	17.44	15.55	32.70	39.06	43.78	51.41	M	M	M	M	M
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	63.69	56.08	44.63	35.38	26.84
2005	4.45	M	M	M	M	57.26	63.29	M	47.85	46.01	35.23	26.35
2006	33.74	26.42	27.63	44.75	53.35	59.83	64.60	64.95	55.71	39.01	35.79	31.59
2007	26.04	25.18	38.84	40.46	52.33	58.95	71.17	62.34	53.13	45.99	31.67	22.05
2008	20.32	26.61	33.54	37.28	51.67	57.07	63.06	62.81	55.13	45.19	39.37	13.95
2009	23.66	23.51	27.87	40.11	50.36	55.43	62.59	61.67	59.67	36.04	37.83	13.64
2010	28.03	28.20	39.40	41.07	44.83	55.79	60.45	60.47	51.15	49.00	25.60	22.71
2011	18.35	16.45	26.34	36.16	47.95	56.32	62.42	64.24	60.06	44.23	30.72	29.07
2012	25.14	25.97	34.59	43.29	49.44	56.22	65.19	64.78	59.08	38.69	31.40	19.32
2013	26.21	31.40	30.19	37.06	52.64	56.94	62.77	64.68	58.04	42.82	29.68	18.14
2014	27.50	13.37	23.24	41.47	49.54	54.98	66.12	63.29	54.06	48.82	25.14	29.25
2015	28.75	28.09	38.99	43.06	48.80	61.32	62.74	63.91	53.49	48.59	31.45	24.97
2016	25.66	36.95	38.44	46.84	50.80	59.47	62.65	61.20	52.99	41.49	40.66	12.84
2017	18.95	20.86	30.33	41.61	53.01	58.30	67.06	64.85	55.10	42.14	29.99	19.09
2018	25.84	10.57	26.85	35.17	58.10	57.77	62.91	63.31	47.93	40.79	33.22	27.54
2019	28.63	-1.42	27.16	41.79	49.20	57.45	60.07	61.78	52.96	36.63	29.25	27.93
2020	19.88	27.14	25.53	37.08	50.13	57.67	61.27	64.10	56.42	38.44	33.92	30.97
2021	27.39	10.44	36.09	40.38	48.03	62.76	68.29	62.74	57.14	42.76	36.44	12.98
2022	24.89	24.71	33.70	36.28	17.45	M	M	M	M	M	M	M
2023	M	M	M	M	M	62.16	65.99	65.65	55.69	42.40	36.86	36.57
2024	18.74	26.22	25.37	43.14	49.39	55.83	62.48	M	M	M	M	M
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	61.2%	59.9%	72.6%	62.8%	67.2%
2005	67.0%	58.2%	62.8%	52.1%	54.2%	72.6%	57.3%	61.2%	62.0%	64.2%	63.7%	66.8%
2006	68.1%	62.7%	70.2%	55.2%	51.9%	66.8%	54.8%	49.3%	54.5%	67.2%	66.4%	58.7%
2007	61.4%	74.0%	59.5%	65.1%	57.6%	56.2%	44.9%	50.7%	57.0%	54.9%	58.3%	67.7%
2008	64.6%	68.7%	55.9%	54.3%	57.1%	58.9%	57.9%	50.7%	57.4%	50.4%	58.9%	72.2%
2009	63.9%	66.2%	67.0%	55.7%	53.0%	56.7%	65.6%	63.4%	49.0%	74.1%	56.0%	76.3%
2010	75.9%	74.9%	55.8%	59.1%	64.7%	63.1%	65.3%	62.9%	70.8%	57.5%	69.2%	72.2%
2011	69.2%	71.2%	74.4%	64.9%	62.8%	64.0%	55.6%	55.2%	46.7%	60.0%	58.2%	62.3%
2012	60.5%	65.3%	65.2%	58.1%	54.5%	65.7%	64.4%	50.1%	44.3%	70.0%	71.3%	68.8%
2013	63.3%	61.3%	67.8%	64.5%	54.3%	67.3%	66.0%	62.2%	61.1%	63.3%	67.5%	69.6%
2014	66.3%	68.9%	73.1%	58.3%	60.3%	68.5%	59.9%	64.4%	63.5%	59.4%	72.9%	69.3%
2015	61.5%	70.8%	61.8%	50.5%	60.8%	60.8%	60.5%	51.1%	57.8%	56.8%	67.4%	71.4%
2016	72.5%	55.6%	55.9%	54.4%	59.6%	52.0%	61.0%	61.7%	60.7%	71.1%	62.4%	68.9%
2017	67.0%	72.4%	64.5%	62.3%	51.6%	57.0%	45.2%	44.3%	49.8%	56.0%	67.6%	61.7%
2018	69.3%	73.5%	75.7%	62.7%	51.4%	57.9%	59.2%	50.1%	72.1%	64.8%	66.2%	65.7%
2019	66.3%	77.4%	69.8%	59.3%	68.7%	64.5%	67.4%	64.9%	68.6%	63.8%	72.1%	73.8%
2020	66.5%	66.5%	70.3%	61.8%	60.3%	66.4%	63.1%	47.8%	57.9%	68.1%	62.7%	65.5%
2021	64.7%	68.1%	53.5%	53.5%	59.8%	53.5%	55.4%	58.3%	49.9%	56.4%	59.4%	70.3%
2022	61.8%	61.4%	64.3%	53.7%	47.4%	M	M	M	M	M	M	M
2023	M	M	M	M	M	54.3%	50.9%	51.6%	60.5%	66.8%	57.5%	61.4%
2024	66.6%	71.4%	69.3%	52.5%	59.5%	54.2%	65.8%	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M