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	0.15	1.82	2.78	1.35	0.00	0.31	2.10	0.41	0.68	0.58
2008	0.81	0.45	0.21	0.69	3.10	4.06	3.38	1.26	1.82	0.45	0.31	1.71
2009	0.63	0.68	0.77	1.24	0.00	0.04	3.44	1.71	1.70	1.60	0.39	0.96
2010	0.70	0.27	0.23	3.11	4.24	4.07	5.06	1.75	1.41	0.30	1.17	0.69
2011	0.71	1.41	0.88	2.33	3.18	3.38	1.73	0.41	0.80	3.10	0.48	0.91
2012	0.68	0.51	0.80	1.72	3.82	4.79	3.19	1.05	0.52	1.77	0.68	0.80
2013	0.37	0.26	0.66	1.21	2.33	3.18	0.68	1.53	1.78	1.18	0.61	0.94
2014	0.90	0.64	0.85	1.12	1.58	7.41	0.62	2.06	2.04	0.86	0.86	0.72
2015	0.43	0.33	1.08	0.91	1.74	1.07	2.03	0.87	2.33	0.70	0.90	0.82
2016	0.60	0.15	0.66	1.00	3.35	0.64	2.00	2.26	1.36	1.62	0.32	1.24
2017	0.52	1.14	0.79	1.80	2.06	2.60	1.40	1.24	0.66	1.44	0.63	2.00
2018	0.55	1.47	0.85	1.66	1.77	1.75	0.71	0.87	1.06	1.02	1.02	0.41
2019	0.46	1.89	0.53	0.29	2.88	1.77	0.90	2.00	2.98	0.93	1.59	0.23
2020	0.73	0.60	0.93	1.40	2.94	5.38	0.96	0.33	1.17	1.53	0.97	0.47
2021	0.12	1.28	0.25	1.98	1.75	1.16	0.57	1.91	0.93	1.73	0.21	1.51
2022	0.44	0.76	1.10	0.53	0.55	5.10	1.43	1.74	0.69	1.87	0.71	1.18
2023	0.37	0.63	0.62	0.46	0.95	2.33	0.27	1.04	1.12	1.19	0.28	0.19
2024	1.15	1.43	1.31	1.21	2.46	M	M	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	7.9	0.0	10.9	14.9	15.7
2005	12.8	12.3	14.4	12.3	11.8	11.1	9.2	9.0	10.3	11.7	15.0	15.2
2006	15.8	13.7	9.5	12.1	12.3	11.4	8.9	8.4	9.9	11.7	13.1	15.0
2007	17.4	11.8	17.0	12.7	12.1	11.9	8.8	9.8	9.8	14.6	14.8	13.4
2008	14.4	12.8	13.4	13.1	12.0	11.4	9.2	10.6	8.2	13.2	13.9	14.7
2009	17.4	10.5	14.6	12.4	12.3	10.4	7.2	7.1	10.8	11.0	16.8	12.3
2010	9.3	8.5	12.9	13.7	11.7	11.5	10.2	8.8	9.6	11.2	12.7	10.4
2011	16.3	16.0	10.7	13.3	11.9	12.2	10.7	8.3	11.0	12.5	15.8	17.5
2012	17.2	11.1	14.2	11.5	12.4	12.7	8.7	8.3	10.2	11.6	11.8	11.9
2013	15.4	15.2	10.3	13.1	11.4	10.1	7.3	8.3	11.5	11.1	13.3	17.6
2014	15.4	11.9	11.3	14.2	9.9	10.1	8.8	8.1	10.4	13.1	11.7	12.6
2015	15.1	11.5	15.6	12.6	8.6	8.1	9.2	9.2	11.4	11.6	13.7	11.4
2016	12.8	16.0	13.3	11.4	10.3	12.3	9.4	8.7	12.1	9.8	11.9	15.1
2017	14.1	11.4	12.9	12.5	12.2	11.8	9.1	8.7	10.3	16.6	14.1	12.8
2018	14.2	14.2	8.9	11.0	11.0	12.0	8.7	9.7	7.8	11.8	13.4	15.3
2019	14.3	7.9	9.8	13.3	9.0	10.4	10.0	8.6	11.4	14.7	15.2	14.8
2020	12.1	16.7	13.9	12.8	11.5	13.0	9.7	9.8	11.6	12.3	17.0	15.5
2021	14.3	13.3	14.3	12.2	11.3	11.3	8.0	9.9	12.1	12.7	16.7	12.2
2022	18.6	16.8	13.2	13.6	14.6	11.5	8.4	8.6	9.9	11.3	14.5	12.5
2023	14.4	17.1	9.5	11.5	8.7	9.2	8.8	8.9	9.5	10.3	14.3	13.2
2024	11.7	11.7	9.3	14.0	13.6	M	M	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	69.58	51.47	28.08	42.44	37.05
2005	29.38	41.83	44.59	55.25	63.94	65.15	77.24	72.48	64.40	57.20	44.33	37.53
2006	40.78	34.83	39.29	57.25	66.37	70.26	81.24	78.14	68.82	50.66	36.09	39.42
2007	35.80	29.64	50.28	50.60	64.00	71.01	86.25	77.51	67.03	57.04	41.49	29.61
2008	30.15	32.56	43.36	48.09	62.16	69.18	75.44	76.08	67.51	57.53	48.24	22.22
2009	31.91	32.32	38.03	50.51	62.99	68.65	73.80	73.82	75.71	44.80	47.00	18.25
2010	29.72	34.05	50.30	50.92	55.70	67.28	74.25	71.65	60.59	59.38	34.86	29.57
2011	24.43	23.99	34.26	46.14	59.33	65.73	75.79	77.52	74.24	55.45	40.68	38.48
2012	33.34	37.08	46.02	56.53	61.10	67.14	78.57	80.23	74.17	48.59	39.63	28.32
2013	33.39	41.67	40.63	48.48	65.56	68.70	76.00	78.88	71.40	53.59	38.39	26.76
2014	37.59	23.84	30.68	52.51	61.64	66.16	79.09	74.96	66.79	60.74	34.08	34.11
2015	36.42	37.11	49.90	56.09	61.25	75.11	78.22	79.47	66.36	60.77	39.08	32.21
2016	31.47	46.76	50.74	59.88	62.80	73.80	75.86	74.90	65.21	51.40	51.49	20.49
2017	25.77	29.47	41.15	52.59	67.06	71.86	85.27	80.18	69.04	52.54	36.29	28.37
2018	32.97	18.59	33.70	46.41	69.95	70.51	78.99	79.13	58.74	52.42	41.45	36.45
2019	39.33	6.12	38.18	54.15	60.37	71.15	76.48	76.60	63.49	46.32	37.20	35.84
2020	29.93	37.15	36.65	48.72	61.83	67.67	76.45	80.61	69.76	49.31	41.22	38.70
2021	36.09	19.96	50.35	53.08	59.78	76.51	84.52	75.92	71.03	56.01	47.81	23.75
2022	35.08	35.09	44.83	47.85	60.69	68.33	78.90	83.70	73.72	60.84	28.87	22.47
2023	36.55	34.79	33.35	53.74	71.63	73.76	82.44	79.83	68.54	51.93	47.01	44.10
2024	26.79	33.62	34.99	54.13	54.38	M	M	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	60.55	31.77	-1.16	14.88	15.95
2005	8.69	16.18	22.28	29.34	38.16	46.42	49.95	46.45	40.15	33.87	25.80	19.78
2006	24.87	11.44	18.94	33.75	40.94	48.81	51.82	46.16	41.02	29.37	16.30	21.05
2007	15.75	11.51	27.67	29.90	40.11	45.12	54.32	45.19	39.95	32.90	20.29	10.80
2008	7.78	13.68	22.40	24.55	39.99	44.41	47.59	46.48	39.33	30.67	27.68	2.74
2009	12.23	11.29	16.63	27.39	36.71	42.11	48.93	46.71	40.72	26.83	25.65	0.61
2010	13.27	13.52	25.68	29.07	34.61	46.15	47.84	47.34	39.76	34.72	13.41	11.70
2011	8.73	4.98	16.11	27.13	36.50	46.60	47.64	47.60	43.03	32.98	20.42	19.08
2012	14.92	11.97	23.03	31.12	38.27	46.94	51.24	46.56	40.51	26.87	21.07	7.26
2013	14.41	19.87	17.22	25.06	39.68	45.93	48.43	50.55	45.09	29.50	17.16	4.27
2014	14.62	-0.23	15.12	28.40	36.94	44.78	52.33	50.03	40.90	36.55	15.52	17.50
2015	17.23	16.24	27.84	29.44	36.25	46.47	49.13	47.61	39.13	33.43	20.67	13.48
2016	16.31	26.43	27.02	33.52	38.22	46.15	49.22	46.85	41.60	30.94	29.06	3.65
2017	9.49	12.47	19.13	31.73	40.51	46.65	49.65	47.76	40.16	31.61	18.14	8.34
2018	15.15	-1.83	16.05	22.49	43.42	46.16	47.88	47.13	36.98	30.45	22.60	19.24
2019	16.35	-13.18	12.98	30.42	37.73	44.83	47.44	48.14	41.90	25.20	20.37	19.80
2020	9.31	16.44	16.87	27.47	39.28	47.95	47.57	46.81	41.48	26.17	23.85	20.46
2021	18.27	-1.40	24.11	27.19	36.36	48.33	53.28	49.44	42.16	30.80	25.97	2.06
2022	15.55	14.16	22.75	25.70	37.40	44.91	51.27	51.38	44.16	34.26	12.79	2.32
2023	19.85	16.01	14.05	27.82	43.28	47.66	49.79	49.89	43.20	31.24	26.50	26.54
2024	8.00	12.66	16.02	31.88	34.24	M	M	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	65.06	41.62	13.46	28.66	26.50
2005	19.04	29.00	33.44	42.30	51.05	55.79	63.60	59.46	52.27	45.54	35.07	28.65
2006	32.83	23.14	29.12	45.50	53.65	59.54	66.53	62.15	54.92	40.02	26.20	30.24
2007	25.77	20.58	38.98	40.25	52.06	58.06	70.29	61.35	53.49	44.97	30.89	20.20
2008	18.96	23.12	32.88	36.32	51.08	56.80	61.51	61.28	53.42	44.10	37.96	12.48
2009	22.07	21.81	27.33	38.95	49.85	55.38	61.36	60.27	58.22	35.82	36.32	9.43
2010	21.50	23.79	37.99	39.99	45.16	56.72	61.05	59.49	50.18	47.05	24.13	20.64
2011	16.58	14.49	25.18	36.64	47.92	56.17	61.71	62.56	58.64	44.21	30.55	28.78
2012	24.13	24.53	34.53	43.82	49.69	57.04	64.90	63.40	57.34	37.73	30.35	17.79
2013	23.90	30.77	28.93	36.77	52.62	57.32	62.21	64.71	58.25	41.55	27.77	15.52
2014	26.10	11.80	22.90	40.45	49.29	55.47	65.71	62.49	53.84	48.64	24.80	25.80
2015	26.82	26.68	38.87	42.77	48.75	60.79	63.67	63.54	52.75	47.10	29.88	22.85
2016	23.89	36.59	38.88	46.70	50.51	59.98	62.54	60.88	53.40	41.17	40.27	12.07
2017	17.63	20.97	30.14	42.16	53.78	59.26	67.46	63.97	54.60	42.07	27.22	18.35
2018	24.06	8.38	24.87	34.45	56.69	58.33	63.43	63.13	47.86	41.44	32.03	27.85
2019	27.84	-3.53	25.58	42.28	49.05	57.99	61.96	62.37	52.70	35.76	28.78	27.82
2020	19.62	26.80	26.76	38.10	50.55	57.81	62.01	63.71	55.62	37.74	32.53	29.58
2021	27.18	9.28	37.23	40.14	48.07	62.42	68.90	62.68	56.60	43.41	36.89	12.90
2022	25.32	24.63	33.79	36.77	49.04	56.62	65.09	67.54	58.94	47.55	20.83	12.39
2023	28.20	25.40	23.70	40.78	57.45	60.71	66.11	64.86	55.87	41.59	36.75	35.32
2024	17.39	23.14	25.50	43.01	44.31	M	M	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	64.9%	70.6%	74.9%	64.8%	66.9%
2005	70.4%	61.3%	65.4%	55.7%	53.1%	74.9%	61.1%	66.8%	65.9%	67.1%	64.0%	68.0%
2006	69.8%	64.7%	72.5%	60.0%	53.4%	67.3%	61.1%	56.6%	59.4%	71.0%	67.1%	60.9%
2007	62.4%	76.1%	58.0%	66.4%	59.7%	60.0%	52.9%	57.0%	60.8%	56.4%	59.4%	71.0%
2008	68.4%	74.0%	58.4%	56.9%	61.0%	61.5%	65.2%	58.2%	64.3%	53.2%	60.2%	73.4%
2009	67.6%	71.9%	66.7%	58.8%	54.3%	56.4%	70.8%	69.3%	51.4%	74.8%	56.6%	79.5%
2010	81.5%	81.6%	61.6%	61.8%	66.0%	64.5%	67.7%	69.7%	75.6%	63.3%	73.1%	78.6%
2011	73.5%	74.5%	76.6%	67.7%	63.7%	67.1%	60.7%	61.6%	48.3%	63.1%	61.4%	64.8%
2012	61.3%	71.0%	67.1%	59.8%	57.3%	68.5%	72.1%	59.1%	52.2%	74.2%	76.4%	72.0%
2013	68.3%	64.0%	72.6%	67.5%	57.7%	70.3%	72.7%	65.6%	62.0%	68.4%	72.8%	73.8%
2014	70.8%	72.1%	77.1%	62.3%	64.9%	71.8%	66.5%	73.8%	67.7%	63.8%	78.9%	78.1%
2015	70.1%	76.1%	63.7%	58.1%	63.6%	66.1%	64.9%	57.8%	63.8%	63.0%	73.7%	78.1%
2016	78.1%	58.1%	60.5%	57.8%	64.0%	56.1%	68.6%	67.8%	64.1%	74.1%	65.9%	71.0%
2017	73.2%	76.4%	66.2%	66.0%	54.5%	59.0%	51.2%	51.2%	53.1%	59.5%	72.9%	64.9%
2018	72.5%	76.0%	80.8%	70.0%	55.9%	59.4%	58.0%	51.4%	72.9%	65.6%	70.4%	66.8%
2019	67.7%	77.2%	72.0%	56.2%	66.5%	61.4%	60.6%	63.2%	68.0%	66.8%	72.9%	74.4%
2020	67.1%	67.6%	69.9%	61.7%	60.5%	65.7%	64.7%	53.4%	60.7%	70.4%	68.1%	68.3%
2021	68.1%	70.4%	55.7%	56.8%	61.4%	56.6%	58.4%	60.4%	51.7%	57.1%	60.0%	73.2%
2022	60.3%	62.5%	63.9%	56.0%	50.3%	64.5%	65.5%	56.8%	58.4%	62.9%	75.2%	75.6%
2023	72.5%	63.2%	75.7%	60.0%	56.5%	63.2%	53.9%	58.4%	60.9%	71.9%	61.4%	67.4%
2024	73.4%	79.7%	76.2%	55.8%	71.3%	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M