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
1994	M	M	M	M	M	M	M	M	M	M	0.00	0.00
1995	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1996	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1997	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1998	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1999	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2000	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2001	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2002	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2003	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
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	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2008	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2009	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2010	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2011	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2012	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2013	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	0.00	0.00	M	M	M	M	M
2017	M	M	M	M	M	M	0.00	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

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1994	M	M	M	M	M	M	M	M	M	M	M	M
1995	M	9.0	6.8	8.3	7.6	8.0	M	M	M	M	M	M
1996	M	M	M	M	M	M	M	M	M	M	M	M
1997	M	M	M	M	M	M	M	M	M	M	M	M
1998	M	M	M	M	M	M	M	M	M	M	M	M
1999	M	M	M	M	M	M	M	M	8.1	7.2	8.6	7.8
2000	8.3	8.2	8.0	8.8	7.7	7.4	6.6	6.8	6.9	7.0	6.2	8.5
2001	7.0	6.8	8.7	7.1	6.9	7.3	7.7	7.8	8.0	10.2	8.0	7.8
2002	5.6	6.9	8.2	8.6	8.0	6.7	6.9	8.4	9.0	9.6	8.4	8.1
2003	7.8	8.2	7.1	7.6	6.5	7.1	7.4	6.8	6.8	7.5	8.7	8.2
2004	9.8	7.8	7.9	8.9	7.8	7.8	6.0	6.5	6.5	7.1	7.0	8.4
2005	8.2	6.7	6.5	7.6	6.7	6.9	7.9	5.2	8.9	7.1	8.3	7.4
2006	6.1	6.5	5.7	6.7	7.4	6.2	7.5	8.0	6.8	10.1	9.3	7.2
2007	7.2	8.5	8.4	5.4	6.0	6.5	5.6	9.0	8.4	8.8	8.2	6.2
2008	8.0	7.8	6.8	6.3	6.5	5.9	6.2	7.7	7.4	9.0	8.9	7.7
2009	6.5	5.4	7.5	6.3	7.5	6.1	7.6	6.2	7.6	5.7	7.7	6.7
2010	6.6	4.5	6.1	7.3	6.5	6.2	6.5	8.9	9.9	9.6	8.0	7.0
2011	5.2	7.9	4.8	5.6	7.0	7.7	7.3	8.3	7.7	9.9	8.4	9.0
2012	7.6	7.3	8.6	7.2	8.1	8.0	7.3	8.2	8.7	8.5	8.5	8.4
2013	8.2	6.9	6.4	8.3	7.1	6.6	8.0	7.7	9.5	10.0	9.6	8.0
2014	10.0	8.9	8.3	8.0	7.1	8.1	7.8	7.1	8.5	10.1	9.8	7.7
2015	8.8	8.7	8.7	8.8	7.7	7.0	8.2	7.5	9.0	9.8	8.6	8.1
2016	7.3	7.4	7.1	7.0	7.3	8.2	7.3	7.5	7.1	8.8	9.0	8.8
2017	8.1	8.1	10.7	8.1	6.9	7.1	7.8	7.3	8.1	10.9	11.1	8.4
2018	7.5	8.6	7.3	8.0	8.1	7.6	8.1	7.9	9.1	8.2	8.6	7.6
2019	8.3	7.1	8.6	7.8	7.8	7.0	7.0	9.0	7.5	9.7	8.5	7.0
2020	6.7	7.8	7.6	7.9	8.1	6.5	7.3	7.5	9.2	9.4	8.8	8.2
2021	7.2	7.6	8.2	7.8	7.4	7.5	6.8	7.7	8.6	8.1	9.8	7.6
2022	8.8	0.0	1.8	5.4	8.0	7.4	6.2	7.3	8.3	9.1	0.0	0.0
2023	1.6	8.7	5.6	7.1	6.4	6.2	6.9	6.2	6.3	6.2	10.9	8.8
2024	7.7	6.8	7.9	6.4	7.0	7.5	6.2	7.8	8.3	9.9	8.7	7.9
2025	11.2	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
1994	M	M	M	M	M	M	M	M	M	M	38.93	28.96
1995	25.00	21.37	40.00	47.37	64.84	77.64	78.16	78.00	63.35	57.39	35.61	21.61
1996	18.25	23.17	33.68	47.12	61.87	70.84	74.41	75.77	67.03	52.41	35.87	33.27
1997	18.88	24.08	30.52	47.86	58.00	76.37	76.44	72.94	65.07	54.00	37.80	27.04
1998	22.44	29.83	34.18	53.50	71.15	71.28	75.76	76.70	67.34	54.63	40.60	34.44
1999	20.22	28.19	34.68	49.88	70.35	76.57	75.91	72.25	68.65	53.19	46.62	31.90
2000	17.65	22.07	39.96	46.41	60.50	70.17	75.77	74.17	65.60	55.52	41.76	19.55
2001	10.98	3.26	33.03	44.84	59.12	64.40	73.40	71.14	59.48	40.54	29.06	16.21
2002	-0.34	8.02	13.30	33.26	46.69	68.24	72.35	67.25	56.72	34.44	18.98	11.27
2003	1.90	9.06	33.52	47.72	66.98	76.58	79.25	76.95	71.27	50.81	41.43	29.41
2004	M	29.30	M	M	M	51.65	61.66	57.95	51.80	40.01	22.69	-8.72
2005	-0.11	12.01	18.94	45.44	57.95	65.72	72.76	M	48.20	46.46	24.26	11.50
2006	10.86	-0.66	17.48	37.97	44.31	64.81	64.34	62.32	47.75	28.85	18.34	11.15
2007	4.82	4.86	23.04	38.71	56.19	63.80	73.39	66.32	53.34	44.66	20.59	4.23
2008	6.45	3.37	17.86	38.54	46.38	64.22	69.54	73.47	60.13	43.65	26.17	-6.03
2009	-1.78	8.44	20.10	40.00	46.85	65.23	63.46	63.85	64.92	39.12	35.13	3.88
2010	8.32	17.22	35.66	49.25	57.03	65.82	73.95	69.39	52.83	45.42	27.97	11.28
2011	0.07	7.74	20.42	40.98	55.61	71.07	72.59	69.83	61.52	46.98	26.96	12.03
2012	4.94	15.06	30.37	42.02	50.64	67.82	75.72	67.83	59.06	37.66	20.30	4.83
2013	-1.79	5.45	19.86	32.96	52.79	68.30	72.88	67.65	62.12	41.12	20.90	-7.37
2014	-4.29	1.40	13.25	32.12	51.34	67.28	69.68	67.77	55.59	42.05	14.18	11.21
2015	0.24	-4.39	21.66	37.88	51.92	66.38	72.47	65.97	60.80	43.44	27.32	17.43
2016	6.16	6.68	25.21	33.38	55.69	64.82	72.62	68.17	59.33	41.81	34.88	6.80
2017	9.41	10.98	22.48	36.32	52.03	63.62	72.65	69.39	57.92	44.77	18.26	0.47
2018	0.12	3.01	21.78	32.36	54.59	69.44	71.54	67.42	51.44	34.55	16.82	11.04
2019	-2.61	3.33	22.65	38.42	49.01	63.80	73.23	66.49	56.78	41.64	19.58	7.03
2020	7.44	9.10	21.78	33.86	49.83	64.04	75.26	67.94	54.92	34.96	22.16	11.45
2021	12.95	4.94	26.77	38.42	51.74	64.52	72.53	66.43	61.46	50.58	27.86	4.07
2022	-5.56	0.76	21.78	36.68	52.73	64.28	71.48	69.34	61.28	46.57	24.92	5.75
2023	9.70	2.30	18.88	36.02	60.74	73.28	68.06	69.51	64.94	43.96	24.86	24.63
2024	9.47	12.88	20.33	42.08	53.89	65.42	73.86	72.35	68.00	45.35	33.74	14.75
2025	3.80	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
1994	M	M	M	M	M	M	M	M	M	M	27.29	19.50
1995	16.34	7.74	24.68	31.13	48.10	62.75	67.23	64.19	50.30	46.93	26.14	12.68
1996	6.96	12.24	21.86	36.64	48.67	60.20	64.85	63.87	55.45	41.55	27.70	26.37
1997	8.85	12.24	20.07	35.79	47.13	61.77	65.40	61.29	54.70	41.54	30.32	18.96
1998	11.61	20.17	25.71	40.61	57.15	60.55	64.38	64.96	55.21	44.17	33.72	23.48
1999	8.37	16.46	24.39	38.48	56.00	64.29	63.73	60.50	56.61	39.35	35.38	20.03
2000	4.68	10.21	26.38	34.36	46.53	55.58	60.65	59.98	49.80	42.88	32.17	7.82
2001	-10.50	-17.11	19.86	21.74	35.72	41.90	52.55	52.61	40.82	30.26	18.86	1.05
2002	-18.63	-19.17	-10.21	12.62	26.19	43.52	52.67	51.92	41.60	23.41	4.88	-3.42
2003	-21.37	-28.55	-6.72	10.70	33.05	45.24	48.37	51.04	41.78	28.52	9.81	-2.16
2004	M	25.70	M	M	M	46.55	54.03	50.90	50.65	37.22	19.21	-14.99
2005	-17.99	-14.54	-5.39	25.70	33.97	45.38	51.86	M	46.40	32.46	11.42	-6.67
2006	-9.11	-14.22	7.03	32.28	41.79	54.25	58.94	55.82	45.27	28.40	14.74	5.90
2007	-14.72	-19.11	-4.18	13.13	33.77	45.62	52.89	49.10	39.35	32.35	10.93	-11.57
2008	-9.11	-18.59	-10.47	12.43	28.43	42.63	49.81	53.85	45.22	31.57	16.69	-18.57
2009	-18.45	-15.62	-10.71	18.54	23.27	44.72	48.26	46.66	45.99	29.03	22.63	-8.67
2010	-9.56	-11.96	13.86	25.85	35.77	43.34	54.75	50.30	39.19	31.87	16.64	-2.58
2011	-19.57	-12.84	-12.28	14.43	32.60	46.60	53.31	51.10	44.96	35.83	16.40	-5.63
2012	-12.88	-4.68	10.11	21.02	32.58	47.84	54.76	50.23	43.58	28.74	8.72	-8.30
2013	-21.83	-16.73	-2.55	9.02	29.97	43.64	53.02	50.23	42.38	30.72	8.96	-20.26
2014	-19.21	-16.79	-10.39	9.50	32.41	46.52	50.99	50.64	40.75	33.16	1.22	-2.08
2015	-19.04	-23.29	-3.30	15.38	30.32	45.44	53.08	50.29	44.72	30.14	16.34	8.08
2016	-9.75	-17.34	2.27	11.24	33.28	44.72	53.24	52.15	46.00	33.22	24.74	-5.74
2017	-2.55	-6.96	0.47	16.76	32.17	44.72	51.97	49.48	44.30	33.22	5.42	-13.17
2018	-15.61	-17.82	-0.11	8.00	30.26	49.22	53.83	49.42	37.64	26.54	5.84	-3.88
2019	-20.61	-16.15	1.11	15.56	29.56	44.42	52.44	52.79	41.48	32.12	9.26	-6.73
2020	-8.59	-12.63	-3.48	13.04	29.56	46.28	57.20	52.96	40.28	26.54	9.86	-3.19
2021	0.24	-17.37	2.97	20.78	31.07	45.62	51.22	49.48	46.52	39.49	18.80	-11.49
2022	-21.58	-22.84	-3.94	16.40	34.38	44.18	51.22	50.93	43.82	31.83	12.32	-5.63
2023	-6.73	-17.86	-8.12	16.34	35.95	50.18	50.17	50.12	48.26	32.35	13.34	10.81
2024	-6.79	-6.30	-3.30	19.40	34.61	46.10	54.01	52.32	49.16	32.41	26.12	3.66
2025	-11.00	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
1994	M	M	M	M	M	M	M	M	M	M	33.11	24.23
1995	20.67	14.56	32.34	39.25	56.47	70.20	72.69	71.10	56.83	52.16	30.88	17.14
1996	12.61	17.71	27.77	41.88	55.27	65.52	69.63	69.82	61.24	46.98	31.78	29.82
1997	13.87	18.16	25.29	41.82	52.56	69.07	70.92	67.11	59.89	47.77	34.06	23.00
1998	17.03	25.00	29.95	47.05	64.15	65.91	70.07	70.83	61.28	49.40	37.16	28.96
1999	14.30	22.33	29.54	44.18	63.17	70.43	69.82	66.38	62.63	46.27	41.00	25.97
2000	11.17	16.14	33.17	40.39	53.52	62.88	68.21	67.08	57.70	49.20	36.97	13.69
2001	0.24	-6.92	26.45	33.29	47.42	53.15	62.98	61.87	50.15	35.40	23.96	8.63
2002	-9.49	-5.57	1.55	22.94	36.44	55.88	62.51	59.58	49.16	28.92	11.93	3.93
2003	-9.74	-9.74	13.40	29.21	50.01	60.91	63.81	63.99	56.52	39.67	25.62	13.63
2004	M	27.50	M	M	M	49.10	57.84	54.43	51.23	38.62	20.95	-11.85
2005	-9.05	-1.27	6.77	35.57	45.96	55.55	62.31	M	47.30	39.46	17.84	2.42
2006	0.88	-7.44	12.26	35.13	43.05	59.53	61.64	59.07	46.51	28.63	16.54	8.53
2007	-4.95	-7.13	9.43	25.92	44.98	54.71	63.14	57.71	46.35	38.50	15.76	-3.67
2008	-1.33	-7.61	3.70	25.48	37.40	53.43	59.67	63.66	52.67	37.61	21.43	-12.30
2009	-10.11	-3.59	4.69	29.27	35.06	54.98	55.86	55.25	55.46	34.07	28.88	-2.39
2010	-0.62	2.63	24.76	37.55	46.40	54.58	64.35	59.84	46.01	38.65	22.31	4.35
2011	-9.75	-2.55	4.07	27.70	44.10	58.83	62.95	60.46	53.24	41.41	21.68	3.20
2012	-3.97	5.19	20.24	31.52	41.61	57.83	65.24	59.03	51.32	33.20	14.51	-1.74
2013	-11.81	-5.64	8.66	20.99	41.38	55.97	62.95	58.94	52.25	35.92	14.93	-13.81
2014	-11.75	-7.70	1.43	20.81	41.87	56.90	60.34	59.20	48.17	37.60	7.70	4.56
2015	-9.40	-13.84	9.18	26.63	41.12	55.91	62.77	58.13	52.76	36.79	21.83	12.75
2016	-1.79	-5.33	13.74	22.31	44.48	54.77	62.93	60.16	52.67	37.52	29.81	0.53
2017	3.43	2.01	11.47	26.54	42.10	54.17	62.31	59.44	51.11	39.00	11.84	-6.35
2018	-7.75	-7.41	10.84	20.18	42.42	59.33	62.69	58.42	44.54	30.55	11.33	3.58
2019	-11.61	-6.41	11.88	26.99	39.29	54.11	62.83	59.64	49.13	36.88	14.42	0.15
2020	-0.57	-1.77	9.15	23.45	39.69	55.16	66.23	60.45	47.60	30.75	16.01	4.13
2021	6.60	-6.22	14.87	29.60	41.41	55.07	61.87	57.95	53.99	45.04	23.33	-3.71
2022	-13.57	-11.04	8.92	26.54	43.55	54.23	61.35	60.13	52.55	39.20	18.62	0.06
2023	1.49	-7.78	5.38	26.18	48.35	61.73	59.12	59.81	56.60	38.15	19.10	17.72
2024	1.34	3.29	8.51	30.74	44.25	55.76	63.94	62.34	58.58	38.88	29.93	9.21
2025	-3.60	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
1994	M	M	M	M	M	M	M	M	M	M	M	M
1995	M	66.7%	68.9%	55.7%	57.9%	67.8%	M	M	M	M	M	M
1996	M	M	M	M	M	M	M	M	M	M	M	M
1997	M	M	M	M	M	M	M	M	M	M	M	M
1998	M	M	M	M	M	M	M	M	M	M	M	M
1999	M	M	M	M	M	M	M	M	81.5%	68.7%	70.9%	75.9%
2000	71.0%	69.7%	66.7%	64.4%	65.5%	65.5%	66.0%	71.0%	69.6%	68.7%	76.0%	73.8%
2001	75.2%	61.3%	67.4%	57.1%	74.7%	73.5%	72.4%	74.4%	73.9%	78.0%	81.4%	83.9%
2002	73.9%	66.0%	59.3%	64.1%	60.1%	57.4%	70.0%	80.3%	82.4%	79.4%	81.9%	80.1%
2003	81.2%	69.9%	71.4%	58.9%	63.7%	62.1%	M	M	70.6%	73.8%	73.4%	80.0%
2004	68.6%	67.7%	69.3%	59.1%	57.9%	56.9%	65.6%	67.1%	66.5%	67.5%	69.2%	74.5%
2005	70.1%	68.0%	65.4%	65.4%	68.0%	77.1%	76.7%	80.6%	85.1%	84.5%	87.2%	86.0%
2006	80.9%	66.8%	74.8%	67.5%	75.3%	65.4%	72.5%	69.3%	75.2%	86.7%	83.9%	80.0%
2007	75.6%	61.9%	67.1%	64.6%	65.9%	73.5%	74.1%	78.8%	83.7%	81.8%	82.1%	73.9%
2008	75.8%	66.1%	63.8%	61.5%	70.7%	74.5%	77.9%	73.1%	78.2%	82.4%	87.2%	72.9%
2009	71.2%	71.2%	65.9%	66.7%	68.3%	74.4%	84.2%	83.3%	77.5%	87.3%	84.6%	77.1%
2010	76.2%	66.5%	70.9%	63.4%	71.0%	70.6%	77.6%	80.6%	82.9%	76.2%	80.1%	81.6%
2011	73.7%	67.4%	60.6%	64.2%	66.1%	59.3%	74.7%	77.5%	77.7%	85.5%	88.1%	82.6%
2012	78.8%	73.4%	71.6%	62.0%	70.6%	69.1%	67.5%	74.6%	75.6%	90.1%	90.1%	85.9%
2013	79.0%	76.5%	74.4%	67.9%	65.9%	62.5%	68.8%	80.3%	78.6%	82.0%	83.6%	74.7%
2014	74.7%	73.7%	66.1%	62.1%	69.9%	61.8%	69.0%	74.8%	75.3%	84.5%	83.1%	86.5%
2015	78.2%	70.5%	70.7%	70.8%	67.4%	69.9%	71.3%	82.0%	79.5%	79.2%	91.4%	87.8%
2016	82.4%	74.2%	69.6%	62.0%	66.7%	70.7%	70.8%	76.6%	81.4%	86.6%	85.4%	82.4%
2017	83.3%	78.7%	71.1%	65.4%	66.6%	70.2%	65.5%	69.4%	79.3%	81.0%	82.5%	79.7%
2018	77.3%	71.0%	67.0%	58.5%	63.9%	61.4%	73.4%	73.2%	79.0%	85.2%	87.7%	85.7%
2019	73.8%	72.6%	70.2%	62.2%	68.7%	70.3%	72.8%	80.5%	79.1%	86.6%	87.1%	85.6%
2020	85.7%	76.6%	71.5%	69.9%	65.1%	73.3%	75.7%	79.9%	81.8%	82.3%	91.5%	88.6%
2021	88.4%	76.4%	68.7%	71.0%	72.5%	75.9%	73.6%	81.9%	81.4%	89.3%	87.4%	81.2%
2022	76.2%	72.3%	71.5%	66.9%	72.2%	74.7%	74.5%	76.8%	75.8%	80.4%	85.6%	82.8%
2023	83.7%	70.1%	70.6%	63.8%	63.8%	64.7%	77.0%	78.3%	78.5%	87.2%	84.7%	89.6%
2024	85.2%	81.3%	75.7%	66.2%	75.0%	74.6%	73.9%	71.6%	78.0%	77.3%	92.3%	89.1%
2025	79.3%	M	M	M	M	M	M	M	M	M	M	M