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	0.00	0.00	0.00	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	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	M	M	M	M
2000	M	0.00	M	M	0.00	M	M	M	M	M	M	M
2001	0.00	0.00	M	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	M	M	M	M	M	M	M	M	M	M	M	M
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	0.00	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	M	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	9.0	10.2	9.7	11.3	13.6
1995	11.4	11.0	8.6	8.9	10.3	9.3	8.5	8.7	9.2	8.5	13.1	9.1
1996	11.9	10.8	12.6	11.6	9.5	9.4	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	M	M	M	M
2000	M	M	M	M	M	M	M	M	M	M	M	M
2001	10.0	10.8	M	10.2	7.2	8.8	8.0	8.1	8.6	9.4	11.9	9.9
2002	11.4	9.9	9.6	9.2	8.6	8.7	6.8	7.4	9.5	9.4	9.3	10.0
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	7.2	M	M	8.2	7.0	6.8	7.3	9.3	9.6	11.8	9.2
2005	12.0	12.6	9.2	12.3	9.3	9.9	9.5	8.7	9.1	8.8	13.0	13.2
2006	11.1	11.6	11.0	10.5	9.9	9.9	8.0	8.3	8.8	9.9	11.8	11.4
2007	9.9	10.1	11.0	10.1	9.7	9.5	8.7	8.7	9.2	9.5	10.6	11.1
2008	11.2	11.5	9.4	9.0	8.8	9.1	8.7	7.6	10.6	10.8	11.8	11.7
2009	11.0	7.7	10.3	8.4	12.2	7.2	9.0	9.7	10.1	10.3	11.2	10.7
2010	12.0	5.9	12.2	9.7	7.4	6.9	8.6	7.8	9.7	10.6	11.1	6.8
2011	6.4	11.4	9.3	10.9	10.0	8.3	9.1	9.0	10.5	7.8	10.2	12.7
2012	10.8	9.4	11.3	11.1	9.5	9.1	7.2	8.3	10.6	10.3	12.8	10.1
2013	12.7	9.1	9.1	9.8	10.1	10.0	11.5	8.1	12.0	11.6	13.0	14.3
2014	12.5	10.4	10.9	10.2	7.0	9.3	7.0	7.0	11.1	9.8	13.2	13.5
2015	13.0	11.1	9.3	10.3	9.7	8.5	10.6	9.5	10.8	13.0	14.6	13.7
2016	12.7	12.3	13.2	12.2	10.2	8.8	9.7	10.1	10.1	11.4	12.6	15.5
2017	14.0	14.5	11.4	11.8	8.9	9.9	10.1	9.0	9.3	12.8	13.5	13.3
2018	10.6	15.1	10.0	10.9	14.3	10.4	8.9	11.1	12.8	12.7	10.6	13.4
2019	14.0	12.5	14.3	13.5	11.4	11.8	9.3	10.2	10.5	11.3	13.3	13.2
2020	12.9	11.2	12.7	11.6	11.4	9.7	7.6	8.4	11.1	13.0	16.5	15.2
2021	9.4	11.4	14.3	9.6	12.1	12.1	8.1	10.2	10.3	9.3	11.2	13.5
2022	16.4	14.4	11.6	12.7	12.8	9.5	8.5	9.0	10.3	14.7	12.3	12.4
2023	14.3	14.8	9.0	8.8	12.0	10.2	8.5	8.9	9.2	10.3	15.9	12.7
2024	14.6	11.6	11.1	10.1	9.1	9.7	9.7	8.0	9.6	12.6	12.0	15.7
2025	11.2	12.6	11.8	9.5	10.6	10.3	9.1	7.9	9.7	10.5	10.4	16.1

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	40.00	50.27	38.65	25.33	6.89
1995	-3.83	-7.54	5.21	28.11	45.88	49.36	58.48	55.22	44.30	36.07	25.00	7.96
1996	-1.85	6.77	11.40	30.67	32.33	34.00	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	M	M	M	M
2000	-7.60	-6.40	M	23.90	41.45	53.60	M	M	M	M	M	M
2001	-9.65	-3.87	M	21.14	45.06	50.07	57.20	55.48	45.85	37.86	24.02	19.90
2002	-10.02	-9.01	3.97	24.08	33.92	46.72	54.05	56.84	45.50	37.46	22.82	12.39
2003	6.02	-7.99	-1.79	22.10	45.01	47.94	62.60	57.05	51.15	38.08	27.50	18.53
2004	M	5.00	M	M	M	47.30	54.63	55.56	45.63	36.91	25.16	6.80
2005	-8.14	3.80	16.45	34.21	47.71	52.91	58.74	M	M	40.13	28.58	11.78
2006	3.97	5.00	15.80	27.89	44.30	46.20	59.82	56.48	44.00	37.04	26.86	15.44
2007	4.97	8.46	8.93	27.78	34.37	52.03	61.78	55.99	45.98	37.03	23.59	3.86
2008	-3.11	-3.80	7.06	29.20	46.42	61.67	59.36	56.30	46.79	38.27	26.86	5.03
2009	0.48	3.37	9.27	22.48	33.55	48.21	63.17	53.37	46.13	36.12	28.05	20.62
2010	8.56	18.17	16.78	32.81	39.25	48.80	57.55	64.20	50.11	40.05	32.24	30.23
2011	12.98	-0.95	9.69	19.42	33.22	48.51	56.13	60.72	45.50	35.73	24.80	11.84
2012	-1.58	-0.34	8.00	25.02	39.06	61.40	58.36	59.90	52.56	38.02	26.28	15.54
2013	1.34	4.15	20.30	25.01	35.34	44.36	52.03	55.51	43.50	38.66	23.47	0.68
2014	3.68	-2.60	0.32	18.90	40.17	55.68	58.51	61.19	43.98	40.64	20.12	8.18
2015	-10.81	-15.29	-0.59	26.35	34.85	51.94	63.15	59.93	46.12	32.37	22.17	9.22
2016	4.53	-2.60	5.00	16.40	34.66	47.55	59.60	58.45	47.15	32.00	25.35	4.64
2017	4.57	-2.28	4.78	22.46	40.62	49.68	59.54	57.20	45.98	38.18	24.16	14.81
2018	-5.99	-6.49	22.13	17.10	25.55	39.62	57.72	56.64	43.42	29.50	20.17	9.72
2019	-1.88	-0.61	7.11	23.12	44.12	55.15	58.43	61.12	48.88	41.00	25.58	13.77
2020	0.65	-4.19	7.38	23.37	33.18	48.02	60.10	62.25	48.08	34.09	22.40	14.06
2021	11.79	7.31	10.94	32.78	43.90	48.62	56.00	58.19	50.06	42.26	26.48	14.17
2022	-8.02	-8.11	11.04	25.58	38.68	57.26	57.50	56.75	50.60	38.77	23.30	19.53
2023	3.44	-10.24	14.70	28.77	35.60	51.80	63.24	58.04	46.52	38.79	24.26	20.75
2024	6.31	0.72	15.72	27.26	39.84	53.39	57.42	57.48	51.86	41.27	29.79	22.40
2025	12.20	1.63	8.20	25.67	34.63	48.94	58.83	56.91	48.20	44.02	30.14	12.20

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	39.00	41.77	34.09	22.47	2.30
1995	-7.72	-14.18	-3.32	20.78	37.08	38.92	49.48	45.61	39.20	31.03	20.47	3.37
1996	-9.10	3.23	5.50	24.94	27.03	31.00	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	M	M	M	M
2000	-8.20	-7.90	M	23.90	40.10	51.80	M	M	M	M	M	M
2001	-13.56	-8.82	M	13.50	37.34	41.28	47.92	48.12	40.77	33.97	20.81	13.50
2002	-14.99	-15.70	-4.13	13.82	27.18	38.11	45.28	47.26	40.19	32.74	17.66	7.30
2003	0.56	-14.99	-11.72	14.30	33.68	40.10	53.52	48.57	45.83	32.99	22.28	12.82
2004	M	-4.00	M	M	M	46.40	51.54	53.93	45.37	35.93	24.62	5.26
2005	-13.63	-3.48	7.62	24.23	38.55	43.35	49.23	M	M	34.03	21.44	6.32
2006	-2.71	3.08	14.65	25.83	42.35	44.60	57.53	56.48	42.50	37.04	26.86	15.08
2007	-2.11	2.09	-0.53	17.95	27.35	42.65	53.80	47.80	38.27	30.33	18.35	-1.39
2008	-10.99	-11.03	-3.69	21.85	38.44	50.35	50.39	47.04	39.80	32.91	22.06	-0.73
2009	-5.64	-4.14	0.32	13.68	26.88	40.70	54.31	44.92	38.43	29.76	22.94	14.60
2010	2.13	10.69	10.93	26.18	31.75	39.80	50.07	55.28	42.09	34.70	27.46	25.07
2011	7.44	-8.72	0.70	9.98	27.06	40.41	48.92	53.70	40.36	30.20	20.92	6.22
2012	-6.73	-6.51	-0.16	14.65	33.22	50.60	51.06	52.77	45.57	33.38	22.74	10.79
2013	-5.37	-2.11	12.92	17.25	29.69	37.16	44.60	48.84	37.90	34.52	18.33	-3.52
2014	-3.52	-8.33	-7.06	10.40	32.23	45.78	50.82	50.90	38.02	34.46	16.16	3.41
2015	-15.44	-21.67	-8.89	18.10	29.75	42.58	55.01	50.93	38.99	28.10	17.88	4.69
2016	-2.07	-8.80	-0.88	9.13	30.04	40.14	50.75	49.45	40.32	27.78	22.38	0.68
2017	-0.83	-7.85	-2.20	15.08	33.65	40.61	50.36	48.39	40.45	33.32	20.36	10.28
2018	-11.14	-12.93	14.41	9.34	22.02	33.80	47.04	48.01	37.21	25.90	15.86	4.26
2019	-9.21	-6.77	0.28	17.66	37.68	46.59	49.81	53.15	42.37	35.73	21.02	8.19
2020	-4.81	-11.32	-0.34	18.28	29.58	40.88	50.99	51.86	40.94	30.66	18.14	9.86
2021	7.03	1.14	3.86	25.88	34.50	39.56	48.86	50.29	42.74	34.28	21.50	10.17
2022	-12.28	-14.61	4.13	19.28	31.59	46.96	50.66	49.55	44.84	35.46	19.22	14.90
2023	-1.24	-14.99	9.12	24.43	31.23	46.04	55.66	51.29	41.06	36.06	21.26	16.62
2024	2.30	-4.87	9.42	22.70	32.11	45.08	49.40	48.55	45.90	35.93	26.85	18.65
2025	7.85	-2.98	0.47	19.67	28.82	40.75	48.84	48.55	41.00	38.33	27.26	8.60

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	39.50	46.02	36.37	23.90	4.59
1995	-5.78	-10.86	0.95	24.44	41.48	44.14	53.98	50.41	41.75	33.55	22.73	5.67
1996	-5.47	5.00	8.45	27.81	29.68	32.50	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	M	M	M	M
2000	-7.90	-7.15	M	23.90	40.78	52.70	M	M	M	M	M	M
2001	-11.60	-6.35	M	17.32	41.20	45.67	52.56	51.80	43.31	35.92	22.41	16.70
2002	-12.50	-12.36	-0.08	18.95	30.55	42.41	49.66	52.05	42.85	35.10	20.24	9.84
2003	3.29	-11.49	-6.76	18.20	39.35	44.02	58.06	52.81	48.49	35.54	24.89	15.68
2004	M	0.50	M	M	M	46.85	53.09	54.75	45.50	36.42	24.89	6.03
2005	-10.88	0.16	12.04	29.22	43.13	48.13	53.99	M	M	37.08	25.01	9.05
2006	0.63	4.04	15.23	26.86	43.33	45.40	58.67	56.48	43.25	37.04	26.86	15.26
2007	1.43	5.28	4.20	22.86	30.86	47.34	57.79	51.90	42.13	33.68	20.97	1.24
2008	-7.05	-7.42	1.68	25.53	42.43	56.01	54.88	51.67	43.30	35.59	24.46	2.15
2009	-2.58	-0.38	4.80	18.08	30.21	44.46	58.74	49.14	42.28	32.94	25.50	17.61
2010	5.35	14.43	13.86	29.50	35.50	44.30	53.81	59.74	46.10	37.37	29.85	27.65
2011	10.21	-4.84	5.20	14.70	30.14	44.46	52.53	57.21	42.93	32.96	22.86	9.03
2012	-4.16	-3.42	3.92	19.83	36.14	56.00	54.71	56.34	49.07	35.70	24.51	13.16
2013	-2.01	1.02	16.61	21.13	32.51	40.76	48.31	52.17	40.70	36.59	20.90	-1.42
2014	0.08	-5.47	-3.37	14.65	36.20	50.73	54.66	56.04	41.00	37.55	18.14	5.80
2015	-13.13	-18.48	-4.74	22.22	32.30	47.26	59.08	55.43	42.56	30.24	20.02	6.96
2016	1.23	-5.70	2.06	12.77	32.35	43.84	55.18	53.95	43.74	29.89	23.87	2.66
2017	1.87	-5.06	1.29	18.77	37.14	45.15	54.95	52.79	43.22	35.75	22.26	12.54
2018	-8.56	-9.71	18.27	13.22	23.79	36.71	52.38	52.33	40.32	27.70	18.02	6.99
2019	-5.54	-3.69	3.70	20.39	40.90	50.87	54.12	57.14	45.62	38.36	23.30	10.98
2020	-2.08	-7.76	3.52	20.83	31.38	44.45	55.55	57.05	44.51	32.38	20.27	11.96
2021	9.41	4.23	7.40	29.33	39.20	44.09	52.43	54.24	46.40	38.27	23.99	12.17
2022	-10.15	-11.36	7.58	22.43	35.14	52.11	54.08	53.15	47.72	37.11	21.26	17.21
2023	1.10	-12.61	11.91	26.60	33.41	48.92	59.45	54.66	43.79	37.43	22.76	18.69
2024	4.30	-2.08	12.57	24.98	35.97	49.24	53.41	53.01	48.88	38.60	28.32	20.53
2025	10.02	-0.67	4.33	22.67	31.72	44.85	53.83	52.73	44.60	41.17	28.70	10.40

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	90.6%	78.3%	83.9%	85.4%	75.4%
1995	71.8%	70.1%	71.3%	73.7%	70.9%	73.8%	71.8%	81.4%	80.4%	84.4%	79.7%	75.6%
1996	80.4%	81.6%	79.8%	74.1%	79.5%	88.3%	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	M	M	M	M
2000	M	M	M	M	M	M	M	M	M	M	M	M
2001	68.6%	67.8%	M	74.1%	74.7%	79.2%	74.5%	82.0%	83.7%	85.2%	83.0%	79.7%
2002	70.5%	70.7%	68.8%	69.3%	82.4%	78.5%	79.3%	81.4%	86.5%	79.1%	77.5%	78.9%
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	68.3%	M	M	77.7%	75.2%	77.0%	79.4%	83.8%	78.2%	80.8%	76.1%
2005	72.6%	74.1%	71.4%	69.5%	72.7%	74.8%	78.6%	76.2%	81.8%	79.6%	80.5%	78.0%
2006	76.9%	76.2%	74.9%	76.9%	75.1%	74.9%	70.4%	79.0%	81.0%	78.9%	85.3%	81.7%
2007	81.1%	80.5%	79.2%	75.0%	83.0%	78.4%	73.8%	81.8%	78.4%	82.9%	80.7%	77.2%
2008	71.1%	71.7%	69.9%	74.4%	77.8%	66.5%	78.1%	78.7%	81.5%	82.8%	83.3%	76.7%
2009	76.0%	70.8%	72.8%	79.8%	82.8%	78.1%	66.7%	83.5%	84.6%	81.5%	84.4%	81.9%
2010	79.4%	82.0%	80.1%	84.9%	82.1%	78.3%	82.3%	80.9%	79.8%	86.4%	86.4%	82.1%
2011	73.3%	66.4%	69.6%	77.0%	82.3%	79.1%	78.7%	81.3%	84.1%	85.1%	76.4%	72.0%
2012	63.7%	66.0%	69.3%	79.2%	83.4%	75.2%	75.3%	83.3%	82.5%	87.2%	81.9%	71.5%
2013	56.9%	61.7%	69.8%	71.0%	83.5%	77.1%	83.4%	76.7%	80.3%	79.7%	77.2%	52.1%
2014	56.9%	52.8%	60.7%	77.1%	72.9%	68.8%	78.2%	78.3%	82.7%	84.3%	78.1%	67.7%
2015	53.1%	51.9%	64.0%	76.7%	76.1%	75.0%	70.5%	76.6%	82.5%	79.9%	77.6%	76.0%
2016	77.1%	71.4%	75.6%	75.1%	75.7%	75.2%	69.1%	75.2%	78.9%	77.4%	81.1%	76.7%
2017	74.9%	71.4%	72.2%	73.0%	70.4%	75.0%	71.2%	76.7%	81.8%	82.7%	79.4%	77.6%
2018	74.2%	69.5%	77.1%	76.3%	77.6%	81.0%	70.4%	72.7%	83.1%	77.2%	81.2%	79.6%
2019	71.0%	73.4%	74.2%	76.6%	70.0%	66.6%	77.3%	70.5%	77.6%	79.8%	81.3%	76.5%
2020	72.1%	70.1%	72.3%	74.1%	76.3%	72.8%	76.3%	73.3%	82.0%	82.7%	78.8%	75.0%
2021	79.6%	74.2%	74.4%	76.9%	65.9%	73.2%	73.0%	74.7%	77.0%	83.8%	78.2%	77.7%
2022	68.5%	67.7%	71.1%	78.6%	71.1%	57.3%	70.7%	74.2%	80.4%	81.9%	78.5%	80.2%
2023	77.0%	68.5%	76.7%	76.0%	78.8%	58.7%	78.4%	77.6%	83.3%	86.4%	78.7%	82.8%
2024	75.5%	72.0%	72.6%	81.3%	67.6%	73.2%	79.2%	80.9%	81.1%	79.5%	80.0%	78.8%
2025	81.1%	77.1%	74.7%	80.2%	75.6%	74.8%	77.9%	78.8%	82.4%	82.8%	84.5%	74.0%