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
1993	M	M	M	M	M	M	0.00	0.00	0.00	0.00	0.00	0.00
1994	M	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1995	M	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	M	0.00	0.00	0.00	M	M	M	M	M	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	M	M	0.00	0.00	0.00	0.00	0.00	0.00	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	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
1993	M	M	M	M	M	M	0.0	0.0	0.0	0.0	0.0	0.0
1994	M	M	0.0	0.0	0.0	0.0	0.0	0.2	11.7	13.8	5.1	18.5
1995	M	11.3	15.9	10.0	11.1	5.8	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	M	M	M	M
2000	M	8.0	M	M	7.0	13.2	M	M	M	M	M	29.4
2001	19.5	12.9	26.4	15.7	18.5	12.8	12.5	11.8	12.2	17.2	14.6	17.0
2002	18.0	17.4	12.2	12.0	12.6	13.6	13.2	8.9	11.4	11.3	17.6	17.7
2003	0.8	M	M	0.0	0.0	0.0	0.0	0.3	0.0	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	6.8	M	M	M	M	M	17.7
2007	20.2	13.7	19.2	12.6	12.8	13.1	10.7	11.3	12.2	16.9	18.0	16.4
2008	17.9	17.2	16.5	15.4	12.9	12.8	11.2	12.9	10.4	16.5	18.2	15.6
2009	19.9	13.6	16.2	13.4	14.3	11.1	8.8	8.7	12.8	13.2	21.8	14.1
2010	13.4	11.3	16.5	13.5	11.1	11.6	10.9	10.2	11.3	14.8	15.5	13.3
2011	17.8	17.9	12.0	14.0	13.3	13.8	12.8	10.8	13.4	14.6	17.5	19.6
2012	19.7	13.4	15.3	13.0	11.2	8.0	0.6	8.8	11.5	12.5	14.6	14.6
2013	17.3	16.3	13.4	13.6	12.5	11.4	8.2	9.0	11.7	13.1	14.7	18.9
2014	17.3	13.1	12.3	14.6	10.6	10.9	10.4	8.6	10.9	14.5	13.5	14.8
2015	17.6	12.6	16.3	13.6	9.0	9.1	10.1	10.4	12.7	13.3	15.3	14.4
2016	15.0	19.4	14.8	12.0	9.5	13.8	10.5	9.5	12.5	11.8	14.4	15.2
2017	16.1	13.0	14.2	13.3	12.9	13.3	10.3	9.6	10.8	16.7	16.5	15.1
2018	17.5	14.6	11.3	11.9	11.5	14.6	9.6	10.6	9.3	12.8	16.7	18.3
2019	17.2	9.2	11.3	13.8	7.0	1.4	10.7	9.0	11.6	15.7	15.3	17.3
2020	4.8	9.2	8.6	12.4	12.4	12.8	11.6	12.0	12.2	13.3	19.2	18.1
2021	16.6	13.5	15.3	13.1	10.7	11.6	9.2	11.1	14.8	13.2	20.3	14.2
2022	18.6	18.1	14.7	13.5	15.0	12.3	9.7	9.9	10.5	13.2	16.0	13.6
2023	16.6	18.7	9.8	13.5	9.7	10.1	9.7	10.5	10.7	11.6	16.3	17.1
2024	14.3	13.1	10.4	13.3	12.6	12.5	10.6	10.1	12.1	16.5	13.4	16.8
2025	16.6	13.5	13.1	13.7	12.3	10.7	M	M	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1993	M	M	M	M	M	M	59.45	53.35	34.07	20.65	2.38	-10.91
1994	M	M	-5.33	11.00	41.12	49.63	65.26	54.85	37.48	24.88	14.67	1.25
1995	M	-25.21	-13.55	9.47	20.90	39.50	47.00	48.00	35.65	17.76	-6.69	-19.79
1996	-19.53	-16.68	-11.67	2.12	23.89	55.56	68.07	50.62	48.52	19.27	4.21	-13.34
1997	-13.22	-14.33	-12.50	8.30	22.00	48.33	62.56	54.57	41.12	16.52	6.21	-8.36
1998	-24.35	-21.04	-7.11	13.32	27.75	46.42	63.63	59.12	44.14	29.52	12.76	-4.21
1999	-15.48	-13.87	3.42	10.68	22.91	M	M	M	M	M	M	M
2000	31.64	15.20	21.20	45.05	50.72	57.20	M	66.20	M	30.20	M	32.00
2001	36.30	22.29	39.20	44.78	64.57	64.52	75.26	81.01	69.80	51.51	43.40	30.49
2002	30.97	27.90	20.79	40.40	53.72	67.22	77.12	69.16	61.70	46.17	46.58	36.41
2003	35.37	31.87	36.99	49.28	56.85	68.72	79.96	81.47	65.30	57.66	31.64	35.08
2004	M	37.40	M	M	M	61.70	69.03	67.55	54.91	44.87	36.34	29.33
2005	29.27	39.39	41.58	51.55	60.22	61.94	74.04	M	50.00	53.02	39.80	30.49
2006	39.20	25.76	28.28	44.51	54.25	59.70	66.20	67.31	55.80	35.75	25.98	31.93
2007	33.01	30.36	47.41	47.26	60.68	67.59	84.54	75.80	64.23	52.75	39.35	28.81
2008	28.39	34.59	40.81	45.35	59.21	66.65	75.83	74.73	66.88	54.95	45.59	21.01
2009	32.52	32.46	34.78	47.73	59.99	64.95	72.40	71.18	72.33	41.20	43.35	18.66
2010	31.33	37.39	48.57	50.86	52.10	64.08	71.95	69.98	58.18	57.50	32.59	30.39
2011	27.67	23.74	31.39	41.38	56.14	63.12	73.59	77.24	71.60	52.44	37.52	35.54
2012	31.94	34.23	41.06	53.60	58.94	64.34	75.66	77.46	72.32	46.69	39.62	27.35
2013	33.86	37.27	40.77	45.98	62.77	66.26	74.50	75.66	67.40	51.86	36.98	27.06
2014	36.01	21.84	28.17	49.94	59.00	64.16	77.93	72.99	64.04	57.26	32.56	34.55
2015	36.01	37.59	47.62	54.02	58.54	72.20	74.74	77.35	64.22	58.07	37.58	30.90
2016	32.17	45.28	46.98	58.52	60.74	69.56	72.70	72.70	62.90	49.65	47.90	18.24
2017	24.28	27.31	37.57	49.76	64.69	69.32	82.57	77.93	65.90	50.30	35.72	26.77
2018	33.22	22.10	34.67	44.18	67.07	67.76	76.30	76.13	57.14	48.08	39.98	34.26
2019	37.23	7.25	35.66	50.84	57.50	67.34	71.72	74.04	60.32	44.43	35.96	34.26
2020	28.57	35.23	32.70	45.56	57.61	65.12	74.27	78.16	68.66	48.49	40.40	37.40
2021	34.61	18.76	47.10	50.66	56.97	72.74	82.63	73.28	67.46	53.08	43.88	23.70
2022	32.72	33.09	42.16	45.08	56.62	65.54	77.93	81.94	71.60	59.75	28.34	20.33
2023	34.90	32.13	29.79	50.12	68.87	71.36	79.73	78.45	65.78	50.52	42.98	41.46
2024	27.65	33.12	34.50	50.78	57.61	65.78	81.82	74.97	70.64	58.25	35.84	39.08
2025	30.43	18.69	42.63	52.52	65.50	70.34	59.00	M	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1993	M	M	M	M	M	M	43.84	39.39	25.60	10.04	-12.12	-18.91
1994	M	M	-11.52	-1.00	29.50	37.90	48.10	44.26	29.92	20.00	12.33	-12.67
1995	M	-37.93	-26.16	-9.37	5.10	31.50	39.50	38.00	27.70	10.40	-16.42	-29.26
1996	-29.00	-28.68	-24.85	-11.46	13.43	41.33	51.80	38.54	38.00	11.55	-3.71	-23.83
1997	-25.61	-25.75	-24.64	-8.22	10.50	39.22	49.64	41.33	32.00	10.24	-0.86	-17.07
1998	-33.29	-30.83	-20.81	0.88	18.83	38.42	48.22	46.69	37.83	21.66	2.40	-15.96
1999	-25.61	-23.13	-7.23	-1.50	9.82	M	M	M	M	M	M	M
2000	31.28	11.60	21.20	43.25	46.76	42.80	M	66.20	M	26.60	M	32.00
2001	23.06	3.52	35.60	30.80	40.42	44.30	48.72	49.94	42.98	32.87	27.92	15.28
2002	19.14	17.90	1.11	22.70	34.03	45.86	53.48	45.47	41.42	24.22	30.74	22.13
2003	-16.56	14.90	17.66	31.10	38.62	45.38	50.12	50.51	41.72	35.60	18.08	21.14
2004	M	12.20	M	M	M	55.25	59.69	60.05	53.11	41.63	31.07	23.50
2005	11.45	18.76	22.65	30.70	37.23	44.36	48.66	M	46.40	36.30	27.26	16.61
2006	27.99	15.67	21.90	40.81	47.48	54.23	58.32	58.86	51.80	33.80	22.13	28.33
2007	16.88	13.98	28.89	30.17	38.88	44.88	53.65	45.73	39.13	35.45	21.75	13.88
2008	9.62	16.75	23.63	25.45	39.01	42.80	48.04	48.85	40.47	32.50	31.27	3.22
2009	12.83	13.45	16.86	27.96	37.45	41.65	49.52	47.28	43.09	27.15	29.90	2.86
2010	15.47	18.81	27.92	29.05	32.99	44.35	47.46	47.46	40.38	38.61	15.18	13.96
2011	8.72	7.31	17.14	27.00	36.17	45.85	48.54	48.19	44.72	34.55	23.00	22.36
2012	18.06	16.23	25.55	31.40	37.86	46.52	50.58	46.69	42.50	28.17	23.60	13.30
2013	18.12	23.45	17.89	25.76	39.61	45.56	48.37	49.54	45.26	31.77	19.94	9.82
2014	17.14	2.04	14.12	29.84	36.82	44.00	51.28	49.71	40.70	38.56	15.49	21.43
2015	19.28	17.79	30.03	29.78	36.59	47.00	48.72	46.92	41.24	37.52	21.50	17.48
2016	18.18	29.08	28.69	35.42	38.15	45.98	49.77	47.27	42.08	33.16	32.48	3.55
2017	10.11	12.39	21.32	31.64	38.85	46.52	49.36	48.08	42.26	32.12	22.46	9.99
2018	18.70	0.05	17.19	23.84	43.44	46.52	47.15	47.39	36.62	29.68	24.80	21.14
2019	20.39	-9.85	14.70	31.52	37.46	44.72	47.04	47.56	42.62	26.31	20.72	21.08
2020	13.94	17.85	14.35	25.58	38.27	47.06	46.81	48.61	42.38	27.30	26.06	23.58
2021	20.21	0.63	24.10	27.62	36.24	47.48	53.25	49.19	43.64	30.84	27.26	2.79
2022	15.50	16.19	23.35	24.62	37.92	44.30	50.52	51.68	44.78	35.66	13.46	5.12
2023	22.25	17.99	12.14	30.08	43.15	48.20	47.91	50.75	43.16	31.65	27.74	28.28
2024	9.65	16.54	16.21	31.94	37.46	43.16	53.31	50.06	45.86	35.95	19.58	26.31
2025	14.64	2.24	26.72	30.20	40.13	44.78	48.20	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
1993	M	M	M	M	M	M	51.65	46.37	29.83	15.35	-4.88	-14.91
1994	M	M	-8.43	5.00	35.31	43.77	56.68	49.56	33.70	22.44	13.50	-5.71
1995	M	-31.57	-19.85	0.05	13.00	35.50	43.25	43.00	31.68	14.08	-11.56	-24.53
1996	-24.26	-22.68	-18.26	-4.67	18.66	48.44	59.93	44.58	43.26	15.41	0.25	-18.59
1997	-19.41	-20.04	-18.57	0.04	16.25	43.78	56.10	47.95	36.56	13.38	2.68	-12.71
1998	-28.82	-25.94	-13.96	7.10	23.29	42.42	55.93	52.90	40.98	25.59	7.58	-10.09
1999	-20.54	-18.50	-1.90	4.59	16.36	M	M	M	M	M	M	M
2000	31.46	13.40	21.20	44.15	48.74	50.00	M	66.20	M	28.40	M	32.00
2001	29.68	12.91	37.40	37.79	52.50	54.41	61.99	65.47	56.39	42.19	35.66	22.88
2002	25.06	22.90	10.95	31.55	43.87	56.54	65.30	57.32	51.56	35.19	38.66	29.27
2003	9.40	23.39	27.33	40.19	47.74	57.05	65.04	65.99	53.51	46.63	24.86	28.11
2004	M	24.80	M	M	M	58.47	64.36	63.80	54.01	43.25	33.71	26.41
2005	20.36	29.07	32.12	41.12	48.72	53.15	61.35	M	48.20	44.66	33.53	23.55
2006	33.60	20.72	25.09	42.66	50.86	56.97	62.26	63.08	53.80	34.77	24.06	30.13
2007	24.95	22.17	38.15	38.71	49.78	56.24	69.10	60.76	51.68	44.10	30.55	21.35
2008	19.00	25.67	32.22	35.40	49.11	54.73	61.94	61.79	53.67	43.72	38.43	12.12
2009	22.67	22.96	25.82	37.85	48.72	53.30	60.96	59.23	57.71	34.18	36.63	10.76
2010	23.40	28.10	38.25	39.95	42.55	54.21	59.70	58.72	49.28	48.05	23.89	22.17
2011	18.19	15.52	24.26	34.19	46.15	54.48	61.06	62.71	58.16	43.50	30.26	28.95
2012	25.00	25.23	33.31	42.50	48.40	55.43	63.12	62.08	57.41	37.43	31.61	20.33
2013	25.99	30.36	29.33	35.87	51.19	55.91	61.44	62.60	56.33	41.81	28.46	18.44
2014	26.57	11.94	21.14	39.89	47.91	54.08	64.60	61.35	52.37	47.91	24.02	27.99
2015	27.65	27.69	38.82	41.90	47.56	59.60	61.73	62.14	52.73	47.79	29.54	24.19
2016	25.18	37.18	37.84	46.97	49.45	57.77	61.24	59.99	52.49	41.41	40.19	10.89
2017	17.19	19.85	29.45	40.70	51.77	57.92	65.97	63.01	54.08	41.21	29.09	18.38
2018	25.96	11.08	25.93	34.01	55.25	57.14	61.73	61.76	46.88	38.88	32.39	27.70
2019	28.81	-1.30	25.18	41.18	47.48	56.03	59.38	60.80	51.47	35.37	28.34	27.67
2020	21.26	26.54	23.52	35.57	47.94	56.09	60.54	63.38	55.52	37.89	33.23	30.49
2021	27.41	9.69	35.60	39.14	46.60	60.11	67.94	61.24	55.55	41.96	35.57	13.25
2022	24.11	24.64	32.75	34.85	47.27	54.92	64.23	66.81	58.19	47.71	20.90	12.72
2023	28.57	25.06	20.97	40.10	56.01	59.78	63.82	64.60	54.47	41.09	35.36	34.87
2024	18.65	24.83	25.35	41.36	47.53	54.47	67.56	62.51	58.25	47.10	27.71	32.70
2025	22.54	10.46	34.67	41.36	52.82	57.56	53.60	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
1993	M	M	M	M	M	M	76.8%	79.8%	86.5%	90.2%	7.6%	7.0%
1994	M	M	7.4%	8.0%	2.6%	3.2%	M	M	82.2%	86.5%	85.8%	82.7%
1995	M	78.8%	81.0%	83.8%	88.2%	83.8%	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	M	M	M	M
2000	M	79.0%	M	M	70.1%	64.7%	M	M	M	M	M	63.8%
2001	59.7%	72.5%	57.4%	63.8%	44.0%	64.9%	57.5%	42.7%	51.4%	51.8%	59.6%	66.5%
2002	63.4%	73.7%	65.0%	52.6%	65.5%	61.3%	53.0%	70.6%	69.2%	70.7%	57.8%	67.6%
2003	M	M	M	M	M	M	M	76.6%	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	59.0%	M	M	M	M	M	50.6%
2007	53.6%	72.4%	60.9%	68.5%	63.2%	62.3%	48.5%	51.5%	57.5%	56.6%	57.8%	64.6%
2008	61.7%	66.3%	56.3%	56.3%	64.2%	63.7%	59.0%	53.3%	60.9%	52.7%	55.6%	67.1%
2009	58.3%	64.8%	63.5%	56.6%	55.4%	62.0%	69.8%	71.0%	52.5%	73.2%	55.4%	72.6%
2010	74.6%	71.7%	54.5%	59.8%	69.5%	67.3%	68.2%	66.7%	74.9%	58.1%	66.8%	68.1%
2011	68.1%	69.2%	73.1%	67.0%	65.3%	66.9%	55.4%	55.7%	49.4%	62.3%	61.4%	64.1%
2012	63.8%	70.1%	69.9%	60.0%	51.9%	62.6%	47.7%	58.6%	50.1%	73.3%	73.5%	71.6%
2013	66.7%	66.5%	71.8%	68.0%	57.0%	67.5%	67.7%	66.3%	65.9%	65.5%	70.4%	71.4%
2014	67.5%	73.1%	76.5%	60.5%	63.3%	68.1%	60.4%	68.3%	66.9%	61.9%	72.5%	72.2%
2015	65.4%	74.3%	62.8%	55.1%	67.0%	65.4%	61.8%	55.7%	60.4%	60.7%	71.5%	74.2%
2016	74.2%	56.1%	61.6%	59.0%	64.6%	58.1%	66.1%	66.0%	63.8%	73.3%	64.0%	72.8%
2017	70.4%	74.3%	68.0%	66.0%	56.5%	59.4%	50.9%	52.7%	57.2%	59.4%	70.9%	64.8%
2018	70.8%	75.7%	77.9%	66.4%	58.0%	57.2%	60.0%	52.5%	71.3%	66.2%	64.5%	63.5%
2019	63.7%	74.0%	68.3%	59.2%	67.8%	62.9%	65.0%	64.4%	70.0%	62.8%	69.6%	70.2%
2020	64.8%	64.6%	69.0%	61.8%	64.8%	66.7%	59.7%	49.0%	60.2%	67.0%	62.2%	64.0%
2021	64.3%	68.5%	53.6%	56.7%	63.7%	59.5%	57.7%	61.1%	53.6%	57.9%	59.6%	69.4%
2022	62.0%	60.8%	64.2%	56.1%	55.0%	63.4%	61.2%	52.6%	57.5%	61.3%	69.8%	73.0%
2023	65.5%	60.1%	72.5%	60.0%	60.0%	60.2%	55.5%	53.3%	61.6%	69.4%	61.7%	63.8%
2024	68.8%	74.7%	71.3%	57.0%	62.9%	57.6%	52.7%	60.4%	57.2%	51.0%	69.7%	61.8%
2025	60.6%	66.6%	66.7%	57.3%	52.4%	55.0%	M	M	M	M	M	M