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	M	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	0.02	0.00	0.04	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.02
2001	0.77	3.82	0.00	5.30	2.94	2.52	6.87	3.14	2.17	4.15	1.99	2.74
2002	1.33	4.88	12.80	4.01	10.09	4.73	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	0.05	0.13	0.73	2.69	2.12	2.26	4.60	3.01	3.75	15.27	1.57	2.60
2008	3.56	1.33	11.08	28.83	5.24	M	M	0.22	2.67	0.58	4.06	11.18
2009	18.27	2.64	17.43	6.52	5.33	7.44	2.62	7.06	6.03	1.53	1.55	1.91
2010	1.04	0.64	12.36	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	M	M	M	M	M
2013	M	M	M	M	M	M	M	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	7.2	11.6	8.7	11.3	10.3	6.6	M	M	M	M	M	9.5
1996	12.0	11.3	10.3	9.9	8.6	7.2	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	12.9	12.4	13.4	13.1
2000	11.2	9.9	10.6	10.2	9.5	9.7	7.9	8.3	11.0	8.7	11.0	11.6
2001	8.7	11.1	9.2	9.5	9.8	8.5	10.3	9.0	10.1	13.6	11.2	13.2
2002	12.2	12.2	12.3	11.1	11.7	8.1	8.9	8.6	9.3	10.4	12.7	12.9
2003	9.4	9.8	8.6	9.3	9.3	8.8	10.1	8.2	11.3	11.4	12.6	11.2
2004	10.7	8.7	10.5	10.8	9.2	9.9	8.4	9.3	8.1	11.1	10.9	13.0
2005	9.9	7.9	8.1	8.8	8.2	7.4	8.4	8.5	10.4	9.4	14.4	13.1
2006	10.0	11.0	10.2	9.5	8.9	8.1	8.9	8.7	9.5	12.7	8.7	13.2
2007	11.2	11.0	10.5	10.5	7.4	8.5	8.6	9.1	9.4	10.9	12.9	11.3
2008	12.1	9.5	10.3	9.2	11.5	M	M	6.9	7.6	10.6	10.3	14.5
2009	9.5	10.4	9.5	11.9	11.4	7.3	9.6	9.7	7.6	10.9	8.6	13.3
2010	10.3	9.0	8.1	10.2	8.6	9.2	8.5	8.6	11.6	11.3	10.9	11.8
2011	8.2	11.1	9.9	11.0	8.1	9.3	8.3	8.8	8.3	10.4	12.3	12.0
2012	11.6	10.4	10.0	11.3	7.8	9.3	6.8	M	M	M	M	M
2013	M	M	M	M	M	M	M	8.6	9.3	10.9	14.6	9.7
2014	12.8	9.3	10.3	10.5	9.0	8.3	9.6	8.6	9.0	12.0	15.7	10.1
2015	11.8	10.0	10.9	11.1	8.8	7.9	7.9	9.4	7.6	11.5	11.5	12.6
2016	11.8	11.3	8.2	9.3	8.6	9.7	9.7	8.9	8.8	10.0	11.0	14.9
2017	11.2	10.3	11.0	10.6	9.8	9.0	7.8	9.2	6.4	12.2	12.5	11.1
2018	12.0	10.0	10.5	10.6	8.3	8.4	7.9	8.6	9.1	11.6	12.1	9.6
2019	11.5	11.7	10.0	10.5	9.0	9.1	7.8	9.1	8.8	11.0	12.8	10.4
2020	9.6	10.2	9.6	11.9	10.0	8.7	8.0	8.3	10.2	11.0	12.2	11.8
2021	8.7	9.6	10.8	10.2	8.2	9.0	7.6	7.2	10.7	8.7	11.5	12.3
2022	10.2	11.1	10.5	11.0	8.0	9.5	8.8	8.0	8.2	10.2	12.4	14.3
2023	8.2	12.2	10.4	8.8	6.9	7.1	7.3	8.5	6.7	10.6	12.8	9.0
2024	11.6	8.6	10.8	10.8	8.0	9.8	7.1	7.4	7.4	9.6	12.0	11.3
2025	11.9	9.6	11.1	11.1	9.7	9.0	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	M	33.44
1995	30.13	24.11	39.58	43.04	60.58	71.72	73.29	74.61	60.52	52.68	34.18	22.17
1996	20.35	23.52	31.90	40.97	57.13	67.58	69.47	71.89	64.69	50.68	34.10	31.00
1997	20.32	25.84	30.21	39.54	50.53	70.69	72.23	68.53	61.72	51.17	37.83	29.17
1998	27.29	30.12	31.23	49.85	65.50	68.59	73.70	73.21	66.89	53.75	41.08	34.41
1999	22.68	29.60	31.73	48.21	64.68	73.78	75.18	71.05	67.27	53.13	44.90	33.77
2000	23.50	29.57	42.24	47.42	60.62	68.19	72.45	72.94	65.17	54.94	42.66	22.56
2001	26.48	26.37	33.19	48.37	63.27	71.86	72.93	77.05	66.51	55.45	47.88	37.14
2002	31.64	31.89	35.33	46.33	54.84	69.98	77.64	75.67	72.04	51.68	39.98	31.35
2003	19.32	21.81	34.86	43.22	59.69	70.28	75.56	75.91	68.10	52.70	43.61	33.29
2004	33.10	29.10	M	M	M	64.22	71.01	68.01	65.35	51.89	39.40	23.74
2005	22.84	27.53	32.27	49.59	58.64	75.83	78.95	M	59.20	56.00	43.37	26.81
2006	31.45	18.26	27.12	42.36	59.97	67.92	74.30	74.52	61.39	54.47	39.29	34.53
2007	27.62	20.50	34.90	45.06	63.24	73.37	74.40	75.07	68.39	61.11	40.41	28.49
2008	29.33	25.47	30.86	52.61	56.64	M	M	72.11	67.36	53.32	40.43	29.63
2009	19.56	29.20	37.17	49.05	60.44	67.68	70.44	73.78	67.90	51.22	46.94	30.25
2010	23.64	27.26	43.84	54.47	65.63	68.60	77.29	76.26	65.26	55.31	44.81	26.92
2011	21.19	25.84	33.66	48.28	62.00	70.18	79.25	74.92	68.07	55.56	47.31	35.29
2012	29.77	32.04	45.97	48.36	66.36	72.49	78.02	M	M	M	M	M
2013	M	M	M	M	M	M	M	73.38	66.08	57.07	40.02	24.50
2014	19.58	20.65	28.39	45.05	61.19	71.88	71.95	72.08	66.67	55.58	39.09	32.46
2015	22.84	13.65	31.54	48.28	66.18	68.52	75.36	72.65	72.64	53.95	48.01	41.48
2016	28.75	29.50	37.64	45.42	63.35	71.35	77.12	78.78	71.44	56.65	47.87	32.59
2017	30.44	32.62	32.33	52.01	58.11	68.14	73.59	72.03	70.28	60.02	41.90	24.76
2018	24.63	31.09	34.38	40.16	67.47	71.44	78.03	77.04	69.62	51.28	37.02	32.77
2019	22.35	26.47	32.33	45.18	58.04	68.60	78.58	74.10	67.16	55.85	37.06	32.12
2020	30.50	28.03	38.79	45.45	58.91	73.49	79.75	75.16	65.88	52.09	47.13	33.81
2021	28.01	25.72	41.33	50.53	61.09	73.03	73.22	78.25	67.58	59.94	43.38	35.66
2022	21.58	27.15	35.09	46.91	65.60	70.63	75.64	75.94	67.68	57.18	45.51	33.61
2023	30.49	31.20	35.72	50.83	62.02	71.67	75.84	72.31	71.06	57.33	42.41	36.89
2024	29.52	33.69	40.98	50.65	64.81	70.98	77.21	74.47	71.87	58.05	45.92	32.92
2025	24.11	23.49	39.22	47.13	60.81	72.26	70.70	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	M	24.44
1995	19.30	4.86	22.87	31.46	46.87	59.92	63.23	65.57	47.45	45.61	26.57	8.63
1996	5.39	9.41	14.42	29.10	42.97	58.00	60.43	62.26	53.42	41.39	27.53	25.14
1997	7.72	11.40	16.00	29.86	41.93	59.90	62.30	58.17	52.36	40.43	30.48	21.83
1998	17.65	19.38	23.47	38.30	54.64	58.52	63.63	65.07	57.54	43.43	35.00	25.76
1999	9.57	16.68	20.17	37.12	53.00	61.22	64.18	60.25	56.31	40.97	34.73	20.23
2000	9.41	16.90	28.53	35.72	48.82	55.86	59.10	60.71	50.87	43.58	31.28	8.18
2001	11.99	12.53	18.90	35.62	49.70	57.68	59.69	63.26	51.39	43.79	36.86	28.73
2002	21.78	16.94	21.90	34.60	43.52	57.30	64.42	61.08	57.68	39.11	29.57	19.25
2003	-14.82	-6.84	14.90	26.35	45.61	54.99	61.94	61.92	54.02	41.24	32.48	22.17
2004	33.10	14.85	M	M	M	62.79	66.88	65.12	62.95	49.41	36.36	18.55
2005	6.07	10.32	13.67	34.45	43.96	62.96	63.93	M	58.80	45.00	30.66	16.39
2006	18.76	11.24	21.49	39.74	56.95	62.97	71.35	70.22	58.03	54.05	37.41	31.61
2007	13.88	2.14	19.95	33.27	46.32	57.50	59.92	61.21	54.14	48.66	29.68	17.87
2008	16.89	9.89	14.56	37.00	44.50	M	M	55.40	52.95	39.93	29.64	15.45
2009	1.96	12.45	22.16	35.38	44.62	54.13	59.00	61.16	50.79	40.34	35.39	19.78
2010	11.05	14.61	27.75	39.45	50.25	58.02	66.82	63.98	53.97	43.01	31.18	17.09
2011	5.63	9.38	20.60	33.89	49.38	56.30	65.56	63.05	54.36	45.05	36.96	25.53
2012	17.12	20.66	29.18	34.46	50.31	59.06	62.33	M	M	M	M	M
2013	M	M	M	M	M	M	M	60.65	50.86	44.19	27.38	13.21
2014	3.75	3.67	9.60	31.71	46.96	57.12	59.74	58.46	52.65	44.70	29.73	23.31
2015	4.34	-5.09	15.86	33.33	48.97	55.15	60.80	61.63	58.06	41.02	36.36	32.93
2016	14.85	15.02	25.43	30.36	47.17	55.47	63.62	64.56	55.74	44.38	35.22	21.18
2017	20.37	19.40	19.73	38.06	46.43	56.97	62.41	59.43	54.81	48.40	28.78	12.18
2018	9.76	15.75	22.57	27.78	50.13	55.72	63.83	65.17	55.80	40.13	27.64	22.42
2019	6.87	11.69	17.39	31.98	44.23	54.56	64.15	59.29	52.95	42.95	26.00	20.63
2020	17.76	13.89	25.92	33.40	45.22	56.85	66.10	61.08	53.10	41.15	35.69	24.10
2021	17.60	9.68	23.38	37.97	45.19	60.35	61.13	65.25	54.19	50.29	32.36	24.31
2022	0.73	9.81	23.35	34.33	49.64	56.05	62.00	61.48	53.87	41.73	34.98	24.55
2023	20.82	16.11	22.96	35.27	44.49	57.03	62.97	59.37	54.87	46.93	30.73	29.34
2024	21.47	21.06	29.28	37.81	51.51	58.95	63.97	61.05	55.77	43.91	35.24	22.57
2025	10.59	9.57	23.45	33.82	46.88	59.16	69.00	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	M	28.94
1995	24.72	14.48	31.23	37.25	53.73	65.82	68.26	70.09	53.98	49.14	30.38	15.40
1996	12.87	16.47	23.16	35.03	50.05	62.79	64.95	67.07	59.06	46.04	30.82	28.07
1997	14.02	18.62	23.10	34.70	46.23	65.29	67.27	63.35	57.04	45.80	34.16	25.50
1998	22.47	24.75	27.35	44.07	60.07	63.55	68.67	69.14	62.21	48.59	38.04	30.09
1999	16.12	23.14	25.95	42.67	58.84	67.50	69.68	65.65	61.79	47.05	39.82	27.00
2000	16.46	23.24	35.38	41.57	54.72	62.02	65.77	66.83	58.02	49.26	36.97	15.37
2001	19.23	19.45	26.04	42.00	56.49	64.77	66.31	70.15	58.95	49.62	42.37	32.94
2002	26.71	24.41	28.61	40.46	49.18	63.64	71.03	68.38	64.86	45.40	34.77	25.30
2003	2.25	7.48	24.88	34.79	52.65	62.63	68.75	68.92	61.06	46.97	38.05	27.73
2004	33.10	21.98	M	M	M	63.50	68.94	66.57	64.15	50.65	37.88	21.15
2005	14.45	18.93	22.97	42.02	51.30	69.39	71.44	M	59.00	50.50	37.01	21.60
2006	25.10	14.75	24.30	41.05	58.46	65.44	72.83	72.37	59.71	54.26	38.35	33.07
2007	20.75	11.32	27.43	39.16	54.78	65.43	67.16	68.14	61.26	54.88	35.05	23.18
2008	23.11	17.68	22.71	44.81	50.57	M	M	63.76	60.16	46.62	35.04	22.54
2009	10.76	20.82	29.66	42.21	52.53	60.90	64.72	67.47	59.35	45.78	41.17	25.01
2010	17.34	20.94	35.80	46.96	57.94	63.31	72.05	70.12	59.61	49.16	38.00	22.01
2011	13.41	17.61	27.13	41.09	55.69	63.24	72.40	68.98	61.21	50.31	42.13	30.41
2012	23.45	26.35	37.58	41.41	58.34	65.77	70.17	M	M	M	M	M
2013	M	M	M	M	M	M	M	67.01	58.47	50.63	33.70	18.85
2014	11.67	12.16	19.00	38.38	54.08	64.50	65.84	65.27	59.66	50.14	34.41	27.89
2015	13.59	4.28	23.70	40.81	57.58	61.83	68.08	67.14	65.35	47.49	42.18	37.20
2016	21.80	22.26	31.54	37.89	55.26	63.41	70.37	71.67	63.59	50.51	41.54	26.89
2017	25.40	26.01	26.03	45.03	52.27	62.55	68.00	65.73	62.55	54.21	35.34	18.47
2018	17.19	23.42	28.47	33.97	58.80	63.58	70.93	71.10	62.71	45.71	32.33	27.60
2019	14.61	19.08	24.86	38.58	51.13	61.58	71.37	66.70	60.05	49.40	31.53	26.37
2020	24.13	20.96	32.35	39.42	52.06	65.17	72.93	68.12	59.49	46.62	41.41	28.95
2021	22.80	17.70	32.35	44.25	53.14	66.69	67.18	71.75	60.89	55.11	37.87	29.99
2022	11.15	18.48	29.22	40.62	57.62	63.34	68.82	68.71	60.78	49.46	40.24	29.08
2023	25.65	23.65	29.34	43.05	53.26	64.35	69.41	65.84	62.96	52.13	36.57	33.12
2024	25.50	27.37	35.13	44.23	58.16	64.97	70.59	67.76	63.82	50.98	40.58	27.75
2025	17.35	16.53	31.33	40.47	53.85	65.71	69.85	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	91.2%	78.5%	75.8%	75.4%	72.1%	80.8%	M	M	M	M	M	90.1%
1996	83.1%	85.4%	75.4%	82.5%	74.8%	74.0%	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	76.2%	73.2%	75.9%	78.5%
2000	73.3%	77.0%	71.4%	67.6%	75.5%	77.2%	74.7%	76.8%	76.6%	75.9%	80.9%	78.9%
2001	84.6%	80.6%	73.2%	71.2%	71.0%	74.8%	71.9%	73.2%	78.2%	77.9%	80.2%	83.0%
2002	83.5%	75.7%	75.2%	74.7%	71.0%	75.6%	76.4%	79.3%	81.3%	84.2%	86.4%	86.3%
2003	88.8%	80.6%	80.6%	73.9%	78.0%	79.8%	79.1%	83.6%	82.6%	86.4%	88.0%	85.7%
2004	81.4%	84.9%	86.0%	77.5%	81.8%	75.5%	83.3%	79.9%	81.9%	81.8%	81.8%	86.2%
2005	78.2%	82.7%	79.2%	71.5%	74.3%	82.4%	77.0%	81.2%	81.2%	85.1%	86.2%	87.5%
2006	90.9%	86.5%	76.8%	76.2%	78.9%	81.6%	84.1%	79.3%	87.2%	85.6%	90.7%	87.7%
2007	85.9%	81.3%	75.2%	82.3%	74.7%	80.2%	82.1%	81.7%	84.9%	88.7%	87.3%	90.7%
2008	91.0%	89.8%	81.0%	75.7%	80.5%	M	M	84.2%	88.8%	86.7%	92.1%	90.7%
2009	88.8%	85.4%	79.0%	77.5%	78.7%	86.6%	87.1%	87.3%	87.7%	88.6%	89.7%	90.0%
2010	90.5%	90.7%	77.6%	74.8%	82.9%	89.8%	88.2%	88.5%	91.4%	85.0%	87.6%	92.9%
2011	91.7%	87.0%	83.4%	84.5%	86.7%	86.8%	84.8%	88.1%	91.7%	90.4%	91.1%	94.2%
2012	93.7%	92.5%	87.6%	80.1%	83.7%	87.8%	86.6%	M	M	M	M	M
2013	M	M	M	M	M	M	M	73.7%	77.7%	77.3%	76.1%	83.6%
2014	80.9%	78.6%	71.4%	73.2%	72.3%	73.0%	71.5%	77.6%	78.4%	80.2%	79.2%	83.2%
2015	78.0%	74.8%	72.8%	69.4%	71.1%	75.9%	71.6%	76.0%	75.5%	74.9%	79.4%	84.4%
2016	82.8%	77.8%	79.1%	66.9%	67.7%	66.8%	68.5%	72.2%	72.3%	76.8%	79.4%	80.5%
2017	83.8%	82.2%	71.4%	73.6%	74.0%	75.0%	74.0%	73.6%	76.6%	75.7%	76.9%	78.5%
2018	78.7%	80.9%	66.7%	73.2%	66.5%	69.0%	68.4%	74.2%	76.5%	77.0%	79.8%	82.9%
2019	76.6%	78.3%	74.3%	74.7%	74.0%	70.9%	69.4%	67.6%	75.5%	75.4%	77.6%	81.5%
2020	81.2%	75.6%	74.8%	68.7%	66.2%	70.8%	73.6%	76.0%	76.4%	76.1%	78.1%	80.1%
2021	80.7%	74.7%	64.8%	71.1%	67.1%	72.9%	77.6%	77.1%	76.6%	81.6%	79.4%	79.0%
2022	74.6%	74.8%	75.9%	71.2%	68.1%	71.3%	71.9%	77.3%	78.4%	74.5%	77.0%	81.4%
2023	83.4%	76.9%	73.4%	72.0%	66.5%	71.7%	76.6%	76.1%	77.1%	80.5%	75.3%	86.2%
2024	84.2%	78.0%	74.1%	73.6%	75.8%	76.7%	75.5%	77.7%	78.9%	76.4%	77.9%	85.8%
2025	81.6%	82.5%	76.3%	72.2%	74.6%	75.6%	M	M	M	M	M	M