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	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	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	M	M	M	M	M	M	M	M
1999	M	M	M	M	M	M	M	M	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	14.3	17.2	17.8	16.7	12.2	11.2	11.7	12.4	12.9	13.0	17.9	17.1
1995	14.9	16.7	15.4	12.3	9.9	10.6	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	9.6	18.4	17.2	18.5
2000	18.8	17.3	12.9	15.0	11.9	13.1	10.4	10.4	13.0	14.0	12.8	20.1
2001	14.9	17.5	14.0	13.1	11.0	13.0	12.9	10.5	12.0	15.5	15.0	17.5
2002	15.9	16.5	19.3	14.8	12.5	12.3	11.2	11.5	11.7	15.8	16.3	16.9
2003	17.8	20.9	15.4	15.3	11.2	12.8	10.8	11.8	12.7	16.8	16.4	17.4
2004	20.6	19.6	13.3	12.9	15.2	11.9	9.8	10.5	11.4	12.3	16.8	19.3
2005	17.4	14.1	15.4	17.8	11.6	10.9	11.2	11.4	12.9	13.5	17.8	20.7
2006	17.5	16.2	14.4	15.1	12.0	10.7	11.1	11.4	11.9	15.7	15.2	18.6
2007	17.5	19.4	16.8	13.6	13.0	11.3	10.3	11.5	14.3	14.2	16.8	18.1
2008	17.7	18.0	17.5	13.8	11.0	12.1	10.5	11.7	11.8	14.5	18.2	19.4
2009	19.1	16.2	15.9	15.8	13.7	11.6	11.4	12.0	12.6	14.9	15.9	17.2
2010	17.8	15.5	14.9	12.3	13.7	12.5	10.8	10.8	13.1	16.8	14.7	22.0
2011	17.1	18.4	15.5	14.6	11.7	12.1	9.8	11.9	12.1	11.9	15.3	16.1
2012	18.6	14.7	15.3	15.6	11.6	11.2	10.9	11.2	13.1	15.0	16.3	18.8
2013	19.3	17.1	16.7	14.3	12.2	12.3	13.0	11.2	14.2	13.9	18.1	18.6
2014	21.5	17.0	19.5	14.7	11.2	11.6	11.3	10.7	14.0	13.1	19.5	18.4
2015	18.8	18.0	16.9	16.8	12.6	10.9	11.7	10.1	12.9	15.8	15.5	17.2
2016	17.6	17.9	18.4	17.1	11.9	13.8	10.9	10.6	13.4	15.2	15.2	19.4
2017	18.6	18.0	14.6	12.6	13.9	11.6	11.4	11.1	11.5	14.9	18.4	22.5
2018	18.5	16.3	16.2	14.2	13.8	12.2	11.1	10.5	12.7	15.6	18.6	16.9
2019	21.1	22.7	18.4	18.1	12.1	13.7	11.7	11.6	14.3	13.7	20.5	19.7
2020	16.7	19.6	17.1	17.3	15.2	12.0	11.1	13.4	13.4	14.5	14.7	17.9
2021	14.4	16.5	19.3	14.4	18.4	12.1	10.1	11.2	13.1	12.5	18.2	19.6
2022	18.9	18.6	18.2	14.6	13.1	12.1	12.4	9.9	12.6	14.9	17.0	19.9
2023	15.2	15.9	14.3	13.6	13.8	11.4	9.7	11.1	11.6	13.9	16.8	18.2
2024	19.3	15.8	15.2	13.4	11.2	10.5	10.2	10.4	10.6	15.7	16.3	19.4
2025	18.6	18.9	15.0	15.0	13.2	12.0	10.0	M	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1994	2.86	11.76	25.05	29.53	44.35	52.93	56.94	53.81	51.00	47.87	36.60	24.72
1995	17.97	15.11	25.97	35.80	45.42	52.23	58.17	55.25	49.69	43.15	35.82	21.13
1996	16.04	19.62	25.67	35.30	40.48	51.08	56.04	56.31	52.30	43.26	34.44	28.59
1997	19.65	15.43	22.73	34.11	40.00	49.25	53.63	52.92	50.50	39.72	30.07	22.83
1998	19.80	19.55	24.64	57.53	M	M	M	M	M	M	M	M
1999	M	M	M	M	M	M	M	M	56.20	44.68	36.97	27.74
2000	20.47	21.92	31.76	35.25	42.72	53.05	59.52	59.77	51.13	42.09	39.21	26.74
2001	21.38	20.70	31.05	36.67	47.65	54.52	55.30	57.88	51.86	44.29	35.65	30.20
2002	17.29	18.93	26.44	35.08	42.95	50.12	57.48	58.30	51.42	43.09	33.54	26.65
2003	20.32	18.11	25.72	34.08	45.85	53.69	57.10	59.43	52.67	44.63	35.77	27.46
2004	12.60	19.05	M	M	M	47.28	56.52	53.52	46.28	44.32	31.66	18.90
2005	15.23	21.90	29.87	35.50	45.34	54.36	60.90	M	45.50	46.45	38.71	25.21
2006	25.03	15.15	28.85	36.12	43.66	55.00	55.60	53.61	48.38	42.68	36.07	24.85
2007	21.16	20.21	27.07	35.59	43.91	52.34	57.84	55.65	50.13	46.54	36.29	21.94
2008	20.61	20.74	24.36	38.69	47.42	53.85	61.74	64.08	56.10	46.52	38.48	23.42
2009	15.43	25.43	27.66	38.20	43.97	53.16	60.75	60.40	51.76	44.52	39.72	28.82
2010	26.53	30.91	33.70	40.74	48.18	54.28	60.68	60.04	55.89	47.20	39.81	36.17
2011	25.17	21.34	29.39	35.91	44.06	52.62	60.48	61.41	53.27	46.00	38.66	26.93
2012	19.54	22.07	29.03	37.41	47.33	56.12	60.19	63.38	56.20	45.24	36.56	27.92
2013	19.12	30.60	M	M	M	M	M	M	53.19	46.85	36.82	17.35
2014	23.37	19.58	22.97	34.83	44.14	55.12	60.67	64.32	52.07	45.69	34.36	28.00
2015	17.70	11.98	26.31	35.20	44.04	51.91	57.04	61.69	55.38	43.32	35.57	29.35
2016	22.91	23.83	26.00	35.17	46.03	53.40	58.41	58.81	52.35	46.78	38.97	24.56
2017	22.77	22.32	26.72	34.86	45.18	52.87	57.51	56.50	55.44	47.81	35.76	23.27
2018	20.37	22.44	33.48	35.54	41.35	50.80	58.50	59.68	50.81	39.83	32.63	25.73
2019	23.01	18.70	27.27	35.26	43.82	51.93	60.66	60.22	51.17	46.22	34.47	26.85
2020	20.80	24.54	28.65	36.19	45.81	54.15	60.69	59.09	50.03	41.98	34.81	32.11
2021	27.48	26.40	30.01	41.26	44.04	50.96	60.88	63.10	57.02	51.48	40.76	30.17
2022	18.00	19.36	28.45	37.64	45.47	56.05	58.54	63.15	54.28	48.13	34.58	31.68
2023	24.89	19.02	32.37	37.07	46.20	53.41	63.11	61.37	59.08	51.58	36.15	31.47
2024	25.57	27.36	32.55	38.79	46.52	56.74	62.70	60.43	54.11	47.90	39.99	29.42
2025	26.03	23.34	29.04	36.32	45.65	54.43	61.49	M	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1994	-6.14	2.80	18.63	24.47	38.25	45.57	47.87	45.03	43.50	41.29	29.57	14.93
1995	7.06	0.25	15.77	28.23	36.39	44.15	51.14	48.17	45.54	39.05	30.59	13.00
1996	5.04	10.69	18.52	31.52	35.41	45.48	50.22	49.41	45.44	37.96	29.11	20.83
1997	9.19	5.57	13.23	28.14	35.96	42.88	47.81	47.84	46.14	35.16	25.57	15.61
1998	10.07	11.80	15.44	34.00	M	M	M	M	M	M	M	M
1999	M	M	M	M	M	M	M	M	49.60	37.71	29.00	18.87
2000	10.69	10.62	22.92	29.27	36.24	43.44	49.58	50.42	42.40	35.85	32.14	16.06
2001	9.30	7.37	22.06	28.60	38.24	42.88	46.60	46.68	40.60	37.92	27.57	20.98
2002	4.35	5.21	13.39	27.25	33.82	40.43	47.88	48.88	41.91	35.38	25.85	17.30
2003	-11.74	-4.89	12.55	22.40	36.79	42.08	47.73	49.86	41.83	37.49	27.60	18.70
2004	11.80	10.85	M	M	M	45.07	52.99	50.52	44.63	41.83	28.78	15.07
2005	-0.13	11.15	18.97	28.92	35.94	43.19	47.59	M	44.60	39.29	28.81	15.44
2006	12.90	10.89	26.04	34.79	40.80	52.11	51.96	49.74	45.89	41.95	34.04	22.24
2007	8.95	9.28	13.55	26.88	34.63	42.46	47.57	44.44	40.72	37.92	25.99	10.15
2008	7.53	8.64	11.10	29.83	38.68	45.39	50.56	55.20	45.98	38.80	30.36	10.13
2009	4.01	14.45	14.60	29.25	34.87	44.22	53.14	50.65	42.25	36.01	32.39	19.85
2010	15.99	21.66	22.55	31.86	38.06	43.26	49.65	48.94	47.43	39.72	30.96	27.90
2011	14.79	7.49	16.79	27.25	35.95	44.31	49.40	52.58	43.22	38.09	29.67	13.73
2012	5.57	10.41	15.77	29.35	37.67	46.85	48.64	53.05	47.22	38.83	30.20	19.60
2013	3.71	-44.50	M	M	M	M	M	M	46.31	40.31	28.09	7.46
2014	7.84	9.42	12.32	27.37	36.70	45.01	49.45	55.09	43.77	38.43	25.47	17.60
2015	2.73	0.65	14.87	26.54	36.13	41.79	49.62	53.45	47.38	36.53	27.33	20.15
2016	12.11	9.79	14.53	26.21	37.38	45.61	48.68	48.01	44.85	39.75	31.28	13.14
2017	12.51	10.37	15.29	28.32	36.76	43.99	46.70	47.55	47.15	40.13	27.59	13.72
2018	8.48	8.20	26.35	25.52	33.66	41.00	47.86	49.14	41.71	34.10	25.42	16.06
2019	7.46	7.51	16.55	27.88	36.35	43.19	50.21	50.79	42.94	39.27	27.41	16.61
2020	9.85	11.46	17.43	28.91	36.57	44.24	52.02	50.32	40.77	35.54	27.19	22.74
2021	17.43	15.71	19.87	34.11	36.34	41.92	50.53	53.54	49.43	43.56	33.88	19.79
2022	3.21	6.08	18.86	31.00	36.13	47.08	47.85	51.79	45.92	42.24	26.97	22.00
2023	12.50	4.01	24.52	29.40	37.08	44.91	54.74	53.23	50.63	44.98	27.74	22.09
2024	11.90	15.41	25.02	30.36	38.98	47.19	50.76	49.28	45.15	41.05	33.82	21.10
2025	16.53	11.26	18.85	28.47	37.12	43.83	49.02	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	-1.64	7.28	21.84	27.00	41.30	49.25	52.40	49.42	47.25	44.58	33.08	19.83
1995	12.52	7.68	20.87	32.02	40.90	48.19	54.66	51.71	47.62	41.10	33.20	17.07
1996	10.54	15.15	22.10	33.41	37.95	48.28	53.13	52.86	48.87	40.61	31.78	24.71
1997	14.42	10.50	17.98	31.12	37.98	46.06	50.72	50.38	48.32	37.44	27.82	19.22
1998	14.93	15.68	20.04	44.16	M	M	M	M	M	M	M	M
1999	M	M	M	M	M	M	M	M	52.90	41.19	32.98	23.31
2000	15.58	16.27	27.34	32.26	39.48	48.24	54.55	55.10	46.77	38.97	35.67	21.40
2001	15.34	14.04	26.56	32.63	42.94	48.70	50.95	52.28	46.23	41.10	31.61	25.59
2002	10.82	12.07	19.91	31.17	38.39	45.27	52.68	53.59	46.67	39.23	29.69	21.97
2003	4.29	6.61	19.14	28.24	41.32	47.88	52.41	54.64	47.25	41.06	31.69	23.08
2004	12.20	14.95	M	M	M	46.17	54.75	52.02	45.45	43.08	30.22	16.98
2005	7.55	16.53	24.42	32.21	40.64	48.78	54.25	M	45.05	42.87	33.76	20.33
2006	18.97	13.02	27.45	35.45	42.23	53.55	53.78	51.67	47.13	42.32	35.05	23.54
2007	15.05	14.75	20.31	31.23	39.27	47.40	52.70	50.05	45.43	42.23	31.14	16.04
2008	14.07	14.69	17.73	34.26	43.05	49.62	56.15	59.64	51.04	42.66	34.42	16.77
2009	9.72	19.94	21.13	33.72	39.42	48.69	56.95	55.52	47.00	40.26	36.05	24.34
2010	21.26	26.29	28.12	36.30	43.12	48.77	55.16	54.49	51.66	43.46	35.38	32.03
2011	19.98	14.41	23.09	31.58	40.00	48.47	54.94	57.00	48.25	42.05	34.16	20.33
2012	12.56	16.24	22.40	33.38	42.50	51.48	54.42	58.22	51.71	42.03	33.38	23.76
2013	11.42	-6.95	M	M	M	M	M	M	49.75	43.58	32.45	12.41
2014	15.61	14.50	17.64	31.10	40.42	50.06	55.06	59.70	47.92	42.06	29.91	22.80
2015	10.21	6.31	20.59	30.87	40.09	46.85	53.33	57.57	51.38	39.93	31.45	24.75
2016	17.51	16.81	20.26	30.69	41.71	49.51	53.55	53.41	48.60	43.26	35.12	18.85
2017	17.64	16.35	21.00	31.59	40.97	48.43	52.11	52.02	51.30	43.97	31.67	18.50
2018	14.43	15.32	29.92	30.53	37.50	45.90	53.18	54.41	46.26	36.96	29.02	20.90
2019	15.23	13.10	21.91	31.57	40.08	47.56	55.44	55.50	47.06	42.75	30.94	21.73
2020	15.32	18.00	23.04	32.55	41.19	49.19	56.36	54.70	45.40	38.76	31.00	27.43
2021	22.45	21.05	24.94	37.69	40.19	46.44	55.71	58.32	53.23	47.52	37.32	24.98
2022	10.60	12.72	23.65	34.32	40.80	51.56	53.19	57.47	50.10	45.18	30.77	26.84
2023	18.70	11.52	28.44	33.24	41.64	49.16	58.92	57.30	54.85	48.28	31.94	26.78
2024	18.73	21.38	28.78	34.57	42.75	51.96	56.73	54.85	49.63	44.48	36.91	25.26
2025	21.28	17.30	23.95	32.39	41.38	49.13	55.26	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	62.7%	63.3%	63.4%	74.7%	75.5%	82.7%	88.2%	89.6%	89.3%	81.0%	77.6%	76.5%
1995	73.4%	71.5%	74.2%	85.1%	83.6%	79.1%	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	94.9%	77.1%	80.8%	77.5%
2000	78.4%	74.1%	79.3%	82.8%	83.6%	84.3%	77.0%	90.8%	88.7%	91.1%	90.7%	84.2%
2001	80.3%	80.9%	84.4%	82.1%	88.6%	85.0%	91.6%	90.2%	88.7%	86.3%	80.4%	77.3%
2002	76.3%	75.2%	75.3%	77.5%	81.6%	84.7%	90.3%	89.3%	87.8%	79.1%	77.7%	76.9%
2003	81.8%	72.0%	73.7%	73.0%	80.4%	83.3%	94.8%	89.9%	92.6%	87.5%	82.9%	80.9%
2004	80.3%	69.3%	76.9%	85.9%	81.5%	84.6%	92.9%	94.6%	88.4%	85.9%	78.8%	81.7%
2005	73.9%	80.8%	76.1%	83.7%	85.0%	85.5%	88.7%	92.5%	87.8%	85.3%	80.4%	79.4%
2006	81.9%	77.2%	81.7%	80.0%	84.2%	89.1%	90.1%	88.5%	90.3%	84.0%	78.4%	76.4%
2007	78.5%	77.5%	75.0%	76.1%	79.4%	91.4%	82.6%	M	84.9%	78.1%	76.8%	68.9%
2008	74.6%	68.9%	67.3%	77.3%	84.3%	86.7%	90.3%	86.0%	84.7%	80.9%	79.8%	77.4%
2009	77.1%	76.7%	72.6%	78.3%	82.5%	89.5%	90.4%	87.7%	87.1%	75.3%	80.2%	77.8%
2010	71.8%	80.1%	71.9%	83.4%	81.3%	84.2%	91.2%	93.3%	86.0%	82.6%	76.7%	79.3%
2011	77.7%	70.3%	71.9%	77.6%	86.9%	88.8%	89.2%	92.4%	87.3%	67.0%	M	M
2012	M	M	M	M	M	M	M	M	89.3%	86.4%	78.6%	82.0%
2013	74.4%	65.7%	M	M	M	M	M	M	86.1%	79.8%	74.4%	71.5%
2014	77.9%	71.3%	67.7%	81.0%	89.2%	M	M	M	89.7%	96.1%	M	M
2015	M	M	M	M	M	M	M	M	79.4%	78.6%	81.6%	82.9%
2016	84.3%	100.0%	99.7%	M	43.2%	M	61.5%	63.9%	88.7%	84.3%	85.8%	M
2017	M	M	M	M	M	M	M	M	85.6%	82.4%	71.1%	M
2018	M	M	M	M	M	M	M	M	82.1%	79.9%	75.4%	73.1%
2019	77.1%	67.3%	70.3%	75.6%	81.7%	84.0%	86.5%	90.5%	84.9%	80.5%	73.8%	74.1%
2020	73.9%	73.1%	69.4%	78.8%	M	M	M	M	86.4%	82.8%	81.1%	81.0%
2021	73.8%	M	M	M	M	M	M	M	88.0%	82.4%	77.4%	72.6%
2022	74.2%	71.3%	74.0%	81.0%	77.8%	83.4%	89.5%	89.7%	88.4%	85.4%	76.4%	77.6%
2023	71.3%	68.8%	76.9%	78.7%	75.1%	87.8%	94.5%	88.7%	87.7%	82.1%	73.7%	72.1%
2024	72.3%	68.1%	78.5%	77.8%	85.7%	87.7%	89.6%	90.9%	88.7%	78.3%	77.4%	75.2%
2025	75.2%	68.4%	77.0%	77.2%	78.9%	84.4%	88.2%	M	M	M	M	M