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 (USC00057460) 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
2001	M	M	M	M	M	M	M	0.00	0.02	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	M	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	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2005	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2006	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2007	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M	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	M	M	M	M	M
2011	M	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	M	M	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
NCEI Climatology	1.27	1.32	1.21	1.47	1.23	0.76	1.63	1.59	1.30	0.98	0.90	1.13

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	M	M	M	M	M	M	M	2.7	0.0	25.4	18.2	22.3
2002	23.9	23.2	24.6	25.8	18.8	18.0	13.4	16.5	16.2	M	20.1	15.7
2003	22.1	13.9	18.4	18.6	18.0	17.8	14.0	13.3	17.2	21.2	17.3	16.8
2004	M	16.1	18.8	16.9	24.0	16.5	12.7	0.0	0.0	0.0	0.0	0.0
2005	2.7	6.0	4.4	12.8	17.9	18.4	13.5	13.6	19.5	20.1	28.5	32.2
2006	29.5	30.0	25.0	26.2	19.9	16.1	13.5	12.9	17.4	25.5	27.6	27.6
2007	24.5	31.7	22.3	22.5	16.7	17.6	12.0	M	M	23.8	27.2	40.4
2008	20.1	26.7	26.7	26.8	21.8	22.6	11.6	14.0	18.3	21.8	22.5	27.3
2009	25.1	28.7	30.5	24.7	22.7	19.9	16.2	17.3	15.5	27.1	22.8	26.8
2010	18.9	22.2	21.1	26.0	25.2	23.2	15.3	M	M	M	M	M
2011	M	25.9	31.8	28.9	25.4	23.5	14.7	15.2	15.0	22.6	22.9	23.9
2012	28.4	24.7	24.8	24.0	19.6	17.6	M	M	14.6	29.0	27.2	18.3
2013	17.4	22.7	27.4	25.7	19.0	18.9	14.1	12.0	16.5	18.1	19.8	28.6
2014	40.7	M	29.2	22.4	19.7	21.8	13.9	15.5	16.4	20.4	32.9	20.0
2015	22.4	28.4	M	20.4	15.3	16.6	15.5	16.8	17.0	17.7	26.9	27.5
2016	20.3	26.5	27.6	19.9	18.1	15.2	17.7	11.3	20.1	24.7	20.8	31.9
2017	17.0	29.3	27.3	24.7	18.7	19.7	12.7	14.3	18.1	25.7	31.0	26.1
2018	28.2	30.4	27.2	26.3	4.7	0.0	0.0	15.1	19.3	20.9	26.2	23.4
2019	25.3	31.1	23.1	24.0	14.7	0.0	0.0	0.0	0.0	20.0	29.7	22.0
2020	27.9	27.8	26.3	25.0	20.2	20.7	14.9	15.1	15.0	28.3	21.4	21.5
2021	26.8	27.6	24.1	22.5	20.1	15.6	13.7	15.6	17.2	22.1	24.9	30.0
2022	22.9	24.8	21.7	24.5	22.6	17.8	13.2	12.2	15.4	17.0	25.9	33.4
2023	25.4	26.4	24.6	24.9	15.1	17.1	17.4	15.6	18.3	18.2	22.6	22.3
2024	23.9	27.8	24.7	23.8	24.6	18.7	16.1	15.8	15.0	21.7	25.3	26.1
2025	23.8	M	27.8	21.9	19.5	18.2	M	M	M	M	M	M
NCEI Climatology	M	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
2001	M	M	M	M	M	M	M	55.40	56.03	44.37	30.94	18.24
2002	17.46	20.11	24.63	40.95	47.44	59.16	65.84	60.94	51.61	M	29.50	16.37
2003	23.32	15.14	24.48	34.60	45.66	54.45	68.01	60.34	51.69	45.54	22.95	20.96
2004	M	18.05	33.29	32.45	43.23	56.07	60.53	57.65	50.26	36.98	24.89	19.17
2005	22.28	19.52	22.15	34.21	45.55	54.99	66.34	56.10	52.53	39.24	27.30	16.88
2006	18.65	19.66	24.22	38.90	48.66	59.72	60.34	56.90	49.76	45.18	38.48	30.03
2007	26.31	19.54	29.68	33.50	41.87	56.48	61.61	M	M	39.00	38.57	5.00
2008	14.06	19.28	23.93	33.86	43.67	58.94	64.40	60.97	54.56	42.45	29.78	17.14
2009	19.57	21.65	28.17	32.06	44.89	50.90	62.08	60.22	50.54	33.63	31.34	14.70
2010	20.50	15.80	25.32	32.78	42.10	58.77	56.48	M	46.40	M	M	M
2011	M	20.90	27.76	32.30	40.23	59.06	63.34	62.66	51.08	40.01	26.84	20.79
2012	23.12	24.74	40.25	39.56	49.57	60.80	M	M	50.42	41.72	32.60	18.62
2013	19.57	16.38	27.06	32.96	43.09	61.88	61.85	60.10	52.04	36.76	28.28	17.73
2014	18.20	M	26.73	35.27	47.39	58.34	62.31	56.33	53.24	41.93	27.32	20.74
2015	24.22	25.40	M	34.13	37.21	58.68	57.61	60.22	56.78	43.50	26.12	18.18
2016	18.13	26.32	28.57	33.86	40.25	62.12	63.41	56.74	53.18	43.84	32.66	20.45
2017	18.01	25.31	33.92	33.38	42.92	61.46	61.73	58.88	52.88	42.45	34.22	26.89
2018	25.38	21.01	30.08	37.28	52.32	62.42	64.75	61.03	55.85	36.82	23.42	18.76
2019	20.45	17.99	26.60	35.24	38.21	56.42	64.07	62.66	57.62	37.34	31.23	20.27
2020	18.44	20.14	29.50	36.80	51.63	59.00	62.95	64.34	54.02	46.23	31.28	21.37
2021	20.50	18.44	26.66	33.50	42.91	57.14	57.37	60.74	55.52	36.94	32.54	23.93
2022	22.83	19.59	25.32	29.52	39.74	53.54	60.86	58.42	56.42	37.86	23.06	17.96
2023	14.29	18.56	21.62	31.26	43.09	40.15	68.76	61.96	55.09	30.50	29.84	22.83
2024	17.48	19.77	24.34	35.42	37.33	59.84	60.80	59.99	54.56	45.65	25.34	25.38
2025	14.28	M	31.76	35.54	43.32	59.96	M	M	M	M	M	M
NCEI Climatology	33.00	37.10	44.79	54.20	64.70	76.39	81.60	78.80	72.60	60.90	46.20	34.21

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	M	M	M	M	M	M	M	39.80	37.51	27.73	18.45	6.03
2002	4.79	4.44	8.12	23.07	29.41	39.78	44.87	42.13	35.50	M	15.15	6.99
2003	12.43	5.74	11.87	19.68	28.94	35.36	47.54	43.09	32.97	29.70	11.28	8.69
2004	M	6.45	18.97	20.75	29.16	36.92	43.01	39.14	33.03	23.56	13.46	8.86
2005	12.14	11.49	10.14	19.14	28.78	35.99	45.87	40.77	36.37	25.70	15.03	5.85
2006	6.39	5.96	11.56	21.56	30.84	40.70	44.60	41.06	33.80	33.22	25.28	19.52
2007	11.85	7.31	16.44	19.34	27.47	37.28	43.92	M	M	24.70	23.78	-6.25
2008	2.74	8.35	11.74	17.54	27.41	39.44	46.23	44.54	37.22	26.54	18.14	6.22
2009	10.40	10.21	14.58	18.50	32.00	35.66	43.73	41.23	34.52	20.79	20.00	3.55
2010	9.94	6.86	13.19	20.78	25.44	40.30	39.20	M	46.40	M	M	M
2011	M	10.85	16.26	17.78	25.51	39.14	45.41	44.77	36.56	25.96	14.78	9.24
2012	10.34	6.74	18.41	23.90	31.75	43.45	M	M	35.39	26.42	20.48	8.24
2013	6.86	5.13	13.77	17.72	27.76	42.14	44.08	43.32	37.82	23.29	17.84	6.99
2014	11.60	M	14.00	20.30	28.28	38.18	43.73	40.65	38.30	29.10	15.38	11.79
2015	14.41	15.05	M	22.51	28.27	42.29	42.10	42.57	39.50	30.14	14.24	7.38
2016	8.13	14.48	15.10	20.84	27.82	42.50	45.06	39.72	36.14	29.51	20.30	9.70
2017	8.60	14.96	20.45	21.02	28.40	41.06	44.66	41.70	36.56	26.60	23.06	13.65
2018	12.78	9.76	14.12	22.40	33.68	42.68	45.18	42.80	38.69	25.73	12.02	8.14
2019	9.01	6.16	15.45	23.24	25.15	36.26	43.86	44.95	37.94	18.47	19.66	10.46
2020	8.30	7.11	17.89	21.26	32.64	39.20	44.66	46.63	36.86	28.05	19.40	9.30
2021	8.95	7.38	14.29	20.42	31.44	42.02	44.72	43.44	39.80	25.85	21.74	13.77
2022	11.15	6.54	13.88	20.83	29.24	40.28	45.24	43.15	40.40	26.83	11.84	9.68
2023	6.92	7.70	11.85	18.78	33.34	34.46	47.85	43.61	37.34	16.10	18.02	13.01
2024	8.31	9.59	13.94	20.66	24.87	40.58	43.44	42.74	38.18	31.65	14.12	15.28
2025	2.44	M	18.32	21.62	29.79	42.08	M	M	M	M	M	M
NCEI Climatology	-5.39	-2.66	9.30	19.60	25.60	31.51	38.71	36.79	27.51	17.09	8.20	-4.00

Average Daily Temperature (high+low)/2 [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	M	M	M	M	M	M	M	47.60	46.77	36.05	24.69	12.14
2002	11.12	12.27	16.37	32.01	38.42	49.47	55.35	51.53	43.55	M	22.33	11.68
2003	17.87	10.44	18.17	27.14	37.30	44.90	57.77	51.71	42.33	37.62	17.11	14.82
2004	M	12.25	26.13	26.60	36.19	46.50	51.77	48.39	41.64	30.27	19.17	14.02
2005	17.21	15.51	16.15	26.68	37.16	45.49	56.11	48.44	44.45	32.47	21.16	11.36
2006	12.52	12.81	17.89	30.23	39.75	50.21	52.47	48.95	41.78	39.20	31.88	24.77
2007	19.08	13.42	23.06	26.42	34.67	46.88	52.76	M	M	31.85	31.18	-0.62
2008	8.40	13.81	17.83	25.70	35.54	49.19	55.31	52.76	45.89	34.50	23.96	11.68
2009	14.99	15.93	21.37	25.28	38.45	43.28	52.90	50.73	42.53	27.21	25.67	9.12
2010	15.22	11.33	19.25	26.78	33.77	49.53	47.84	M	46.40	M	M	M
2011	M	15.87	22.01	25.04	32.87	49.10	54.38	53.72	43.82	32.99	20.81	15.02
2012	16.73	15.74	29.33	31.73	40.66	52.13	M	M	42.91	34.07	26.54	13.43
2013	13.22	10.75	20.42	25.34	35.43	52.01	52.96	51.71	44.93	30.03	23.06	12.36
2014	14.90	M	20.36	27.79	37.84	48.26	53.02	48.49	45.77	35.51	21.35	16.26
2015	19.31	20.22	M	28.32	32.74	50.48	49.85	51.39	48.14	36.82	20.18	12.78
2016	13.13	20.40	21.84	27.35	34.03	52.31	54.24	48.23	44.66	36.67	26.48	15.07
2017	13.30	20.14	27.18	27.20	35.66	51.26	53.19	50.29	44.72	34.53	28.64	20.27
2018	19.08	15.38	22.10	29.84	43.00	52.55	54.96	51.92	47.27	31.27	17.72	13.45
2019	14.73	12.07	21.03	29.24	31.68	46.34	53.97	53.80	47.78	27.91	25.44	15.37
2020	13.37	13.63	23.70	29.03	42.13	49.10	53.80	55.49	45.44	37.14	25.34	15.34
2021	14.73	12.91	20.47	26.96	37.18	49.58	51.05	52.09	47.66	31.39	27.14	18.85
2022	16.99	13.07	19.60	25.17	34.49	46.91	53.05	50.78	48.41	32.35	17.45	13.82
2023	10.60	13.13	16.73	25.02	38.21	37.31	58.31	52.79	46.21	23.30	23.93	17.92
2024	12.90	14.68	19.14	28.04	31.10	50.21	52.12	51.36	46.37	38.65	19.73	20.33
2025	8.36	M	25.04	28.58	36.56	51.02	M	M	M	M	M	M
NCEI Climatology	13.80	17.22	27.05	36.90	45.15	53.95	60.15	57.80	50.05	39.00	27.20	15.10

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
2001	M	M	M	M	M	M	M	66.7%	47.2%	51.2%	68.5%	71.5%
2002	69.8%	54.0%	61.4%	50.0%	42.0%	36.9%	47.7%	46.0%	60.0%	M	46.0%	72.4%
2003	73.3%	81.2%	73.7%	57.3%	58.5%	51.4%	39.8%	63.1%	51.4%	48.3%	75.6%	64.6%
2004	M	75.8%	60.0%	68.0%	47.1%	51.7%	51.9%	57.6%	56.4%	66.0%	85.4%	73.5%
2005	54.3%	66.9%	68.3%	60.1%	58.6%	50.6%	39.7%	64.2%	56.7%	73.0%	61.4%	76.1%
2006	70.9%	61.5%	68.9%	52.0%	49.7%	42.3%	66.0%	72.3%	62.2%	72.7%	63.2%	70.5%
2007	65.6%	82.6%	71.8%	73.8%	74.3%	54.2%	67.3%	M	M	58.8%	45.9%	76.5%
2008	69.0%	75.0%	66.6%	51.2%	55.0%	37.4%	51.6%	59.2%	50.1%	52.3%	66.4%	81.4%
2009	72.0%	68.1%	60.4%	65.5%	65.5%	67.0%	53.0%	49.4%	66.1%	69.4%	54.2%	70.1%
2010	68.4%	78.3%	68.3%	67.9%	57.2%	42.6%	62.4%	M	M	M	M	M
2011	M	68.3%	68.0%	66.9%	61.1%	35.9%	58.8%	56.6%	64.4%	62.4%	60.4%	68.1%
2012	62.5%	76.6%	49.4%	55.8%	49.6%	35.9%	M	M	54.7%	50.7%	52.1%	66.6%
2013	49.2%	72.4%	66.3%	67.8%	61.1%	35.9%	63.9%	62.6%	68.5%	62.9%	65.0%	72.3%
2014	59.0%	M	61.1%	60.1%	61.2%	41.1%	64.4%	68.3%	64.6%	62.8%	66.7%	66.0%
2015	72.9%	65.1%	M	63.6%	77.3%	52.6%	69.1%	61.1%	54.3%	68.3%	59.9%	68.4%
2016	64.4%	58.1%	63.7%	72.4%	63.7%	49.9%	49.9%	65.5%	57.5%	58.7%	65.8%	75.7%
2017	83.6%	74.3%	61.2%	65.3%	64.7%	41.7%	63.1%	60.6%	63.0%	53.2%	60.2%	53.4%
2018	59.5%	77.1%	61.7%	56.0%	42.8%	33.0%	55.5%	53.0%	47.6%	75.2%	68.0%	73.3%
2019	72.4%	74.2%	75.3%	72.0%	70.9%	55.9%	55.9%	50.0%	49.7%	48.7%	45.8%	71.7%
2020	78.2%	71.2%	71.5%	59.6%	46.4%	45.8%	52.7%	42.6%	47.3%	40.3%	61.2%	63.3%
2021	69.4%	74.3%	66.3%	56.1%	58.0%	50.0%	64.9%	50.4%	47.5%	68.5%	62.3%	65.8%
2022	57.9%	62.3%	62.5%	56.4%	52.7%	52.6%	64.8%	67.1%	52.7%	67.7%	62.8%	77.9%
2023	83.9%	66.8%	69.4%	58.8%	61.1%	83.9%	40.7%	57.9%	53.1%	71.9%	60.7%	70.4%
2024	79.3%	75.0%	77.2%	62.8%	65.9%	54.9%	52.0%	64.8%	57.2%	54.2%	64.1%	60.0%
2025	76.8%	M	69.3%	59.6%	64.1%	45.7%	M	M	M	M	M	M