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
2000	M	M	M	M	M	M	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	M	M	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	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	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	M	M	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

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	M	M	M	M	M	M	M	M	M	M	M	7.0
2001	7.2	7.4	7.9	8.4	9.5	7.0	7.8	7.1	6.9	6.5	7.2	5.8
2002	6.3	7.7	7.0	8.2	8.9	6.5	8.6	6.3	6.8	6.5	6.9	4.8
2003	M	M	M	M	25.7	26.4	17.4	15.9	14.1	13.4	14.7	10.5
2004	7.5	7.0	9.6	11.1	11.1	10.8	9.9	10.1	12.4	17.2	M	7.4
2005	6.3	6.5	7.9	9.0	7.8	6.9	6.3	6.9	6.0	7.0	7.0	6.1
2006	5.9	7.5	8.2	7.4	7.0	6.8	5.9	6.3	6.0	6.5	7.0	6.9
2007	7.3	5.7	7.9	8.3	8.2	6.4	5.9	6.0	6.2	7.8	7.0	4.1
2008	5.9	6.6	7.6	7.9	8.4	7.0	6.8	7.1	6.9	8.7	7.3	6.2
2009	7.4	6.2	8.1	7.0	7.7	7.2	7.1	5.9	8.1	6.1	7.0	5.4
2010	5.2	5.8	7.1	8.1	7.7	6.6	6.6	6.6	7.0	7.9	6.3	5.7
2011	5.8	7.5	7.5	7.4	8.1	7.1	7.4	6.7	7.1	6.6	6.9	8.3
2012	6.2	6.5	8.0	8.1	8.4	7.1	6.0	6.3	7.3	7.5	6.2	4.3
2013	M	M	6.6	8.1	7.9	6.8	6.5	5.3	6.3	6.7	6.7	5.9
2014	8.4	6.4	6.8	8.0	7.1	6.0	6.6	5.4	6.0	6.9	6.4	4.3
2015	6.9	6.9	7.3	7.7	6.8	6.1	6.3	5.7	5.9	6.7	6.4	4.8
2016	5.3	6.2	6.4	7.5	6.8	7.5	5.7	5.9	6.1	6.3	6.0	6.1
2017	5.1	5.9	6.7	7.2	7.5	6.3	6.0	6.0	6.2	8.2	6.7	7.2
2018	5.9	6.7	7.3	7.6	6.9	6.7	6.5	5.6	5.9	6.0	5.7	5.8
2019	5.5	5.0	6.7	7.2	7.0	6.1	5.4	5.7	5.7	6.7	5.8	4.9
2020	5.2	6.7	6.6	7.2	7.3	6.6	6.1	6.7	5.9	6.5	5.5	5.0
2021	5.2	5.9	6.4	6.3	7.0	6.1	5.6	5.5	5.8	6.9	6.0	5.2
2022	4.8	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

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	M	M	M	M	M	M	M	M	M	M	M	10.40
2001	28.98	14.39	37.40	47.96	61.21	64.16	71.77	73.46	62.36	43.03	32.72	17.54
2002	11.79	27.31	17.83	35.12	56.10	66.74	73.63	68.29	56.66	35.95	30.92	22.88
2003	11.39	13.23	24.23	47.88	60.80	66.44	73.24	71.86	56.96	50.32	24.66	21.55
2004	M	27.50	M	M	M	64.55	67.06	61.18	49.02	37.58	28.03	7.92
2005	8.25	26.02	34.44	49.64	58.25	65.84	69.97	M	51.80	47.45	32.36	22.72
2006	19.33	20.10	28.81	56.97	58.80	69.88	75.51	69.79	61.77	40.81	15.87	23.62
2007	20.50	13.39	31.34	45.95	58.88	64.51	77.52	63.08	56.57	49.24	24.96	10.55
2008	12.79	13.97	29.46	39.26	60.26	70.23	70.05	69.87	59.00	50.05	32.67	3.50
2009	12.02	17.14	23.57	43.31	55.81	65.43	69.44	68.59	67.64	37.76	37.13	5.97
2010	14.66	22.87	40.31	51.93	57.94	67.83	71.61	66.92	55.97	50.28	27.11	10.06
2011	10.35	15.71	21.86	44.91	62.89	65.93	70.56	69.93	66.86	49.25	27.14	28.05
2012	11.23	25.36	35.29	44.60	59.70	67.76	75.03	70.55	63.68	36.82	19.58	5.45
2013	M	M	26.84	36.98	66.49	67.19	68.29	71.60	66.56	45.94	22.28	4.25
2014	17.37	7.70	25.73	40.82	54.47	65.30	74.30	71.77	59.60	49.19	18.80	18.01
2015	19.05	13.16	37.46	48.38	59.99	69.56	73.40	70.61	56.48	51.51	32.36	19.17
2016	17.60	27.97	34.73	49.94	65.15	70.40	72.99	69.92	60.08	35.89	36.68	11.68
2017	3.69	29.44	26.14	41.18	61.26	66.65	74.10	70.73	61.30	45.12	19.08	19.17
2018	14.29	13.36	26.00	41.90	67.25	68.54	73.25	68.23	47.84	43.73	23.96	26.03
2019	11.48	0.89	36.82	47.18	59.12	65.90	69.45	65.85	58.64	40.83	27.98	18.47
2020	11.74	24.86	24.39	40.76	58.54	64.88	71.54	70.44	58.58	37.34	26.54	26.02
2021	20.91	8.73	38.91	47.48	58.36	74.00	72.36	70.27	61.85	49.59	32.12	6.28
2022	-13.00	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

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	M	M	M	M	M	M	M	M	M	M	M	8.60
2001	15.28	-3.36	24.80	28.76	40.01	46.16	53.60	51.34	42.74	28.11	20.60	1.57
2002	-3.36	8.47	-2.37	16.82	34.09	44.42	54.23	48.08	39.32	22.36	15.32	7.85
2003	-5.97	-4.32	5.99	28.61	21.57	31.50	45.48	50.61	36.51	20.03	-1.57	-18.19
2004	M	24.80	M	M	M	58.10	60.29	55.25	47.30	33.62	23.25	2.27
2005	-7.25	5.58	17.19	31.64	37.86	47.36	51.45	M	35.60	31.07	20.18	10.54
2006	8.57	2.70	13.15	33.13	41.32	50.51	55.59	50.18	43.51	27.60	2.51	6.57
2007	0.96	-8.04	13.46	27.48	39.49	47.49	56.30	46.39	39.19	31.74	14.35	-2.10
2008	-5.41	-5.51	9.28	20.27	38.53	48.23	51.76	51.75	39.67	32.38	22.03	-12.68
2009	-5.45	-2.42	2.08	26.03	33.32	46.40	49.81	48.62	47.11	27.81	20.73	-8.35
2010	1.05	5.21	21.36	31.51	37.68	48.62	51.53	49.86	39.21	33.16	12.29	-1.57
2011	-4.03	-4.39	5.21	26.64	39.37	47.61	52.83	50.83	43.64	34.67	13.64	11.45
2012	-5.52	6.92	18.53	26.42	39.08	49.22	55.63	52.21	43.34	26.19	6.62	-6.51
2013	M	M	7.64	21.44	42.10	50.37	51.10	51.51	45.14	30.14	6.86	-12.65
2014	-4.46	-9.91	3.90	23.84	37.57	48.62	54.76	51.97	40.76	33.86	6.32	6.68
2015	2.21	-5.80	18.12	27.38	38.10	49.16	54.18	51.16	39.49	34.55	19.04	7.96
2016	3.61	10.71	20.21	29.06	43.32	50.12	54.18	51.39	41.42	29.39	25.28	-2.20
2017	-13.16	15.23	10.11	26.24	41.00	47.88	53.72	51.57	44.10	30.49	6.54	5.06
2018	-0.40	-6.57	7.62	21.08	43.73	49.76	53.07	50.12	34.16	27.18	13.64	10.97
2019	-5.51	-16.47	17.02	29.30	38.62	47.72	52.32	47.97	43.88	27.41	14.90	2.39
2020	-0.75	3.26	5.81	19.64	38.79	48.56	54.35	51.39	41.36	25.32	13.04	10.63
2021	4.36	-9.40	15.39	25.52	36.47	53.24	55.47	51.47	43.02	33.51	18.10	-8.76
2022	-25.90	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

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	M	M	M	M	M	M	M	M	M	M	M	9.50
2001	22.13	5.51	31.10	38.36	50.61	55.16	62.69	62.40	52.55	35.57	26.66	9.56
2002	4.22	17.89	7.73	25.97	45.09	55.58	63.93	58.19	47.99	29.15	23.12	15.36
2003	2.71	4.45	15.11	38.24	41.18	48.97	59.36	61.24	46.74	35.17	11.55	1.68
2004	M	26.15	M	M	M	61.33	63.67	58.21	48.16	35.60	25.64	5.09
2005	0.50	15.80	25.82	40.64	48.05	56.60	60.71	M	43.70	39.26	26.27	16.63
2006	13.95	11.40	20.98	45.05	50.06	60.19	65.55	59.98	52.64	34.20	9.19	15.10
2007	10.73	2.67	22.40	36.71	49.18	56.00	66.91	54.73	47.88	40.49	19.65	4.23
2008	3.69	4.23	19.37	29.77	49.40	59.23	60.91	60.81	49.33	41.22	27.35	-4.59
2009	3.28	7.36	12.83	34.67	44.56	55.91	59.63	58.60	57.37	32.79	28.93	-1.19
2010	7.85	14.04	30.84	41.72	47.81	58.22	61.57	58.39	47.59	41.72	19.70	4.25
2011	3.16	5.66	13.54	35.77	51.13	56.77	61.70	60.38	55.25	41.96	20.39	19.75
2012	2.85	16.14	26.91	35.51	49.39	58.49	65.33	61.38	53.51	31.51	13.10	-0.53
2013	M	M	17.24	29.21	54.30	58.78	59.70	61.55	55.85	38.04	14.57	-4.20
2014	6.45	-1.11	14.81	32.33	46.02	56.96	64.53	61.87	50.18	41.52	12.56	12.35
2015	10.63	3.68	27.79	37.88	49.04	59.36	63.79	60.89	47.98	43.03	25.70	13.56
2016	10.60	19.34	27.47	39.50	54.24	60.26	63.59	60.65	50.75	32.64	30.98	4.74
2017	-4.74	22.34	18.12	33.71	51.13	57.26	63.91	61.15	52.70	37.81	12.81	12.11
2018	6.95	3.39	16.81	31.49	55.49	59.15	63.16	59.17	41.00	35.45	18.80	18.50
2019	2.98	-7.79	26.92	38.24	48.87	56.81	60.89	56.91	51.26	34.12	21.44	10.43
2020	5.49	14.06	15.10	30.20	48.66	56.72	62.95	60.92	49.97	31.33	19.79	18.33
2021	12.64	-0.34	27.15	36.50	47.42	63.62	63.92	60.87	52.44	41.55	25.11	-1.24
2022	-19.45	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

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
2000	M	M	M	M	M	M	M	M	M	M	M	85.4%
2001	74.4%	65.7%	38.5%	54.6%	55.7%	74.6%	72.8%	71.7%	77.4%	71.4%	81.3%	86.7%
2002	77.8%	72.5%	64.9%	65.2%	35.4%	42.8%	65.2%	70.1%	71.1%	77.4%	76.8%	85.7%
2003	M	M	M	M	75.9%	72.1%	66.1%	72.6%	76.6%	82.0%	80.7%	73.9%
2004	68.0%	71.5%	65.7%	70.7%	74.0%	73.5%	65.6%	71.7%	80.3%	82.7%	M	79.7%
2005	77.1%	74.4%	68.0%	56.2%	55.6%	65.4%	69.4%	74.3%	72.5%	69.8%	82.3%	82.0%
2006	85.3%	73.1%	75.6%	48.6%	58.0%	M	100.0%	M	M	M	M	M
2007	M	M	M	M	M	M	M	M	M	M	M	M
2008	M	75.7%	69.1%	62.9%	51.2%	60.9%	73.9%	74.7%	74.7%	65.7%	86.3%	75.3%
2009	70.6%	71.7%	64.6%	62.0%	55.8%	61.4%	68.2%	74.6%	73.6%	82.8%	69.2%	72.4%
2010	75.4%	78.3%	61.9%	50.5%	57.6%	63.4%	71.7%	76.5%	75.9%	65.3%	72.1%	80.0%
2011	77.7%	69.1%	69.2%	59.4%	47.1%	71.7%	71.6%	71.3%	61.3%	71.6%	78.7%	81.2%
2012	70.7%	68.4%	71.1%	63.6%	52.1%	68.5%	72.2%	73.9%	70.8%	80.7%	79.0%	72.6%
2013	M	M	68.6%	58.7%	51.4%	72.8%	73.6%	73.4%	68.1%	74.6%	82.1%	73.6%
2014	73.6%	69.0%	60.8%	71.5%	65.5%	75.6%	71.1%	72.7%	73.3%	73.9%	77.7%	83.6%
2015	72.1%	71.1%	65.6%	57.0%	51.5%	61.8%	68.2%	72.3%	76.7%	71.0%	76.3%	81.8%
2016	78.9%	71.8%	61.3%	46.0%	56.5%	63.2%	71.8%	74.8%	74.4%	87.2%	81.1%	75.9%
2017	72.0%	72.0%	62.4%	62.8%	58.7%	69.5%	70.9%	71.8%	71.0%	74.3%	82.0%	67.3%
2018	70.8%	61.7%	70.0%	48.6%	44.8%	57.2%	57.6%	71.4%	73.9%	63.7%	80.3%	76.8%
2019	72.8%	64.2%	52.9%	56.2%	48.0%	74.8%	76.8%	72.4%	68.9%	72.2%	77.2%	77.1%
2020	70.9%	63.0%	62.7%	49.8%	54.8%	66.9%	69.6%	70.8%	77.8%	72.6%	81.3%	73.2%
2021	74.2%	64.6%	59.4%	40.9%	40.9%	53.3%	69.0%	70.3%	69.0%	61.7%	75.8%	69.4%
2022	60.5%	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