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	0.00	0.00	0.00	0.00	M	0.00	M	M	M	0.00	M	0.00
2001	0.72	1.11	0.00	2.42	0.69	2.48	3.78	0.66	3.24	1.29	0.76	0.65
2002	0.47	0.74	0.55	1.49	0.54	2.38	2.53	2.25	1.87	1.37	1.31	0.63
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	0.00
2006	1.22	1.46	1.53	0.00	0.29	0.04	0.29	0.12	0.20	0.00	0.00	0.00
2007	0.00	0.08	1.55	0.26	2.14	2.38	0.83	2.15	2.81	0.73	2.05	0.65
2008	0.60	0.58	1.20	1.53	0.37	1.08	6.36	2.32	1.68	1.52	1.36	0.23
2009	0.32	0.41	0.59	0.15	1.20	2.33	3.86	1.91	2.03	1.16	0.11	0.14
2010	0.42	0.09	0.71	2.16	2.47	0.98	5.20	1.89	2.61	0.53	0.47	0.26
2011	0.75	0.28	0.35	0.28	0.48	3.62	6.89	1.55	0.55	1.25	0.38	0.81
2012	0.58	0.17	1.63	2.82	1.11	1.61	3.34	2.55	2.55	3.07	0.78	0.61
2013	1.04	0.33	0.13	0.61	0.33	4.84	2.29	2.07	0.64	0.45	0.98	1.80
2014	1.92	0.98	M	M	M	2.73	1.01	3.27	1.19	0.50	2.47	1.38
2015	1.49	2.18	0.93	1.32	0.53	1.66	2.44	2.90	2.15	1.88	0.91	1.09
2016	1.18	1.93	2.93	2.20	0.78	3.01	2.30	2.41	1.01	2.69	0.34	1.07
2017	1.28	0.92	2.18	1.61	2.58	4.20	3.52	0.77	2.52	1.56	0.67	0.95
2018	1.21	0.31	0.72	1.64	1.58	1.79	5.63	2.62	2.77	1.43	1.04	0.45
2019	0.86	0.34	0.04	0.58	0.89	2.37	3.60	4.25	1.18	0.72	0.80	0.56
2020	0.72	0.32	0.59	0.64	3.81	2.64	4.96	2.61	1.09	0.73	0.80	0.50
2021	0.65	0.20	0.63	0.38	1.91	2.72	1.26	3.81	2.01	1.14	0.57	1.51
2022	0.82	0.71	1.03	0.19	0.49	4.95	1.38	4.06	0.35	0.12	0.69	0.50
2023	0.22	0.75	0.31	0.93	2.21	2.52	2.70	1.83	1.37	1.17	0.47	0.03
2024	0.10	0.41	0.47	1.02	2.68	1.52	1.70	0.40	1.77	0.94	0.43	0.65
2025	0.71	0.45	0.26	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	2.4	5.4	M	2.5	M	9.4	M	M	M	M	M	5.7
2001	5.2	5.9	6.7	6.7	8.7	6.9	7.5	7.0	6.8	7.1	7.1	5.8
2002	5.3	6.4	6.9	7.8	7.9	6.6	7.1	5.9	6.8	6.2	6.2	6.1
2003	5.9	M	M	8.7	7.9	7.1	6.7	6.8	7.3	7.1	6.3	4.8
2004	6.1	5.7	7.4	7.8	8.0	7.9	6.7	6.8	7.3	7.0	6.8	6.6
2005	6.7	6.5	7.4	9.5	8.6	7.2	7.2	8.3	6.4	6.8	7.4	6.1
2006	5.8	7.2	7.5	7.4	8.2	6.3	3.3	3.5	3.8	3.6	3.9	2.8
2007	13.6	3.2	3.5	3.6	4.3	3.8	3.3	3.2	3.2	4.2	1.8	4.4
2008	4.9	3.2	4.8	7.4	6.9	6.6	6.3	6.8	6.0	7.3	6.1	5.2
2009	5.7	5.3	7.4	6.5	7.0	7.0	6.7	5.5	4.3	6.4	5.3	5.0
2010	5.4	4.3	5.4	7.2	7.8	6.7	5.5	6.1	7.1	7.1	5.5	5.5
2011	4.2	6.3	5.7	6.1	6.8	7.5	6.5	5.9	6.3	6.5	6.4	6.7
2012	5.4	4.5	7.2	7.6	8.0	7.2	5.9	6.3	6.5	6.9	6.8	5.2
2013	5.5	5.9	6.0	7.3	6.7	6.0	6.3	5.2	6.3	6.6	6.4	5.3
2014	7.0	5.7	5.8	7.7	7.1	7.0	6.2	5.2	6.4	7.2	6.9	5.1
2015	6.4	6.6	6.3	7.2	6.8	6.1	6.6	5.9	6.6	6.1	6.1	5.2
2016	5.1	5.1	5.9	7.4	7.4	7.3	6.5	6.7	6.2	7.4	6.1	5.6
2017	5.2	5.7	6.8	7.3	7.2	7.2	6.1	5.7	6.3	8.1	6.8	5.4
2018	5.9	6.5	7.0	7.4	7.3	7.2	6.6	6.1	6.6	6.6	7.2	4.4
2019	5.9	4.4	6.4	7.0	6.6	6.8	5.7	6.3	6.6	6.9	6.0	4.8
2020	5.3	6.2	6.9	7.1	7.3	7.6	6.4	7.1	6.8	8.1	5.9	4.8
2021	4.9	5.7	7.2	7.1	7.7	6.7	6.3	6.3	6.4	7.3	7.0	5.2
2022	6.3	5.7	6.6	8.0	8.9	7.7	6.2	5.8	6.2	7.7	8.1	6.1
2023	4.6	5.9	5.5	7.4	6.4	6.6	6.4	6.0	5.7	7.0	6.8	5.3
2024	6.2	6.3	6.6	8.1	8.1	7.5	5.5	6.5	6.5	7.2	7.1	5.6
2025	7.0	5.7	5.8	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	12.25	-2.92	2.20	31.10	M	61.90	M	M	M	42.05	M	9.00
2001	25.20	12.89	25.55	48.40	63.18	67.75	76.54	76.19	65.27	43.76	32.08	16.33
2002	12.84	23.10	16.49	37.22	55.37	74.41	75.29	70.35	57.96	36.07	26.00	20.67
2003	8.97	8.15	22.86	46.94	64.73	69.39	74.91	75.77	60.33	50.40	24.10	20.00
2004	2.10	29.40	M	M	M	62.03	63.88	55.34	48.75	34.50	23.39	-3.33
2005	5.49	20.80	30.14	51.00	59.72	66.77	71.76	M	52.20	44.16	30.69	20.49
2006	19.44	12.40	28.43	55.20	56.49	70.51	74.42	70.88	60.87	40.61	16.40	20.59
2007	14.71	8.39	28.52	45.84	58.38	64.89	78.02	65.96	54.76	47.17	22.44	6.76
2008	7.15	7.03	24.78	39.09	57.28	70.77	71.34	72.45	58.10	49.28	28.46	-3.06
2009	6.91	13.00	20.01	42.43	52.20	64.89	69.89	69.17	67.84	37.88	36.12	2.70
2010	11.44	17.61	37.56	49.98	57.65	70.16	73.58	67.59	55.89	49.03	25.37	8.36
2011	3.15	12.12	21.05	45.78	59.95	67.04	71.94	72.48	66.59	47.98	26.45	22.77
2012	12.74	21.83	32.80	43.45	58.29	68.45	77.95	72.67	61.95	37.75	19.63	3.96
2013	5.39	17.22	24.60	37.92	63.84	67.47	70.37	72.47	66.57	43.14	20.11	-4.33
2014	8.18	2.93	21.03	38.82	54.64	66.16	75.08	73.37	57.58	46.08	16.05	17.79
2015	12.26	5.78	32.04	46.14	58.99	70.55	74.54	72.00	58.80	49.01	31.48	18.43
2016	13.01	17.97	31.20	45.16	64.26	70.10	73.17	70.02	60.06	37.56	37.39	7.81
2017	16.49	18.38	22.16	42.22	57.16	65.76	75.00	74.24	62.27	45.04	19.10	11.30
2018	5.00	10.20	27.41	39.50	65.13	70.01	73.12	68.66	48.12	39.18	18.91	15.23
2019	5.92	0.01	32.34	42.97	55.02	64.08	70.69	66.53	58.17	40.85	24.24	12.97
2020	11.27	18.97	22.06	35.85	54.94	64.12	72.82	70.35	57.13	36.54	23.46	19.34
2021	17.51	5.03	35.06	44.29	54.67	72.99	75.45	69.37	62.02	48.36	29.88	1.90
2022	4.54	4.70	26.05	39.82	54.21	66.31	73.80	75.08	66.47	52.83	23.18	1.56
2023	14.87	13.39	21.37	44.63	67.60	73.97	71.54	71.02	66.99	45.48	30.81	27.88
2024	9.06	21.96	24.18	50.85	56.48	62.64	78.60	73.66	67.82	46.73	26.61	14.61
2025	14.02	6.71	25.32	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	-6.25	-8.62	-1.30	30.60	M	52.30	M	M	M	41.70	M	6.40
2001	6.32	-9.71	18.40	24.13	38.68	45.73	54.20	52.90	43.86	27.15	21.26	-2.62
2002	-10.56	-1.44	-8.33	13.97	28.47	50.20	54.09	49.23	40.06	19.35	8.54	6.96
2003	-19.30	-16.52	2.05	23.80	37.39	48.25	52.10	54.53	40.48	31.84	6.75	0.57
2004	2.10	26.30	M	M	M	60.02	59.65	49.49	46.52	32.47	19.25	-8.93
2005	-13.10	-0.31	8.59	27.88	35.92	47.04	52.90	M	36.70	29.54	20.10	11.17
2006	8.05	-6.79	10.14	29.89	37.72	52.66	55.06	50.23	42.46	27.42	3.57	2.80
2007	-4.02	-13.80	5.88	22.48	36.98	45.06	56.95	47.74	38.51	33.57	11.07	-5.47
2008	-11.97	-15.79	-0.47	18.57	32.25	46.89	53.08	53.10	40.03	32.19	16.78	-18.74
2009	-8.90	-7.41	-1.10	22.84	28.48	47.24	49.82	49.77	48.90	30.23	20.40	-11.20
2010	-3.05	-2.92	16.17	29.91	37.35	48.26	52.98	50.72	41.04	33.07	12.48	-4.46
2011	-13.25	-8.64	-2.27	23.99	35.26	48.43	54.38	52.68	44.83	34.29	13.39	5.17
2012	-3.92	-0.26	14.70	24.82	38.63	50.04	56.54	53.21	40.52	28.04	8.45	-9.30
2013	-9.77	0.39	0.47	18.55	37.63	50.63	51.16	53.41	45.29	28.84	4.20	-21.17
2014	-14.40	-17.36	-4.93	19.56	34.93	47.43	52.86	53.09	40.32	32.75	3.84	5.89
2015	-4.02	-14.75	11.79	24.04	32.57	48.95	55.64	52.47	42.10	35.21	20.34	6.86
2016	0.45	-1.41	13.00	23.26	41.02	49.83	56.08	52.17	43.56	30.97	27.36	-6.30
2017	0.37	1.70	2.64	22.37	37.97	48.44	55.72	52.99	45.23	32.94	6.28	-4.65
2018	-10.96	-10.06	6.58	16.44	41.52	52.51	55.06	51.36	34.08	26.15	8.67	2.62
2019	-11.85	-20.08	11.78	25.24	34.65	48.41	51.65	50.78	44.40	27.60	12.63	-3.36
2020	-1.64	-3.69	1.48	14.99	34.05	48.84	56.03	53.51	40.26	26.90	7.76	2.35
2021	0.79	-15.26	11.98	23.17	34.15	53.31	56.83	52.16	45.52	33.76	16.64	-13.12
2022	-13.23	-15.95	5.46	21.49	36.53	49.43	56.01	55.29	45.91	34.06	11.56	-11.84
2023	3.71	-8.81	-5.26	23.64	44.16	54.14	53.25	53.85	47.78	32.89	18.62	10.81
2024	-3.40	2.76	2.53	30.54	39.49	45.62	58.94	53.88	47.76	32.63	16.12	1.02
2025	-4.60	-11.11	5.08	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	3.00	-5.77	0.45	30.85	M	57.10	M	M	M	41.88	M	7.70
2001	15.76	1.59	21.97	36.26	50.93	56.74	65.37	64.54	54.56	35.46	26.67	6.86
2002	1.14	10.83	4.08	25.59	41.92	62.31	64.69	59.79	49.01	27.71	17.27	13.82
2003	-5.16	-4.18	12.46	35.37	51.06	58.82	63.51	65.15	50.41	41.12	15.43	10.29
2004	2.10	27.85	M	M	M	61.03	61.77	52.42	47.64	33.48	21.32	-6.13
2005	-3.80	10.25	19.36	39.44	47.82	56.90	62.33	M	44.45	36.85	25.40	15.83
2006	13.74	2.81	19.28	42.54	47.10	61.59	64.74	60.55	51.66	34.01	9.99	11.70
2007	5.34	-2.70	17.20	34.16	47.68	54.97	67.48	56.85	46.64	40.37	16.76	0.65
2008	-2.41	-4.38	12.15	28.83	44.76	58.83	62.21	62.78	49.07	40.74	22.62	-10.90
2009	-1.00	2.79	9.46	32.63	40.34	56.06	59.86	59.47	58.37	34.05	28.26	-4.25
2010	4.20	7.35	26.86	39.95	47.50	59.21	63.28	59.15	48.46	41.05	18.92	1.95
2011	-5.05	1.74	9.39	34.88	47.61	57.73	63.16	62.58	55.71	41.13	19.92	13.97
2012	4.41	10.78	23.75	34.13	48.46	59.25	67.25	62.94	51.23	32.90	14.04	-2.67
2013	-2.19	8.81	12.53	28.24	50.74	59.05	60.77	62.94	55.93	35.99	12.15	-12.75
2014	-3.11	-7.21	8.05	29.19	44.79	56.80	63.97	63.23	48.95	39.42	9.94	11.84
2015	4.12	-4.48	21.91	35.09	45.78	59.75	65.09	62.23	50.45	42.11	25.91	12.65
2016	6.73	8.28	22.10	34.21	52.64	59.96	64.63	61.10	51.81	34.26	32.37	0.75
2017	8.43	10.04	12.40	32.30	47.57	57.10	65.36	63.62	53.75	38.99	12.69	3.32
2018	-2.98	0.07	17.00	27.97	53.32	61.26	64.09	60.01	41.10	32.66	13.79	8.92
2019	-2.96	-10.04	22.06	34.10	44.83	56.25	61.17	58.66	51.28	34.22	18.44	4.80
2020	4.81	7.64	11.77	25.42	44.49	56.48	64.42	61.93	48.69	31.72	15.61	10.84
2021	9.15	-5.12	23.52	33.73	44.41	63.15	66.14	60.77	53.77	41.06	23.26	-5.61
2022	-4.34	-5.63	15.75	30.66	45.37	57.87	64.91	65.19	56.19	43.44	17.37	-5.14
2023	9.29	2.29	8.06	34.14	55.88	64.06	62.39	62.44	57.38	39.18	24.71	19.34
2024	2.83	12.36	13.35	40.70	47.99	54.13	68.77	63.77	57.79	39.68	21.36	7.81
2025	4.71	-2.20	15.20	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	87.7%	67.0%	M	86.0%	M	74.5%	M	M	M	M	M	90.1%
2001	86.7%	76.1%	59.7%	65.5%	59.4%	65.9%	67.0%	64.6%	72.1%	74.2%	84.7%	84.9%
2002	74.8%	76.0%	67.1%	68.1%	50.5%	59.3%	67.1%	74.2%	76.4%	77.5%	83.5%	88.6%
2003	82.6%	M	M	60.9%	58.9%	67.1%	66.0%	65.2%	75.9%	78.4%	79.0%	82.0%
2004	75.4%	81.8%	68.3%	59.1%	57.9%	62.0%	68.1%	74.2%	76.1%	76.6%	79.3%	81.6%
2005	80.0%	77.5%	70.1%	65.9%	60.6%	68.3%	70.0%	75.5%	76.7%	78.0%	80.0%	88.3%
2006	89.3%	80.6%	73.0%	57.4%	67.6%	65.0%	69.7%	70.5%	72.5%	73.2%	82.6%	82.4%
2007	79.9%	75.3%	73.6%	55.2%	61.8%	62.0%	62.8%	71.6%	78.7%	77.7%	83.5%	83.6%
2008	80.2%	72.5%	70.7%	60.2%	54.6%	56.5%	70.3%	70.4%	73.7%	71.6%	86.1%	76.1%
2009	77.2%	76.4%	69.8%	64.9%	63.0%	66.1%	69.7%	72.2%	72.0%	83.5%	76.6%	79.7%
2010	83.5%	78.0%	71.1%	66.3%	62.4%	61.2%	69.3%	74.1%	75.9%	73.5%	79.0%	82.2%
2011	80.5%	73.5%	68.4%	62.0%	56.4%	69.9%	70.2%	67.4%	66.0%	77.3%	80.4%	83.3%
2012	82.6%	77.7%	73.8%	65.4%	56.5%	66.3%	65.4%	70.5%	73.8%	87.5%	84.4%	82.3%
2013	80.9%	80.1%	66.8%	63.4%	55.5%	71.5%	69.8%	69.1%	70.7%	78.0%	83.6%	77.6%
2014	76.6%	69.6%	64.8%	65.1%	61.9%	69.5%	63.7%	70.7%	73.0%	75.8%	82.3%	87.2%
2015	79.2%	71.0%	66.7%	57.7%	51.7%	60.2%	62.4%	65.9%	71.8%	75.5%	79.8%	82.8%
2016	81.9%	76.4%	73.1%	54.1%	57.1%	63.0%	68.1%	69.1%	72.1%	88.1%	79.8%	77.0%
2017	79.0%	72.4%	69.1%	63.8%	62.9%	66.1%	63.7%	60.0%	67.1%	75.9%	78.4%	79.8%
2018	78.0%	69.9%	68.0%	54.9%	51.8%	64.4%	67.3%	69.0%	75.3%	72.4%	82.8%	84.0%
2019	77.4%	70.4%	63.1%	61.2%	58.8%	66.6%	68.4%	74.3%	73.4%	75.6%	79.0%	82.3%
2020	81.3%	70.5%	68.8%	63.3%	60.6%	67.9%	71.9%	69.3%	71.4%	72.4%	80.8%	79.5%
2021	79.8%	69.6%	64.0%	54.0%	57.1%	61.8%	63.6%	67.3%	70.6%	68.0%	78.3%	76.7%
2022	74.6%	68.4%	62.8%	58.5%	58.8%	60.2%	59.5%	65.7%	63.4%	59.2%	77.0%	74.3%
2023	82.2%	69.2%	61.9%	54.7%	50.4%	59.5%	59.9%	71.7%	67.3%	72.5%	78.3%	74.1%
2024	74.0%	70.3%	61.7%	56.4%	63.8%	63.7%	62.1%	61.4%	67.4%	72.1%	81.1%	82.3%
2025	76.0%	71.4%	67.7%	M	M	M	M	M	M	M	M	M