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	0.00	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	M
2009	M	M	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
2000	12.9	14.8	M	19.1	M	7.1	M	M	M	M	M	M
2001	8.6	11.7	M	10.9	10.3	10.7	11.7	10.4	11.3	5.5	9.9	12.9
2002	11.5	11.3	15.4	12.3	14.9	10.8	11.7	11.0	11.5	13.4	12.7	14.4
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	10.5	13.4	11.4	12.6
2005	10.2	8.6	11.6	12.5	12.7	12.1	10.0	10.1	13.0	14.6	16.5	14.1
2006	12.1	12.5	13.2	12.7	12.9	11.3	10.8	11.3	11.9	14.2	12.2	13.8
2007	13.4	12.4	12.1	13.1	12.6	11.1	10.5	10.3	13.0	12.4	14.7	14.2
2008	14.1	12.5	11.9	11.4	12.1	10.5	12.4	9.8	10.1	11.9	10.7	M
2009	M	M	11.7	13.3	13.1	10.8	11.1	11.3	11.3	13.6	10.6	14.0
2010	13.2	12.3	12.6	13.0	11.0	10.5	11.2	12.3	13.6	14.0	12.8	13.4
2011	10.6	11.3	11.9	13.2	13.5	12.1	10.1	12.6	10.3	15.5	13.6	13.0
2012	12.3	11.4	11.7	14.3	10.1	12.4	10.2	12.5	12.6	13.9	11.1	12.6
2013	11.4	12.0	11.5	13.4	12.2	11.9	10.9	11.7	12.5	13.3	15.4	12.1
2014	13.0	11.1	12.1	13.5	12.4	9.6	13.1	9.7	11.7	14.1	17.0	12.1
2015	12.6	11.2	12.2	11.9	12.9	10.8	9.9	11.3	11.4	13.5	13.1	12.8
2016	13.1	12.4	10.5	11.3	11.4	12.2	12.6	11.3	11.3	11.7	12.8	13.8
2017	12.0	12.2	12.5	12.3	12.7	12.2	10.4	11.1	10.0	13.1	12.8	14.3
2018	11.5	9.8	11.7	12.5	11.5	11.9	11.0	10.3	10.9	15.3	15.0	9.1
2019	13.1	13.0	12.2	12.7	10.1	10.5	9.5	10.2	11.7	12.4	18.1	M
2020	M	M	M	M	M	M	M	11.0	11.6	12.6	13.1	14.0
2021	10.6	10.7	12.4	12.6	11.2	12.1	10.9	9.9	11.3	11.1	12.5	12.9
2022	10.5	12.3	11.4	12.5	10.9	11.2	11.7	10.6	11.2	10.4	13.5	16.4
2023	12.2	11.8	12.0	12.6	12.9	10.1	9.0	9.9	9.6	11.3	13.4	11.5
2024	14.9	10.4	12.3	14.8	11.7	11.8	10.9	10.2	12.0	12.5	13.8	12.5
2025	12.8	12.1	11.9	12.2	12.0	11.0	M	M	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	2.50	26.80	32.00	30.60	M	68.90	M	M	M	37.90	M	27.50
2001	22.40	22.84	31.60	47.37	67.64	74.03	73.18	78.18	68.39	56.87	45.86	37.47
2002	29.16	28.76	36.16	51.48	59.46	70.10	78.36	78.27	72.13	52.20	39.38	29.84
2003	17.04	19.69	33.13	44.69	62.59	73.60	75.41	75.38	70.43	51.52	43.03	30.14
2004	28.40	31.30	M	M	M	65.10	69.85	69.25	62.77	48.58	36.09	20.82
2005	20.44	26.89	33.47	50.46	57.09	74.53	77.61	M	54.00	54.17	41.56	26.63
2006	27.82	17.08	26.38	46.09	57.21	66.06	71.37	70.55	57.52	43.62	38.57	32.14
2007	28.81	20.18	33.63	46.35	65.29	75.46	75.06	75.93	71.07	60.39	41.35	30.24
2008	29.68	27.02	31.35	52.21	60.44	M	75.57	74.56	68.45	55.05	49.63	M
2009	M	M	38.95	52.72	61.08	68.98	71.74	76.27	64.18	46.83	46.12	28.04
2010	26.88	28.89	42.97	55.33	67.65	71.12	79.24	75.80	66.86	53.75	41.28	28.24
2011	20.17	24.00	34.10	48.05	60.14	72.49	80.07	75.37	69.06	55.62	47.29	32.69
2012	24.68	27.35	41.71	51.47	66.23	74.13	79.04	77.24	68.31	57.53	40.18	29.49
2013	23.58	25.23	36.33	48.79	65.49	69.79	78.27	73.99	66.35	57.38	39.75	21.17
2014	20.03	21.53	27.58	46.96	63.00	73.09	74.88	73.75	67.05	56.15	39.61	30.39
2015	17.19	12.01	30.28	47.97	68.11	69.52	75.98	75.65	72.97	52.52	45.12	37.53
2016	26.75	26.66	34.19	45.46	64.79	72.53	76.00	76.99	70.15	55.23	44.53	29.80
2017	28.02	28.67	30.07	48.87	60.58	70.91	74.55	73.43	71.10	62.42	40.49	21.66
2018	19.52	29.71	35.71	43.74	65.53	71.32	80.15	78.04	69.12	49.30	34.27	27.19
2019	19.07	23.11	31.98	44.15	58.06	70.43	78.91	74.63	66.20	55.40	46.54	M
2020	M	M	M	M	M	M	M	72.77	65.62	53.14	44.90	33.10
2021	26.13	24.63	37.82	53.22	64.64	75.45	73.47	79.04	68.79	59.02	41.65	31.61
2022	14.36	24.26	33.82	47.52	66.85	70.44	76.89	75.50	66.44	57.93	44.32	33.43
2023	28.45	25.35	36.24	50.13	65.20	70.45	77.35	73.67	71.32	59.77	39.93	33.35
2024	27.00	31.28	39.91	51.64	66.89	75.06	78.51	74.68	71.06	58.08	46.22	27.88
2025	22.55	22.16	36.78	50.34	63.11	71.20	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	-1.70	22.20	31.70	26.10	M	61.00	M	M	M	37.20	M	23.40
2001	5.25	5.36	30.90	34.50	50.97	59.43	59.81	61.77	55.43	44.01	34.56	27.37
2002	16.50	11.48	20.34	35.62	44.69	56.02	63.89	63.40	56.94	40.56	27.82	17.70
2003	-0.02	2.06	15.27	30.95	47.24	57.84	62.49	62.97	56.34	41.35	31.80	18.15
2004	27.00	16.00	M	M	M	60.57	65.18	65.95	58.37	45.15	32.94	15.29
2005	1.16	11.06	19.16	38.04	46.08	60.79	63.96	M	51.10	46.19	31.40	17.55
2006	15.89	13.38	22.11	44.13	54.51	62.77	68.93	67.34	55.43	41.23	36.20	26.96
2007	16.86	4.02	16.95	34.67	47.42	58.60	61.72	60.02	53.99	46.45	30.04	13.69
2008	12.56	7.44	16.15	37.50	46.24	M	65.57	61.43	55.23	43.25	39.41	M
2009	M	M	24.49	38.07	47.30	57.85	61.81	64.35	51.29	38.87	36.45	19.24
2010	17.01	19.80	30.28	40.99	51.54	58.44	66.22	62.93	55.96	43.17	32.29	19.86
2011	10.85	9.37	20.85	36.24	48.99	59.14	66.44	63.67	57.38	46.23	37.02	22.15
2012	8.95	11.16	27.97	38.05	52.40	60.48	65.12	64.89	54.49	48.56	29.76	20.39
2013	7.20	12.74	27.62	34.93	49.55	57.79	65.07	62.24	53.77	45.96	29.62	10.12
2014	5.95	7.67	11.64	34.35	49.61	60.16	63.38	62.10	53.85	46.52	30.82	20.61
2015	-0.75	-5.74	13.94	34.48	51.48	56.71	62.95	64.48	59.47	40.77	34.78	30.22
2016	14.70	10.58	20.32	30.60	48.90	59.01	63.89	65.33	56.17	44.30	36.21	18.83
2017	17.88	16.59	17.87	37.57	48.92	58.94	62.90	61.10	57.43	49.51	29.14	12.42
2018	4.89	13.20	26.39	30.99	47.79	57.04	66.75	65.71	56.25	39.45	26.47	15.97
2019	5.00	6.88	18.15	33.88	45.62	56.35	65.78	62.22	53.69	44.37	38.88	M
2020	M	M	M	M	M	M	M	60.10	52.17	42.07	33.76	22.45
2021	17.75	11.08	21.90	38.98	48.88	61.35	61.84	66.68	56.40	48.35	33.23	19.25
2022	-1.47	6.77	21.22	35.89	50.55	57.96	64.89	63.46	54.20	43.97	33.85	24.75
2023	19.17	10.32	25.25	37.46	48.05	58.37	66.88	61.53	58.83	50.20	30.67	25.24
2024	16.59	18.94	28.95	37.63	53.13	61.55	66.49	63.30	58.03	46.08	36.99	18.74
2025	11.50	8.41	22.68	35.85	49.15	56.49	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	0.40	24.50	31.85	28.35	M	64.95	M	M	M	37.55	M	25.45
2001	13.83	14.10	31.25	40.93	59.30	66.73	66.49	69.97	61.91	50.44	40.21	32.42
2002	22.83	20.12	28.25	43.55	52.08	63.06	71.13	70.84	64.53	46.38	33.60	23.77
2003	8.51	10.88	24.20	37.82	54.91	65.72	68.95	69.17	63.38	46.43	37.42	24.14
2004	27.70	23.65	M	M	M	62.83	67.51	67.60	60.57	46.87	34.51	18.05
2005	10.80	18.98	26.32	44.25	51.59	67.66	70.79	M	52.55	50.18	36.48	22.09
2006	21.85	15.23	24.24	45.11	55.86	64.41	70.15	68.95	56.48	42.42	37.38	29.55
2007	22.83	12.10	25.29	40.51	56.35	67.03	68.39	67.97	62.53	53.42	35.69	21.96
2008	21.12	17.23	23.75	44.85	53.34	M	70.57	67.99	61.84	49.15	44.52	M
2009	M	M	31.72	45.39	54.19	63.42	66.77	70.31	57.74	42.85	41.29	23.64
2010	21.95	24.35	36.62	48.16	59.59	64.78	72.73	69.37	61.41	48.46	36.79	24.05
2011	15.51	16.69	27.47	42.15	54.57	65.81	73.25	69.52	63.22	50.93	42.15	27.42
2012	16.82	19.26	34.84	44.76	59.32	67.30	72.08	71.07	61.40	53.04	34.97	24.94
2013	15.39	18.99	31.97	41.86	57.52	63.79	71.67	68.12	60.06	51.67	34.68	15.64
2014	12.99	14.60	19.61	40.65	56.30	66.62	69.13	67.93	60.45	51.33	35.22	25.50
2015	8.22	3.13	22.11	41.23	59.80	63.12	69.46	70.07	66.22	46.64	39.95	33.88
2016	20.72	18.62	27.25	38.03	56.85	65.77	69.94	71.16	63.16	49.76	40.37	24.31
2017	22.95	22.63	23.97	43.22	54.75	64.93	68.72	67.26	64.27	55.96	34.81	17.04
2018	12.21	21.46	31.05	37.37	56.66	64.18	73.45	71.87	62.68	44.37	30.37	21.58
2019	12.04	14.99	25.06	39.02	51.84	63.39	72.34	68.42	59.94	49.89	42.71	M
2020	M	M	M	M	M	M	M	66.43	58.90	47.61	39.33	27.77
2021	21.94	17.85	29.86	46.10	56.76	68.40	67.65	72.86	62.60	53.68	37.44	25.43
2022	6.45	15.52	27.52	41.71	58.70	64.20	70.89	69.48	60.32	50.95	39.08	29.09
2023	23.81	17.83	30.75	43.80	56.63	64.41	72.11	67.60	65.08	54.99	35.30	29.30
2024	21.80	25.11	34.43	44.64	60.01	68.30	72.50	68.99	64.55	52.08	41.61	23.31
2025	17.02	15.29	29.73	43.09	56.13	63.84	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	56.7%	75.4%	M	39.3%	M	71.5%	M	M	M	M	M	M
2001	80.3%	74.4%	M	63.5%	63.7%	68.3%	71.5%	68.0%	72.7%	73.0%	75.2%	75.6%
2002	76.0%	70.6%	67.3%	68.6%	M	M	M	M	M	67.9%	79.7%	78.5%
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	73.1%	71.7%	72.9%	77.9%
2005	66.4%	70.0%	64.6%	64.7%	67.1%	70.9%	65.4%	68.0%	70.1%	80.2%	79.4%	80.4%
2006	84.1%	75.2%	72.5%	57.1%	74.4%	72.1%	73.4%	70.0%	77.0%	75.7%	80.0%	79.9%
2007	78.5%	67.4%	64.5%	72.4%	57.1%	67.8%	73.6%	71.5%	69.6%	75.9%	71.9%	78.6%
2008	75.3%	73.4%	68.3%	68.6%	61.0%	M	82.0%	79.3%	78.5%	72.0%	80.4%	M
2009	M	M	66.3%	60.7%	64.6%	76.3%	81.5%	74.2%	72.7%	78.7%	77.2%	78.4%
2010	77.8%	76.9%	63.1%	63.5%	58.7%	72.4%	67.1%	37.4%	M	M	M	M
2011	M	M	M	M	M	M	M	M	M	70.5%	73.7%	77.0%
2012	74.7%	72.1%	70.7%	60.8%	67.8%	68.6%	65.6%	73.3%	73.8%	81.1%	70.6%	84.6%
2013	M	M	66.8%	64.0%	68.1%	75.5%	72.2%	76.0%	76.4%	74.3%	69.1%	80.4%
2014	73.7%	71.8%	64.2%	66.8%	70.0%	68.5%	69.8%	73.4%	75.0%	74.5%	68.6%	79.6%
2015	69.3%	62.7%	63.7%	64.1%	63.8%	71.2%	76.0%	78.9%	75.8%	70.7%	74.6%	83.1%
2016	77.8%	74.6%	72.7%	55.0%	64.4%	68.9%	75.2%	72.2%	73.2%	76.1%	80.4%	77.9%
2017	82.2%	75.3%	66.2%	76.1%	72.7%	70.5%	72.9%	72.0%	76.6%	74.9%	74.5%	75.5%
2018	77.8%	79.5%	70.8%	70.1%	60.1%	65.2%	67.9%	73.8%	74.1%	71.7%	78.3%	79.2%
2019	73.7%	71.1%	67.0%	69.2%	68.7%	66.5%	69.8%	70.1%	73.8%	74.7%	70.5%	M
2020	M	M	M	M	M	M	M	70.4%	71.9%	72.3%	74.3%	76.3%
2021	76.5%	74.7%	64.0%	61.4%	57.5%	67.2%	72.5%	74.1%	72.6%	78.3%	72.6%	74.8%
2022	71.3%	72.6%	74.6%	64.1%	64.3%	72.7%	69.6%	76.4%	77.0%	74.5%	74.0%	78.2%
2023	79.9%	75.8%	71.3%	67.9%	56.2%	77.5%	82.1%	75.3%	77.5%	76.9%	71.2%	77.9%
2024	74.7%	72.7%	68.2%	65.7%	67.1%	68.3%	73.8%	78.2%	73.7%	70.1%	69.9%	78.9%
2025	72.2%	69.6%	69.4%	63.7%	69.9%	63.5%	M	M	M	M	M	M