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	M	0.00	0.00	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	M	M	M	M	M	M	M	M	M	M
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
2000	M	15.4	M	M	8.8	M	M	M	M	M	M	15.3
2001	14.1	10.2	26.8	15.6	16.2	11.9	10.8	10.3	10.4	13.4	11.1	11.7
2002	15.1	15.7	9.8	12.5	13.0	11.9	11.0	7.7	10.2	9.7	14.0	12.4
2003	M	M	M	M	M	M	M	M	M	M	M	M
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	13.2
2007	14.8	10.1	14.1	11.1	10.0	10.4	8.4	8.7	9.8	12.7	13.1	11.4
2008	12.6	10.5	11.4	11.0	9.9	9.4	8.1	9.7	7.4	11.5	11.6	12.6
2009	14.9	8.8	13.1	11.0	10.9	9.5	7.6	7.6	10.4	10.2	14.8	10.3
2010	8.8	7.1	11.4	12.8	10.4	9.9	9.1	8.1	9.0	9.8	10.9	9.0
2011	15.0	15.8	11.0	13.5	11.4	11.7	10.6	8.7	12.0	12.7	15.4	17.0
2012	17.0	11.0	14.4	11.6	12.1	12.6	9.4	9.1	10.0	11.8	11.8	11.1
2013	14.7	14.9	10.5	13.0	11.3	9.7	9.2	9.8	13.8	14.8	16.4	19.9
2014	16.7	13.6	11.8	15.0	10.2	10.4	9.0	8.6	10.8	14.0	12.7	13.1
2015	15.0	11.8	15.7	13.5	9.1	9.4	10.9	10.4	11.8	12.3	14.2	12.6
2016	13.3	15.5	14.4	12.8	11.8	13.9	11.1	10.1	13.2	10.8	11.9	14.2
2017	13.4	11.4	12.9	12.1	11.8	12.1	9.5	8.6	10.2	15.9	14.0	12.6
2018	13.5	14.2	9.3	10.9	10.6	12.3	8.9	9.8	7.9	11.0	12.9	13.7
2019	13.0	8.3	9.9	13.0	8.9	10.1	10.5	8.8	11.4	14.0	14.7	13.9
2020	12.5	15.8	14.4	12.7	11.0	12.3	9.2	9.7	10.8	12.0	15.9	15.1
2021	13.9	13.3	14.0	11.9	11.2	11.1	8.7	9.9	12.0	12.6	16.0	12.0
2022	17.5	16.1	13.3	12.6	14.0	12.0	8.3	8.9	9.8	10.8	13.5	11.7
2023	13.2	16.6	9.8	12.0	9.2	9.6	9.1	9.4	9.8	10.1	13.8	13.3
2024	11.3	11.6	9.7	13.8	12.5	11.7	9.4	9.0	10.1	12.5	10.4	11.9
2025	13.1	11.6	12.3	11.9	10.7	9.2	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	32.72	14.60	8.60	45.50	52.88	57.20	M	70.70	M	35.60	M	35.60
2001	39.20	23.32	44.60	50.60	69.10	70.70	81.24	85.54	74.12	55.75	46.58	31.42
2002	34.50	39.46	20.68	45.38	58.25	69.92	79.15	71.08	64.82	47.68	47.66	38.97
2003	33.28	30.33	39.55	53.30	60.28	70.94	83.79	84.43	68.06	61.44	32.18	38.33
2004	M	30.20	M	M	M	65.60	71.94	71.15	58.84	47.03	37.83	30.94
2005	27.35	42.41	45.88	55.52	64.75	65.72	77.99	M	53.60	57.66	45.62	33.57
2006	42.86	27.56	31.07	46.97	56.70	63.15	69.06	70.35	56.20	36.65	25.92	35.23
2007	36.87	31.32	52.04	51.03	64.99	72.75	87.89	78.88	67.92	58.74	42.53	30.35
2008	30.44	33.27	44.37	49.51	63.49	69.99	76.26	77.30	67.99	59.18	49.34	23.37
2009	32.78	31.95	39.65	52.31	64.34	70.10	76.26	75.88	78.11	46.52	48.73	17.87
2010	29.21	33.54	51.57	52.19	56.52	67.90	74.67	72.67	62.18	60.74	36.09	28.18
2011	23.72	24.95	33.31	46.78	59.22	65.88	76.86	77.83	74.48	56.56	41.60	39.43
2012	35.37	37.34	47.74	56.48	61.55	68.12	79.73	80.89	74.72	49.71	40.64	28.81
2013	33.39	42.74	40.88	49.46	66.20	69.08	75.95	79.03	72.80	54.06	39.14	26.19
2014	37.52	23.77	31.01	53.72	61.61	65.90	79.44	75.55	67.58	61.96	32.54	33.86
2015	35.77	37.53	51.28	56.84	61.96	76.34	79.50	80.25	67.76	61.50	40.46	32.06
2016	31.19	47.83	51.80	60.38	63.41	75.02	76.25	75.95	67.10	52.21	52.16	21.08
2017	26.89	30.20	41.87	53.96	68.46	73.70	86.41	80.83	70.28	53.37	36.44	28.92
2018	32.29	18.37	32.17	47.54	70.61	72.08	79.85	80.37	59.66	53.66	42.62	36.18
2019	39.14	5.39	38.56	55.28	60.92	72.26	78.10	77.00	64.52	47.15	37.70	35.37
2020	30.32	37.83	37.23	49.76	62.19	68.96	77.64	81.70	70.88	49.77	41.78	39.78
2021	37.34	20.24	51.51	54.62	60.39	78.80	85.54	78.05	72.68	57.55	48.20	23.58
2022	35.66	35.86	45.41	49.04	63.12	69.92	79.61	85.25	74.54	62.14	30.02	21.61
2023	36.41	35.41	32.35	53.24	72.53	75.68	82.98	80.89	71.18	52.73	47.84	45.76
2024	25.44	33.74	35.77	54.92	61.50	69.80	83.85	79.09	73.52	62.60	35.24	38.39
2025	33.16	20.24	45.88	56.60	69.80	72.66	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	28.76	13.40	8.60	44.60	48.20	57.20	M	69.80	M	35.60	M	30.20
2001	20.79	0.95	39.20	31.64	41.58	46.16	50.06	50.99	43.70	30.90	24.74	10.34
2002	14.12	17.60	-0.34	25.22	36.12	49.16	54.18	47.04	42.44	24.74	28.52	17.95
2003	13.88	10.98	17.43	31.82	39.20	47.30	51.22	51.22	41.60	34.21	12.92	19.69
2004	M	26.60	M	M	M	58.25	61.83	62.53	55.81	41.99	29.27	22.69
2005	6.57	15.29	22.19	29.18	38.15	46.46	50.46	M	48.20	33.45	25.28	15.68
2006	25.50	17.47	22.42	41.19	49.57	57.67	60.30	60.80	51.00	35.15	21.14	28.18
2007	15.45	10.57	27.49	30.12	40.45	46.24	55.17	46.13	38.93	33.66	19.55	9.97
2008	6.97	12.66	22.12	25.12	41.01	44.49	49.15	47.67	39.93	30.19	27.88	1.67
2009	11.80	11.53	17.10	27.83	36.86	42.84	49.82	48.00	41.99	28.00	25.63	-2.00
2010	13.17	15.04	27.05	28.85	34.83	47.07	50.11	48.35	40.79	35.18	13.20	9.92
2011	8.75	6.93	17.07	28.65	37.79	47.17	49.26	49.90	44.00	34.03	20.60	20.79
2012	16.26	13.44	24.22	31.46	38.45	47.96	52.38	47.56	41.66	27.70	21.50	8.14
2013	14.87	20.88	17.14	25.88	40.48	47.24	51.28	51.57	45.92	31.59	17.48	3.84
2014	14.58	0.95	15.92	29.84	38.45	46.10	53.66	51.57	41.90	37.86	13.94	17.83
2015	17.02	16.64	28.69	29.96	36.24	47.78	50.87	49.77	41.60	34.73	21.44	14.87
2016	14.52	26.66	27.47	34.76	39.95	48.14	52.09	49.77	43.16	32.29	30.56	4.71
2017	9.99	13.81	20.45	32.66	41.41	48.98	51.05	49.77	41.84	32.64	18.38	8.77
2018	13.59	-2.52	15.86	25.04	44.31	48.50	49.59	49.48	38.66	30.66	23.78	18.99
2019	16.09	-13.45	13.83	31.88	38.56	46.46	49.30	50.35	43.16	26.08	19.46	19.28
2020	9.94	16.61	17.77	28.46	40.71	49.40	48.78	49.25	43.22	27.18	23.78	21.08
2021	18.99	-0.53	25.26	28.10	37.86	48.86	54.65	51.45	43.46	31.25	26.96	1.75
2022	14.54	14.06	23.06	26.54	38.56	46.40	52.61	53.72	45.56	36.01	11.36	2.56
2023	21.43	16.70	14.46	29.30	44.31	49.04	50.58	51.86	44.90	31.59	26.12	26.02
2024	6.22	13.57	16.85	32.18	39.84	45.62	54.24	50.81	46.52	35.25	18.44	20.27
2025	14.99	0.18	25.50	31.16	41.29	47.35	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	30.74	14.00	8.60	45.05	50.54	57.20	M	70.25	M	35.60	M	32.90
2001	30.00	12.14	41.90	41.12	55.34	58.43	65.65	68.26	58.91	43.32	35.66	20.88
2002	24.31	28.53	10.17	35.30	47.18	59.54	66.66	59.06	53.63	36.21	38.09	28.46
2003	23.58	20.65	28.49	42.56	49.74	59.12	67.51	67.83	54.83	47.82	22.55	29.01
2004	M	28.40	M	M	M	61.92	66.89	66.84	57.32	44.51	33.55	26.82
2005	16.96	28.85	34.03	42.35	51.45	56.09	64.23	M	50.90	45.56	35.45	24.63
2006	34.18	22.52	26.75	44.08	53.13	60.41	64.68	65.58	53.60	35.90	23.53	31.70
2007	26.16	20.95	39.76	40.57	52.72	59.50	71.53	62.51	53.42	46.20	31.04	20.16
2008	18.70	22.97	33.25	37.32	52.25	57.24	62.71	62.48	53.96	44.68	38.61	12.52
2009	22.29	21.74	28.38	40.07	50.60	56.47	63.04	61.94	60.05	37.26	37.18	7.94
2010	21.19	24.29	39.31	40.52	45.67	57.49	62.39	60.51	51.48	47.96	24.64	19.05
2011	16.23	15.94	25.19	37.71	48.51	56.52	63.06	63.86	59.24	45.30	31.10	30.11
2012	25.82	25.39	35.98	43.97	50.00	58.04	66.05	64.23	58.19	38.71	31.07	18.47
2013	24.13	31.81	29.01	37.67	53.34	58.16	63.62	65.30	59.36	42.83	28.31	15.02
2014	26.05	12.36	23.46	41.78	50.03	56.00	66.55	63.56	54.74	49.91	23.24	25.85
2015	26.40	27.08	39.98	43.40	49.10	62.06	65.18	65.01	54.68	48.11	30.95	23.46
2016	22.85	37.24	39.64	47.57	51.68	61.58	64.17	62.86	55.13	42.25	41.36	12.90
2017	18.44	22.00	31.16	43.31	54.94	61.34	68.73	65.30	56.06	43.00	27.41	18.85
2018	22.94	7.93	24.02	36.29	57.46	60.29	64.72	64.92	49.16	42.16	33.20	27.59
2019	27.62	-4.03	26.19	43.58	49.74	59.36	63.70	63.67	53.84	36.62	28.58	27.33
2020	20.13	27.22	27.50	39.11	51.45	59.18	63.21	65.47	57.05	38.47	32.78	30.43
2021	28.17	9.85	38.39	41.36	49.13	63.83	70.09	64.75	58.07	44.40	37.58	12.66
2022	25.10	24.96	34.24	37.79	50.84	58.16	66.11	69.48	60.05	49.07	20.69	12.08
2023	28.92	26.05	23.41	41.27	58.42	62.36	66.78	66.37	58.04	42.16	36.98	35.89
2024	15.83	23.65	26.31	43.55	50.67	57.71	69.05	64.95	60.02	48.93	26.84	29.33
2025	24.07	10.21	35.69	43.88	55.55	60.01	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	78.4%	M	M	81.2%	M	M	M	M	M	M	73.7%
2001	57.8%	66.3%	46.1%	53.7%	38.6%	54.8%	50.4%	38.4%	47.3%	46.8%	50.3%	57.4%
2002	58.8%	59.8%	73.6%	64.1%	59.5%	67.5%	60.8%	73.1%	68.8%	71.3%	50.1%	53.8%
2003	M	M	M	M	M	M	M	M	M	M	M	M
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	58.5%
2007	57.7%	71.0%	54.8%	64.9%	61.9%	59.8%	50.3%	56.4%	61.2%	56.8%	58.1%	70.1%
2008	67.7%	71.8%	49.5%	51.1%	62.8%	62.4%	66.6%	58.7%	67.6%	54.6%	60.6%	69.9%
2009	64.7%	67.8%	55.8%	50.7%	52.5%	55.9%	65.8%	64.7%	47.4%	69.7%	52.3%	70.7%
2010	75.4%	75.3%	56.4%	60.5%	63.8%	66.9%	67.5%	69.4%	74.3%	56.8%	62.4%	68.0%
2011	71.5%	75.4%	79.2%	67.4%	67.4%	70.0%	60.5%	61.2%	50.0%	63.2%	63.2%	65.7%
2012	61.6%	72.1%	66.7%	62.2%	59.6%	67.4%	67.5%	55.3%	49.4%	71.4%	74.7%	70.3%
2013	66.5%	60.9%	70.9%	63.7%	55.6%	69.4%	69.4%	63.4%	59.4%	65.4%	71.6%	72.5%
2014	69.4%	69.8%	74.8%	60.0%	63.2%	70.4%	63.8%	69.7%	65.3%	60.7%	77.8%	77.0%
2015	68.9%	73.6%	60.3%	55.7%	61.1%	62.8%	60.4%	54.4%	62.5%	61.4%	72.1%	77.2%
2016	78.0%	58.7%	58.4%	56.1%	61.5%	53.3%	64.7%	65.3%	60.8%	73.2%	65.7%	71.3%
2017	72.4%	75.6%	65.8%	66.4%	54.0%	57.0%	50.0%	49.6%	51.1%	58.2%	70.9%	62.9%
2018	70.7%	72.2%	79.9%	64.6%	55.5%	57.4%	57.2%	50.9%	72.3%	64.2%	68.6%	66.1%
2019	66.8%	73.6%	70.5%	54.3%	65.1%	60.1%	58.9%	61.6%	66.8%	64.7%	71.9%	74.4%
2020	66.6%	66.9%	67.6%	59.7%	60.2%	65.1%	63.9%	52.3%	59.7%	68.5%	66.1%	65.3%
2021	64.6%	67.0%	52.4%	53.6%	60.2%	53.2%	55.8%	57.4%	49.3%	54.7%	59.6%	70.6%
2022	58.3%	59.6%	61.3%	54.6%	46.3%	62.0%	66.1%	53.9%	56.3%	62.1%	72.3%	73.1%
2023	71.4%	61.1%	74.6%	58.9%	54.7%	58.7%	53.4%	54.8%	56.8%	69.4%	59.7%	62.5%
2024	72.1%	76.7%	73.3%	54.5%	64.2%	57.7%	56.7%	58.6%	59.4%	53.8%	73.0%	70.2%
2025	66.5%	68.1%	63.9%	55.3%	53.7%	53.9%	M	M	M	M	M	M