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
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	0.02	0.19	1.69	3.37	5.45	0.41	1.51	1.28	0.19	0.26	0.49
2008	0.29	0.33	0.08	1.09	1.32	3.76	2.27	1.82	1.09	0.24	0.64	1.92
2009	0.87	1.17	1.25	0.70	0.42	1.41	3.16	1.83	0.29	1.60	0.11	0.47
2010	0.14	0.10	0.17	1.75	2.50	3.50	6.43	2.68	1.28	0.46	0.60	2.01
2011	2.21	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	0.74
2016	1.15	0.35	0.68	0.68	4.43	2.50	4.04	1.76	1.16	1.54	0.73	0.52
2017	0.44	0.57	0.89	2.20	2.49	4.62	2.38	1.64	1.33	1.38	0.70	0.35
2018	0.71	0.73	0.91	0.89	1.08	1.77	3.00	0.80	2.21	1.14	1.28	1.64
2019	1.06	1.63	0.50	0.53	1.46	4.93	5.79	2.82	2.16	1.10	0.60	0.49
2020	0.47	0.40	0.61	0.32	2.17	4.24	2.64	2.70	0.76	0.39	0.81	0.12
2021	0.20	0.37	0.30	0.37	4.05	1.63	1.38	2.37	0.68	0.47	0.38	0.73
2022	0.80	0.51	1.19	0.78	1.02	4.49	4.00	1.06	0.45	0.27	0.75	0.86
2023	0.20	0.22	0.21	1.91	1.08	4.50	4.18	3.20	1.53	0.22	0.08	0.38
2024	0.27	0.64	0.52	1.43	3.50	2.08	1.21	2.90	2.54	0.36	0.88	0.23
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
2004	M	M	M	M	M	M	M	M	9.1	8.5	9.7	11.2
2005	9.1	9.0	10.4	11.8	10.5	8.7	8.0	8.9	7.9	8.8	8.7	7.9
2006	7.0	9.7	9.5	9.7	10.4	9.3	8.3	8.0	8.8	8.4	10.0	10.7
2007	11.9	7.8	10.5	10.5	11.0	9.4	7.9	8.5	8.8	9.9	10.4	7.9
2008	9.3	9.0	8.8	10.4	10.6	9.1	8.7	8.9	8.3	10.5	9.5	9.1
2009	10.5	7.6	10.1	8.7	10.2	8.8	8.3	7.9	10.9	9.6	9.7	8.8
2010	7.9	8.0	9.7	13.5	10.3	8.1	7.9	7.8	8.4	8.8	8.5	7.8
2011	10.3	11.2	10.1	9.0	11.0	9.5	9.1	8.0	9.2	9.4	9.8	11.3
2012	10.3	9.0	9.8	11.3	10.7	9.6	8.6	7.5	9.5	10.1	8.7	7.8
2013	10.0	10.4	9.5	10.5	10.2	9.8	8.3	6.8	8.7	9.5	9.1	11.0
2014	12.6	9.0	8.7	9.7	9.3	8.8	8.1	6.9	8.4	10.1	9.2	8.3
2015	9.5	9.3	9.7	10.9	9.6	8.3	9.0	7.3	8.0	9.9	9.3	7.8
2016	7.5	10.1	9.3	11.6	9.9	9.3	7.0	8.0	8.9	7.9	8.1	10.6
2017	9.9	8.8	9.3	9.5	10.7	10.0	8.1	7.6	8.5	11.3	9.6	10.2
2018	8.9	9.9	9.2	9.6	10.0	9.5	8.0	8.3	8.5	8.8	8.5	9.3
2019	10.3	8.7	8.9	10.2	8.8	9.4	7.9	7.8	7.7	10.1	8.2	7.7
2020	9.0	10.1	10.7	10.8	10.2	9.1	8.6	9.0	9.3	9.6	9.6	9.1
2021	10.7	10.1	10.2	9.6	10.7	9.3	7.9	9.1	9.3	9.6	8.4	8.7
2022	11.1	10.9	11.2	12.9	10.4	10.1	7.3	7.6	9.0	8.5	11.0	8.8
2023	7.9	9.2	8.3	10.5	9.8	8.7	7.4	7.4	8.0	9.6	9.0	8.1
2024	7.6	8.4	9.4	10.9	9.9	10.4	8.5	7.9	8.3	8.8	7.4	10.6
2025	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
2004	M	M	M	M	M	M	M	60.94	52.75	38.47	30.16	17.74
2005	14.39	27.07	34.27	53.54	62.03	65.64	72.00	M	52.20	51.53	36.70	27.27
2006	28.95	20.04	21.11	44.51	55.35	64.30	66.09	67.07	52.98	32.98	12.76	19.09
2007	25.29	15.61	33.93	46.80	61.83	68.81	80.40	68.42	61.91	54.05	32.39	17.24
2008	15.74	20.18	34.71	42.94	63.28	69.70	72.72	73.62	64.82	54.59	39.27	11.45
2009	19.19	19.56	24.25	48.23	61.41	69.54	73.05	72.48	73.22	42.23	43.57	7.67
2010	17.45	22.60	41.01	53.02	57.30	68.16	72.52	69.07	58.26	54.02	27.93	13.09
2011	17.11	16.94	20.43	44.48	65.01	66.80	70.50	72.36	70.85	52.76	31.02	32.20
2012	25.23	27.58	37.72	49.28	60.88	70.36	76.38	75.23	69.73	41.91	22.93	12.13
2013	18.45	28.09	25.97	39.75	67.92	67.40	71.95	74.95	70.60	51.66	23.42	13.07
2014	24.23	9.42	25.23	46.20	58.62	66.63	75.02	73.45	63.36	54.49	24.28	23.73
2015	23.03	20.87	38.87	52.27	63.17	71.65	74.87	73.12	60.25	54.95	34.23	20.90
2016	20.94	32.84	40.85	56.23	63.84	71.01	72.28	70.83	61.72	40.47	39.39	14.56
2017	20.26	22.47	27.95	43.61	65.16	68.02	73.95	72.16	63.76	49.08	22.35	21.62
2018	19.91	13.63	26.05	40.85	69.49	72.34	75.34	73.40	50.54	48.00	31.33	24.05
2019	23.72	0.13	30.29	51.10	62.17	66.78	70.35	67.02	60.36	45.67	31.84	23.25
2020	14.19	25.16	24.65	41.84	61.14	66.68	72.95	71.76	64.22	42.89	29.96	27.61
2021	22.93	9.13	42.31	51.50	60.56	74.79	77.11	74.26	66.95	52.26	36.48	8.65
2022	22.34	22.96	31.93	44.89	61.54	69.27	73.86	77.36	70.40	57.90	23.06	7.43
2023	22.07	20.96	24.19	49.11	72.96	74.01	74.02	72.62	65.20	50.96	39.59	31.44
2024	10.94	26.82	26.96	52.30	58.24	66.20	80.14	74.98	69.97	52.28	26.91	27.24
2025	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
2004	M	M	M	M	M	M	M	54.07	50.61	33.77	25.30	12.56
2005	-1.92	5.16	16.70	32.25	37.38	47.34	49.68	M	37.80	29.29	21.70	10.66
2006	13.92	10.34	14.77	38.69	49.61	57.34	57.73	59.18	48.51	32.55	10.21	15.42
2007	5.80	-2.50	15.66	27.76	39.48	48.88	54.70	46.22	37.26	28.67	14.81	-1.25
2008	-4.03	-0.64	15.69	22.65	39.12	46.60	49.07	48.60	38.00	27.68	22.21	-9.54
2009	-3.19	-1.53	0.49	25.07	33.37	42.84	48.01	46.75	41.36	27.43	19.48	-9.86
2010	2.35	5.68	20.75	28.83	35.38	46.19	49.70	48.87	36.96	31.47	9.20	-1.08
2011	-0.66	-3.00	5.55	25.62	39.47	47.68	51.43	48.25	39.99	30.16	11.95	13.15
2012	6.69	5.70	19.85	27.60	36.82	46.74	53.19	49.20	40.78	24.59	8.85	-5.91
2013	1.79	9.88	6.57	21.85	40.14	48.63	49.04	49.25	40.93	27.92	7.15	-5.75
2014	4.94	-6.61	6.12	26.43	36.44	46.08	52.89	49.50	39.23	32.83	9.28	8.91
2015	6.32	0.72	20.62	29.17	33.68	46.21	51.73	47.67	37.96	31.07	17.34	6.38
2016	2.20	17.10	26.05	30.66	39.13	48.19	52.15	48.42	38.86	28.22	24.61	-0.04
2017	3.70	6.78	11.49	29.69	40.92	47.65	50.56	47.93	39.44	28.25	6.26	7.25
2018	2.49	-8.06	6.68	19.57	42.81	46.70	49.50	47.96	34.63	26.39	15.98	7.66
2019	6.62	-19.15	12.13	27.64	35.75	45.86	50.49	48.34	41.41	23.95	15.29	7.89
2020	-4.05	3.98	5.14	19.99	38.73	47.76	52.98	48.85	40.07	24.77	11.38	10.12
2021	6.71	-9.76	18.96	22.94	36.58	51.18	52.56	49.27	40.19	25.99	16.08	-7.95
2022	1.66	4.71	15.43	26.41	37.65	47.45	52.51	51.39	40.55	31.31	8.40	-9.64
2023	8.79	2.99	3.06	27.71	42.98	49.95	53.46	50.33	40.16	27.90	19.78	16.91
2024	-3.60	8.58	10.03	29.71	39.38	43.85	55.56	49.15	43.52	30.06	13.72	12.13
2025	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
2004	M	M	M	M	M	M	M	57.51	51.68	36.12	27.73	15.15
2005	6.23	16.12	25.48	42.89	49.70	56.49	60.84	M	45.00	40.41	29.20	18.97
2006	21.44	15.19	17.94	41.60	52.48	60.82	61.91	63.13	50.74	32.77	11.48	17.26
2007	15.55	6.55	24.80	37.28	50.66	58.85	67.55	57.32	49.58	41.36	23.60	8.00
2008	5.85	9.77	25.20	32.80	51.20	58.15	60.89	61.11	51.41	41.14	30.74	0.96
2009	8.00	9.01	12.37	36.65	47.39	56.19	60.53	59.62	57.29	34.83	31.53	-1.10
2010	9.90	14.14	30.88	40.93	46.34	57.17	61.11	58.97	47.61	42.75	18.57	6.00
2011	8.22	6.97	12.99	35.05	52.24	57.24	60.96	60.31	55.42	41.46	21.48	22.67
2012	15.96	16.64	28.78	38.44	48.85	58.55	64.78	62.21	55.26	33.25	15.89	3.11
2013	10.12	18.98	16.27	30.80	54.03	58.02	60.49	62.10	55.77	39.79	15.29	3.66
2014	14.58	1.41	15.68	36.32	47.53	56.35	63.95	61.47	51.30	43.66	16.78	16.32
2015	14.68	10.80	29.75	40.72	48.43	58.93	63.30	60.39	49.11	43.01	25.78	13.64
2016	11.57	24.97	33.45	43.45	51.49	59.60	62.21	59.63	50.29	34.35	32.00	7.26
2017	11.98	14.63	19.72	36.65	53.04	57.84	62.26	60.05	51.60	38.66	14.31	14.44
2018	11.20	2.79	16.37	30.21	56.15	59.52	62.42	60.68	42.59	37.19	23.65	15.86
2019	15.17	-9.51	21.21	39.37	48.96	56.32	60.42	57.68	50.89	34.81	23.56	15.57
2020	5.07	14.57	14.89	30.92	49.93	57.22	62.97	60.30	52.14	33.83	20.67	18.86
2021	14.82	-0.31	30.63	37.22	48.57	62.99	64.83	61.77	53.57	39.12	26.28	0.35
2022	12.00	13.84	23.68	35.65	49.59	58.36	63.19	64.38	55.48	44.60	15.73	-1.10
2023	15.43	11.98	13.63	38.41	57.97	61.98	63.74	61.48	52.68	39.43	29.69	24.17
2024	3.67	17.70	18.49	41.01	48.81	55.02	67.85	62.07	56.74	41.17	20.31	19.68
2025	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
2004	M	M	M	M	M	M	M	M	74.2%	83.2%	77.5%	77.8%
2005	79.7%	76.1%	77.3%	61.6%	58.8%	73.9%	72.0%	74.4%	73.6%	72.9%	78.1%	81.3%
2006	86.6%	73.9%	84.6%	62.4%	66.8%	67.0%	65.1%	67.1%	72.3%	77.7%	82.6%	78.3%
2007	74.9%	79.9%	77.1%	68.4%	64.5%	68.9%	63.6%	70.7%	68.8%	65.9%	72.4%	81.4%
2008	80.1%	78.7%	76.2%	70.6%	57.2%	66.5%	68.0%	65.5%	65.8%	58.0%	75.7%	76.9%
2009	71.2%	78.9%	76.7%	65.4%	51.3%	53.4%	66.8%	67.7%	55.2%	78.3%	67.2%	76.3%
2010	81.7%	85.3%	74.6%	61.1%	64.0%	63.4%	72.3%	74.2%	75.1%	69.4%	72.9%	80.5%
2011	77.6%	74.4%	80.4%	69.0%	49.7%	69.2%	71.0%	67.7%	58.2%	70.3%	78.6%	78.7%
2012	74.9%	79.2%	80.6%	66.7%	59.9%	69.0%	75.9%	72.8%	62.7%	79.7%	84.4%	82.5%
2013	79.3%	82.7%	78.8%	73.5%	54.4%	71.7%	63.9%	46.4%	45.3%	65.1%	83.2%	77.5%
2014	73.7%	72.4%	57.0%	60.7%	61.6%	68.4%	73.9%	74.5%	73.3%	71.5%	84.6%	87.6%
2015	82.3%	83.0%	77.2%	61.8%	52.8%	63.6%	68.2%	72.7%	76.5%	72.6%	80.5%	86.0%
2016	83.6%	81.2%	80.9%	60.4%	61.5%	67.0%	79.3%	77.8%	73.9%	89.5%	86.9%	79.3%
2017	81.1%	81.1%	84.4%	82.9%	61.0%	70.0%	75.1%	72.8%	70.4%	73.7%	86.0%	74.9%
2018	82.4%	75.7%	83.1%	70.9%	54.1%	62.0%	70.4%	67.0%	79.5%	71.0%	85.7%	82.6%
2019	81.9%	75.0%	76.3%	59.9%	53.3%	73.5%	79.9%	78.4%	80.7%	74.5%	83.9%	83.2%
2020	77.8%	77.4%	77.8%	65.8%	62.9%	73.7%	77.1%	71.8%	70.4%	71.7%	82.5%	79.4%
2021	78.0%	73.7%	71.3%	55.9%	61.1%	63.6%	67.4%	65.4%	64.9%	65.1%	77.6%	76.3%
2022	77.9%	77.1%	79.8%	65.4%	57.2%	66.9%	75.7%	71.2%	64.0%	65.4%	79.4%	79.6%
2023	85.6%	76.7%	79.3%	69.0%	58.1%	69.2%	76.7%	77.7%	71.5%	72.8%	75.7%	81.6%
2024	80.0%	78.9%	75.7%	58.3%	69.7%	66.4%	68.8%	71.5%	69.1%	73.6%	84.8%	82.7%
2025	M	M	M	M	M	M	M	M	M	M	M	M