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 (USW00054813) 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	2.86
2005	1.16	0.80	0.42	1.29	1.92	1.46	2.85	2.22	4.58	3.83	3.90	1.80
2006	1.25	0.98	0.99	1.23	4.32	0.74	1.62	5.10	1.81	3.25	1.54	2.29
2007	1.48	1.46	2.03	1.55	2.42	1.79	0.23	1.03	4.79	4.30	1.64	2.22
2008	2.29	1.19	1.13	2.45	2.20	4.48	1.71	0.34	2.98	1.56	3.37	3.13
2009	1.25	1.63	1.57	1.81	4.55	1.92	2.43	2.81	1.65	5.24	0.93	2.28
2010	1.23	0.65	0.08	0.37	1.03	7.74	5.13	2.68	8.14	2.12	2.62	1.50
2011	1.53	0.25	1.01	3.98	2.53	3.16	1.97	1.85	4.70	3.84	3.52	1.92
2012	2.15	0.94	1.23	1.05	1.83	4.44	2.06	1.72	5.55	5.20	2.39	1.58
2013	2.64	17.76	1.95	4.61	2.46	2.27	5.09	2.15	2.71	3.21	4.98	2.43
2014	3.09	1.52	1.94	3.26	3.23	2.86	2.80	3.77	2.94	6.23	5.51	2.16
2015	2.04	2.29	1.25	2.16	4.25	3.05	2.83	1.92	1.93	3.48	3.59	4.84
2016	3.15	2.24	2.46	2.36	3.39	3.44	3.47	3.75	4.54	6.72	1.89	3.62
2017	2.79	2.33	1.67	5.14	3.93	6.42	2.00	3.89	2.39	6.10	2.39	4.32
2018	2.53	1.50	1.27	1.92	1.58	3.49	3.13	2.73	5.28	9.19	3.24	1.64
2019	3.28	5.38	1.22	2.88	5.12	2.22	0.85	2.93	6.33	4.92	3.78	4.14
2020	2.71	1.23	3.46	2.07	1.84	3.50	5.10	4.19	4.35	4.66	3.23	1.61
2021	1.54	1.95	2.12	2.73	0.75	3.17	1.92	1.35	3.23	3.21	5.46	3.33
2022	2.18	2.41	2.44	3.98	2.32	3.44	1.77	2.50	2.56	5.41	4.43	3.43
2023	2.85	2.12	1.46	4.52	4.45	2.35	2.85	2.08	1.71	3.68	2.32	2.40
2024	1.32	1.65	2.26	3.55	4.23	6.31	3.43	3.85	0.96	1.28	6.82	4.13
2025	2.60	2.67	4.24	4.79	1.58	2.79	2.01	M	M	M	M	M
NCEI Climatology	1.96	1.47	1.45	2.28	2.77	2.75	3.09	2.74	3.85	4.09	3.12	2.18

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	M	M	M	11.5
2005	9.8	8.1	9.6	9.0	8.3	7.9	8.0	7.4	9.2	9.5	11.1	8.9
2006	10.1	11.5	10.9	10.2	10.1	7.7	8.1	8.0	8.6	9.6	9.6	9.3
2007	11.0	10.1	10.5	10.4	9.4	7.8	7.2	8.2	9.3	9.0	10.2	9.0
2008	9.8	9.5	9.7	10.2	9.4	7.3	7.4	7.8	8.7	10.1	10.1	10.6
2009	8.5	10.6	9.7	9.1	9.0	6.9	8.0	8.1	7.8	8.0	8.2	8.8
2010	11.4	11.1	7.8	10.2	8.0	7.4	6.7	7.4	8.9	9.4	9.7	12.3
2011	9.6	11.1	10.4	9.4	9.4	8.3	7.1	7.7	8.7	9.5	9.2	9.2
2012	10.9	9.0	9.8	9.8	8.9	7.7	7.4	8.3	8.2	10.3	9.9	9.1
2013	9.8	10.0	10.7	9.2	9.4	6.5	7.8	7.4	9.2	8.2	11.2	8.1
2014	10.1	8.7	9.7	8.7	7.0	6.7	8.4	7.1	9.4	10.3	10.2	8.8
2015	10.3	10.3	9.8	9.0	8.3	6.4	7.5	7.8	8.3	9.4	9.1	8.4
2016	10.0	11.6	9.1	9.9	8.2	7.8	8.1	8.5	7.9	9.0	9.3	9.9
2017	7.8	10.4	11.1	9.6	8.5	6.9	7.0	8.2	8.1	9.5	10.0	9.0
2018	11.1	8.9	9.3	10.2	7.1	6.8	7.4	7.5	7.7	8.7	9.8	9.5
2019	9.7	8.4	9.9	8.5	8.0	6.7	7.5	6.9	8.0	9.0	9.1	9.3
2020	9.1	11.0	9.9	9.3	8.3	7.6	6.6	7.4	7.9	8.9	10.1	9.3
2021	8.9	8.4	10.8	9.6	8.7	6.4	7.1	7.5	8.4	7.3	9.3	9.3
2022	11.2	10.5	10.1	9.1	7.5	7.3	6.5	6.9	8.9	9.8	9.2	9.3
2023	8.2	10.0	8.9	9.7	7.6	5.6	5.2	7.1	7.2	9.5	9.6	8.3
2024	8.7	9.2	9.7	10.0	7.3	7.6	5.8	6.4	7.4	10.0	8.7	9.7
2025	11.4	9.3	11.3	9.6	8.3	5.5	6.2	M	M	M	M	M
NCEI Climatology	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	M	M	M	M	36.29
2005	24.35	31.32	34.61	50.03	56.77	73.73	77.10	75.97	72.60	57.84	41.87	28.39
2006	33.48	27.50	37.61	53.30	60.68	68.00	78.74	73.90	63.73	51.52	44.57	35.68
2007	32.94	26.18	39.65	45.07	66.68	74.90	75.65	76.74	70.80	63.88	42.80	33.03
2008	27.35	25.21	31.68	48.07	54.55	67.43	72.55	75.23	68.57	58.16	44.73	30.50
2009	20.77	28.43	36.39	45.80	57.26	65.73	68.00	71.97	70.67	48.58	48.43	28.90
2010	27.61	29.32	44.39	55.00	64.77	66.53	77.55	77.97	63.27	57.23	45.10	30.48
2011	23.32	28.64	34.00	47.47	57.26	67.33	79.06	77.03	67.67	58.84	44.67	33.55
2012	31.35	34.83	49.90	48.37	66.52	72.60	80.19	76.81	66.47	54.10	42.50	35.16
2013	28.10	27.11	32.32	42.80	56.13	67.23	76.33	75.84	68.30	56.13	40.60	24.10
2014	20.03	19.71	28.68	44.37	58.61	69.23	71.42	71.74	69.17	53.19	36.33	32.65
2015	24.65	16.11	37.32	47.10	63.10	66.77	76.55	75.61	75.17	57.77	50.60	39.10
2016	28.23	29.79	39.52	44.81	61.58	68.87	75.87	77.06	71.20	57.81	50.93	30.64
2017	28.29	34.25	33.52	50.43	55.84	68.97	73.81	71.06	71.83	59.10	39.50	26.61
2018	26.23	26.68	32.61	39.30	64.68	69.10	77.10	74.74	69.33	49.84	33.97	33.35
2019	21.81	23.50	33.24	44.40	53.61	65.93	76.19	73.68	67.90	53.13	35.60	31.35
2020	30.19	28.66	37.55	41.87	57.52	71.87	76.74	73.90	64.57	49.03	47.57	33.71
2021	30.10	24.43	41.10	48.90	60.03	73.70	74.35	78.84	69.57	61.35	42.27	34.16
2022	22.10	23.54	32.81	43.30	60.74	71.90	73.52	74.26	68.40	57.26	44.63	31.55
2023	29.71	31.25	34.48	48.07	60.55	67.50	71.77	72.16	71.39	55.26	41.97	38.42
2024	28.84	37.41	40.58	49.87	61.94	68.97	74.87	75.03	73.93	62.26	45.57	33.29
2025	25.58	27.14	38.58	45.57	57.57	71.13	75.48	M	M	M	M	M
NCEI Climatology	25.90	27.82	35.71	45.71	59.41	68.30	74.70	74.30	67.40	54.80	41.99	31.70

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	M	M	M	M	18.80
2005	11.94	17.71	17.87	32.40	39.77	53.00	57.06	57.10	52.67	43.06	28.43	17.39
2006	24.19	16.18	24.81	34.47	42.45	48.67	58.71	54.97	46.50	36.90	32.83	24.35
2007	19.94	9.57	24.42	28.90	43.13	52.27	56.06	56.26	53.03	49.93	28.93	20.00
2008	16.23	9.10	15.52	31.20	36.52	48.27	55.48	54.10	49.93	41.35	31.53	14.23
2009	5.77	12.86	19.97	30.70	36.96	47.27	51.45	54.23	50.90	37.16	33.77	14.97
2010	17.32	17.64	26.00	35.80	44.45	50.70	59.26	60.90	45.87	39.68	31.13	21.03
2011	10.61	12.93	20.58	30.63	39.81	47.93	58.45	56.58	47.70	41.68	32.23	22.42
2012	18.61	20.97	31.84	30.27	42.71	52.60	59.48	57.00	46.73	38.58	30.80	25.65
2013	15.58	12.61	20.74	29.63	39.26	46.97	56.32	56.68	50.07	40.55	29.37	10.16
2014	5.90	0.71	8.42	27.37	39.71	49.83	52.45	53.84	50.57	40.74	22.33	21.39
2015	8.68	-0.32	18.58	31.23	40.97	47.23	57.26	58.19	57.33	41.42	34.80	28.74
2016	15.77	17.72	25.71	28.50	40.32	49.37	57.00	59.81	54.00	42.61	36.13	18.24
2017	17.54	19.89	21.52	32.87	38.87	49.83	54.23	55.03	52.47	41.77	28.07	13.35
2018	14.65	8.68	16.42	22.73	40.10	47.80	56.77	56.84	50.87	36.48	21.87	22.39
2019	8.29	9.07	16.77	30.00	35.74	45.87	56.03	53.29	51.30	38.45	24.64	19.87
2020	20.87	14.00	24.06	26.63	38.77	49.17	60.06	56.94	48.03	33.45	32.40	23.39
2021	20.23	7.00	23.52	32.53	41.68	52.43	54.29	59.58	50.60	46.84	30.63	21.26
2022	5.81	8.46	17.74	29.63	40.29	48.23	54.74	56.74	50.20	40.00	31.77	21.61
2023	21.55	15.71	19.16	32.47	40.10	48.53	53.65	55.32	53.93	42.90	28.63	28.94
2024	19.00	23.14	25.00	33.63	42.68	50.60	57.52	57.26	53.80	42.52	33.77	22.71
2025	12.94	12.75	22.87	29.63	39.90	50.83	55.97	M	M	M	M	M
NCEI Climatology	12.70	11.92	20.19	29.20	38.90	48.30	54.90	54.71	49.09	38.81	28.70	19.20

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	M	M	M	M	27.55
2005	18.15	24.52	26.24	41.22	48.27	63.37	67.08	66.53	62.63	50.45	35.15	22.89
2006	28.84	21.84	31.21	43.88	51.56	58.33	68.73	64.44	55.12	44.21	38.70	30.02
2007	26.44	17.88	32.03	36.98	54.90	63.58	65.85	66.50	61.92	56.90	35.87	26.52
2008	21.79	17.16	23.60	39.63	45.53	57.85	64.02	64.66	59.25	49.76	38.13	22.37
2009	13.27	20.64	28.18	38.25	47.11	56.50	59.73	63.10	60.78	42.87	41.10	21.94
2010	22.47	23.48	35.19	45.40	54.61	58.62	68.40	69.44	54.57	48.45	38.12	25.76
2011	16.97	20.79	27.29	39.05	48.53	57.63	68.76	66.81	57.68	50.26	38.45	27.98
2012	24.98	27.90	40.87	39.32	54.61	62.60	69.84	66.90	56.60	46.34	36.65	30.40
2013	21.84	19.86	26.53	36.22	47.69	57.10	66.32	66.26	59.18	48.34	34.98	17.13
2014	12.97	10.21	18.55	35.87	49.16	59.53	61.94	62.79	59.87	46.97	29.33	27.02
2015	16.66	7.89	27.95	39.16	52.03	57.00	66.90	66.90	66.25	49.60	42.70	33.92
2016	22.00	23.76	32.61	36.66	50.95	59.12	66.44	68.44	62.60	50.21	43.53	24.44
2017	22.91	27.07	27.52	41.65	47.35	59.40	64.02	63.05	62.15	50.44	33.78	19.98
2018	20.44	17.68	24.52	31.02	52.39	58.45	66.94	65.79	60.10	43.16	27.92	27.87
2019	15.05	16.29	25.00	37.20	44.68	55.90	66.11	63.48	59.60	45.79	30.12	25.61
2020	25.53	21.33	30.81	34.25	48.15	60.52	68.40	65.42	56.30	41.24	39.98	28.55
2021	25.16	15.71	32.31	40.72	50.85	63.07	64.32	69.21	60.08	54.10	36.45	27.71
2022	13.95	16.00	25.27	36.47	50.52	60.07	64.13	65.50	59.30	48.63	38.20	26.58
2023	25.63	23.48	26.82	40.27	50.32	58.02	62.71	63.74	62.66	49.08	35.30	33.68
2024	23.92	30.28	32.79	41.75	52.31	59.78	66.19	66.15	63.87	52.39	39.67	28.00
2025	19.26	19.95	30.73	37.60	48.73	60.98	65.73	M	M	M	M	M
NCEI Climatology	19.30	19.87	27.95	37.46	49.15	58.30	64.80	64.50	58.25	46.81	35.35	25.45

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	M	M	M	70.8%
2005	71.3%	74.2%	70.4%	68.2%	72.7%	73.3%	70.7%	73.7%	71.8%	77.6%	79.1%	76.9%
2006	77.8%	69.5%	72.5%	65.7%	74.0%	73.1%	73.0%	73.8%	76.5%	71.3%	75.1%	75.6%
2007	66.2%	61.2%	66.4%	71.8%	60.1%	67.4%	71.6%	68.2%	70.2%	69.8%	66.6%	74.0%
2008	74.2%	72.6%	70.5%	70.5%	71.6%	78.3%	75.6%	73.4%	73.6%	68.1%	70.7%	70.1%
2009	70.9%	77.5%	69.2%	69.8%	66.9%	78.0%	77.4%	75.2%	77.7%	79.2%	75.4%	74.7%
2010	75.7%	76.2%	69.7%	65.1%	67.3%	80.7%	77.5%	77.5%	80.5%	71.9%	77.2%	78.3%
2011	75.4%	69.2%	73.3%	71.9%	75.3%	76.3%	76.2%	75.6%	78.6%	75.5%	76.3%	76.1%
2012	75.6%	70.8%	71.3%	69.8%	65.8%	68.9%	72.1%	69.5%	73.0%	72.4%	71.8%	73.9%
2013	69.8%	73.4%	71.6%	69.0%	70.3%	73.3%	72.1%	72.6%	75.6%	74.1%	71.3%	68.7%
2014	67.6%	65.8%	66.0%	70.0%	68.1%	66.9%	68.3%	77.7%	72.1%	75.3%	69.5%	75.2%
2015	69.3%	67.3%	62.7%	62.8%	69.2%	75.4%	70.7%	74.4%	71.9%	70.1%	70.5%	80.7%
2016	77.4%	74.4%	75.0%	68.3%	69.6%	73.1%	77.6%	71.5%	81.3%	81.4%	79.6%	74.6%
2017	87.2%	72.7%	73.3%	74.2%	77.4%	81.0%	82.8%	86.5%	82.8%	80.8%	79.6%	80.1%
2018	80.1%	76.2%	77.5%	70.9%	73.6%	79.7%	78.2%	77.7%	77.5%	78.1%	75.8%	78.3%
2019	74.6%	77.9%	69.9%	72.5%	75.8%	74.2%	75.1%	75.8%	80.6%	76.5%	76.3%	78.9%
2020	78.3%	70.3%	75.9%	70.5%	69.7%	70.7%	78.7%	79.2%	76.1%	74.0%	71.6%	75.6%
2021	77.2%	70.0%	68.7%	75.3%	68.0%	74.4%	74.2%	73.6%	74.8%	79.8%	72.6%	75.7%
2022	70.6%	71.3%	73.1%	72.5%	72.2%	72.5%	76.9%	80.6%	80.5%	78.4%	76.6%	77.2%
2023	80.1%	72.4%	74.1%	73.8%	70.4%	78.3%	81.2%	79.8%	79.7%	79.2%	69.2%	81.2%
2024	79.2%	75.6%	72.8%	72.8%	73.4%	77.4%	78.8%	79.3%	75.2%	68.0%	80.7%	79.1%
2025	69.8%	73.2%	71.5%	72.2%	73.0%	75.3%	78.0%	M	M	M	M	M