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 (USC00114108) 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	0.17	3.46	4.84	1.76
2005	5.14	1.35	0.92	5.75	1.10	2.40	1.90	1.34	3.44	1.92	2.18	0.41
2006	1.39	0.33	2.47	2.14	2.50	1.81	1.04	2.67	2.44	3.15	2.27	2.47
2007	2.62	1.76	1.32	1.53	1.40	2.72	0.95	0.51	0.86	1.31	0.62	0.62
2008	1.05	3.34	4.40	2.03	5.94	3.16	4.83	0.59	0.65	0.00	0.84	3.57
2009	0.09	1.90	2.09	3.28	2.14	1.03	1.57	0.10	0.07	6.68	2.41	2.78
2010	0.39	0.64	0.50	2.02	3.16	2.56	4.28	1.50	2.97	0.17	3.34	0.48
2011	0.49	2.51	1.53	1.50	0.14	0.65	0.04	0.92	1.73	1.17	4.27	2.30
2012	1.26	1.01	2.17	5.65	2.16	1.10	0.02	3.72	3.46	2.20	0.60	1.61
2013	1.14	1.66	1.32	5.98	4.78	3.63	1.82	0.62	1.39	1.11	0.27	1.21
2014	0.57	0.98	1.33	5.43	3.45	4.74	0.53	3.05	3.16	5.63	2.24	1.72
2015	0.68	0.65	1.96	4.74	5.09	5.13	3.18	2.54	1.27	0.76	0.51	0.38
2016	0.21	0.24	1.40	3.43	1.53	1.15	2.76	2.88	2.07	1.66	2.06	0.74
2017	1.19	0.16	2.36	1.41	2.91	3.32	1.68	0.73	0.96	2.27	1.57	0.20
2018	0.59	3.44	4.74	1.92	3.97	2.61	1.59	4.18	0.93	0.85	1.31	2.58
2019	1.56	1.52	4.48	4.34	6.87	3.71	1.32	4.34	M	3.85	2.79	1.17
2020	4.38	1.49	2.72	3.97	3.30	2.11	4.84	0.98	0.25	0.13	2.11	1.49
2021	1.94	1.27	1.26	0.08	3.71	1.17	3.26	2.60	0.58	2.69	0.22	1.56
2022	0.06	2.18	4.15	2.75	3.67	1.72	5.75	4.51	1.59	3.20	1.81	2.00
2023	2.30	1.26	2.05	M	0.32	0.47	0.21	0.10	0.74	3.07	0.83	2.54
2024	2.94	0.07	1.97	4.47	7.01	0.64	4.90	1.71	1.94	0.20	1.28	1.68
2025	0.23	0.23	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	2.52	2.71	3.05	5.03	5.06	3.83	3.74	3.14	3.30	3.41	3.76	2.62

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	6.1	9.0	9.4	11.1
2005	9.7	9.0	10.5	10.7	8.9	6.4	5.8	4.9	6.3	7.0	11.7	9.4
2006	M	M	M	M	M	M	M	M	8.0	9.7	9.9	10.3
2007	11.2	9.9	10.8	11.2	8.3	5.8	4.6	5.6	6.7	9.7	9.3	9.0
2008	13.0	11.4	10.8	11.4	9.9	8.7	6.0	4.8	5.2	7.7	9.6	13.2
2009	10.7	12.3	11.8	11.6	7.3	6.6	5.3	5.8	5.3	8.0	8.4	11.1
2010	9.5	8.7	9.7	10.5	8.3	6.7	5.7	5.6	7.1	7.6	10.5	10.1
2011	8.6	9.8	11.0	11.5	9.8	8.3	4.6	5.0	6.6	7.8	13.2	8.9
2012	11.1	10.3	11.1	9.7	8.3	7.8	6.0	6.2	7.0	10.6	7.9	10.3
2013	10.6	11.1	10.4	11.1	9.3	7.7	5.0	3.4	4.8	7.4	10.2	9.4
2014	12.5	7.2	8.2	7.1	7.9	8.3	6.3	5.7	5.9	8.3	11.0	8.4
2015	9.5	10.2	8.4	10.0	9.5	6.9	5.3	4.9	5.8	8.9	10.3	10.8
2016	10.5	10.6	10.9	10.0	8.4	6.6	4.8	4.8	6.4	8.4	8.4	9.0
2017	10.4	10.4	11.3	10.4	9.8	7.5	5.4	4.9	5.4	8.7	9.7	9.9
2018	11.4	10.6	10.0	10.8	7.7	6.1	5.9	6.0	6.9	8.4	9.3	9.5
2019	10.8	10.6	10.5	10.7	8.7	7.9	5.6	4.5	5.2	7.6	8.8	9.4
2020	9.2	10.0	10.2	10.4	8.4	7.1	5.3	4.9	6.5	8.9	10.5	8.8
2021	8.7	11.5	10.8	10.1	8.5	6.9	4.3	4.9	6.0	4.4	9.0	9.1
2022	7.5	6.2	11.0	11.9	10.0	7.0	5.5	5.4	5.8	8.4	10.1	10.9
2023	9.7	10.4	12.3	M	5.1	6.3	4.7	5.3	5.2	8.6	8.1	9.7
2024	9.5	9.6	11.4	11.3	7.5	7.8	5.5	5.8	5.8	7.9	10.0	9.8
2025	9.9	10.2	11.4	M	M	M	M	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	82.40	81.14	67.01	54.56	42.05
2005	37.81	45.69	50.41	67.10	75.26	85.16	86.06	86.23	82.70	65.27	55.22	35.54
2006	47.21	43.12	53.31	71.06	73.11	83.24	88.67	86.23	75.98	65.15	55.52	47.79
2007	40.42	33.89	60.16	61.64	76.52	81.50	87.10	96.86	85.75	70.09	52.28	38.39
2008	38.15	35.72	48.90	59.96	68.52	82.58	82.92	81.06	75.74	65.39	49.10	41.99
2009	33.68	43.38	55.86	62.60	73.34	84.92	80.31	81.41	76.40	61.90	57.44	37.75
2010	36.94	34.89	54.65	70.76	73.92	85.34	87.22	87.45	78.38	71.02	56.42	33.74
2011	30.72	40.74	51.97	67.16	72.65	82.58	90.76	87.34	75.50	69.10	55.93	44.95
2012	46.50	46.49	68.08	67.71	81.21	86.37	95.59	88.26	77.01	63.86	52.69	50.96
2013	39.45	38.93	43.58	60.58	72.64	80.75	81.69	82.96	80.91	65.75	50.80	36.55
2014	31.80	30.01	48.00	63.79	74.39	82.03	80.66	82.87	75.83	64.32	44.18	39.31
2015	35.65	29.67	49.54	65.17	74.78	82.47	83.22	81.85	81.72	68.26	56.11	47.87
2016	35.99	42.54	57.24	64.98	71.52	86.34	83.78	86.07	83.53	71.30	56.44	36.21
2017	40.07	52.40	54.04	67.72	72.78	83.05	87.00	81.13	81.36	68.87	54.03	40.11
2018	35.00	43.26	48.43	56.85	82.69	85.92	83.57	83.94	83.25	67.16	42.48	42.96
2019	33.35	38.02	47.10	64.29	72.88	80.77	86.13	82.06	83.35	64.28	46.35	43.03
2020	38.51	40.34	53.56	60.94	69.15	84.58	84.32	82.06	77.94	63.96	56.89	42.28
2021	36.18	29.90	56.70	63.09	70.77	84.50	82.48	85.04	81.92	69.19	51.80	51.12
2022	33.04	37.84	53.42	61.42	74.45	84.69	84.97	82.65	76.33	65.85	51.92	39.27
2023	42.60	47.84	51.60	M	77.12	83.00	85.27	83.70	81.17	67.02	54.71	46.17
2024	32.71	52.18	58.88	65.33	76.56	84.95	83.13	83.54	80.33	72.65	54.40	42.83
2025	30.48	38.26	41.35	M	M	M	M	M	M	M	M	M
NCEI Climatology	38.40	44.68	55.40	68.30	77.70	86.00	88.70	87.30	81.70	69.69	54.59	42.80

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	82.40	56.90	48.61	40.64	26.95
2005	23.99	31.16	33.16	46.16	51.86	64.34	65.91	66.49	59.30	46.05	36.26	23.58
2006	32.93	23.77	35.83	48.14	55.17	63.20	67.71	67.01	54.98	42.57	37.46	33.13
2007	25.03	17.28	41.17	41.06	59.30	62.24	65.33	71.48	60.74	48.78	33.86	26.48
2008	21.20	22.01	33.80	42.02	49.94	63.50	65.27	61.85	57.02	44.77	33.86	22.88
2009	17.77	27.82	37.34	44.06	54.70	65.30	62.66	61.85	56.78	41.99	39.74	26.25
2010	18.76	22.16	37.40	49.28	56.68	68.00	69.74	67.54	56.84	43.90	35.06	23.75
2011	19.23	26.66	36.47	46.70	54.12	65.60	70.85	65.74	52.46	44.77	40.48	32.29
2012	26.37	30.89	47.97	46.88	59.73	62.19	70.72	63.85	55.63	44.37	33.93	33.76
2013	22.75	24.66	29.35	41.43	54.30	62.89	62.69	61.78	56.62	43.89	29.81	19.96
2014	12.41	12.22	25.80	43.81	54.96	64.54	59.25	65.11	53.41	45.52	26.86	29.51
2015	20.61	10.21	29.98	45.19	55.74	64.35	65.55	62.03	58.61	44.69	37.50	34.82
2016	21.15	27.23	39.25	44.08	52.90	64.97	67.58	66.79	59.26	50.41	38.19	23.59
2017	26.56	31.36	35.49	47.48	53.03	61.32	65.97	60.25	55.75	48.04	34.10	21.95
2018	16.61	24.40	31.79	36.10	61.27	65.60	65.21	64.51	62.27	45.23	28.61	28.69
2019	24.60	28.98	31.31	44.91	55.40	62.60	67.59	63.97	62.43	43.23	27.26	26.88
2020	26.64	26.42	37.78	40.18	51.98	63.28	67.58	61.41	54.56	40.90	36.56	26.44
2021	25.64	15.91	37.79	42.79	51.76	64.80	65.17	66.21	57.79	51.21	30.33	33.47
2022	14.74	20.17	34.25	42.09	55.98	63.47	66.93	63.82	55.71	39.95	33.85	25.00
2023	29.52	29.18	33.70	M	55.02	60.30	64.93	63.80	56.40	45.01	32.90	33.55
2024	21.34	29.86	37.45	45.29	58.07	64.51	64.37	63.59	57.28	43.96	39.56	28.63
2025	14.69	22.67	20.75	M	M	M	M	M	M	M	M	M
NCEI Climatology	21.40	25.54	34.19	44.10	54.30	63.30	66.60	64.70	56.70	45.80	35.21	26.40

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	82.40	69.02	57.81	47.60	34.50
2005	30.90	38.43	41.78	56.63	63.56	74.75	75.98	76.36	71.00	55.66	45.74	29.56
2006	40.07	33.45	44.57	59.60	64.14	73.22	78.19	76.62	65.48	53.86	46.49	40.46
2007	32.73	25.59	50.67	51.35	67.91	71.87	76.22	84.17	73.06	59.44	43.07	32.44
2008	29.68	28.87	41.35	50.99	59.23	73.04	74.10	71.45	66.38	55.08	41.48	32.44
2009	25.73	35.60	46.60	53.33	64.02	75.11	71.48	71.63	66.59	51.95	48.59	32.00
2010	27.85	28.53	46.02	60.02	65.30	76.67	78.48	77.49	67.61	57.46	45.74	28.75
2011	24.97	33.70	44.22	56.93	63.38	74.09	80.80	76.54	63.98	56.94	48.20	38.62
2012	36.43	38.69	58.02	57.29	70.47	74.28	83.16	76.06	66.32	54.11	43.31	42.36
2013	31.10	31.79	36.46	51.01	63.47	71.82	72.19	72.37	68.76	54.82	40.30	28.26
2014	22.11	21.12	36.90	53.80	64.68	73.33	69.95	73.99	64.62	54.92	35.52	34.41
2015	28.13	19.94	39.76	55.18	65.26	73.41	74.38	71.94	70.17	56.47	46.81	41.34
2016	28.57	34.89	48.25	54.53	62.21	75.65	75.68	76.43	71.40	60.86	47.31	29.90
2017	33.32	41.88	44.76	57.60	62.91	72.19	76.49	70.69	68.56	58.46	44.06	31.03
2018	25.80	33.83	40.11	46.48	71.98	75.76	74.39	74.23	72.76	56.20	35.55	35.83
2019	28.97	33.50	39.20	54.60	64.14	71.68	76.86	73.02	72.89	53.76	36.81	34.95
2020	32.58	33.38	45.67	50.56	60.57	73.93	75.95	71.73	66.25	52.43	46.73	34.36
2021	30.91	22.90	47.25	52.94	61.27	74.65	73.82	75.62	69.85	60.20	41.07	42.30
2022	23.89	29.00	43.84	51.76	65.22	74.08	75.95	73.23	66.02	52.90	42.89	32.14
2023	36.06	38.51	42.65	M	66.07	71.65	75.10	73.75	68.78	56.01	43.80	39.86
2024	27.02	41.02	48.17	55.31	67.31	74.73	73.75	73.56	68.81	58.30	46.98	35.73
2025	22.58	30.47	31.05	M	M	M	M	M	M	M	M	M
NCEI Climatology	29.90	35.11	44.80	56.20	66.00	74.65	77.65	76.00	69.20	57.75	44.90	34.60

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	61.9%	72.7%	80.5%	76.2%
2005	85.0%	82.5%	68.8%	65.0%	59.6%	69.6%	74.7%	73.1%	75.0%	77.6%	69.0%	81.1%
2006	M	M	M	M	M	M	M	M	64.7%	67.6%	74.7%	76.7%
2007	76.2%	65.0%	68.0%	60.9%	62.7%	65.3%	61.7%	54.7%	54.8%	69.4%	69.5%	85.2%
2008	71.6%	80.9%	75.9%	72.5%	72.0%	68.2%	75.2%	74.9%	77.5%	70.7%	71.9%	78.6%
2009	74.4%	74.6%	66.9%	70.2%	69.0%	73.3%	74.0%	76.1%	73.8%	77.7%	74.4%	79.6%
2010	82.0%	78.6%	75.1%	64.1%	73.8%	74.6%	75.1%	73.5%	71.8%	57.9%	68.5%	81.8%
2011	79.8%	77.7%	74.0%	70.7%	76.2%	72.1%	74.9%	69.6%	68.0%	62.5%	75.1%	80.7%
2012	74.6%	75.0%	69.6%	66.4%	61.5%	58.3%	58.9%	63.1%	72.3%	72.3%	73.4%	81.9%
2013	76.4%	78.6%	75.4%	72.8%	77.5%	77.8%	79.1%	79.5%	75.6%	76.8%	74.6%	81.2%
2014	73.5%	75.5%	71.2%	69.3%	73.1%	80.1%	74.7%	84.5%	77.7%	73.0%	73.0%	81.9%
2015	75.0%	72.1%	71.9%	63.3%	70.1%	79.7%	78.5%	76.1%	70.4%	63.1%	73.4%	82.0%
2016	75.2%	71.8%	71.8%	65.1%	70.4%	63.9%	79.4%	77.8%	70.2%	76.9%	78.4%	79.0%
2017	84.6%	74.5%	71.4%	72.6%	74.7%	68.4%	77.3%	78.3%	70.8%	73.9%	75.2%	69.3%
2018	76.4%	79.9%	74.5%	67.4%	71.4%	79.0%	79.5%	84.0%	75.4%	73.9%	84.2%	84.8%
2019	81.6%	82.1%	74.1%	73.1%	80.4%	75.7%	78.6%	82.1%	79.1%	75.2%	80.0%	85.4%
2020	85.1%	78.9%	76.7%	66.9%	76.2%	65.1%	79.0%	78.8%	74.3%	69.6%	70.1%	75.5%
2021	82.4%	74.6%	67.4%	66.7%	68.1%	68.4%	80.8%	82.2%	73.3%	80.6%	69.6%	80.1%
2022	73.7%	77.2%	71.3%	69.8%	75.4%	65.9%	78.8%	81.7%	77.2%	65.3%	70.4%	78.8%
2023	82.9%	73.5%	80.5%	M	58.8%	61.5%	78.3%	80.4%	67.2%	68.1%	62.9%	76.0%
2024	79.5%	66.8%	63.1%	64.9%	71.2%	63.5%	75.1%	73.4%	69.8%	58.6%	77.2%	78.6%
2025	71.7%	73.0%	57.9%	M	M	M	M	M	M	M	M	M