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 (USW00026510) 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
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	M
2007	M	0.00	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	0.00	0.00	0.00	0.55	2.11	2.69	1.56	0.20	0.00	0.57	0.01
2011	0.01	0.29	0.00	0.14	0.77	0.55	2.06	2.25	0.17	0.16	0.28	1.59
2012	0.02	0.12	0.08	0.14	1.48	2.74	6.09	5.00	1.90	0.47	0.01	0.28
2013	0.64	0.11	0.00	0.03	0.03	1.03	1.28	1.42	2.61	2.29	0.65	0.14
2014	0.38	M	0.05	0.11	0.62	2.41	1.62	1.95	1.08	0.10	0.14	0.04
2015	M	0.02	M	0.24	0.21	1.13	1.81	1.99	0.78	0.03	0.22	M
2016	M	0.03	0.69	0.06	0.22	3.57	5.93	1.15	3.69	0.63	0.05	0.94
2017	1.15	0.25	M	0.34	3.22	2.53	4.36	7.61	3.20	3.76	0.69	0.42
2018	0.00	1.82	1.51	1.45	2.40	3.14	3.27	8.87	2.68	1.47	0.53	1.75
2019	0.23	0.91	0.20	0.40	0.84	1.87	2.58	4.19	0.80	M	M	0.34
2020	0.00	0.02	1.22	2.87	0.45	1.03	2.63	2.47	2.37	0.59	0.77	0.22
2021	0.13	0.73	1.02	0.55	0.73	2.71	3.92	6.02	0.48	2.21	0.22	2.38
2022	0.49	2.31	0.21	0.00	1.37	0.29	5.92	6.86	4.41	3.36	1.32	0.13
2023	0.33	1.05	0.12	0.50	0.28	3.48	5.18	5.89	3.39	0.24	1.16	0.13
2024	0.18	0.30	0.11	0.75	0.73	1.89	6.65	5.61	2.90	1.21	0.44	0.24
2025	4.94	0.03	0.13	0.86	3.95	2.91	3.76	5.41	3.46	2.83	0.41	0.92
2026	0.11	1.67	0.08	1.58	1.75	3.85	3.93	8.57	8.67	M	M	M
NCEI Climatology	1.15	0.90	0.68	0.74	0.91	1.66	2.50	2.91	2.53	1.46	1.43	1.21

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	0.8	7.8	5.5	9.6	5.2	10.2	M	0.1	5.9	5.3	3.8	3.5
2007	4.9	4.7	4.4	6.8	6.6	6.2	4.6	3.2	0.0	0.0	3.3	3.7
2008	0.2	10.2	5.7	5.2	4.9	3.5	3.6	2.5	3.7	2.2	2.5	3.7
2009	4.0	4.6	7.1	4.5	2.8	3.9	3.6	2.9	3.3	6.2	3.9	4.8
2010	4.2	5.5	6.2	6.1	5.8	4.8	5.4	4.4	5.2	4.7	3.7	2.8
2011	7.3	6.4	7.2	7.6	7.2	7.1	4.4	3.1	4.0	3.3	3.9	5.4
2012	3.3	6.8	5.5	4.7	4.4	4.7	4.4	3.7	5.4	4.8	5.7	4.7
2013	7.1	5.6	6.3	6.1	5.0	5.6	4.6	4.1	4.3	5.4	4.1	4.0
2014	6.0	5.2	4.6	4.7	4.4	3.4	4.3	3.7	3.5	3.7	6.3	5.8
2015	4.3	4.7	5.0	5.3	4.8	4.1	3.4	3.6	3.0	4.4	4.3	5.0
2016	6.7	5.8	4.2	5.5	4.7	4.1	5.7	4.7	4.9	7.1	3.2	4.5
2017	2.7	4.5	4.6	7.6	5.7	5.0	4.2	4.5	4.9	5.1	3.8	6.3
2018	4.6	5.7	5.2	8.7	6.0	5.0	4.3	5.4	5.2	5.8	4.3	3.8
2019	6.3	5.8	5.8	5.7	5.3	3.6	4.2	5.0	4.4	M	M	5.7
2020	2.5	5.8	5.1	5.7	5.6	5.3	4.1	3.2	5.2	5.2	4.5	6.4
2021	4.4	5.6	4.6	4.2	6.7	4.1	4.5	4.3	4.0	4.0	1.9	5.5
2022	6.7	6.9	7.4	5.5	5.4	4.0	4.3	3.9	3.9	4.0	3.5	7.0
2023	4.3	4.8	1.7	6.2	5.6	4.7	3.6	4.3	3.7	4.1	3.8	2.9
2024	5.2	5.8	5.9	5.4	5.0	3.6	4.4	4.9	4.4	4.8	3.6	5.8
2025	6.4	4.3	5.0	5.9	4.3	3.9	4.1	3.7	3.9	6.1	3.7	3.6
2026	2.9	6.1	4.2	5.2	5.3	4.9	3.8	4.6	3.1	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
2005	M	M	M	M	M	M	M	M	M	M	M	4.10
2006	-28.87	15.75	12.09	28.69	51.60	55.88	58.31	53.60	46.51	34.28	3.78	4.47
2007	1.44	16.33	12.27	49.32	59.11	66.78	68.88	64.22	53.62	28.24	20.25	4.86
2008	-6.70	13.38	22.22	35.57	54.06	62.47	63.63	62.30	51.84	21.06	8.51	3.65
2009	-2.17	11.88	14.68	40.34	58.38	65.51	75.15	61.96	53.91	36.89	5.77	7.68
2010	-1.69	15.73	20.41	42.63	61.56	65.16	65.21	62.91	56.19	33.35	16.61	-9.24
2011	5.97	11.63	24.51	38.82	58.91	64.29	64.12	59.46	54.48	34.23	0.37	12.59
2012	-16.96	16.96	14.88	46.00	55.55	66.51	65.18	62.12	50.02	30.38	4.65	-3.06
2013	10.74	10.33	23.39	30.15	53.80	73.98	71.19	65.02	48.82	43.87	19.61	6.95
2014	20.75	12.53	27.44	46.01	60.15	63.61	68.44	66.18	55.15	30.89	24.10	18.13
2015	8.77	18.72	31.41	47.16	65.37	70.77	69.81	61.97	49.56	38.09	23.28	11.26
2016	20.09	23.25	29.46	51.60	63.43	68.32	67.39	66.88	54.18	37.72	10.18	7.69
2017	3.95	14.97	17.21	47.26	59.06	69.48	73.33	63.62	52.48	38.35	19.99	24.31
2018	4.92	19.74	31.16	40.66	55.66	66.46	73.15	60.97	56.05	41.87	19.22	9.33
2019	5.24	23.01	37.34	42.89	59.75	71.28	74.18	64.57	62.15	M	M	2.77
2020	-11.19	11.39	22.66	40.22	61.95	62.18	66.74	66.98	53.14	39.14	16.18	9.49
2021	12.75	7.50	21.90	22.53	60.98	66.97	67.41	59.56	49.93	33.13	4.11	17.15
2022	5.67	11.88	30.69	47.38	58.19	70.31	67.92	61.64	53.43	34.28	17.97	6.48
2023	8.97	9.82	32.90	31.09	56.16	64.17	69.48	65.62	49.49	33.87	22.78	2.29
2024	-0.59	17.28	26.62	43.82	56.29	71.33	66.16	60.80	52.07	34.77	14.41	13.70
2025	20.10	17.54	29.68	42.64	56.40	67.00	68.01	64.13	50.01	38.35	18.13	-5.57
2026	-2.70	10.39	2.84	M	60.40	69.62	66.90	62.98	56.03	M	M	M
NCEI Climatology	2.60	14.88	24.50	42.91	58.90	68.80	69.50	64.00	53.90	34.51	14.90	5.49

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	M	M	M	3.00
2006	-44.87	8.10	3.76	23.98	46.28	49.46	51.96	48.48	43.45	27.73	-12.42	-8.99
2007	-13.86	-9.77	-14.22	28.51	39.02	46.95	51.57	47.92	39.68	20.19	7.45	-9.35
2008	-14.81	7.75	10.42	16.62	35.43	44.84	48.25	42.92	37.36	5.77	-4.83	-11.15
2009	-18.16	-7.30	-4.75	19.96	32.76	44.94	51.00	41.54	34.93	24.62	-9.73	-8.20
2010	-15.97	-2.14	-5.46	21.98	35.53	44.87	48.42	45.72	33.85	20.53	3.79	-25.38
2011	-8.58	-9.76	1.10	18.64	34.88	44.83	45.87	44.00	39.22	22.73	-16.76	-3.80
2012	-36.54	1.01	-6.82	23.95	35.33	46.50	48.27	45.79	35.60	17.07	-11.83	-21.20
2013	-3.31	-5.36	-0.44	6.68	30.09	51.21	52.04	48.64	35.52	33.88	4.47	-6.37
2014	9.47	-5.34	2.58	22.92	37.76	44.59	49.80	48.56	36.67	18.41	12.18	7.53
2015	-5.12	0.66	8.25	26.11	40.55	46.96	51.46	46.05	36.58	28.51	11.13	-1.77
2016	7.97	7.72	13.11	30.68	41.25	49.29	54.21	50.38	38.00	24.89	-4.74	-8.62
2017	-15.87	-6.21	-16.86	27.34	37.45	47.78	53.37	47.46	38.81	26.87	5.04	10.56
2018	-12.77	3.43	9.97	23.17	36.71	47.04	50.79	48.33	39.80	27.51	5.96	-6.14
2019	-3.54	9.68	21.91	24.52	39.26	48.92	54.42	46.92	48.11	M	M	-11.01
2020	-30.45	-11.99	0.07	25.59	41.64	49.78	51.70	47.18	37.85	26.59	-1.74	-3.55
2021	-1.42	-9.37	0.45	-1.93	39.53	47.13	51.05	47.27	32.90	21.76	-10.69	0.71
2022	-6.17	0.71	12.53	25.84	35.23	48.26	49.65	47.17	39.34	21.30	3.77	-7.87
2023	-4.72	-6.75	22.90	5.51	37.84	47.62	52.19	49.86	34.03	19.17	6.75	-13.59
2024	-15.55	0.08	9.23	24.77	35.37	48.87	48.14	46.06	37.90	21.23	0.72	2.39
2025	5.81	2.31	10.48	25.50	38.12	47.03	52.00	47.50	37.37	29.61	7.95	-22.14
2026	-21.92	-10.41	-24.94	M	42.40	45.75	46.99	50.72	44.33	M	M	M
NCEI Climatology	-14.10	-5.54	-0.70	21.50	38.00	48.60	52.10	47.80	38.00	22.41	1.09	-10.01

Average Daily Temperature (high+low)/2 [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	M	M	M	3.55
2006	-36.87	11.92	7.93	26.33	48.94	52.67	55.13	51.04	44.98	31.00	-4.32	-2.26
2007	-6.21	3.20	-0.98	38.91	49.06	56.87	60.23	56.07	46.65	24.21	13.85	-2.25
2008	-10.75	10.56	16.32	26.09	44.74	53.66	55.94	52.61	44.60	13.42	1.84	-3.75
2009	-10.17	2.29	4.96	30.15	45.57	55.23	63.08	51.75	44.42	30.76	-1.98	-0.26
2010	-8.83	6.80	7.47	32.30	48.55	55.02	56.81	54.32	45.02	26.94	10.20	-17.31
2011	-1.30	0.93	12.80	28.73	46.89	54.56	54.99	51.73	46.85	28.48	-8.19	4.40
2012	-26.75	8.98	4.03	34.98	45.44	56.50	56.72	53.96	42.81	23.73	-3.59	-12.13
2013	3.71	2.48	11.47	18.42	41.94	62.60	61.61	56.83	42.17	38.87	12.04	0.29
2014	15.11	3.59	15.01	34.47	48.95	54.10	59.12	57.37	45.91	24.65	18.14	12.83
2015	1.82	9.69	19.83	36.64	52.96	58.86	60.63	54.01	43.07	33.30	17.20	4.74
2016	14.03	15.49	21.28	41.14	52.34	58.80	60.80	58.63	46.09	31.30	2.72	-0.46
2017	-5.96	4.38	0.17	37.30	48.26	58.63	63.35	55.54	45.64	32.61	12.51	17.44
2018	-3.92	11.59	20.56	31.92	46.19	56.75	61.97	54.65	47.93	34.69	12.59	1.60
2019	0.85	16.34	29.62	33.71	49.50	60.10	64.30	55.75	55.13	M	M	-4.12
2020	-20.82	-0.30	11.37	32.91	51.80	55.98	59.22	57.08	45.49	32.86	7.22	2.97
2021	5.67	-0.93	11.17	10.30	50.26	57.05	59.23	53.42	41.42	27.45	-3.29	8.93
2022	-0.25	6.29	21.61	36.61	46.71	59.28	58.79	54.41	46.39	27.79	10.87	-0.70
2023	2.13	1.54	27.90	18.30	47.00	55.89	60.83	57.74	41.76	26.52	14.76	-5.65
2024	-8.07	8.68	17.93	34.29	45.83	60.10	57.15	53.43	44.99	28.00	7.56	8.05
2025	12.96	9.93	20.08	34.07	47.26	57.02	60.00	55.82	43.69	33.98	13.04	-13.85
2026	-12.31	-0.01	-11.05	M	51.40	57.68	56.94	56.85	50.18	M	M	M
NCEI Climatology	-5.75	4.67	11.90	32.20	48.45	58.70	60.80	55.90	45.95	28.46	7.99	-2.26

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
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	65.7%	74.7%	72.4%	86.8%	40.8%	77.1%	M	96.7%	73.5%	85.4%	75.5%	78.7%
2007	77.2%	64.6%	53.8%	54.3%	56.5%	58.4%	74.7%	77.9%	79.5%	83.0%	80.8%	75.2%
2008	75.7%	57.3%	67.3%	62.5%	58.9%	66.1%	72.2%	72.5%	79.2%	85.5%	85.5%	82.3%
2009	75.6%	79.0%	68.5%	63.2%	53.8%	61.4%	56.0%	70.1%	73.6%	80.4%	77.0%	78.8%
2010	71.0%	70.2%	61.4%	60.1%	52.2%	68.2%	73.0%	76.1%	62.5%	70.4%	78.6%	68.0%
2011	71.6%	74.1%	53.0%	58.6%	46.4%	62.0%	67.3%	77.3%	69.0%	82.3%	75.4%	78.8%
2012	68.9%	73.0%	64.4%	58.3%	56.4%	69.1%	71.5%	77.1%	76.4%	75.1%	68.3%	72.1%
2013	74.4%	71.8%	61.5%	54.8%	49.5%	55.4%	68.4%	74.1%	77.3%	78.0%	81.1%	76.9%
2014	78.2%	64.4%	58.0%	53.2%	54.3%	67.6%	67.1%	72.4%	71.8%	78.4%	71.7%	80.0%
2015	74.7%	68.1%	62.6%	56.3%	53.5%	57.4%	70.8%	75.2%	79.9%	80.0%	83.4%	76.6%
2016	71.9%	70.1%	67.2%	54.6%	59.3%	67.2%	79.7%	76.3%	82.5%	71.6%	83.3%	82.0%
2017	80.0%	79.1%	60.8%	56.2%	58.9%	61.0%	71.3%	80.9%	83.1%	87.3%	89.3%	83.6%
2018	77.5%	79.1%	77.0%	59.5%	63.9%	65.2%	67.4%	83.1%	81.1%	80.4%	86.4%	84.9%
2019	77.7%	81.8%	72.8%	62.7%	60.7%	67.6%	69.5%	78.4%	74.4%	M	M	81.7%
2020	76.4%	77.9%	74.0%	75.4%	53.1%	69.0%	76.6%	77.8%	81.2%	80.0%	83.0%	81.2%
2021	82.6%	76.5%	77.1%	76.3%	56.5%	69.2%	73.3%	85.3%	77.4%	88.5%	83.8%	85.0%
2022	75.6%	79.6%	75.4%	54.3%	55.6%	60.2%	76.4%	86.3%	87.1%	89.5%	88.7%	82.0%
2023	84.2%	84.1%	72.5%	64.8%	56.8%	68.1%	76.3%	82.8%	89.1%	80.0%	87.2%	83.3%
2024	77.3%	72.8%	70.0%	61.6%	64.0%	65.5%	80.3%	84.2%	84.6%	83.0%	86.8%	81.5%
2025	79.0%	79.3%	69.3%	71.7%	70.1%	65.5%	78.3%	80.7%	86.9%	86.8%	88.2%	78.2%
2026	80.8%	76.3%	71.1%	M	61.9%	61.8%	79.8%	81.9%	86.5%	M	M	M