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 (USW00003179) 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
2006	M	M	M	M	M	M	M	M	0.33	0.00	0.06	0.69
2007	0.15	0.37	0.04	0.33	0.00	0.00	0.00	0.00	0.30	0.34	1.62	0.43
2008	39.94	1.16	0.03	0.00	0.09	0.00	0.00	0.00	0.00	0.00	1.41	3.11
2009	0.06	2.81	0.07	0.08	0.11	0.00	0.00	0.00	0.00	0.19	0.10	1.47
2010	6.43	2.88	0.46	0.23	0.00	0.00	0.00	0.00	0.00	0.53	0.47	9.91
2011	0.53	1.89	1.52	0.17	0.20	0.40	0.60	0.00	0.47	14.98	0.23	0.00
2012	1.46	0.56	1.52	1.92	0.10	4.77	1.37	0.15	0.01	1.07	0.83	0.26
2013	0.55	1.59	0.74	0.00	0.13	0.00	0.03	0.21	0.00	0.78	0.20	0.40
2014	0.85	0.71	0.41	0.81	M	M	M	0.17	0.01	0.09	0.29	0.07
2015	0.01	M	0.01	0.74	0.59	0.01	1.17	M	1.60	0.36	0.27	0.69
2016	2.96	0.42	0.93	0.21	0.17	0.00	0.00	M	M	1.13	0.95	2.95
2017	7.64	2.44	0.18	0.09	0.16	M	0.01	0.03	0.00	0.00	0.00	0.00
2018	0.88	0.05	1.33	0.00	0.07	0.00	0.00	M	0.04	0.74	1.28	1.37
2019	2.43	4.44	1.42	0.00	0.03	M	0.00	0.00	M	M	0.00	0.00
2020	0.00	0.00	0.09	0.07	0.00	M	1.00	M	0.04	0.01	0.14	0.52
2021	0.60	0.02	0.71	0.00	0.00	0.00	0.04	0.00	0.01	0.16	0.00	2.51
2022	0.03	1.16	0.23	0.13	0.01	0.02	0.00	0.00	0.14	0.20	1.04	1.21
2023	2.64	1.17	0.80	0.02	0.44	0.00	0.00	0.30	0.00	0.00	0.05	0.07
2024	0.00	0.00	0.00	0.00	0.01	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2025	0.00	0.00	0.00	0.00	0.00	0.03	0.01	0.00	0.06	0.08	1.70	1.18
2026	0.73	1.78	0.02	0.50	0.18	0.00	M	M	M	M	M	M
NCEI Climatology	2.17	2.77	1.43	0.55	0.17	0.02	0.08	0.01	0.06	0.53	0.59	1.69

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	M	M	M	M	M	M	M	5.0	5.0	3.8	5.0
2007	7.5	5.4	6.2	5.8	6.8	7.1	7.2	6.2	5.3	5.8	4.2	5.1
2008	5.6	4.6	5.4	6.0	3.8	6.3	7.1	6.7	5.2	5.2	5.2	4.1
2009	7.1	4.2	5.1	5.8	6.6	6.6	7.0	5.8	5.3	4.5	4.7	3.4
2010	4.0	3.8	5.5	6.3	6.4	6.9	7.1	6.4	5.2	4.2	7.2	4.8
2011	5.5	5.5	4.3	5.8	6.6	6.3	5.6	6.0	5.3	4.0	3.8	4.7
2012	5.1	5.0	3.0	3.6	5.9	2.4	4.4	5.2	3.4	1.2	3.6	3.5
2013	5.4	4.7	5.1	6.0	6.5	2.5	2.0	6.2	5.3	4.7	3.9	4.5
2014	4.4	3.5	5.6	6.3	5.9	5.4	2.2	5.9	4.8	2.9	3.3	2.0
2015	3.2	2.7	4.0	4.9	4.7	5.6	5.5	5.6	3.9	4.2	4.7	4.1
2016	4.0	6.6	4.9	5.5	6.5	6.8	6.9	6.3	5.3	4.3	3.6	5.3
2017	4.7	3.6	5.0	5.6	6.2	6.6	6.6	6.2	5.4	4.9	3.0	5.6
2018	4.3	4.6	4.8	6.0	6.2	6.7	7.0	6.1	5.5	4.9	5.2	3.8
2019	4.7	4.1	5.4	5.6	5.6	6.4	6.6	5.9	4.9	5.1	3.2	3.5
2020	4.1	5.6	4.7	4.6	6.0	6.5	4.8	5.9	4.2	3.9	3.6	4.6
2021	5.3	4.9	4.8	5.6	6.3	6.7	7.0	6.0	5.2	4.1	4.4	3.0
2022	5.0	7.1	5.4	5.9	6.2	6.7	7.2	6.8	5.2	4.2	5.2	2.4
2023	5.3	5.3	4.5	5.5	6.2	6.4	6.5	5.8	4.9	4.8	4.7	3.5
2024	3.7	4.0	5.1	5.3	6.2	6.6	6.9	6.0	5.1	4.1	4.2	3.5
2025	6.8	4.0	5.0	5.2	5.9	6.6	6.7	5.9	5.3	3.8	3.4	M
2026	6.4	3.8	4.6	5.5	6.2	6.9	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
2006	M	M	M	M	M	M	M	M	86.50	78.46	76.04	68.15
2007	67.26	70.00	75.83	73.51	78.66	84.38	89.46	91.99	86.44	81.00	74.11	65.48
2008	63.99	67.71	74.44	77.69	77.17	88.16	88.77	90.46	89.42	87.68	78.46	63.77
2009	72.69	66.16	70.64	74.53	80.45	78.90	91.51	90.95	92.44	80.00	77.30	65.74
2010	69.12	66.89	71.63	69.97	75.92	80.83	84.17	88.35	88.47	77.00	71.94	66.87
2011	70.65	65.32	70.93	74.02	76.61	79.68	87.57	89.85	86.56	81.89	70.21	67.19
2012	69.69	69.47	70.06	75.61	80.03	82.24	87.38	93.32	93.10	83.03	74.38	65.60
2013	71.68	67.85	73.86	75.40	81.17	83.78	87.58	89.39	89.65	79.60	74.59	71.26
2014	76.44	72.56	75.28	78.61	84.02	84.75	90.19	89.90	91.99	85.88	77.48	66.57
2015	71.99	75.31	81.07	77.57	74.24	86.80	86.64	92.12	91.66	83.33	74.21	67.61
2016	66.50	80.64	74.26	78.54	76.52	87.94	92.09	91.22	88.34	81.95	78.77	66.11
2017	63.24	65.54	77.03	78.98	78.45	86.45	91.80	90.90	87.51	87.19	78.23	75.65
2018	74.52	71.44	70.55	78.20	75.97	85.20	95.55	92.58	88.78	81.94	76.81	64.95
2019	71.77	60.68	68.53	75.26	71.98	81.23	88.91	90.95	88.37	83.45	77.23	65.45
2020	68.93	72.17	66.46	73.40	82.27	83.73	90.51	93.56	93.50	87.04	76.30	72.39
2021	71.15	70.54	69.90	77.23	77.74	86.13	91.35	90.71	88.60	80.61	79.30	63.13
2022	70.29	73.29	76.06	78.73	79.13	89.20	89.71	93.71	92.80	82.19	71.37	65.65
2023	61.90	64.71	62.00	75.92	73.00	77.20	92.71	91.55	83.40	84.71	77.96	71.52
2024	67.48	63.90	67.06	73.37	74.61	85.20	92.81	94.11	83.44	86.13	74.50	72.19
2025	69.58	73.68	69.32	73.87	80.45	85.87	87.65	92.97	89.17	82.68	76.00	73.74
2026	72.87	74.79	84.62	77.40	79.10	85.58	M	M	M	M	M	M
NCEI Climatology	69.50	69.83	72.49	77.00	81.10	87.61	93.71	96.30	92.70	84.51	76.30	68.70

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	M	M	M	M	M	M	M	48.87	47.38	41.96	38.66
2007	35.57	42.68	42.17	45.06	48.26	51.50	58.12	59.18	52.19	47.95	42.40	35.90
2008	39.46	38.58	38.87	43.71	47.09	52.48	58.95	58.94	53.64	46.18	46.21	38.51
2009	44.91	38.50	38.56	40.83	52.08	53.98	58.78	54.14	54.73	44.75	39.45	36.48
2010	37.96	40.43	40.36	41.80	44.63	53.12	57.14	53.27	50.30	51.20	38.98	39.55
2011	39.23	35.89	40.90	45.93	45.03	51.98	58.20	56.98	55.78	46.27	40.08	31.98
2012	38.71	38.53	40.38	44.70	49.35	52.13	57.30	63.66	57.59	50.08	42.04	56.00
2013	41.46	33.78	41.56	45.11	50.86	55.95	59.78	56.40	54.22	42.56	40.80	34.62
2014	38.89	39.61	45.68	46.35	50.61	54.39	60.68	59.78	59.28	49.12	42.95	42.71
2015	41.32	41.21	43.24	43.05	50.19	57.76	61.51	60.62	59.98	54.15	38.57	33.25
2016	39.48	45.98	42.81	45.52	51.11	56.73	59.91	58.78	54.73	50.64	41.63	41.16
2017	42.23	44.20	42.81	44.41	49.47	55.80	61.55	61.95	57.27	50.56	44.35	36.90
2018	42.06	36.97	43.10	44.55	50.92	53.75	63.33	61.32	54.95	51.43	43.13	40.95
2019	50.49	42.46	47.20	50.57	51.24	58.65	61.39	60.29	58.82	48.35	41.38	40.94
2020	39.32	40.24	45.37	51.50	54.16	56.92	59.28	62.23	56.98	52.03	40.84	37.90
2021	39.81	41.11	40.28	46.59	52.23	57.03	63.68	61.71	57.57	47.35	45.63	37.45
2022	43.35	40.54	43.68	49.30	51.39	58.73	61.61	64.39	63.80	54.48	41.80	39.90
2023	40.74	38.00	42.77	48.38	53.55	54.67	61.06	61.61	58.73	51.19	43.79	43.07
2024	39.58	45.72	44.84	46.47	52.16	57.63	62.35	59.55	54.06	50.30	37.89	38.32
2025	37.58	43.75	44.06	46.57	53.13	56.57	57.00	60.16	60.40	48.97	46.03	42.19
2026	43.52	43.14	47.93	47.13	50.55	55.04	M	M	M	M	M	M
NCEI Climatology	41.70	42.95	45.80	48.71	54.30	58.49	62.90	63.20	60.41	53.30	45.11	40.41

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	M	M	M	M	M	M	M	67.68	62.92	59.00	53.40
2007	51.41	54.62	59.00	59.29	63.46	67.94	73.79	75.59	69.32	64.47	58.26	50.69
2008	51.72	53.15	56.65	60.70	62.13	70.32	73.86	74.70	71.53	66.93	62.34	51.14
2009	58.80	52.33	54.60	57.68	66.26	66.44	75.14	72.55	73.58	62.38	58.38	51.11
2010	53.54	53.66	55.99	55.89	60.28	66.97	70.65	70.81	69.38	64.10	55.46	53.21
2011	54.94	50.61	55.91	59.97	60.82	65.83	72.88	73.42	71.17	64.08	55.15	49.59
2012	54.20	54.00	55.22	60.16	64.69	67.18	72.34	78.49	75.35	66.55	58.21	60.80
2013	56.57	50.82	57.71	60.26	66.01	69.87	73.68	72.89	71.93	61.08	57.70	52.94
2014	57.66	56.08	60.48	62.48	67.31	69.57	75.44	74.84	75.63	67.50	60.22	54.64
2015	56.66	58.26	62.16	60.31	62.22	72.28	74.08	76.37	75.82	68.74	56.39	50.43
2016	52.99	63.31	58.54	62.03	63.82	72.33	76.00	75.00	71.53	66.30	60.20	53.64
2017	52.73	54.87	59.92	61.70	63.96	71.13	76.67	76.42	72.39	68.87	61.29	56.27
2018	58.29	54.21	56.83	61.37	63.44	69.48	79.44	76.95	71.86	66.68	59.97	52.95
2019	61.13	51.57	57.87	62.91	61.61	69.94	75.15	75.62	73.59	65.90	59.30	53.19
2020	54.09	56.21	55.91	62.45	68.22	70.32	74.89	77.90	75.24	69.53	58.57	55.15
2021	55.48	55.82	55.09	61.91	64.98	71.58	77.52	76.21	73.08	63.98	62.47	50.29
2022	56.82	56.91	59.87	64.02	65.26	73.97	75.66	79.05	78.30	68.34	56.58	52.77
2023	51.32	51.36	52.38	62.15	63.27	65.93	76.89	76.58	71.07	67.95	60.88	57.30
2024	53.53	54.81	55.95	59.92	63.39	71.42	77.58	76.95	68.75	68.22	56.20	55.26
2025	53.58	58.71	56.69	60.22	66.79	71.22	72.32	76.56	74.78	65.82	61.02	57.97
2026	58.28	58.96	66.17	62.27	64.82	70.31	M	M	M	M	M	M
NCEI Climatology	55.60	56.39	59.15	62.85	67.70	73.05	78.30	79.75	76.55	68.91	60.70	54.55

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
2006	M	M	M	M	M	M	M	M	64.6%	61.7%	61.6%	59.8%
2007	45.4%	57.7%	56.7%	65.9%	63.4%	64.7%	64.9%	60.5%	61.8%	57.6%	66.4%	59.7%
2008	63.2%	69.5%	58.3%	56.8%	62.3%	61.3%	65.4%	65.3%	65.5%	49.3%	59.0%	70.3%
2009	47.1%	71.6%	67.0%	61.1%	70.0%	68.6%	60.5%	59.8%	61.5%	60.7%	56.9%	60.6%
2010	68.0%	78.3%	65.8%	73.1%	68.7%	74.6%	69.7%	61.0%	59.9%	72.6%	53.3%	76.8%
2011	54.9%	62.2%	73.3%	64.9%	62.0%	67.7%	61.6%	62.7%	68.2%	66.6%	67.9%	56.5%
2012	56.6%	59.0%	64.4%	63.5%	66.9%	63.7%	62.4%	55.5%	54.9%	63.2%	69.2%	94.6%
2013	49.6%	60.1%	69.4%	63.0%	62.2%	66.4%	66.1%	62.5%	57.7%	63.0%	61.6%	51.5%
2014	54.1%	66.6%	62.9%	56.2%	54.3%	65.6%	60.6%	62.5%	58.8%	63.4%	52.5%	73.7%
2015	59.1%	67.6%	57.1%	55.0%	68.4%	64.1%	67.8%	61.2%	62.9%	65.8%	49.1%	54.6%
2016	68.1%	45.0%	68.2%	57.9%	69.4%	63.8%	61.0%	63.5%	60.7%	63.6%	58.1%	64.2%
2017	71.4%	77.8%	61.6%	59.5%	63.9%	63.9%	63.9%	66.3%	61.7%	52.0%	64.3%	40.0%
2018	56.4%	52.0%	63.6%	58.3%	66.7%	64.7%	59.7%	62.6%	66.8%	62.0%	52.3%	72.4%
2019	49.9%	74.3%	67.5%	66.6%	73.0%	71.9%	65.6%	65.4%	66.2%	49.9%	62.9%	72.3%
2020	67.3%	54.1%	71.7%	73.6%	67.8%	65.1%	62.7%	62.9%	60.6%	61.2%	61.4%	47.4%
2021	52.9%	56.5%	62.2%	62.7%	68.3%	65.1%	63.7%	62.2%	64.3%	59.8%	59.1%	78.5%
2022	48.8%	41.0%	55.2%	57.8%	64.4%	61.7%	64.1%	58.3%	62.1%	71.1%	53.9%	72.4%
2023	71.0%	57.6%	77.1%	71.5%	75.8%	71.5%	61.5%	65.2%	72.3%	62.5%	50.1%	61.9%
2024	68.0%	76.4%	73.5%	69.6%	74.0%	68.7%	64.6%	62.6%	71.5%	63.9%	53.1%	62.9%
2025	45.9%	64.4%	69.2%	64.9%	67.2%	67.6%	66.6%	61.7%	66.1%	68.4%	75.3%	69.4%
2026	56.2%	64.5%	60.4%	61.9%	67.5%	68.4%	M	M	M	M	M	M