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 (USW00003757) 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	0.00	2.15	11.03	5.59	4.43	1.57
2007	4.76	2.12	2.61	3.95	1.70	2.89	1.20	2.38	0.98	5.32	1.19	4.01
2008	1.58	2.52	2.38	3.05	5.32	9.63	5.18	3.34	4.73	1.57	3.60	3.94
2009	1.54	0.26	3.24	3.14	4.09	4.98	5.70	8.07	4.54	7.12	7.54	6.93
2010	2.46	3.58	5.35	2.49	1.71	2.40	1.70	4.17	14.26	3.72	1.18	2.10
2011	1.73	1.45	3.27	3.34	2.30	4.68	3.15	4.00	3.30	2.49	3.19	2.38
2012	1.53	2.93	1.48	4.17	1.97	2.57	3.38	6.00	3.74	8.36	0.55	2.90
2013	3.74	2.14	3.97	3.45	2.10	5.27	7.61	4.20	1.63	6.42	2.91	5.17
2014	2.43	3.64	3.03	10.76	3.99	2.56	4.25	4.56	2.87	3.41	2.59	2.83
2015	4.03	2.82	3.06	3.53	2.75	7.33	2.71	1.30	3.11	3.11	4.22	4.00
2016	2.99	4.37	1.29	1.79	8.15	1.59	7.73	2.11	6.53	4.05	0.74	2.84
2017	3.07	0.51	3.67	2.24	6.98	2.20	6.28	3.37	1.60	2.98	1.55	0.78
2018	2.31	2.28	2.39	2.37	6.59	1.04	0.09	3.28	3.27	6.91	6.71	4.24
2019	1.72	4.37	3.14	3.62	4.17	3.80	3.25	1.08	0.51	4.41	1.47	4.19
2020	2.14	2.93	2.87	3.71	1.97	1.92	4.88	8.61	3.79	5.44	5.95	6.50
2021	3.13	4.56	4.57	2.45	2.94	7.43	5.48	6.92	2.79	2.97	0.51	1.04
2022	1.09	1.14	4.15	1.65	6.43	4.26	4.64	1.61	3.45	4.69	2.46	4.49
2023	1.76	1.52	1.05	6.84	1.45	2.29	4.49	1.17	2.91	0.76	1.54	6.58
2024	3.71	0.62	5.50	0.55	2.18	1.77	4.06	1.41	1.92	0.17	1.70	1.77
2025	1.85	4.07	4.95	3.11	6.65	1.38	5.74	1.44	1.60	1.38	1.50	2.23
2026	1.43	2.45	0.98	0.51	2.14	2.77	3.37	4.53	0.59	M	M	M
NCEI Climatology	3.26	2.90	3.90	3.97	3.92	4.04	4.85	4.56	4.34	4.22	3.13	3.32

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	4.7	4.8	6.2	5.6	5.5
2007	7.5	7.5	7.5	7.3	6.0	5.3	5.1	4.2	4.7	5.6	5.9	5.9
2008	6.5	7.1	8.3	6.8	7.1	4.9	4.5	4.2	5.4	5.5	6.6	7.4
2009	5.8	8.0	6.0	7.2	5.9	5.2	5.3	4.0	1.5	4.1	5.9	6.9
2010	5.5	7.9	6.5	5.9	6.3	5.4	5.2	4.7	5.9	6.3	6.2	8.6
2011	6.9	8.2	7.4	8.8	6.7	6.0	5.0	4.9	4.7	6.2	6.4	5.6
2012	6.8	6.1	6.2	6.2	5.5	5.2	5.2	5.1	4.6	6.5	5.6	6.3
2013	5.6	6.7	7.6	6.6	7.4	6.1	5.8	4.9	4.3	5.2	6.7	5.7
2014	7.1	6.6	8.1	7.3	5.8	5.5	6.2	4.3	4.8	6.9	7.5	5.6
2015	6.9	7.3	6.0	7.0	6.7	6.2	4.8	4.7	5.9	5.7	5.3	5.3
2016	7.2	7.4	7.3	7.9	5.0	6.2	5.2	5.5	6.2	6.0	5.5	6.4
2017	7.2	6.3	8.9	7.7	7.6	6.7	5.7	5.0	4.7	6.0	5.4	5.4
2018	6.2	6.4	8.1	8.2	6.5	5.4	5.7	5.5	6.3	6.0	6.9	5.1
2019	5.7	5.5	7.2	7.1	6.4	6.9	5.6	5.2	5.4	5.7	6.3	5.1
2020	6.1	6.3	7.2	7.9	7.7	6.4	5.2	5.8	5.0	4.7	5.9	7.1
2021	5.7	6.5	7.0	7.2	5.7	6.2	5.7	4.3	5.5	6.2	5.4	5.2
2022	7.3	6.9	7.8	7.5	6.4	5.6	5.8	5.0	5.7	4.8	5.8	5.4
2023	5.8	6.6	7.2	6.8	6.2	6.0	4.9	5.2	4.9	4.4	4.8	4.6
2024	7.2	5.6	7.0	7.0	5.2	6.8	5.9	5.4	6.1	4.1	5.6	6.3
2025	6.5	6.2	7.6	7.6	6.6	5.3	5.2	4.6	4.4	6.0	6.1	6.8
2026	5.9	6.3	7.4	6.8	6.6	6.3	5.5	5.1	3.8	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	92.00	86.35	74.41	65.95	58.55	52.82
2007	48.70	38.68	56.77	61.97	74.55	82.20	85.77	86.65	81.37	74.89	56.15	48.25
2008	46.54	45.97	56.71	65.01	72.21	84.21	85.00	81.92	78.34	66.80	53.68	50.39
2009	40.32	50.52	56.03	70.07	79.87	84.89	87.42	86.06	76.70	67.16	59.43	45.87
2010	43.16	46.32	60.39	71.43	77.48	87.23	90.06	86.30	82.37	69.29	58.53	39.68
2011	39.00	51.50	54.48	68.50	75.87	84.20	87.52	84.50	78.20	67.26	61.80	56.65
2012	54.06	55.14	67.77	70.00	81.19	86.87	90.23	84.31	2.48	M	M	M
2013	48.90	45.18	50.00	67.00	74.87	81.86	85.71	81.09	77.53	69.65	55.80	50.35
2014	41.48	44.50	51.19	64.80	75.77	82.70	84.61	81.87	78.83	70.58	55.00	49.61
2015	41.94	37.39	51.62	66.73	78.65	83.04	85.18	84.74	81.50	67.58	63.17	60.19
2016	45.03	48.17	61.77	65.43	70.03	83.07	89.32	88.26	80.77	71.90	60.97	49.81
2017	47.97	56.79	55.42	72.10	72.90	84.60	87.81	82.94	79.10	73.42	58.83	46.32
2018	43.42	54.21	50.06	63.53	80.23	83.47	85.90	86.97	81.89	69.91	55.23	50.16
2019	45.59	51.25	53.23	68.40	81.03	87.20	92.87	90.13	87.43	75.48	57.73	53.52
2020	52.90	54.29	62.45	67.17	73.74	85.57	91.97	87.13	79.53	72.99	66.93	51.94
2021	47.68	45.66	62.40	69.77	77.68	86.57	88.72	88.84	83.67	76.97	59.90	58.42
2022	46.27	54.36	61.36	67.00	76.00	85.47	89.03	87.42	81.27	68.48	63.88	49.45
2023	52.90	54.57	56.74	70.17	71.23	79.57	86.84	83.94	79.37	71.77	57.70	52.78
2024	47.52	50.10	58.43	67.00	74.84	85.96	86.52	83.65	77.53	71.71	61.97	48.84
2025	39.76	46.73	60.58	68.67	74.19	84.67	87.23	79.99	78.48	68.39	58.13	45.26
2026	43.56	45.08	60.52	70.70	74.19	84.91	87.06	85.81	85.14	M	M	M
NCEI Climatology	45.60	48.40	55.70	67.01	75.21	84.50	87.20	85.00	79.41	69.10	58.49	49.70

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	73.00	68.76	58.91	48.46	43.01	34.67
2007	33.74	24.33	36.85	43.33	56.06	65.39	66.82	69.36	61.43	57.61	40.31	34.31
2008	34.01	28.94	38.07	47.97	53.26	65.41	69.21	65.63	62.81	48.46	39.69	34.20
2009	25.19	29.70	36.07	48.50	60.55	67.96	68.68	70.26	60.93	50.52	44.63	31.90
2010	27.81	28.50	41.32	48.40	58.58	68.53	70.87	70.58	62.87	51.35	40.40	17.26
2011	20.49	29.75	37.32	49.30	58.48	66.20	70.74	66.50	63.83	49.06	42.87	37.06
2012	34.23	35.86	47.84	47.90	61.77	65.87	73.10	69.92	1.94	M	M	M
2013	32.00	30.46	33.61	46.83	57.16	66.82	72.00	65.90	57.63	51.97	38.57	33.94
2014	22.35	28.96	31.90	44.77	57.32	65.50	68.23	64.87	61.67	52.32	37.60	35.45
2015	27.45	19.89	32.58	45.70	60.74	68.28	71.41	66.13	64.30	48.68	43.47	44.22
2016	28.99	31.93	42.23	45.57	55.77	66.03	73.45	71.87	66.37	53.10	40.33	32.23
2017	34.65	35.79	37.39	53.30	56.58	66.33	72.13	67.32	61.33	54.45	40.60	30.16
2018	25.61	37.04	33.77	43.10	62.58	66.87	69.65	72.23	70.03	46.23	39.80	35.16
2019	31.99	35.11	35.32	49.93	62.81	69.83	75.35	72.71	67.40	58.71	40.60	35.90
2020	37.09	38.29	46.19	48.37	57.87	69.53	76.48	75.37	64.71	56.94	48.24	38.30
2021	34.24	34.72	43.09	49.83	57.32	70.58	69.69	74.99	66.64	61.06	41.96	41.73
2022	30.58	35.35	42.99	48.57	61.32	68.77	74.54	72.39	63.81	50.32	46.14	32.16
2023	37.19	36.73	38.44	50.20	54.74	62.89	72.06	69.10	62.95	52.45	39.20	37.06
2024	33.61	34.38	41.92	50.67	60.36	68.43	73.55	67.77	64.11	49.67	45.31	33.58
2025	25.74	32.21	42.16	50.50	60.14	70.13	73.56	64.71	61.34	50.06	39.40	28.84
2026	28.20	29.58	41.83	49.27	56.65	66.10	71.13	70.94	68.86	M	M	M
NCEI Climatology	30.10	31.47	37.20	46.80	56.69	66.11	71.21	68.00	61.91	51.20	41.41	33.29

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	82.50	77.56	66.66	57.20	50.78	43.75
2007	41.22	31.50	46.81	52.65	65.31	73.80	76.30	78.00	71.40	66.25	48.23	41.28
2008	40.27	37.45	47.39	56.49	62.73	74.81	77.11	73.77	70.57	57.63	46.68	42.29
2009	32.76	40.11	46.05	59.28	70.21	76.43	78.05	78.16	68.82	58.84	52.03	38.89
2010	35.49	37.41	50.85	59.92	68.03	77.88	80.47	78.44	72.62	60.32	49.47	28.47
2011	29.74	40.63	45.90	58.90	67.18	75.20	79.13	75.50	71.02	58.16	52.33	46.86
2012	44.15	45.50	57.81	58.95	71.48	76.37	81.66	77.12	2.21	M	M	M
2013	40.45	37.82	41.81	56.92	66.02	74.34	78.85	73.50	67.58	60.81	47.18	42.15
2014	31.92	36.73	41.55	54.78	66.55	74.10	76.42	73.37	70.25	61.45	46.30	42.53
2015	34.69	28.64	42.10	56.22	69.69	75.66	78.30	75.44	72.90	58.13	53.32	52.21
2016	37.01	40.05	52.00	55.50	62.90	74.55	81.39	80.06	73.57	62.50	50.65	41.02
2017	41.31	46.29	46.40	62.70	64.74	75.47	79.97	75.13	70.22	63.94	49.72	38.24
2018	34.52	45.62	41.92	53.32	71.40	75.17	77.77	79.60	75.96	58.07	47.52	42.66
2019	38.79	43.18	44.27	59.17	71.92	78.52	84.11	81.42	77.42	67.10	49.17	44.71
2020	45.00	46.29	54.32	57.77	65.80	77.55	84.23	81.25	72.12	64.96	57.59	45.12
2021	40.96	40.19	52.75	59.80	67.50	78.57	79.21	81.92	75.15	69.02	50.93	50.08
2022	38.43	44.86	52.18	57.78	68.66	77.12	81.78	79.91	72.54	59.40	55.01	40.81
2023	45.05	45.65	47.59	60.18	62.98	71.23	79.45	76.52	71.16	62.11	48.45	44.92
2024	40.56	42.24	50.17	58.83	67.60	77.20	80.04	75.71	70.82	60.69	53.64	41.21
2025	32.75	39.47	51.37	59.58	67.17	77.40	80.39	72.35	69.91	59.23	48.77	37.05
2026	35.88	37.33	51.17	59.98	65.42	75.50	79.10	78.37	77.00	M	M	M
NCEI Climatology	37.85	39.93	46.45	56.90	65.95	75.31	79.20	76.50	70.66	60.15	49.95	41.50

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	71.7%	77.1%	73.0%	75.5%	69.4%
2007	65.7%	57.4%	59.1%	62.8%	64.1%	67.8%	64.5%	69.2%	66.0%	70.1%	63.5%	72.6%
2008	57.0%	68.7%	57.0%	69.1%	65.1%	69.0%	69.1%	68.9%	71.1%	64.9%	65.3%	64.9%
2009	58.8%	50.8%	62.9%	55.0%	63.1%	64.3%	66.3%	77.8%	75.5%	76.5%	77.6%	69.0%
2010	67.1%	62.1%	63.1%	61.7%	69.1%	70.7%	68.1%	74.1%	67.7%	68.6%	67.4%	61.4%
2011	65.9%	60.7%	65.2%	68.3%	75.1%	69.0%	73.5%	75.5%	82.2%	72.6%	73.5%	62.8%
2012	58.0%	60.7%	63.3%	54.1%	66.7%	59.3%	69.4%	74.4%	100.0%	M	M	M
2013	40.4%	65.7%	60.5%	63.1%	67.2%	73.0%	75.9%	74.9%	71.3%	73.6%	61.7%	72.5%
2014	63.0%	64.2%	61.7%	64.2%	68.1%	69.1%	67.7%	71.7%	71.0%	64.0%	57.8%	67.9%
2015	61.5%	56.3%	62.2%	63.7%	68.7%	75.1%	73.2%	73.4%	74.3%	78.0%	76.1%	81.9%
2016	65.3%	67.8%	65.7%	62.5%	79.6%	69.5%	73.4%	74.6%	77.4%	74.6%	68.4%	68.4%
2017	72.3%	62.9%	58.4%	69.6%	66.8%	70.8%	77.4%	78.9%	78.9%	77.4%	74.0%	65.9%
2018	70.3%	73.1%	62.1%	64.8%	77.1%	77.9%	76.7%	77.4%	83.4%	73.9%	73.2%	77.2%
2019	68.5%	66.5%	66.6%	72.8%	71.8%	66.0%	65.0%	66.9%	64.3%	65.5%	59.3%	70.2%
2020	61.8%	61.3%	63.0%	60.1%	63.3%	64.9%	73.4%	80.4%	74.9%	75.6%	66.8%	64.9%
2021	65.3%	69.6%	55.6%	55.4%	58.5%	66.4%	68.0%	72.0%	66.7%	67.9%	56.8%	62.1%
2022	60.3%	63.4%	56.1%	58.5%	69.2%	61.8%	71.5%	70.8%	67.1%	70.1%	62.9%	68.6%
2023	71.4%	64.7%	63.1%	66.4%	70.3%	74.3%	79.9%	78.8%	80.0%	76.7%	71.1%	78.8%
2024	72.4%	70.8%	69.1%	69.2%	80.4%	70.2%	80.7%	79.9%	80.6%	68.8%	73.1%	74.0%
2025	68.4%	73.5%	68.3%	73.8%	77.9%	79.6%	81.3%	77.4%	81.2%	71.7%	65.8%	66.2%
2026	63.7%	67.9%	69.0%	65.4%	67.3%	65.4%	75.0%	79.2%	81.3%	M	M	M