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 (USW00013766) 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	0.00	1.42	1.32	3.14	7.05	2.97	7.22	0.91	0.97	1.49	1.73
2005	1.19	1.27	1.49	2.09	2.75	4.11	3.04	2.39	0.63	3.41	1.40	1.78
2006	1.66	0.78	1.11	2.66	4.06	2.94	2.67	3.42	3.82	1.89	3.63	0.86
2007	2.19	1.29	1.84	2.05	1.29	3.05	1.04	0.66	1.66	0.89	0.84	2.48
2008	2.06	3.43	1.15	4.52	1.72	1.77	3.70	2.29	3.66	0.83	3.75	0.64
2009	1.44	0.88	2.02	0.65	3.73	1.88	4.78	6.11	2.06	1.87	7.64	4.30
2010	3.97	2.06	3.05	0.77	2.42	1.51	2.29	2.26	6.43	0.78	0.74	1.18
2011	2.00	1.60	2.71	1.50	0.65	1.16	1.56	M	0.61	M	0.99	0.79
2012	1.49	1.39	1.29	2.40	2.16	0.35	3.31	5.84	2.32	0.41	0.00	3.24
2013	1.18	3.30	1.32	2.68	1.69	4.12	2.44	3.61	1.69	4.55	4.08	2.23
2014	2.80	1.73	3.00	4.35	3.02	3.11	5.73	3.11	3.88	0.50	3.43	4.01
2015	4.37	2.97	2.36	1.67	3.00	2.54	5.72	3.29	4.46	2.50	4.21	3.09
2016	3.14	3.21	1.25	1.53	4.92	3.86	1.62	2.47	6.17	8.38	0.56	1.95
2017	0.66	M	M	0.56	1.36	1.57	7.58	1.88	0.19	0.83	0.00	0.10
2018	1.64	1.06	3.71	2.44	2.01	0.90	2.28	0.25	0.74	0.41	0.33	M
2019	M	M	0.35	0.61	0.47	3.39	1.05	7.78	5.34	2.62	2.45	2.64
2020	1.71	4.33	2.44	2.91	4.61	5.48	2.40	5.87	2.52	0.58	M	0.03
2021	M	M	0.02	0.43	1.77	8.33	4.16	6.30	2.68	1.68	8.83	10.05
2022	M	0.46	0.76	1.32	16.70	1.25	3.53	2.89	4.77	0.50	2.43	1.76
2023	2.95	2.20	1.16	3.51	1.36	2.26	1.61	2.77	1.29	0.14	1.91	0.08
2024	0.03	0.52	8.05	0.81	1.05	2.39	5.48	53.59	28.15	135.20	209.58	0.74
2025	1.48	1.67	2.68	1.13	2.27	1.03	1.10	0.44	0.85	3.72	1.81	1.81
2026	2.01	1.42	1.54	1.03	1.64	2.35	1.63	0.93	0.47	0.40	M	M
NCEI Climatology	3.78	3.27	3.80	2.93	3.52	4.46	5.26	5.64	4.54	3.24	2.88	3.34

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	6.9	7.9	7.6	7.1	6.0	4.9	5.8	7.7	6.4	6.2	7.4
2005	8.1	7.4	8.4	9.2	7.4	6.0	5.2	4.5	7.6	7.5	6.4	7.0
2006	7.6	6.5	7.1	7.6	6.7	6.6	6.0	5.3	5.7	6.2	7.5	5.6
2007	7.1	7.1	7.6	8.0	7.4	6.6	5.6	5.4	6.7	5.1	6.7	7.0
2008	7.1	7.7	9.2	7.9	7.6	6.2	5.8	5.3	7.7	6.8	6.7	6.6
2009	7.1	7.6	7.5	6.5	4.9	2.4	3.8	5.2	6.7	6.8	7.1	7.2
2010	7.9	5.6	3.8	3.5	6.6	6.1	6.5	5.0	6.6	6.7	2.5	4.9
2011	6.7	7.4	8.0	8.5	6.3	6.6	6.2	M	5.1	M	7.2	6.6
2012	7.0	6.7	6.4	7.0	6.1	6.1	5.4	4.6	4.6	6.3	7.3	6.9
2013	5.7	7.5	7.1	7.0	6.9	7.5	5.7	5.3	5.1	5.3	6.8	5.7
2014	6.8	7.0	8.6	8.0	6.2	5.3	5.7	4.8	5.8	6.1	6.2	6.0
2015	6.7	8.2	7.1	5.9	6.2	5.7	5.3	4.2	6.1	6.2	5.7	4.8
2016	6.9	7.7	6.4	7.6	5.0	5.7	5.2	4.5	5.7	5.8	4.1	4.3
2017	4.0	M	M	3.6	3.9	3.3	2.6	1.7	3.9	2.6	2.9	4.1
2018	4.7	4.3	6.5	5.3	4.2	3.0	3.7	3.1	3.5	3.4	5.4	4.2
2019	4.5	4.4	4.9	5.1	1.7	0.4	2.9	2.1	3.2	4.4	4.5	1.3
2020	4.7	4.7	5.0	6.2	5.8	4.7	4.4	3.4	5.1	3.5	4.0	5.6
2021	4.9	6.5	5.8	5.7	5.0	4.3	4.4	3.4	4.2	4.9	5.8	4.7
2022	7.0	5.8	6.8	6.3	6.2	4.3	5.1	3.6	4.9	4.7	5.2	5.6
2023	4.6	5.9	6.3	6.2	6.4	4.4	4.0	4.5	5.0	4.1	4.3	0.0
2024	2.5	5.6	6.7	6.3	5.5	5.6	6.0	4.8	5.7	5.4	6.1	6.5
2025	6.7	6.9	7.2	7.3	6.7	5.1	5.2	5.9	6.9	7.8	5.9	6.4
2026	6.3	6.8	6.8	6.7	6.2	5.9	5.4	4.5	6.0	4.0	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	55.40	60.16	67.10	80.54	81.08	84.90	81.59	77.93	68.81	61.64	52.96
2005	50.93	47.94	52.09	65.78	69.34	81.26	87.86	87.73	82.77	72.30	65.84	53.02
2006	55.63	50.71	54.88	67.22	71.77	82.16	89.43	90.82	78.08	70.26	63.32	59.23
2007	56.68	49.55	63.03	72.44	73.28	82.88	85.30	88.09	81.92	78.28	62.78	59.70
2008	52.79	58.69	62.25	67.40	74.56	87.20	86.52	85.94	81.44	70.38	58.52	58.59
2009	49.69	53.80	57.17	71.12	78.21	84.52	84.41	86.49	77.78	71.20	62.24	53.31
2010	46.13	46.41	58.54	70.21	76.53	86.54	87.57	86.20	81.71	72.76	61.28	42.95
2011	45.55	57.08	63.59	78.19	79.26	85.72	87.66	M	75.81	M	56.48	61.90
2012	54.57	65.23	66.10	66.66	74.98	79.57	91.72	82.94	79.36	70.81	55.95	58.22
2013	72.00	72.00	49.42	64.80	86.82	81.23	87.81	85.11	89.06	89.06	89.06	89.06
2014	75.96	69.18	72.60	81.37	87.19	90.92	93.56	93.56	94.60	94.64	94.64	94.64
2015	94.64	92.68	74.38	79.34	83.45	94.95	97.46	96.80	96.80	96.80	96.80	96.80
2016	96.80	68.75	69.52	71.84	75.90	85.74	94.46	90.90	84.75	75.58	63.43	59.16
2017	70.24	M	M	81.50	86.64	85.10	85.60	81.80	77.14	72.83	61.89	51.59
2018	54.97	69.34	78.10	77.23	80.69	83.51	83.05	85.67	82.34	72.08	60.03	54.27
2019	49.79	56.32	56.76	69.71	79.54	83.04	87.38	83.62	79.84	80.83	70.20	69.46
2020	55.77	55.80	62.45	65.35	68.65	79.88	88.16	84.30	77.63	71.67	65.47	53.50
2021	48.53	49.63	60.80	65.86	72.10	80.40	85.16	85.21	79.53	72.76	59.63	60.96
2022	49.04	54.96	61.91	66.40	74.24	80.37	85.85	84.27	79.48	66.89	63.60	52.37
2023	56.65	58.40	59.15	68.95	68.99	76.49	86.40	84.40	78.93	70.39	61.03	56.20
2024	52.22	52.33	60.44	67.37	73.27	82.30	85.38	82.39	76.08	69.42	63.59	53.37
2025	43.93	51.51	61.19	70.46	75.92	84.46	86.17	80.28	75.68	72.80	61.55	51.36
2026	73.60	54.20	77.09	83.35	85.84	91.05	91.55	86.20	81.58	84.57	M	M
NCEI Climatology	50.70	52.58	58.59	67.91	74.81	82.20	85.80	84.20	79.31	71.39	61.40	54.90

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	40.10	45.99	51.32	65.79	70.10	73.86	71.31	69.80	59.41	49.70	40.88
2005	37.75	36.95	39.84	51.56	55.69	70.04	75.78	76.79	74.08	63.06	53.18	40.54
2006	42.22	37.85	42.68	53.24	58.54	70.04	76.88	79.09	68.48	59.29	52.76	45.65
2007	43.79	36.69	46.58	57.68	60.10	70.10	74.15	75.72	72.56	67.30	50.60	46.34
2008	40.42	43.11	48.66	54.98	59.87	73.34	74.68	75.37	73.22	58.71	48.02	44.72
2009	37.34	39.38	44.55	54.77	64.94	71.95	73.05	74.17	68.25	59.56	53.42	40.62
2010	33.75	33.71	45.13	53.73	63.53	73.76	74.14	74.35	70.22	59.60	49.32	31.85
2011	33.56	37.69	39.00	42.59	51.72	61.76	62.74	M	68.89	M	49.33	42.60
2012	40.64	30.23	49.80	51.48	63.17	67.30	60.52	72.90	68.17	59.03	45.60	44.82
2013	30.38	24.60	37.98	48.50	24.60	69.06	69.19	67.47	61.54	52.38	36.68	27.86
2014	18.29	17.60	17.60	17.60	17.60	17.60	17.60	17.60	17.60	17.60	17.60	17.60
2015	16.76	15.38	26.08	26.90	47.66	47.66	66.25	65.90	62.73	52.42	40.26	33.80
2016	25.06	31.33	45.58	46.15	59.65	62.43	68.67	75.65	71.81	61.89	48.25	40.66
2017	29.10	M	M	38.20	32.78	56.64	72.87	72.10	68.53	62.42	50.17	40.62
2018	19.36	22.11	13.10	17.52	43.68	69.03	71.91	74.92	73.73	61.15	48.76	44.02
2019	37.73	42.13	42.87	55.21	64.94	69.84	74.35	72.43	70.20	57.31	43.25	36.31
2020	43.38	42.89	48.94	50.42	57.32	68.25	75.53	74.02	69.72	62.05	53.74	41.13
2021	37.73	37.91	45.68	51.11	58.80	69.06	73.33	74.43	68.99	62.90	48.42	48.00
2022	35.59	39.95	47.83	52.29	61.42	68.84	74.30	73.42	69.95	57.25	53.21	41.62
2023	43.35	44.34	44.98	55.77	58.95	65.81	74.90	74.30	69.07	59.66	47.68	44.87
2024	39.40	41.31	46.37	53.01	61.49	70.25	74.03	72.26	68.89	59.67	53.31	42.30
2025	32.76	39.50	46.83	55.44	64.33	72.50	75.49	71.66	67.47	42.63	48.21	37.87
2026	19.80	21.84	29.15	19.40	19.40	53.54	68.08	75.68	71.44	66.07	M	M
NCEI Climatology	35.60	37.37	42.70	51.40	60.00	68.90	73.40	72.30	68.50	58.20	47.60	40.20

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	47.75	53.08	59.21	73.17	75.59	79.38	76.45	73.87	64.11	55.67	46.92
2005	44.34	42.45	45.96	58.67	62.51	75.65	81.82	82.26	78.43	67.68	59.51	46.78
2006	48.93	44.28	48.78	60.23	65.15	76.10	83.15	84.95	73.28	64.78	58.04	52.44
2007	50.23	43.12	54.81	65.06	66.69	76.49	79.73	81.91	77.24	72.79	56.69	53.02
2008	46.60	50.90	55.46	61.19	67.22	80.27	80.60	80.66	77.33	64.55	53.27	51.65
2009	43.51	46.59	50.86	62.95	71.57	78.23	78.73	80.33	73.01	65.38	57.83	46.96
2010	39.94	40.06	51.84	61.97	70.03	80.15	80.85	80.28	75.96	66.18	55.30	37.40
2011	39.56	47.38	51.30	60.39	65.49	73.74	75.20	M	72.35	M	52.90	52.25
2012	47.60	47.73	57.95	59.07	69.08	73.43	76.12	77.92	73.77	64.92	50.78	51.52
2013	51.19	48.30	43.70	56.65	55.71	75.15	78.50	76.29	75.30	70.72	62.87	58.46
2014	47.12	43.39	45.10	49.48	52.39	54.26	55.58	55.58	56.10	56.12	56.12	56.12
2015	55.70	54.03	50.23	53.12	65.56	71.30	81.85	81.35	79.76	74.61	68.53	65.30
2016	60.93	50.04	57.55	59.00	67.77	74.08	81.57	83.27	78.28	68.73	55.84	49.91
2017	49.67	M	M	59.85	59.71	70.87	79.23	76.95	72.84	67.62	56.03	46.10
2018	37.17	45.73	45.60	47.38	62.18	76.27	77.48	80.29	78.03	66.61	54.40	49.15
2019	43.76	49.23	49.82	62.46	72.24	76.44	80.86	78.02	75.02	69.07	56.73	52.89
2020	49.58	49.34	55.70	57.88	62.98	74.07	81.85	79.16	73.68	66.86	59.60	47.32
2021	43.13	43.77	53.24	58.49	65.45	74.73	79.25	79.82	74.26	67.83	54.03	54.48
2022	42.31	47.45	54.87	59.34	67.83	74.60	80.07	78.85	74.71	62.07	58.40	46.99
2023	50.00	51.37	52.06	62.36	63.97	71.15	80.65	79.35	74.00	65.03	54.35	50.54
2024	45.81	46.82	53.40	60.19	67.38	76.27	79.71	77.32	72.49	64.55	58.45	47.83
2025	38.34	45.50	54.01	62.95	70.13	78.48	80.83	75.97	71.58	57.71	54.88	44.61
2026	46.70	38.02	53.12	51.37	52.62	72.30	79.81	80.94	76.51	75.33	M	M
NCEI Climatology	43.15	44.97	50.65	59.65	67.40	75.55	79.60	78.25	73.91	64.80	54.50	47.55

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
2004	M	53.3%	66.5%	67.0%	71.7%	73.9%	78.6%	79.5%	80.0%	75.9%	73.9%	71.0%
2005	76.5%	79.0%	72.4%	67.7%	72.2%	77.6%	76.7%	72.9%	70.6%	73.8%	70.2%	70.3%
2006	68.8%	66.6%	65.7%	68.3%	71.5%	71.8%	71.1%	66.2%	73.8%	69.9%	76.7%	69.8%
2007	68.4%	60.0%	66.4%	63.4%	72.7%	71.8%	72.7%	72.5%	71.0%	73.6%	68.9%	75.8%
2008	71.8%	67.9%	58.7%	70.7%	63.1%	63.2%	75.5%	71.7%	76.5%	69.6%	71.2%	73.9%
2009	70.2%	58.0%	69.3%	62.3%	72.4%	69.6%	72.9%	79.7%	78.9%	77.3%	81.8%	74.7%
2010	69.8%	70.4%	71.9%	70.3%	77.6%	76.3%	61.1%	71.7%	63.1%	71.8%	72.3%	68.2%
2011	75.4%	71.5%	74.2%	72.5%	72.5%	67.5%	68.6%	M	82.3%	M	66.1%	70.3%
2012	66.9%	71.7%	74.9%	65.9%	77.8%	68.2%	74.7%	81.0%	71.9%	76.2%	74.2%	77.4%
2013	75.3%	70.4%	67.6%	76.0%	74.0%	77.4%	77.8%	78.3%	71.7%	78.1%	70.7%	79.4%
2014	68.6%	77.7%	73.7%	75.9%	71.4%	75.2%	76.9%	78.6%	79.0%	70.0%	73.0%	81.0%
2015	75.5%	68.2%	74.9%	72.9%	75.4%	73.7%	71.8%	72.8%	77.4%	74.6%	74.9%	82.4%
2016	68.0%	68.5%	71.7%	68.4%	77.2%	72.8%	74.0%	85.3%	88.3%	83.0%	77.4%	80.8%
2017	89.4%	M	M	76.2%	73.1%	76.0%	80.7%	82.2%	79.9%	78.9%	77.2%	72.0%
2018	74.6%	84.2%	69.3%	72.8%	81.5%	78.0%	82.1%	78.6%	82.2%	72.1%	77.4%	79.7%
2019	73.6%	77.2%	71.5%	72.7%	75.3%	72.0%	75.6%	80.4%	80.6%	78.4%	74.2%	78.4%
2020	75.8%	74.0%	77.6%	69.7%	78.7%	77.5%	75.5%	81.3%	80.3%	79.3%	77.4%	73.5%
2021	76.3%	82.4%	71.8%	67.8%	73.2%	81.4%	75.8%	82.5%	73.5%	78.0%	66.4%	78.8%
2022	73.3%	75.3%	71.2%	68.2%	81.9%	70.1%	81.3%	78.5%	71.8%	77.9%	74.9%	70.2%
2023	76.6%	75.5%	71.4%	72.2%	75.3%	81.2%	78.1%	76.7%	77.9%	74.7%	73.1%	76.1%
2024	74.2%	74.1%	74.4%	69.9%	82.1%	73.1%	81.1%	79.4%	83.2%	70.8%	73.8%	71.7%
2025	66.3%	76.2%	68.8%	70.5%	72.6%	78.1%	82.3%	77.7%	81.7%	65.2%	71.0%	76.0%
2026	72.1%	76.8%	78.1%	71.8%	77.4%	77.1%	81.8%	82.5%	77.3%	86.5%	M	M