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 (USW00093831) 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	0.00	0.00	0.00	0.00	0.00	0.00
2005	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2006	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2007	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2008	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.02
2009	0.56	0.64	2.74	3.50	1.51	2.97	1.10	2.80	0.31	1.34	0.93	9.55
2010	4.18	0.95	1.56	0.39	0.38	3.79	0.38	12.48	1.43	0.02	0.13	2.05
2011	0.51	1.57	1.54	1.11	0.00	2.45	5.70	6.05	3.83	2.17	1.15	0.11
2012	0.31	1.63	3.08	0.28	1.09	1.75	0.05	1.76	0.23	0.69	0.06	0.78
2013	0.52	4.06	0.85	1.94	0.14	2.33	0.98	3.33	0.45	0.28	1.87	0.60
2014	1.30	0.41	2.60	2.16	1.82	1.12	6.27	1.71	3.32	2.06	2.00	0.68
2015	1.00	3.53	1.75	3.26	1.35	1.66	2.00	2.48	4.37	1.14	1.68	2.55
2016	1.27	1.80	1.28	1.03	1.55	0.00	0.00	M	M	M	M	M
2017	M	M	M	M	M	M	0.00	M	M	M	M	M
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	M	M
2021	M	M	M	M	M	M	M	M	M	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	0.51	0.65	1.73	0.84
2025	1.03	0.35	1.03	0.70	5.59	1.75	M	M	M	M	M	M
NCEI Climatology	2.90	3.01	3.11	3.06	2.50	4.99	5.57	6.50	4.03	3.77	2.51	3.17

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	5.6	6.6	9.9	5.1	6.3	7.1
2005	7.7	7.3	8.0	7.5	6.4	5.0	3.6	3.9	6.7	7.0	6.2	7.3
2006	5.9	5.6	6.0	6.4	7.2	6.5	6.0	6.5	6.1	5.8	6.7	5.5
2007	6.5	6.7	6.0	7.6	7.3	6.1	5.4	3.8	7.4	6.7	6.4	5.2
2008	6.1	5.4	7.0	7.0	7.0	6.1	5.2	5.7	6.5	6.0	5.9	5.0
2009	5.2	5.0	6.2	5.8	5.3	5.2	6.4	4.6	6.1	5.9	5.9	7.2
2010	6.7	7.2	6.4	6.7	5.9	5.5	6.0	4.7	4.8	6.0	6.4	8.0
2011	6.9	7.4	8.0	7.3	7.0	6.9	6.2	5.7	5.0	6.7	6.7	5.9
2012	6.3	6.4	6.3	7.0	6.9	6.0	5.9	4.6	5.6	6.6	6.5	6.0
2013	6.6	6.0	7.6	6.7	7.1	6.5	5.7	5.0	6.0	4.9	8.5	6.2
2014	6.8	6.3	7.3	7.5	5.7	6.0	5.5	5.5	5.3	4.7	6.2	5.0
2015	6.9	7.4	6.6	6.5	6.1	5.9	6.0	4.9	5.7	6.2	6.2	5.5
2016	6.3	7.8	6.6	7.6	6.7	7.1	7.1	6.3	7.1	7.9	6.8	6.9
2017	7.6	7.6	8.2	7.1	7.7	6.8	6.4	7.1	6.7	7.9	6.8	7.3
2018	7.6	7.1	8.7	8.3	6.4	5.7	5.9	6.4	6.5	7.5	7.7	6.6
2019	6.9	7.0	7.7	7.5	7.0	6.2	6.3	6.1	7.6	6.7	7.8	8.1
2020	8.3	8.3	7.3	7.6	7.3	7.2	5.4	4.8	7.9	7.2	8.2	5.7
2021	6.2	6.8	8.0	7.1	7.8	7.3	4.7	3.2	3.3	5.1	10.1	6.8
2022	8.4	7.2	7.2	6.2	7.2	5.7	6.0	3.9	7.3	5.2	7.8	6.3
2023	4.9	6.4	7.8	7.7	8.1	7.2	5.5	5.4	7.0	6.0	7.6	7.1
2024	7.2	7.5	8.3	7.0	6.4	8.5	4.7	8.1	7.4	8.0	5.4	7.6
2025	5.8	5.3	6.5	7.2	5.7	5.9	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
2004	M	M	M	M	M	83.30	87.99	85.29	82.30	76.14	68.73	59.34
2005	58.75	61.11	64.17	71.31	77.39	83.53	88.93	87.71	85.73	75.34	69.66	57.83
2006	62.02	59.58	65.62	76.50	80.95	85.94	88.38	89.25	83.42	74.45	66.44	63.70
2007	61.26	60.75	69.39	73.64	78.68	84.92	87.44	89.72	83.48	77.46	66.86	64.81
2008	56.39	63.78	67.10	74.85	80.25	87.80	87.22	87.57	83.54	73.86	63.08	64.11
2009	57.78	59.45	65.85	72.44	79.61	90.98	87.16	87.45	82.82	75.66	68.12	60.10
2010	54.01	55.72	66.26	75.14	83.85	91.22	89.72	88.50	86.54	80.89	70.34	55.28
2011	56.62	65.24	68.87	77.30	81.35	88.58	88.67	89.54	83.06	74.79	69.56	64.17
2012	63.06	63.84	73.46	76.28	81.76	83.36	90.70	85.88	83.66	75.84	63.84	64.28
2013	63.41	60.80	61.40	71.78	77.12	84.68	84.61	85.25	83.06	76.13	66.14	63.88
2014	54.12	62.02	63.53	74.24	81.35	86.30	87.45	88.50	82.40	77.93	63.50	61.73
2015	57.49	55.27	67.65	75.32	80.95	88.22	89.43	86.06	82.46	74.39	70.34	69.34
2016	56.04	59.81	71.25	74.96	83.91	91.40	97.21	93.78	89.48	80.72	72.86	65.62
2017	67.13	70.89	67.77	76.82	81.99	84.08	87.63	86.99	84.38	79.96	67.88	59.23
2018	53.02	67.87	65.85	71.48	80.77	87.38	87.80	87.63	86.54	79.50	65.90	60.63
2019	59.52	66.33	67.07	73.40	83.97	87.20	89.60	87.39	85.46	79.44	71.78	62.95
2020	62.89	61.98	71.72	75.50	79.03	84.74	89.43	87.34	82.58	78.80	72.56	59.64
2021	59.41	60.16	69.10	74.24	80.60	85.16	87.16	87.45	84.44	78.16	66.08	69.34
2022	58.94	64.79	70.67	74.72	82.69	87.02	88.55	87.16	83.36	74.62	69.68	60.10
2023	63.41	69.86	70.15	74.90	77.41	83.78	89.25	89.08	83.66	76.07	66.92	62.25
2024	60.34	62.60	69.92	74.36	82.05	86.60	88.50	86.93	82.34	77.06	71.36	60.68
2025	53.31	64.40	68.35	76.16	82.40	85.33	M	M	M	M	M	M
NCEI Climatology	60.30	63.80	69.91	77.00	84.00	88.90	91.80	90.30	85.70	78.10	69.30	62.70

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	81.28	75.48	73.23	72.00	65.72	55.13	43.82
2005	45.00	45.17	47.66	55.27	62.42	73.70	76.86	77.06	73.80	62.26	54.63	44.02
2006	47.45	44.28	51.92	61.28	65.97	72.86	75.43	77.35	70.64	60.22	51.02	51.10
2007	47.68	44.41	52.96	55.82	63.88	72.98	75.26	77.93	72.92	66.95	50.78	50.41
2008	43.32	47.08	50.81	59.00	66.14	74.12	75.37	76.01	71.78	60.16	48.80	48.90
2009	42.10	41.64	50.64	56.78	67.54	72.68	73.98	74.15	70.88	61.21	51.02	44.14
2010	36.01	37.21	45.88	55.76	68.87	75.32	76.83	77.17	71.00	60.39	47.96	34.73
2011	35.95	46.53	51.74	60.20	67.54	72.62	76.71	76.25	69.62	57.55	51.50	47.62
2012	44.43	47.83	58.71	60.02	68.70	70.34	76.30	74.15	71.30	62.37	46.58	47.45
2013	48.32	43.96	44.37	58.34	64.46	73.70	74.97	74.79	71.06	61.03	51.02	48.03
2014	36.06	43.76	45.65	58.88	66.49	73.10	73.11	75.20	71.78	60.34	45.92	45.12
2015	42.05	38.56	52.55	61.82	67.13	74.00	75.90	75.03	71.54	62.08	57.68	56.27
2016	41.06	44.72	56.39	57.92	65.56	74.36	77.99	77.06	72.26	63.01	52.52	47.39
2017	48.84	49.74	52.61	62.72	67.94	73.88	75.43	75.90	72.38	64.11	52.10	45.59
2018	38.10	53.79	49.48	56.60	68.99	74.78	75.90	75.43	76.46	65.68	52.22	47.15
2019	43.96	51.54	51.68	59.18	72.12	73.22	76.30	76.01	74.30	67.07	49.04	48.78
2020	48.14	47.70	57.37	58.40	65.45	72.32	76.54	77.00	71.72	67.54	58.64	44.37
2021	44.60	44.99	53.66	57.08	65.85	74.60	75.72	76.42	70.58	64.11	47.18	52.44
2022	40.77	48.39	54.70	58.88	68.75	74.00	76.19	75.49	70.88	58.54	56.24	45.65
2023	46.86	52.89	54.53	60.08	64.81	71.36	76.36	76.30	70.40	61.44	51.92	48.03
2024	43.26	46.59	55.28	59.18	68.70	75.44	77.23	74.27	70.98	62.60	57.08	44.54
2025	35.43	47.30	51.63	62.12	69.34	73.17	M	M	M	M	M	M
NCEI Climatology	40.10	42.89	48.69	56.01	64.30	71.31	74.51	74.11	69.50	59.00	48.40	42.90

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	82.29	81.74	79.26	77.15	70.93	61.93	51.58
2005	51.87	53.14	55.92	63.29	69.90	78.61	82.90	82.39	79.77	68.80	62.14	50.93
2006	54.73	51.93	58.77	68.81	73.46	79.40	81.91	83.30	77.03	67.33	58.73	57.40
2007	54.47	52.58	61.18	64.73	71.28	78.95	81.38	83.82	78.20	72.21	58.82	57.61
2008	49.85	55.43	59.12	66.92	73.20	80.96	81.30	81.79	77.66	67.01	55.94	56.50
2009	49.94	50.55	58.25	64.61	73.57	81.83	80.57	80.80	76.85	68.44	59.57	52.12
2010	45.01	46.46	56.07	65.45	76.36	83.27	83.27	82.84	78.77	70.64	59.15	45.01
2011	46.28	55.88	60.31	68.75	74.45	80.60	82.69	82.89	76.34	66.17	60.53	55.89
2012	53.75	55.83	66.08	68.15	75.23	76.85	83.50	80.02	77.48	69.10	55.21	55.86
2013	55.86	52.38	53.06	65.06	70.79	79.19	79.79	80.02	77.06	68.58	58.58	55.95
2014	45.09	52.89	54.59	66.56	73.92	79.70	80.28	81.85	77.09	69.13	54.71	53.43
2015	49.77	46.91	60.10	68.57	74.04	81.11	82.66	80.54	77.00	68.23	64.01	62.80
2016	48.55	52.27	63.82	66.44	74.74	82.88	87.60	85.42	80.87	71.86	62.69	56.50
2017	57.98	60.32	60.19	69.77	74.97	78.98	81.53	81.44	78.38	72.04	59.99	52.41
2018	45.56	60.83	57.66	64.04	74.88	81.08	81.85	81.53	81.50	72.59	59.06	53.89
2019	51.74	58.94	59.38	66.29	78.05	80.21	82.95	81.70	79.88	73.25	60.41	55.86
2020	55.52	54.84	64.55	66.95	72.24	78.53	82.98	82.17	77.15	73.17	65.60	52.00
2021	52.00	52.57	61.38	65.66	73.23	79.88	81.44	81.94	77.51	71.14	56.63	60.89
2022	49.85	56.59	62.69	66.80	75.72	80.51	82.37	81.33	77.12	66.58	62.96	52.87
2023	55.14	61.38	62.34	67.49	71.11	77.57	82.81	82.69	77.03	68.75	59.42	55.14
2024	51.80	54.59	62.60	66.77	75.37	81.02	82.86	80.60	76.66	69.83	64.22	52.61
2025	44.37	55.85	59.99	69.14	75.87	79.25	M	M	M	M	M	M
NCEI Climatology	50.20	53.35	59.30	66.50	74.15	80.11	83.15	82.20	77.60	68.55	58.85	52.80

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	72.7%	81.0%	82.1%	83.8%	78.4%	74.0%
2005	74.9%	75.1%	71.6%	68.0%	77.9%	84.3%	82.3%	85.4%	79.4%	81.8%	79.2%	77.1%
2006	76.1%	72.6%	67.5%	70.8%	72.9%	75.2%	78.0%	80.8%	79.2%	76.4%	79.2%	82.4%
2007	76.1%	69.2%	74.1%	65.0%	76.5%	80.6%	78.4%	82.0%	82.0%	83.6%	71.8%	81.8%
2008	75.6%	74.6%	72.8%	75.8%	73.6%	77.8%	77.4%	81.0%	79.4%	76.7%	74.2%	79.3%
2009	74.7%	69.1%	78.7%	75.4%	85.2%	78.2%	79.1%	84.6%	79.5%	83.2%	82.4%	78.7%
2010	71.8%	71.9%	73.4%	77.3%	80.9%	79.6%	80.4%	86.7%	81.2%	74.0%	77.1%	67.3%
2011	74.0%	77.6%	76.1%	75.6%	73.6%	75.2%	78.0%	79.7%	81.9%	76.5%	78.2%	81.2%
2012	72.8%	77.9%	79.8%	71.7%	79.9%	76.6%	77.8%	84.9%	78.2%	78.5%	79.1%	85.3%
2013	84.2%	80.8%	72.4%	84.9%	74.2%	78.8%	81.2%	79.3%	77.5%	79.8%	74.4%	81.2%
2014	69.7%	81.2%	74.6%	75.9%	72.6%	77.4%	79.4%	80.7%	85.4%	77.8%	76.4%	86.4%
2015	73.7%	71.3%	81.8%	79.8%	76.2%	77.5%	79.9%	82.7%	84.3%	83.1%	82.9%	86.4%
2016	75.7%	72.8%	78.3%	71.1%	74.1%	76.3%	72.0%	74.6%	80.1%	76.0%	71.1%	79.1%
2017	75.9%	72.7%	66.6%	76.0%	70.7%	82.5%	82.7%	84.6%	80.5%	77.2%	79.1%	77.1%
2018	66.1%	83.3%	61.4%	70.0%	79.4%	79.2%	79.2%	80.0%	79.4%	74.8%	81.4%	83.6%
2019	73.3%	78.4%	67.7%	75.2%	75.1%	76.7%	73.7%	81.5%	78.8%	80.6%	76.2%	78.3%
2020	73.2%	77.3%	78.2%	68.4%	73.3%	76.7%	77.1%	79.9%	81.3%	80.9%	78.3%	77.8%
2021	77.3%	81.5%	75.0%	65.8%	68.4%	80.0%	80.6%	81.2%	76.1%	77.9%	72.2%	82.2%
2022	72.2%	77.0%	71.6%	72.0%	76.8%	74.9%	80.6%	81.4%	76.6%	76.2%	77.1%	73.3%
2023	75.6%	79.6%	72.0%	74.3%	75.0%	77.8%	79.1%	79.0%	75.4%	75.5%	74.9%	74.3%
2024	73.2%	70.5%	73.5%	70.2%	78.1%	73.4%	79.3%	80.6%	82.0%	72.4%	81.0%	76.6%
2025	65.8%	78.2%	69.1%	75.1%	76.9%	81.2%	M	M	M	M	M	M