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 (USC00129240) 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
2003	M	M	M	M	0.01	0.96	4.56	2.60	1.29	0.00	1.23	0.27
2004	0.00	0.04	0.00	0.00	2.52	1.33	2.00	1.28	0.24	0.00	3.17	1.36
2005	3.15	2.04	0.87	4.91	2.28	1.99	2.06	1.07	2.04	1.02	1.51	0.82
2006	1.96	0.86	2.31	1.57	4.64	1.29	2.43	3.85	1.21	2.71	2.25	3.01
2007	2.37	0.51	1.51	2.54	0.83	1.89	1.97	5.86	0.71	2.37	2.15	2.58
2008	3.75	3.14	2.01	1.55	3.26	4.32	1.86	1.09	3.91	1.75	0.89	1.54
2009	0.26	2.32	5.79	3.42	3.28	2.37	1.63	4.44	0.66	0.00	0.40	1.54
2010	0.36	0.47	1.57	2.06	3.85	3.78	1.48	0.69	1.63	0.12	2.48	0.54
2011	0.31	1.39	1.72	4.55	4.91	2.11	2.92	1.80	3.84	3.30	3.44	1.50
2012	1.96	1.28	1.46	0.88	0.68	0.83	3.05	2.60	1.10	2.27	0.42	1.55
2013	2.69	1.10	0.62	5.31	3.17	6.46	1.79	2.78	1.83	1.59	0.54	1.93
2014	0.66	1.90	0.57	2.73	2.85	2.88	2.24	1.41	1.92	M	1.82	1.04
2015	0.91	0.54	0.49	1.88	2.63	4.30	2.34	2.82	1.92	1.05	1.37	2.20
2016	0.29	0.71	2.63	2.14	1.96	4.11	0.18	M	M	M	M	0.75
2017	1.06	0.71	2.68	2.72	4.80	1.71	4.49	2.51	2.31	1.98	3.23	0.25
2018	0.86	0.69	M	1.54	3.49	0.88	2.99	2.28	0.52	1.89	2.07	0.34
2019	0.03	0.89	2.09	M	3.74	2.14	2.45	1.56	3.79	2.46	0.71	1.51
2020	2.15	0.80	2.21	1.75	3.88	1.86	0.90	0.47	0.42	0.80	1.07	0.22
2021	0.42	0.15	1.33	0.78	1.57	2.78	1.09	1.86	1.05	1.45	0.46	1.16
2022	0.10	1.02	1.26	1.25	1.04	1.05	1.53	0.25	1.33	2.20	1.47	1.05
2023	0.46	3.66	3.07	1.41	1.44	1.33	4.08	1.68	0.93	M	M	M
2024	M	0.18	3.22	4.09	3.77	3.38	4.25	1.59	1.41	0.29	0.88	2.66
2025	0.04	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	2.59	2.05	2.16	4.05	4.89	4.72	4.41	4.52	2.90	3.17	2.71	2.44

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	9.6	5.0	4.5	3.9	5.0	5.0	7.8	8.1
2004	9.1	7.6	8.7	9.1	6.8	5.2	4.5	4.0	3.2	6.4	6.6	8.0
2005	7.1	6.2	7.7	8.4	6.3	3.6	4.1	3.7	4.2	4.2	8.6	6.7
2006	8.4	7.8	7.7	7.7	5.6	4.0	4.4	4.3	4.5	7.1	5.1	7.9
2007	8.1	8.7	9.0	9.0	6.0	4.6	4.7	3.8	3.7	5.6	7.0	7.3
2008	8.8	8.1	7.4	7.6	6.8	5.7	4.7	4.4	4.2	5.7	7.0	8.1
2009	7.6	8.3	7.7	8.7	5.6	4.8	4.7	4.7	4.6	6.1	5.9	8.1
2010	7.8	7.5	6.0	7.4	6.2	5.3	4.0	3.5	6.1	6.0	7.5	7.7
2011	7.6	8.5	8.1	10.3	6.8	6.5	4.1	3.7	5.5	5.3	7.6	6.4
2012	8.6	7.2	7.6	8.0	5.8	5.8	4.8	3.5	4.3	7.4	4.8	7.0
2013	8.5	8.6	8.5	8.2	6.1	5.0	4.4	3.4	4.5	5.1	8.1	7.8
2014	9.2	7.7	7.5	8.7	6.3	4.8	4.7	4.0	4.0	6.1	8.3	6.7
2015	7.0	7.1	6.8	7.7	5.8	5.4	4.1	4.2	3.9	6.7	7.1	7.4
2016	7.7	8.6	7.4	7.8	6.1	5.3	4.2	3.5	4.4	5.2	5.8	8.6
2017	8.4	7.8	8.6	8.0	7.7	5.5	4.0	3.5	3.4	5.4	6.2	7.4
2018	7.2	7.0	8.1	7.8	5.6	5.5	3.9	3.9	4.7	6.1	7.0	6.4
2019	8.6	8.9	7.5	8.0	6.4	5.5	4.3	4.4	4.4	6.3	6.5	7.0
2020	7.2	7.5	7.4	7.3	6.8	5.4	4.1	6.1	5.1	5.9	7.3	7.8
2021	6.6	7.3	7.6	6.4	5.5	4.5	4.3	3.3	5.2	5.1	6.7	7.0
2022	7.7	8.3	8.5	8.8	6.7	5.1	4.7	2.7	4.0	6.4	7.5	8.0
2023	6.8	8.6	8.6	7.4	6.1	5.5	3.6	4.6	3.6	5.8	6.5	5.5
2024	7.7	6.1	8.4	8.5	5.4	5.7	3.9	4.2	4.7	4.6	8.2	7.9
2025	8.0	M	M	M	M	M	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
2003	M	M	M	M	67.20	79.11	82.94	84.11	73.83	63.52	54.49	39.95
2004	29.50	36.90	50.87	65.42	74.04	78.44	81.30	77.70	85.64	65.91	50.48	37.17
2005	31.59	37.79	43.50	63.62	68.99	83.72	85.65	84.03	80.00	62.77	51.86	29.68
2006	43.15	38.04	46.98	65.00	68.41	79.82	84.20	80.77	70.28	58.36	50.60	43.38
2007	36.82	24.61	52.73	57.50	77.12	82.22	82.86	83.33	78.92	69.22	48.08	34.79
2008	33.22	32.12	42.24	62.36	67.48	80.42	82.34	82.17	77.66	62.14	45.34	32.90
2009	25.03	38.93	52.21	58.46	70.94	79.16	77.90	78.31	73.94	57.35	53.68	34.53
2010	28.96	32.46	53.57	67.94	73.07	80.72	86.67	85.67	76.17	67.43	52.83	31.09
2011	28.63	34.08	46.50	60.14	70.85	79.44	87.28	81.94	70.34	63.24	50.87	39.08
2012	36.76	38.70	61.96	61.10	77.35	83.60	89.31	79.79	72.74	58.42	48.80	41.29
2013	35.14	33.99	39.26	56.96	73.34	78.08	79.85	79.73	75.44	62.08	44.48	33.57
2014	25.90	26.79	39.03	59.12	70.73	80.06	77.58	80.37	71.84	59.93	41.96	37.05
2015	29.27	24.54	43.15	61.10	73.34	77.00	79.67	79.15	77.96	62.72	53.66	46.05
2016	33.63	38.27	52.03	58.16	69.45	80.66	82.40	83.15	77.00	65.21	54.02	32.12
2017	36.76	48.14	45.88	63.62	67.19	80.30	80.43	77.23	75.50	65.39	46.82	33.16
2018	31.48	38.36	42.63	51.56	76.19	79.40	82.46	80.54	76.10	61.15	38.72	39.55
2019	29.27	35.54	42.57	57.56	68.12	77.06	84.37	79.55	76.88	61.32	41.90	41.75
2020	36.82	36.03	49.30	55.10	66.66	81.74	85.69	76.23	74.18	60.22	53.84	38.30
2021	32.75	28.21	53.89	59.30	67.83	81.02	79.73	82.17	77.18	65.04	45.98	44.77
2022	29.45	35.09	49.83	55.22	72.82	81.29	82.55	78.03	73.38	63.37	51.16	35.24
2023	38.45	43.68	46.04	61.38	72.02	77.75	79.27	77.57	75.35	62.32	50.47	44.06
2024	30.37	47.29	53.43	61.26	75.02	82.03	80.58	81.55	78.19	68.63	52.49	38.14
2025	27.18	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	32.99	36.95	47.90	60.89	71.70	80.80	83.79	81.81	76.21	63.60	49.79	37.71

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	51.25	58.12	63.50	64.77	53.98	42.10	38.89	27.92
2004	15.74	20.33	36.24	42.92	54.70	59.36	63.82	59.81	56.12	44.77	36.20	22.71
2005	17.08	23.90	25.26	40.94	46.28	63.74	63.76	63.01	55.82	44.95	33.80	19.34
2006	30.49	21.84	29.91	41.30	48.49	57.98	65.50	62.19	51.98	40.13	36.32	29.04
2007	24.05	10.14	33.16	37.76	52.61	59.66	60.63	63.41	55.10	48.95	32.66	24.05
2008	16.90	16.98	27.22	40.16	46.92	60.62	62.37	58.71	54.98	40.94	31.07	19.03
2009	8.19	22.47	30.37	39.86	48.68	60.08	58.29	59.99	55.34	42.04	36.30	22.84
2010	17.60	20.36	33.27	43.84	52.85	62.87	65.42	64.62	54.79	42.76	31.21	19.24
2011	15.02	19.59	29.34	40.36	52.37	62.73	66.66	60.10	51.86	40.94	36.34	28.52
2012	22.54	24.99	41.64	38.36	53.25	57.26	66.78	57.32	51.26	41.23	30.08	30.55
2013	20.74	21.26	25.79	36.86	51.74	59.06	61.85	59.23	52.28	42.57	31.34	19.69
2014	8.43	9.82	20.79	37.34	48.72	61.16	56.39	60.63	50.24	41.52	26.84	27.18
2015	14.87	7.19	24.74	37.52	52.03	59.36	59.23	58.88	55.58	42.86	34.88	34.50
2016	18.35	22.81	34.67	38.18	47.97	58.58	62.60	64.17	57.20	46.23	36.38	20.56
2017	25.32	29.75	30.66	42.92	48.37	59.00	62.19	56.91	54.08	47.62	32.66	19.69
2018	17.60	22.74	26.83	32.60	55.86	61.52	61.90	63.18	57.50	42.39	29.48	27.06
2019	16.32	21.97	25.73	38.54	49.25	58.58	64.98	60.22	57.68	42.45	28.28	27.59
2020	27.06	22.63	32.46	35.72	47.85	59.12	64.52	64.66	52.40	40.30	35.48	27.14
2021	24.51	14.32	32.29	38.48	46.92	61.34	63.01	63.24	56.18	49.88	31.04	29.10
2022	13.48	19.14	30.61	37.28	53.54	59.69	62.60	61.31	54.20	40.68	32.94	23.81
2023	28.14	25.76	29.87	38.97	48.91	56.11	61.50	60.05	54.96	45.72	31.60	32.83
2024	21.92	27.38	34.34	42.84	53.64	62.08	61.84	61.32	55.79	42.34	37.32	26.43
2025	17.07	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	16.59	19.03	27.50	37.89	48.70	58.19	61.70	59.80	52.41	41.60	31.40	22.30

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	59.23	68.61	73.22	74.44	63.90	52.81	46.69	33.94
2004	22.62	28.62	43.55	54.17	64.37	68.90	72.56	68.75	70.88	55.34	43.34	29.94
2005	24.34	30.84	34.38	52.28	57.64	73.73	74.71	73.52	67.91	53.86	42.83	24.51
2006	36.82	29.94	38.45	53.15	58.45	68.90	74.85	71.48	61.13	49.25	43.46	36.21
2007	30.43	17.37	42.95	47.63	64.86	70.94	71.75	73.37	67.01	59.09	40.37	29.42
2008	25.06	24.55	34.73	51.26	57.20	70.52	72.35	70.44	66.32	51.54	38.21	25.96
2009	16.61	30.70	41.29	49.16	59.81	69.62	68.10	69.15	64.64	49.69	44.99	28.68
2010	23.28	26.41	43.42	55.89	62.96	71.80	76.05	75.15	65.48	55.09	42.02	25.17
2011	21.82	26.83	37.92	50.25	61.61	71.09	76.97	71.02	61.10	52.09	43.61	33.80
2012	29.65	31.84	51.80	49.73	65.30	70.43	78.05	68.55	62.00	49.83	39.44	35.92
2013	27.94	27.63	32.52	46.91	62.54	68.57	70.85	69.48	63.86	52.32	37.91	26.63
2014	17.16	18.31	29.91	48.23	59.73	70.61	66.98	70.50	61.04	50.73	34.40	32.12
2015	22.07	15.86	33.95	49.31	62.69	68.18	69.45	69.02	66.77	52.79	44.27	40.27
2016	25.99	30.54	43.35	48.17	58.71	69.62	72.50	73.66	67.10	55.72	45.20	26.34
2017	31.04	38.94	38.27	53.27	57.78	69.65	71.31	67.07	64.79	56.50	39.74	26.43
2018	24.54	30.55	34.73	42.08	66.03	70.46	72.18	71.86	66.80	51.77	34.10	33.31
2019	22.80	28.75	34.15	48.05	58.68	67.82	74.68	69.89	67.28	51.89	35.09	34.67
2020	31.94	29.33	40.88	45.41	57.26	70.43	75.11	70.44	63.29	50.26	44.66	32.72
2021	28.63	21.26	43.09	48.89	57.37	71.18	71.37	72.70	66.68	57.46	38.51	36.94
2022	21.46	27.11	40.22	46.25	63.18	70.49	72.57	69.67	63.79	52.03	42.05	29.52
2023	33.29	34.72	37.96	50.18	60.46	66.93	70.38	68.81	65.16	54.02	41.04	38.45
2024	26.15	37.33	43.88	52.05	64.33	72.06	71.21	71.44	66.99	55.48	44.91	32.28
2025	22.13	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	24.79	27.99	37.70	49.39	60.20	69.50	72.75	70.80	64.31	52.60	40.60	30.00

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
2003	M	M	M	M	83.7%	68.6%	76.0%	78.1%	76.0%	71.6%	75.2%	76.6%
2004	75.6%	76.2%	73.8%	60.2%	76.2%	73.4%	77.8%	79.4%	74.0%	66.3%	70.0%	70.9%
2005	73.6%	73.0%	66.3%	50.8%	55.8%	68.3%	72.0%	73.3%	68.2%	74.2%	68.3%	82.9%
2006	80.4%	70.4%	70.6%	60.8%	71.2%	67.0%	72.7%	74.8%	79.6%	70.7%	74.7%	75.5%
2007	79.3%	73.3%	67.8%	65.1%	58.4%	63.2%	64.5%	75.8%	66.8%	70.4%	72.8%	82.8%
2008	76.1%	79.3%	72.4%	64.3%	64.4%	68.9%	69.9%	69.8%	72.9%	68.4%	72.7%	79.3%
2009	75.8%	76.1%	62.5%	65.9%	63.4%	70.6%	71.3%	78.3%	77.8%	76.1%	75.7%	77.7%
2010	81.7%	80.6%	70.8%	59.7%	72.1%	76.6%	72.1%	72.0%	68.4%	62.4%	72.5%	82.1%
2011	80.4%	76.5%	72.1%	72.4%	72.4%	70.0%	73.9%	76.1%	78.2%	72.1%	74.6%	82.1%
2012	79.9%	80.2%	67.9%	60.5%	59.6%	56.6%	65.2%	74.7%	73.8%	75.1%	73.3%	84.2%
2013	77.1%	79.4%	73.5%	70.3%	65.9%	74.2%	77.1%	77.0%	74.4%	78.4%	74.4%	80.3%
2014	76.4%	76.2%	72.7%	64.4%	67.9%	75.5%	75.0%	80.0%	80.4%	76.6%	74.1%	85.2%
2015	79.1%	73.6%	71.9%	65.8%	72.2%	82.0%	78.3%	76.6%	74.9%	71.6%	74.5%	83.9%
2016	78.2%	78.2%	75.4%	69.6%	68.5%	67.1%	78.0%	82.1%	76.4%	68.1%	73.0%	74.2%
2017	75.6%	69.1%	70.1%	68.0%	68.3%	65.2%	77.9%	80.6%	79.5%	75.8%	76.4%	75.2%
2018	79.0%	81.5%	69.8%	68.8%	71.7%	78.6%	74.7%	82.7%	80.1%	78.4%	83.4%	83.3%
2019	78.7%	80.0%	71.9%	71.6%	78.8%	73.0%	73.9%	75.8%	78.7%	75.7%	78.0%	80.1%
2020	82.2%	76.0%	76.8%	69.2%	69.2%	64.0%	72.7%	72.6%	72.1%	71.9%	70.3%	76.4%
2021	81.3%	75.9%	63.4%	66.9%	66.3%	71.2%	79.7%	77.9%	69.3%	82.0%	74.5%	79.0%
2022	72.5%	74.1%	70.5%	69.4%	67.8%	61.0%	70.4%	73.8%	78.6%	65.7%	69.7%	77.1%
2023	82.7%	69.3%	71.4%	62.7%	59.5%	65.2%	77.9%	79.2%	77.0%	75.1%	66.9%	80.7%
2024	82.7%	71.8%	66.7%	67.0%	69.7%	65.8%	76.7%	74.8%	72.8%	65.3%	73.3%	77.9%
2025	75.0%	M	M	M	M	M	M	M	M	M	M	M