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 (USC00317845) 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	M	M	M	M	M	M	M	0.00
2004	1.50	2.75	1.90	2.18	3.99	5.69	2.91	5.17	10.94	2.15	4.56	3.39
2005	0.06	2.40	3.80	0.24	0.12	0.15	3.02	3.03	0.13	5.57	3.61	4.62
2006	3.10	0.40	1.00	1.71	1.80	3.41	5.03	3.81	3.09	3.65	3.77	5.44
2007	3.47	1.67	3.53	2.88	1.47	2.72	1.09	3.23	0.52	2.27	0.99	4.07
2008	1.45	2.56	4.04	2.34	2.40	0.69	3.71	7.54	3.38	2.04	1.84	3.60
2009	2.62	1.75	5.74	3.01	13.16	7.06	6.32	1.99	6.49	7.36	6.97	10.96
2010	8.08	5.61	5.40	1.91	6.73	0.31	0.06	0.08	35.35	2.37	3.32	0.95
2011	0.28	18.15	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2012	0.00	0.00	0.00	0.00	0.00	1.72	3.34	5.86	4.47	2.86	0.57	5.99
2013	6.82	4.20	4.72	7.62	7.77	4.19	9.56	5.62	4.56	3.56	5.66	8.48
2014	2.33	1.53	1.90	2.54	0.30	0.30	M	M	0.18	1.56	2.90	2.59
2015	2.35	1.82	1.79	11.25	0.67	2.80	1.07	3.90	2.36	3.50	8.49	7.67
2016	2.01	0.34	0.07	1.22	3.53	1.65	2.44	2.56	0.31	0.51	0.54	1.18
2017	3.90	1.16	3.21	5.40	5.10	2.11	2.80	5.08	2.34	2.77	0.65	1.69
2018	1.84	3.36	3.51	7.24	5.54	4.25	4.57	4.08	3.90	5.42	7.21	6.19
2019	3.01	5.37	1.92	4.06	3.13	5.71	2.61	2.76	0.24	4.30	2.76	4.79
2020	5.85	6.31	1.11	6.37	5.17	2.86	4.05	5.83	3.92	5.11	6.41	3.29
2021	3.88	4.27	6.40	1.21	2.13	1.64	5.84	3.51	1.82	1.58	0.67	1.81
2022	2.35	2.38	3.80	3.06	2.81	1.27	2.07	2.39	3.21	1.78	4.65	3.77
2023	5.41	2.31	1.78	6.43	1.96	3.17	3.05	2.82	1.29	0.41	2.58	6.08
2024	5.88	0.97	5.18	1.61	3.61	1.56	6.49	5.49	5.56	0.33	2.28	3.48
2025	0.79	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	4.31	3.49	4.68	4.27	4.30	4.47	4.41	4.49	3.98	3.72	3.98	4.43

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	M	M	M	M	M	M	M	2.7
2004	5.5	5.5	5.5	5.3	4.0	3.1	2.9	3.3	5.6	3.5	3.3	4.9
2005	4.2	4.8	6.8	6.4	4.3	3.5	3.0	2.8	4.5	4.1	4.7	4.1
2006	5.6	5.4	5.8	5.2	4.6	3.7	3.1	2.9	3.0	3.8	4.1	3.6
2007	5.1	5.3	5.6	6.0	4.5	3.9	3.7	3.3	3.7	3.2	4.1	4.5
2008	4.9	5.8	6.4	4.9	5.8	4.0	3.2	3.0	4.3	4.0	4.5	4.6
2009	4.6	5.7	5.2	5.5	4.3	2.8	3.8	2.8	3.5	3.6	4.5	4.0
2010	5.3	4.9	4.8	4.6	3.9	3.4	3.5	3.3	3.4	3.6	5.1	5.7
2011	5.8	6.6	6.5	7.7	5.5	5.1	3.3	3.6	3.3	5.0	4.2	4.0
2012	5.1	4.7	4.4	4.9	3.6	3.6	2.8	2.9	2.9	4.5	4.4	4.7
2013	4.6	5.8	6.0	5.6	4.9	4.7	3.4	2.9	2.9	3.4	4.4	3.9
2014	5.2	5.3	6.1	5.7	4.4	3.4	3.4	2.7	3.5	4.4	4.2	4.0
2015	4.7	5.1	4.9	4.8	3.8	3.0	3.6	2.0	4.5	4.9	4.0	3.7
2016	4.8	6.2	5.2	5.5	4.7	4.1	3.5	3.3	3.8	4.3	3.3	4.2
2017	5.4	5.4	5.6	5.5	4.7	3.6	3.5	3.2	3.9	3.7	2.7	3.8
2018	4.2	4.9	6.7	5.8	4.1	3.4	3.0	2.7	4.5	3.7	4.3	4.0
2019	4.6	4.9	4.7	4.9	4.0	4.3	2.9	2.7	3.1	3.7	3.8	4.9
2020	4.6	5.1	4.5	6.2	4.7	4.5	2.9	3.0	4.6	3.4	3.4	3.7
2021	3.9	5.7	5.0	5.4	4.5	3.9	3.5	2.6	2.7	3.4	3.4	4.3
2022	5.1	4.6	5.9	5.1	4.9	3.5	3.9	2.9	4.0	3.4	4.4	3.1
2023	4.4	5.0	5.0	5.0	5.4	4.2	2.5	3.0	3.2	3.2	2.9	3.8
2024	5.0	5.3	5.0	5.2	3.3	3.5	3.3	3.2	4.5	1.7	3.0	3.8
2025	3.5	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	M	M	M	M	M	M	M	54.57
2004	50.87	50.21	65.97	72.70	83.65	84.21	87.95	83.63	79.43	71.28	63.43	54.87
2005	56.94	57.30	61.92	70.73	75.86	83.44	89.72	90.71	86.35	72.06	63.08	49.42
2006	56.27	55.29	62.14	76.04	77.52	85.16	88.50	86.81	80.66	72.70	66.98	62.83
2007	54.59	51.32	67.54	71.12	80.66	87.98	87.16	95.52	85.10	75.90	63.26	59.00
2008	50.87	58.57	64.40	70.94	79.50	92.30	90.53	87.57	80.66	70.44	59.12	55.57
2009	50.91	57.39	62.41	73.53	79.41	88.72	85.60	84.64	77.74	66.19	61.73	46.32
2010	46.09	44.71	60.08	74.28	78.12	89.01	91.17	84.24	81.91	72.93	60.56	42.27
2011	45.10	56.89	67.16	77.97	80.84	87.50	90.18	88.44	79.40	68.87	61.88	55.75
2012	52.55	55.71	70.09	71.35	79.44	83.18	87.80	83.27	78.56	68.35	59.30	55.61
2013	52.16	51.61	56.10	70.05	75.06	83.71	83.79	82.38	79.65	71.23	57.49	55.34
2014	44.73	55.74	59.15	71.35	81.04	85.93	84.46	83.38	78.09	72.77	57.56	54.24
2015	48.93	46.69	64.36	70.47	81.65	88.23	90.13	87.21	80.83	68.84	63.13	62.15
2016	47.84	52.13	67.86	71.26	76.83	87.90	91.34	88.26	86.27	75.09	65.99	52.31
2017	54.58	64.50	63.07	73.82	77.54	82.63	87.83	84.08	80.13	73.00	61.33	51.52
2018	47.57	60.83	57.58	68.67	81.61	87.39	86.36	85.91	84.59	72.27	56.15	51.61
2019	51.20	58.11	59.64	72.43	82.38	83.74	88.55	86.35	88.63	75.62	57.48	55.64
2020	53.08	55.50	62.08	70.01	73.67	83.36	89.81	85.74	77.34	72.54	65.53	52.07
2021	49.81	51.91	64.39	71.42	77.26	84.70	87.88	87.18	80.69	74.32	60.32	61.69
2022	49.03	56.75	64.74	71.66	80.28	86.62	89.82	85.52	80.22	69.34	62.91	49.70
2023	55.71	62.06	63.96	70.95	74.88	80.41	87.71	86.35	81.11	73.29	63.67	55.99
2024	50.48	59.62	65.24	72.84	79.35	86.57	88.54	85.37	79.21	74.45	64.07	52.68
2025	44.12	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	52.60	56.62	64.10	73.10	80.09	87.10	90.61	88.91	83.30	73.90	63.60	55.11

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	M	M	M	M	M	M	M	28.95
2004	31.06	32.30	43.19	48.50	61.90	67.00	69.03	66.10	61.92	55.58	43.17	34.65
2005	41.82	37.14	39.25	47.07	53.70	65.50	71.89	71.90	63.53	50.35	38.36	29.85
2006	36.01	37.06	39.66	50.60	53.83	62.96	67.77	68.46	62.66	50.17	42.74	37.98
2007	35.48	29.69	43.03	47.66	55.75	66.50	67.48	70.85	62.06	53.66	37.34	39.08
2008	32.17	36.16	40.88	49.04	56.97	67.40	68.52	68.35	63.50	47.74	36.56	38.21
2009	32.23	34.19	42.89	49.69	61.06	68.40	65.37	66.49	59.93	46.82	40.08	28.39
2010	23.32	27.08	36.75	47.00	59.12	66.89	68.71	69.35	60.80	45.74	35.86	22.84
2011	25.19	32.74	37.86	42.29	54.82	65.00	68.99	66.49	59.78	44.89	39.38	36.99
2012	32.93	35.04	48.14	47.77	58.94	61.52	69.10	65.50	59.24	47.68	34.52	37.71
2013	30.46	32.16	34.64	48.51	54.95	66.43	68.83	66.72	60.50	50.18	35.57	35.06
2014	23.63	33.54	34.26	47.47	56.75	66.15	66.34	65.15	62.82	48.61	34.24	35.01
2015	29.35	26.36	41.10	50.83	57.72	66.84	68.95	66.61	61.38	47.85	43.32	43.61
2016	27.89	33.01	44.40	47.39	56.55	65.46	69.73	70.23	63.77	50.24	38.31	34.32
2017	37.31	38.35	39.66	53.25	56.57	64.46	68.60	66.67	59.11	49.87	38.36	33.34
2018	23.85	42.34	37.91	45.00	61.83	66.15	67.76	67.32	68.38	52.08	37.14	35.28
2019	32.12	37.98	37.90	49.89	60.92	64.84	68.37	66.64	64.16	53.36	36.16	34.85
2020	35.57	37.59	42.36	47.07	53.17	64.51	69.37	68.31	60.51	51.17	42.93	31.03
2021	31.53	32.98	43.25	45.61	54.26	64.70	67.71	67.72	58.92	53.16	34.35	40.26
2022	28.88	34.23	42.69	46.07	58.70	64.71	69.94	67.25	59.09	44.92	41.93	32.31
2023	37.64	40.36	41.92	47.47	55.28	60.39	68.01	67.63	60.68	47.95	35.81	33.84
2024	29.75	35.82	41.78	49.87	58.78	64.55	69.79	66.34	62.67	48.39	43.68	32.21
2025	22.72	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	26.90	29.59	36.00	44.50	54.00	62.09	65.91	64.80	58.10	45.10	34.60	29.40

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	M	M	M	M	M	M	M	41.76
2004	40.97	41.26	54.58	60.60	72.77	75.60	78.49	74.86	70.67	63.43	53.30	44.76
2005	49.38	47.22	50.58	58.90	64.78	74.47	80.80	81.31	74.94	61.21	50.72	39.64
2006	46.14	46.17	50.90	63.32	65.68	74.06	78.13	77.64	71.66	61.44	54.86	50.41
2007	45.04	40.50	55.28	59.39	68.20	77.24	77.32	83.18	73.58	64.78	50.30	49.04
2008	41.52	47.36	52.64	59.99	68.23	79.85	79.53	77.96	72.08	59.09	47.84	46.89
2009	41.57	45.79	52.65	61.61	70.23	78.56	75.48	75.57	68.84	56.51	50.90	37.36
2010	34.70	35.90	48.42	60.64	68.62	77.95	79.94	76.80	71.35	59.34	48.21	32.55
2011	35.14	44.82	52.51	60.13	67.83	76.25	79.58	77.46	69.59	56.88	50.63	46.37
2012	42.74	45.38	59.12	59.56	69.19	72.35	78.45	74.39	68.90	58.01	46.91	46.66
2013	41.31	41.88	45.37	59.28	65.00	75.07	76.31	74.55	70.07	60.71	46.53	45.20
2014	34.18	44.64	46.70	59.41	68.89	76.04	75.40	74.27	70.46	60.69	45.90	44.63
2015	39.14	36.52	52.73	60.65	69.69	77.53	79.54	76.91	71.10	58.34	53.23	52.88
2016	37.87	42.57	56.13	59.32	66.69	76.68	80.53	79.24	75.02	62.67	52.15	43.31
2017	45.95	51.43	51.36	63.53	67.05	73.55	78.21	75.38	69.62	61.43	49.85	42.43
2018	35.71	51.59	47.75	56.84	71.72	76.77	77.06	76.61	76.48	62.17	46.65	43.45
2019	41.66	48.04	48.77	61.16	71.65	74.29	78.46	76.50	76.40	64.49	46.82	45.24
2020	44.32	46.54	52.22	58.54	63.42	73.94	79.59	77.03	68.92	61.85	54.23	41.55
2021	40.67	42.44	53.82	58.51	65.76	74.70	77.80	77.45	69.80	63.74	47.33	50.98
2022	38.96	45.49	53.71	58.86	69.49	75.66	79.88	76.38	69.65	57.13	52.42	41.00
2023	46.68	51.21	52.94	59.21	65.08	70.40	77.86	76.99	70.89	60.62	49.74	44.91
2024	40.12	47.72	53.51	61.36	69.06	75.56	79.16	75.85	70.94	61.42	53.88	42.45
2025	33.42	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	39.75	43.10	50.05	58.80	67.05	74.60	78.26	76.85	70.70	59.50	49.10	42.25

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	M	M	M	M	M	M	M	50.6%
2004	58.3%	65.3%	56.5%	53.2%	67.5%	74.6%	78.8%	83.1%	82.7%	86.8%	79.2%	64.3%
2005	71.2%	65.0%	58.9%	62.8%	66.9%	79.5%	76.6%	73.2%	67.6%	79.5%	74.6%	76.3%
2006	72.2%	57.9%	57.8%	58.4%	67.0%	69.1%	72.1%	78.1%	75.5%	67.6%	62.9%	59.8%
2007	63.3%	51.3%	55.1%	53.3%	59.6%	66.3%	67.6%	61.2%	62.9%	69.8%	59.9%	68.7%
2008	61.6%	64.1%	57.8%	66.6%	62.9%	57.1%	66.8%	69.6%	77.3%	70.4%	64.4%	72.1%
2009	63.7%	54.6%	66.9%	60.4%	77.4%	72.4%	75.0%	82.7%	83.9%	85.5%	79.7%	77.0%
2010	70.3%	71.5%	66.2%	62.7%	81.4%	76.7%	66.4%	83.2%	80.8%	80.0%	80.2%	77.2%
2011	80.4%	71.4%	63.0%	59.5%	64.6%	67.8%	72.5%	69.5%	75.1%	68.5%	73.3%	74.7%
2012	68.7%	69.4%	63.7%	64.6%	71.0%	66.2%	75.9%	78.0%	78.3%	72.4%	60.5%	69.5%
2013	70.9%	62.9%	56.5%	64.1%	71.8%	76.9%	84.1%	82.1%	77.1%	76.7%	64.8%	72.8%
2014	55.6%	62.1%	60.1%	59.5%	65.8%	73.6%	74.1%	79.1%	82.0%	71.2%	62.4%	73.7%
2015	62.2%	60.8%	64.6%	68.4%	65.1%	70.4%	69.1%	71.4%	74.6%	76.6%	72.7%	81.8%
2016	62.8%	64.8%	62.1%	56.9%	69.5%	67.6%	74.4%	81.7%	73.2%	71.8%	62.7%	70.3%
2017	73.3%	58.5%	60.1%	73.7%	76.5%	79.8%	81.0%	79.3%	75.7%	76.8%	73.5%	68.9%
2018	63.0%	75.7%	59.2%	60.4%	76.5%	74.6%	78.7%	81.1%	82.0%	77.2%	78.7%	78.6%
2019	68.9%	71.2%	61.9%	68.4%	72.7%	73.3%	75.9%	80.1%	70.3%	76.4%	70.7%	73.0%
2020	70.9%	72.2%	68.9%	63.7%	75.2%	77.5%	79.6%	85.2%	81.3%	81.4%	73.9%	71.8%
2021	74.7%	72.1%	60.4%	57.0%	68.5%	75.6%	75.7%	80.6%	78.6%	79.4%	62.0%	73.5%
2022	63.3%	68.0%	62.6%	59.6%	71.6%	69.0%	79.4%	81.2%	74.6%	71.1%	70.8%	75.1%
2023	73.1%	68.5%	59.5%	67.6%	70.6%	74.5%	78.7%	78.9%	78.1%	70.4%	61.1%	70.3%
2024	68.3%	58.5%	62.4%	64.4%	76.7%	69.4%	78.4%	78.9%	79.8%	70.8%	75.3%	71.0%
2025	56.4%	M	M	M	M	M	M	M	M	M	M	M