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 (USC00312631) 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
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	0.36	0.80	0.22	2.17	0.89	4.88	4.99	2.43	3.02	2.35	3.09	2.05
2007	3.40	1.58	1.94	1.38	0.27	2.00	3.30	0.40	0.92	3.49	0.32	1.71
2008	0.32	1.61	2.20	2.48	1.63	0.79	1.14	3.82	2.87	1.05	2.05	2.19
2009	1.68	0.69	1.94	1.83	5.41	4.67	1.01	2.85	5.32	3.46	8.44	5.12
2010	4.64	1.58	3.61	1.39	5.00	2.06	2.33	3.82	6.18	3.70	0.84	1.30
2011	0.80	2.15	3.80	2.87	4.12	2.18	1.52	1.67	4.74	3.03	4.34	1.76
2012	1.13	1.25	0.92	1.57	1.87	1.98	3.72	4.52	3.10	1.69	0.15	2.08
2013	5.15	1.51	1.65	3.65	3.08	7.04	4.97	2.48	1.32	1.06	2.65	3.78
2014	2.18	1.77	2.12	4.53	1.81	1.52	3.02	2.72	2.13	2.74	0.99	1.28
2015	0.95	1.62	1.67	2.86	2.39	4.65	4.00	2.95	8.61	3.76	4.52	4.17
2016	1.85	4.07	0.46	1.45	3.98	3.06	4.14	3.79	2.32	2.93	0.93	0.68
2017	3.20	0.38	2.44	3.86	3.20	3.21	1.73	3.04	2.54	1.81	0.83	0.60
2018	1.59	2.11	2.38	4.17	4.21	1.49	10.30	4.69	7.89	5.24	4.73	4.47
2019	2.64	3.36	1.80	3.38	2.61	5.47	1.74	2.73	0.49	4.82	2.08	2.28
2020	2.61	6.33	1.78	4.28	7.50	2.12	1.43	4.82	3.54	4.20	5.93	1.91
2021	1.82	3.19	3.34	2.33	0.57	0.48	2.42	0.81	2.13	1.88	0.05	0.78
2022	2.99	2.47	2.93	M	5.03	1.23	3.41	1.94	3.30	0.78	3.06	2.00
2023	2.45	2.08	1.27	2.94	1.54	3.97	3.45	1.85	2.24	0.65	1.83	3.69
2024	4.99	1.32	3.40	1.28	3.26	0.49	3.33	6.28	4.41	0.16	0.84	1.53
2025	0.98	2.02	1.42	1.65	3.76	0.46	M	M	M	M	M	M
NCEI Climatology	3.83	3.19	3.90	3.91	4.17	4.49	4.08	4.42	4.70	3.72	3.30	3.50

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	8.9	5.1	3.8	3.4	2.6	2.5	2.0	2.1	2.8	3.1	2.9
2007	4.2	4.3	4.6	5.0	3.3	2.6	2.3	1.8	1.9	2.3	3.1	3.4
2008	3.9	4.7	5.4	3.8	4.3	2.9	2.5	2.0	2.8	2.5	3.4	3.3
2009	3.6	5.5	3.9	4.8	2.8	2.2	2.7	2.2	2.0	2.6	3.0	2.9
2010	3.9	4.0	3.8	3.7	3.3	2.5	2.5	1.6	2.5	2.9	4.4	5.3
2011	5.0	6.1	5.3	7.0	4.6	4.4	2.2	2.5	1.5	2.7	3.5	2.9
2012	4.2	3.9	3.6	3.9	1.9	1.8	1.7	1.5	1.2	2.3	2.1	3.0
2013	3.2	3.3	3.8	3.5	2.8	2.6	2.2	1.8	1.4	2.2	3.0	3.3
2014	3.5	3.3	4.2	3.8	2.8	1.8	2.3	1.2	2.0	2.5	2.9	2.6
2015	3.2	3.7	3.5	3.7	2.6	2.2	1.8	1.3	1.9	2.7	1.8	2.2
2016	2.9	3.8	4.1	4.2	2.1	1.8	1.6	1.4	1.7	2.0	1.8	2.7
2017	2.9	2.9	3.9	3.7	3.0	2.3	2.0	1.5	1.4	1.5	1.7	2.1
2018	2.5	3.0	3.5	3.9	2.3	1.4	1.0	1.1	0.0	0.0	0.0	0.0
2019	0.0	0.0	0.0	0.0	0.0	0.0	0.2	2.0	1.7	1.9	2.7	2.6
2020	3.5	4.1	4.6	5.0	3.9	2.9	2.3	2.0	2.2	1.9	2.3	3.4
2021	3.0	4.0	3.7	4.3	2.5	2.4	2.4	1.6	1.9	2.4	2.9	2.9
2022	3.8	3.6	5.3	4.4	3.3	2.4	2.8	2.0	2.3	2.0	2.7	2.7
2023	3.6	4.5	4.1	3.4	3.4	2.7	1.6	1.9	1.4	1.8	1.9	2.1
2024	3.5	3.3	3.9	4.6	2.4	2.4	2.3	1.7	2.2	1.8	2.8	3.1
2025	3.7	3.5	5.3	4.1	3.0	2.5	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
2005	M	M	M	M	M	M	M	M	83.38	71.54	64.40	47.97
2006	55.75	53.11	61.21	74.18	75.72	83.72	89.54	89.02	77.36	68.70	63.44	58.25
2007	51.74	46.54	65.27	68.90	78.74	84.56	85.71	92.68	83.78	75.90	62.24	58.13
2008	51.74	57.63	61.09	66.68	75.72	88.34	87.80	83.21	77.42	67.13	54.86	49.83
2009	46.41	55.92	60.43	72.80	79.29	86.82	88.28	90.64	80.54	69.69	63.94	48.16
2010	47.53	45.51	64.05	78.07	81.03	90.78	91.43	87.64	84.34	73.24	61.00	41.32
2011	44.51	56.60	59.77	73.93	77.63	87.23	89.67	89.17	79.36	68.78	64.05	56.24
2012	53.12	56.26	70.32	70.28	80.17	84.57	90.45	85.27	75.57	68.51	57.38	55.06
2013	51.10	49.85	54.40	70.31	75.35	83.50	84.95	82.49	78.84	70.73	56.36	54.61
2014	44.03	51.34	56.49	71.08	80.84	86.65	86.68	82.10	78.44	72.60	55.80	51.89
2015	48.54	44.01	61.43	70.77	81.49	86.89	87.82	85.43	80.31	69.39	62.64	60.81
2016	46.33	51.56	67.47	72.11	75.72	86.40	89.78	87.52	83.95	73.40	65.53	50.80
2017	51.82	63.76	62.63	74.54	76.94	83.86	89.50	84.81	78.70	73.07	59.89	50.09
2018	46.31	58.10	55.59	69.24	83.17	86.84	86.73	85.76	81.57	70.39	54.71	50.63
2019	47.59	55.41	58.08	73.42	83.31	82.89	87.59	85.31	85.16	72.74	56.01	54.48
2020	52.03	54.80	66.36	69.77	72.40	82.89	91.49	85.51	76.80	71.83	65.44	50.79
2021	47.55	49.16	64.15	72.37	77.25	84.69	87.41	88.06	81.51	74.72	59.48	60.89
2022	46.56	56.20	65.67	71.62	78.82	86.59	88.62	85.66	78.59	67.85	61.61	46.46
2023	52.85	61.36	61.44	72.49	74.34	80.36	88.65	85.37	79.69	72.72	63.75	55.17
2024	49.98	57.56	65.34	73.08	79.47	87.25	89.46	84.88	78.74	73.24	64.50	51.02
2025	44.40	53.82	68.04	74.32	76.44	84.30	M	M	M	M	M	M
NCEI Climatology	49.20	53.00	60.99	71.20	77.90	85.19	88.89	86.51	80.70	71.49	60.60	51.70

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	61.29	50.64	37.94	29.62
2006	34.15	27.50	36.76	46.64	49.25	61.40	68.23	69.10	58.28	45.12	38.96	33.16
2007	31.77	23.96	37.98	43.40	52.50	62.12	64.23	68.35	57.44	49.65	35.90	37.92
2008	31.13	35.54	36.01	45.02	50.17	61.10	63.24	61.50	58.40	41.70	32.96	31.48
2009	26.07	31.49	39.49	47.53	57.64	64.77	65.08	67.96	59.67	47.61	40.52	29.15
2010	25.26	27.87	37.84	46.79	59.28	67.58	68.12	67.60	57.68	44.65	32.77	23.45
2011	24.27	30.56	37.51	47.47	55.03	62.45	68.40	64.40	59.80	43.29	36.84	32.60
2012	29.81	31.24	44.70	44.47	56.65	58.49	68.54	64.77	56.43	45.35	29.33	34.04
2013	30.66	28.16	30.25	45.12	52.06	63.55	68.02	63.44	54.93	47.14	32.25	31.41
2014	19.32	27.39	29.89	42.28	52.80	61.65	63.19	63.32	59.63	44.41	29.76	32.30
2015	24.47	20.26	35.41	44.95	54.23	64.23	66.40	62.91	58.64	45.06	40.20	38.82
2016	23.21	29.43	41.07	43.16	53.11	60.45	67.66	67.71	63.03	47.33	34.01	30.57
2017	32.72	34.99	34.56	48.85	52.99	58.28	63.57	61.09	55.25	45.29	33.27	29.17
2018	20.16	35.85	32.54	40.69	59.61	63.69	65.15	65.49	65.80	49.33	34.56	30.56
2019	28.89	36.22	33.92	47.14	59.02	62.15	68.26	66.63	63.04	51.61	32.44	30.92
2020	32.15	33.37	43.95	41.99	51.06	62.08	67.39	66.96	56.89	46.54	37.69	29.02
2021	27.78	30.35	36.95	42.00	50.23	61.32	65.07	65.48	55.98	50.49	29.68	36.17
2022	24.81	29.46	39.14	44.10	55.68	61.56	68.28	65.72	56.32	41.89	37.07	26.46
2023	33.79	38.45	38.08	44.91	52.74	58.08	67.38	65.56	58.99	46.22	31.94	32.10
2024	27.81	32.54	39.76	47.99	56.83	63.58	69.59	65.56	60.88	46.72	39.97	30.27
2025	22.45	31.84	38.81	49.85	54.05	60.36	M	M	M	M	M	M
NCEI Climatology	26.70	28.67	33.60	43.20	53.19	61.30	65.69	64.80	57.60	45.51	33.69	29.08

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	72.34	61.09	51.17	38.79
2006	44.95	40.30	48.98	60.41	62.48	72.56	78.89	79.06	67.82	56.91	51.20	45.70
2007	41.75	35.25	51.63	56.15	65.62	73.34	74.97	80.51	70.61	62.77	49.07	48.03
2008	41.44	46.59	48.55	55.85	62.95	74.72	75.52	72.35	67.91	54.41	43.91	40.65
2009	36.24	43.71	49.96	60.17	68.46	75.80	76.68	79.30	70.10	58.65	52.23	38.65
2010	36.39	36.69	50.94	62.43	70.16	79.18	79.77	77.62	71.01	58.95	46.89	32.39
2011	34.39	43.58	48.64	60.70	66.33	74.84	79.03	76.79	69.58	56.03	50.45	44.42
2012	41.46	43.75	57.51	57.38	68.41	71.53	79.49	75.02	66.00	56.93	43.36	44.55
2013	40.88	39.01	42.32	57.71	63.70	73.53	76.48	72.96	66.88	58.94	44.31	43.01
2014	31.68	39.37	43.19	56.68	66.82	74.15	74.93	72.71	69.03	58.51	42.78	42.09
2015	36.50	32.13	48.42	57.86	67.86	75.56	77.11	74.17	69.47	57.23	51.42	49.81
2016	34.77	40.49	54.27	57.64	64.41	73.42	78.72	77.61	73.49	60.36	49.77	40.69
2017	42.27	49.38	48.59	61.70	64.96	71.07	76.54	72.95	66.97	59.18	46.58	39.63
2018	33.24	46.98	44.07	54.96	71.39	75.27	75.94	75.63	73.68	59.86	44.64	40.59
2019	38.24	45.81	46.00	60.28	71.17	72.52	77.93	75.97	74.10	62.18	44.22	42.70
2020	42.09	44.08	55.15	55.88	61.73	72.48	79.44	76.23	66.85	59.18	51.56	39.90
2021	37.66	39.76	50.55	57.19	63.74	73.01	76.24	76.77	68.75	62.60	44.58	48.53
2022	35.69	42.83	52.40	57.86	67.25	74.07	78.45	75.69	67.46	54.87	49.34	36.46
2023	43.32	49.91	49.76	58.70	63.54	69.22	78.01	75.47	69.34	59.47	47.85	43.63
2024	38.90	45.05	52.55	60.54	68.15	75.42	79.52	75.22	69.81	59.98	52.23	40.64
2025	33.43	42.83	53.42	62.09	65.25	72.33	M	M	M	M	M	M
NCEI Climatology	37.95	40.83	47.30	57.20	65.55	73.25	77.29	75.65	69.15	58.50	47.15	40.39

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
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	65.7%	54.8%	69.5%	76.0%	77.2%	70.5%	71.4%	75.8%	70.9%	67.5%	61.9%
2007	64.0%	55.1%	58.9%	57.7%	67.7%	74.2%	74.7%	65.5%	66.5%	70.4%	54.6%	46.5%
2008	39.2%	43.2%	59.3%	71.9%	67.4%	67.2%	70.1%	76.5%	80.6%	75.9%	69.3%	73.5%
2009	57.6%	40.6%	63.6%	58.3%	75.2%	73.2%	65.3%	68.8%	71.5%	71.5%	70.6%	67.7%
2010	57.4%	59.3%	56.9%	61.3%	76.7%	76.8%	73.7%	83.1%	73.8%	73.3%	62.9%	62.5%
2011	65.2%	58.4%	64.9%	62.4%	74.2%	69.0%	78.5%	73.3%	83.4%	76.7%	74.8%	76.3%
2012	68.6%	69.5%	68.3%	67.6%	79.1%	73.1%	78.1%	81.4%	84.7%	80.2%	69.8%	75.2%
2013	76.4%	66.1%	61.0%	65.7%	76.8%	82.6%	84.6%	85.4%	83.5%	81.4%	67.7%	75.7%
2014	63.9%	65.9%	65.5%	64.8%	72.3%	77.8%	76.1%	86.1%	85.9%	79.4%	69.5%	78.0%
2015	67.3%	61.3%	66.4%	69.6%	75.8%	80.8%	81.3%	81.7%	84.4%	82.2%	78.8%	86.7%
2016	70.4%	68.2%	65.5%	60.8%	80.6%	77.5%	82.5%	84.9%	82.0%	81.4%	72.5%	70.2%
2017	74.7%	59.4%	59.1%	74.7%	78.9%	80.3%	80.2%	82.2%	85.1%	75.0%	68.3%	60.5%
2018	55.3%	76.1%	64.2%	63.8%	79.4%	80.0%	80.9%	86.0%	88.8%	84.2%	79.5%	80.5%
2019	72.0%	70.4%	61.4%	67.0%	72.3%	76.0%	77.5%	79.7%	76.1%	80.9%	72.4%	75.4%
2020	70.9%	70.4%	65.1%	62.5%	75.1%	76.4%	75.4%	84.8%	83.0%	83.6%	75.6%	72.7%
2021	74.4%	71.3%	59.5%	58.5%	69.6%	76.6%	78.3%	80.3%	79.2%	80.9%	64.0%	70.9%
2022	64.4%	69.7%	59.4%	58.9%	76.8%	71.2%	79.6%	82.0%	80.2%	77.4%	81.8%	84.6%
2023	79.3%	64.7%	61.3%	68.0%	72.2%	77.0%	79.2%	80.5%	81.8%	76.2%	66.8%	74.4%
2024	70.2%	65.5%	63.1%	65.3%	78.5%	72.8%	77.4%	82.3%	83.4%	76.8%	73.8%	73.5%
2025	59.0%	64.5%	53.1%	67.6%	77.5%	77.4%	M	M	M	M	M	M