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 (USC00153246) 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	M	M	M	M	2.85	3.05
2005	3.10	1.00	2.19	4.09	1.66	1.76	3.78	5.78	0.29	0.02	3.11	1.82
2006	3.93	0.64	2.44	5.21	1.89	M	M	0.28	4.70	2.45	1.54	3.27
2007	4.57	1.74	2.56	3.04	2.21	2.65	3.13	0.63	1.20	4.39	2.99	6.66
2008	3.87	3.81	4.69	4.52	4.47	1.98	6.94	0.84	1.01	3.79	1.08	5.95
2009	5.73	2.90	3.40	3.74	3.56	2.21	0.01	0.02	0.01	0.04	0.00	0.03
2010	0.01	0.02	0.00	M	3.71	2.43	6.88	2.93	1.02	1.13	5.51	2.27
2011	1.38	6.41	3.60	8.79	7.44	3.15	4.56	1.72	6.14	1.49	8.21	4.09
2012	3.44	1.79	4.18	2.47	4.17	0.84	3.57	3.18	4.89	2.31	1.04	5.93
2013	5.04	1.70	4.77	5.09	5.94	3.98	6.66	6.01	2.72	2.21	3.18	5.39
2014	1.85	4.07	3.46	6.62	4.14	2.11	1.54	8.32	0.07	4.69	2.61	1.29
2015	1.82	3.63	4.91	7.15	2.64	0.55	0.37	2.11	1.85	3.32	3.69	5.45
2016	1.19	4.10	3.39	2.24	7.70	1.84	12.08	3.04	2.72	0.30	1.96	5.00
2017	3.33	1.14	3.46	3.57	4.94	4.84	1.25	2.62	7.27	3.77	2.26	4.14
2018	1.66	7.05	3.70	2.79	4.71	5.07	1.90	3.43	4.50	3.38	5.84	4.88
2019	2.88	10.54	2.09	4.52	1.92	9.41	2.68	1.79	0.08	7.97	6.15	5.58
2020	4.69	6.30	9.15	3.76	4.01	5.58	4.54	5.06	3.21	3.06	1.41	3.11
2021	4.09	6.42	4.82	1.72	5.82	0.59	4.34	6.95	3.59	3.67	2.36	2.77
2022	5.55	6.79	1.84	4.20	4.82	1.87	5.31	3.24	1.77	1.69	1.82	2.78
2023	4.79	3.86	5.26	2.26	3.38	5.14	3.67	3.40	1.12	1.69	1.52	1.69
2024	4.60	3.27	1.92	3.59	8.59	3.42	8.56	1.03	5.82	0.45	2.61	4.93
2025	4.63	7.36	4.09	8.80	7.19	6.67	3.16	M	M	M	M	M
NCEI Climatology	4.14	4.57	5.15	5.27	5.77	4.88	4.97	3.44	3.79	3.74	3.92	5.41

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	M	M	3.3	4.3	5.2
2005	6.0	4.9	5.9	4.8	1.2	1.9	3.5	2.6	2.2	2.5	5.7	5.2
2006	7.3	5.4	6.6	5.1	3.3	M	M	2.6	3.3	3.7	4.0	4.3
2007	6.0	5.6	5.6	5.9	2.8	3.0	3.0	2.8	2.5	3.9	4.0	5.3
2008	6.8	6.6	5.9	3.5	2.7	2.2	2.4	2.2	3.2	3.0	3.6	6.6
2009	5.7	7.0	6.1	6.3	3.6	1.0	0.0	0.0	0.0	0.0	0.0	0.0
2010	0.0	0.0	0.0	M	3.7	3.4	3.0	2.0	2.7	3.4	5.8	5.9
2011	5.6	7.1	7.5	8.5	5.8	4.6	2.7	2.5	3.1	3.4	6.1	4.4
2012	6.6	5.0	5.4	4.9	3.0	3.4	3.4	2.6	3.1	5.2	3.0	5.9
2013	5.5	6.5	6.0	5.6	4.4	3.6	2.8	2.4	2.4	2.9	4.5	5.4
2014	6.4	5.9	5.8	6.0	4.2	3.8	3.6	2.4	2.5	4.3	5.4	4.3
2015	5.1	6.8	5.4	5.6	4.2	4.2	3.3	2.5	2.7	4.4	4.9	5.7
2016	5.4	6.8	6.3	5.8	4.1	3.7	2.9	3.0	2.7	3.8	3.7	5.6
2017	6.7	6.0	6.7	6.5	5.2	3.6	3.0	3.0	3.4	4.0	4.8	5.2
2018	5.4	6.1	6.9	6.3	4.2	3.6	3.2	3.1	3.1	3.6	5.3	5.3
2019	6.2	6.3	6.2	5.4	4.4	4.5	2.8	2.5	2.7	3.7	4.0	4.7
2020	5.8	6.0	6.2	5.2	4.4	4.2	2.5	2.6	2.9	2.9	3.8	5.1
2021	5.3	3.6	3.1	4.4	3.9	3.6	3.0	2.4	2.3	3.5	2.7	4.8
2022	5.2	5.5	6.8	5.5	4.9	3.5	3.5	2.8	3.3	3.9	4.1	4.7
2023	5.6	6.1	6.5	5.3	4.1	3.3	3.0	3.1	2.2	3.2	3.9	4.4
2024	5.9	5.8	5.5	6.5	3.2	3.1	3.0	2.4	3.5	3.0	5.1	5.2
2025	4.5	6.1	6.7	5.7	4.9	3.0	2.7	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	M	M	M	M	69.03	60.63	47.40
2005	48.91	52.02	54.65	68.45	74.18	85.27	87.50	88.68	84.17	70.46	61.08	43.88
2006	54.18	47.17	58.29	71.90	71.42	M	M	83.80	74.96	65.68	59.54	53.60
2007	46.86	43.04	67.30	65.78	80.89	86.78	85.91	94.54	85.28	74.80	57.68	51.68
2008	44.39	47.77	58.83	70.64	78.86	86.36	86.86	M	M	70.04	54.82	48.43
2009	40.77	51.16	59.87	67.22	74.02	77.80	M	M	M	M	M	M
2010	M	M	M	M	79.75	89.61	90.45	90.25	84.92	74.77	60.39	38.30
2011	39.43	50.51	58.33	72.12	80.19	86.58	90.98	87.82	82.96	71.97	64.10	58.55
2012	50.46	56.66	71.19	71.73	81.92	86.91	93.59	86.45	78.40	67.27	57.05	55.49
2013	60.28	70.30	49.87	69.15	81.44	84.75	92.00	87.27	92.12	92.12	92.12	81.85
2014	60.26	53.66	71.35	79.40	85.00	89.22	92.67	93.02	89.74	73.12	50.55	47.76
2015	42.82	37.86	57.65	69.88	79.87	84.77	85.63	83.29	83.11	70.15	62.51	58.95
2016	43.19	49.01	63.52	70.93	74.35	87.70	88.67	87.82	84.93	77.33	63.55	46.72
2017	50.24	58.36	60.10	73.78	76.64	83.20	88.97	85.30	80.44	72.15	59.12	45.14
2018	42.56	54.70	54.84	63.06	84.76	88.84	88.65	87.36	83.32	71.52	52.06	50.28
2019	43.38	52.30	55.03	71.33	80.15	83.91	88.28	88.10	90.41	71.43	53.27	52.92
2020	48.32	48.63	61.32	66.27	74.54	85.04	88.77	84.43	78.74	69.29	62.71	48.64
2021	44.73	41.62	63.27	67.26	74.56	84.82	87.25	87.21	79.15	72.71	56.23	60.64
2022	41.84	50.84	62.04	66.31	78.84	87.81	90.22	86.90	81.07	69.67	59.38	47.99
2023	52.33	57.55	58.99	69.55	76.25	82.21	86.58	84.33	82.30	70.76	60.97	52.34
2024	40.82	57.87	63.34	70.09	77.71	85.79	86.72	86.99	82.38	74.56	60.51	50.51
2025	39.06	50.78	63.98	72.03	73.60	85.48	89.13	M	M	M	M	M
NCEI Climatology	47.19	52.56	61.60	72.80	80.71	87.30	90.30	89.90	83.80	73.50	60.41	50.51

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	M	M	62.34	43.59	29.17
2005	34.41	33.71	33.99	46.76	52.07	64.61	69.32	68.68	60.43	47.20	37.43	27.38
2006	35.37	29.81	37.53	50.78	52.52	M	M	68.00	57.44	45.06	38.54	33.05
2007	31.30	23.45	44.37	43.76	56.21	63.08	67.91	69.57	60.62	52.37	35.72	35.02
2008	28.05	30.94	36.53	43.16	52.03	65.54	64.57	M	M	46.52	33.35	28.57
2009	23.75	31.23	40.77	47.00	56.95	59.80	M	M	M	M	M	M
2010	M	M	M	M	60.77	67.97	68.48	67.50	55.93	42.63	35.27	23.34
2011	23.14	29.15	40.46	49.38	50.68	61.48	69.23	64.89	55.42	41.83	37.60	26.82
2012	29.24	21.11	45.95	47.13	59.98	60.95	70.28	64.80	58.87	45.96	33.27	36.31
2013	19.54	12.70	32.55	44.44	40.89	63.05	38.10	51.36	38.12	34.01	20.82	16.21
2014	-0.39	13.20	11.67	12.65	43.61	55.47	51.79	50.90	51.81	44.61	31.20	32.84
2015	24.14	18.62	35.37	47.44	56.71	65.31	69.56	62.21	58.43	47.34	41.96	40.66
2016	22.88	31.09	42.53	45.83	53.33	64.65	69.63	69.36	60.49	51.79	38.81	30.05
2017	36.08	37.72	38.24	52.71	56.78	62.67	68.70	64.14	59.38	48.05	36.62	26.86
2018	21.96	38.19	36.05	40.17	61.44	66.07	66.95	66.69	64.07	48.75	33.31	33.45
2019	32.50	39.86	33.83	46.13	59.11	62.74	67.46	64.31	61.30	46.62	30.76	34.97
2020	32.15	31.11	42.31	42.04	52.12	61.69	68.67	65.21	57.75	46.74	36.80	27.80
2021	28.52	25.84	38.75	42.75	51.09	65.09	66.66	67.20	57.47	52.28	30.73	37.80
2022	21.28	28.06	37.34	44.13	57.74	62.20	69.77	65.95	56.98	42.10	36.00	29.35
2023	33.69	36.17	36.90	42.87	54.21	59.40	67.54	65.05	57.01	47.49	35.10	32.50
2024	25.24	33.49	40.07	50.01	57.91	63.95	67.93	64.66	60.14	46.56	43.56	32.53
2025	19.65	29.01	38.76	48.38	55.36	65.97	70.38	M	M	M	M	M
NCEI Climatology	29.00	31.44	39.00	46.50	56.20	64.00	67.90	65.80	58.70	48.00	38.49	32.30

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	M	M	M	M	65.69	52.11	38.28
2005	41.66	42.86	44.32	57.60	63.13	74.94	78.41	78.68	72.30	58.83	49.25	35.63
2006	44.77	38.49	47.91	61.34	61.97	M	M	75.90	66.20	55.37	49.04	43.32
2007	39.08	33.24	55.84	54.77	68.55	74.93	76.91	82.05	72.95	63.58	46.70	43.35
2008	36.22	39.36	47.68	56.90	65.45	75.95	75.71	M	M	58.28	44.09	38.50
2009	32.26	41.19	50.32	57.11	65.49	68.80	M	M	M	M	M	M
2010	M	M	M	M	70.26	78.79	79.46	78.87	70.43	58.70	47.83	30.82
2011	31.28	39.83	49.40	60.75	65.44	74.03	80.11	76.35	69.19	56.90	50.85	42.68
2012	39.85	38.88	58.57	59.43	70.95	73.93	81.93	75.63	68.64	56.61	45.16	45.90
2013	39.91	41.50	41.21	56.80	61.16	73.90	65.05	69.32	65.12	63.07	56.47	49.03
2014	29.93	33.43	41.51	46.03	64.30	72.34	72.23	71.96	70.78	58.86	40.87	40.30
2015	33.48	28.24	46.51	58.66	68.29	75.04	77.60	72.75	70.77	58.75	52.23	49.81
2016	33.04	40.05	53.03	58.38	63.84	76.18	79.15	78.59	72.71	64.56	51.18	38.39
2017	43.16	48.04	49.17	63.24	66.71	72.93	78.83	74.72	69.91	60.10	47.87	36.00
2018	32.26	46.45	45.44	51.62	73.10	77.46	77.80	77.02	73.70	60.14	42.68	41.86
2019	37.94	46.08	44.43	58.73	69.63	73.33	77.87	76.21	75.85	59.02	42.02	43.95
2020	40.24	39.87	51.82	54.16	63.33	73.36	78.72	74.82	68.24	58.02	49.76	38.22
2021	36.62	33.73	51.01	55.00	62.83	74.96	76.95	77.20	68.31	62.50	43.48	49.22
2022	31.56	39.45	49.69	55.22	68.29	75.01	80.00	76.43	69.02	55.88	47.69	38.67
2023	43.01	46.86	47.95	56.21	65.23	70.80	77.06	74.69	69.66	59.13	48.04	42.42
2024	33.03	45.68	51.70	60.05	67.81	74.87	77.32	75.82	71.26	60.56	52.04	41.52
2025	29.36	39.89	51.37	60.20	64.48	75.73	79.75	M	M	M	M	M
NCEI Climatology	38.10	42.00	50.30	59.65	68.46	75.65	79.10	77.85	71.25	60.75	49.45	41.41

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	M	M	M	60.6%	60.0%	59.5%
2005	59.1%	58.6%	53.9%	55.1%	56.6%	62.0%	63.8%	64.1%	61.1%	53.0%	41.6%	48.0%
2006	49.9%	46.3%	52.4%	57.3%	68.0%	M	M	60.6%	52.3%	58.1%	63.0%	64.7%
2007	68.1%	61.5%	60.1%	53.4%	62.1%	71.3%	72.6%	74.7%	80.2%	84.7%	62.3%	72.1%
2008	64.4%	68.1%	67.8%	61.7%	59.5%	50.8%	60.1%	M	M	59.1%	69.2%	71.2%
2009	70.5%	63.6%	66.2%	67.3%	76.7%	89.6%	M	M	M	M	M	M
2010	M	M	M	M	78.6%	75.8%	74.2%	74.7%	68.4%	60.9%	73.4%	78.8%
2011	79.8%	74.2%	69.7%	68.2%	79.3%	74.4%	81.0%	74.5%	79.3%	71.6%	73.6%	79.1%
2012	72.9%	72.5%	64.4%	63.6%	73.1%	62.6%	71.8%	75.0%	76.9%	69.1%	67.7%	77.5%
2013	49.9%	47.4%	72.2%	64.4%	72.6%	75.5%	80.8%	82.4%	80.8%	81.0%	69.6%	77.3%
2014	65.7%	68.7%	65.3%	63.8%	68.5%	75.4%	70.0%	79.3%	77.9%	79.2%	68.3%	82.2%
2015	72.8%	65.1%	71.9%	69.7%	71.1%	77.1%	80.9%	80.8%	76.7%	75.4%	74.6%	80.5%
2016	73.6%	73.3%	68.6%	61.8%	77.0%	72.8%	81.4%	83.0%	78.9%	71.8%	69.8%	78.1%
2017	78.0%	67.8%	64.5%	69.8%	75.5%	74.5%	76.8%	77.6%	79.4%	76.1%	75.2%	72.4%
2018	69.8%	79.1%	72.1%	67.0%	72.2%	72.4%	72.9%	76.4%	79.6%	75.7%	79.7%	79.0%
2019	75.4%	76.8%	63.1%	66.4%	72.9%	72.8%	76.7%	75.6%	66.1%	75.7%	75.8%	75.3%
2020	74.3%	73.9%	73.1%	63.7%	56.5%	54.9%	83.7%	87.2%	84.7%	83.8%	72.0%	77.4%
2021	79.5%	80.5%	66.3%	67.0%	72.7%	73.8%	81.3%	83.9%	86.0%	84.6%	73.3%	78.5%
2022	74.8%	70.3%	64.4%	69.7%	77.1%	70.0%	80.3%	81.8%	77.4%	67.2%	71.2%	78.4%
2023	79.9%	71.2%	67.8%	65.5%	74.7%	76.9%	83.7%	85.4%	80.7%	78.8%	70.6%	79.4%
2024	81.8%	70.0%	68.7%	69.4%	84.1%	77.7%	83.2%	77.5%	78.4%	73.4%	78.7%	74.8%
2025	72.3%	74.9%	59.7%	71.2%	79.4%	82.7%	84.0%	M	M	M	M	M