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 (USC00449151) 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	3.20	2.67	5.12	6.88	5.07	1.97	1.57	3.17
2004	1.42	1.23	0.53	2.15	1.07	5.22	6.78	6.40	1.34	0.00	1.76	2.20
2005	1.48	1.14	2.33	2.27	2.00	0.00	2.40	3.96	0.00	0.69	1.86	2.50
2006	2.13	1.00	0.18	3.24	3.21	2.30	0.00	0.00	0.28	7.23	3.59	0.90
2007	1.94	1.43	1.44	3.24	1.58	1.73	3.44	5.22	1.74	3.26	0.47	1.81
2008	1.22	2.60	2.52	3.44	0.44	0.37	0.34	0.68	3.86	0.89	2.49	2.69
2009	0.82	0.63	2.91	1.63	4.54	1.94	3.49	2.44	3.89	2.07	5.73	5.15
2010	3.99	2.62	3.92	0.90	1.98	0.93	1.38	1.11	9.03	1.55	0.47	2.17
2011	2.05	1.26	2.06	0.72	1.41	4.62	7.98	7.70	8.55	2.12	2.16	1.24
2012	1.80	2.08	1.49	2.75	2.59	3.12	6.08	5.34	2.74	6.09	0.32	2.71
2013	5.83	3.94	3.62	3.82	5.48	9.81	7.30	6.69	0.98	3.37	2.53	5.81
2014	3.24	2.33	3.73	6.88	2.57	2.64	4.62	2.49	3.88	1.58	2.90	3.40
2015	2.33	2.71	3.14	2.46	M	7.21	4.62	0.94	3.20	2.67	1.05	0.16
2016	2.66	4.27	1.82	1.48	5.60	3.61	2.93	1.75	4.69	3.82	0.93	1.91
2017	3.17	1.07	4.36	2.33	4.12	3.05	2.50	7.19	1.41	3.21	0.83	1.68
2018	4.02	1.51	2.36	1.94	2.32	1.96	7.52	4.23	3.34	3.92	4.81	3.00
2019	2.79	3.36	3.15	4.34	2.19	4.88	4.74	4.15	1.02	3.70	1.81	2.67
2020	2.61	4.44	2.39	4.03	1.15	0.02	2.98	9.94	12.59	3.69	3.66	6.24
2021	4.41	5.82	3.85	1.72	1.03	3.42	5.19	5.56	2.50	3.22	0.59	0.49
2022	5.22	1.21	5.02	2.22	3.19	2.07	3.25	M	0.23	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	2.52	2.56	2.99	0.29	2.35	2.04
2025	1.91	4.83	2.81	3.66	7.06	2.45	M	M	M	M	M	M
NCEI Climatology	3.77	3.16	4.25	3.98	3.89	4.16	5.92	5.68	5.40	4.21	3.13	3.80

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	0.0	0.4	5.0	3.4	4.1	4.6	5.3	6.5
2004	4.9	4.7	5.3	6.7	5.6	4.4	3.6	3.9	3.5	3.5	4.2	6.3
2005	5.8	5.2	6.2	6.9	4.9	4.2	3.4	2.8	3.4	4.9	5.6	5.3
2006	6.7	6.5	6.9	5.6	5.1	4.6	4.3	3.7	3.8	4.9	5.4	4.8
2007	6.6	6.6	6.5	6.6	4.7	4.4	4.2	3.5	3.6	3.7	4.7	5.3
2008	6.1	7.2	7.8	5.5	4.8	4.8	4.6	4.1	4.2	4.3	5.7	6.3
2009	5.7	7.9	5.9	6.9	4.8	4.4	4.4	3.8	3.6	5.0	5.0	5.8
2010	6.8	7.6	6.6	5.8	5.3	5.0	5.3	3.8	5.4	5.2	5.9	7.6
2011	6.1	8.0	6.9	8.4	6.2	5.7	1.6	2.2	2.9	5.1	5.7	5.2
2012	6.5	6.2	5.5	5.8	4.6	4.3	3.4	3.5	3.8	4.8	4.9	5.3
2013	4.8	6.4	7.5	6.1	5.4	5.5	4.4	3.6	3.2	4.3	5.2	4.9
2014	6.3	5.2	7.2	6.2	4.7	3.9	4.9	2.9	3.2	5.7	5.4	4.4
2015	5.3	6.7	5.5	5.7	5.1	4.7	4.0	3.3	3.3	4.0	3.7	4.3
2016	5.5	6.3	5.7	5.0	3.4	3.6	3.2	3.2	3.4	3.3	3.1	3.6
2017	4.1	3.7	5.2	3.8	3.6	2.0	2.0	1.3	2.6	3.5	2.0	2.8
2018	3.9	3.9	5.9	5.8	2.7	2.0	2.2	3.6	2.4	3.3	3.1	2.4
2019	3.8	2.4	3.6	4.7	3.3	2.8	1.3	0.9	1.0	2.3	2.9	2.2
2020	3.5	2.9	3.0	4.7	3.2	2.0	0.7	1.7	0.9	1.4	2.6	3.6
2021	2.9	3.9	5.4	6.1	4.5	4.4	4.3	2.9	4.0	4.1	4.9	3.9
2022	5.9	5.6	7.0	6.5	4.4	4.6	3.6	0.6	22.6	0.1	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	4.7	4.7	4.0	4.1	5.4	6.0
2025	6.7	6.4	7.8	7.1	6.0	4.2	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	76.00	74.99	83.07	84.85	85.81	78.07	69.63	67.31	51.74
2004	42.55	50.79	61.32	70.76	84.19	84.11	87.92	85.24	80.75	69.13	62.89	53.16
2005	50.37	52.04	55.95	71.26	75.04	86.29	92.09	90.71	86.80	71.94	66.14	50.55
2006	56.45	53.09	62.83	74.36	79.79	85.67	91.81	92.56	80.17	71.14	64.04	59.64
2007	55.34	47.04	65.27	70.64	79.50	88.64	91.46	92.27	86.60	84.84	69.74	57.08
2008	51.80	58.07	65.10	69.98	78.42	92.60	91.92	89.05	83.72	71.25	58.34	55.69
2009	46.11	54.95	58.25	72.68	80.25	86.36	88.90	90.35	80.54	71.66	63.80	50.70
2010	46.81	46.72	65.27	77.66	83.50	94.22	97.03	91.52	87.08	75.37	64.58	44.72
2011	45.94	59.13	61.26	76.46	83.39	91.28	94.94	92.87	84.45	73.16	66.39	59.35
2012	55.69	57.57	71.72	72.44	83.21	88.25	94.00	88.15	82.76	71.60	58.76	58.13
2013	51.80	50.71	54.99	72.56	78.34	85.76	90.01	85.88	82.88	73.05	61.16	55.98
2014	46.86	51.53	58.30	72.14	82.75	89.06	89.43	87.63	83.12	75.84	59.72	55.40
2015	48.80	44.09	61.88	73.34	84.66	90.32	91.81	91.05	87.20	72.88	67.82	66.20
2016	50.87	55.77	69.22	70.98	75.66	86.90	93.03	93.32	86.06	76.30	65.24	53.77
2017	52.61	64.01	61.61	78.14	78.10	87.62	93.90	88.15	83.96	76.88	63.32	52.09
2018	50.41	63.31	57.14	70.52	85.13	88.34	89.95	91.05	86.84	74.74	58.49	54.24
2019	51.05	56.62	59.75	74.72	85.25	87.14	92.85	89.31	87.02	76.13	58.22	57.20
2020	55.75	56.95	66.66	69.86	74.97	83.75	96.27	88.67	79.34	73.34	67.52	53.60
2021	49.59	48.01	65.10	72.80	79.55	86.54	89.72	89.66	84.74	77.17	62.12	61.55
2022	49.36	57.91	65.50	72.74	78.68	88.04	89.96	93.20	69.80	57.20	M	55.40
2023	M	48.20	M	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	86.58	86.69	80.07	73.24	64.58	52.64
2025	44.04	51.39	65.29	73.52	78.27	84.02	M	M	M	M	M	M
NCEI Climatology	49.11	52.40	59.80	70.00	77.20	84.40	88.51	86.51	80.49	71.00	61.10	52.61

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	54.40	57.47	67.00	68.69	69.65	63.70	50.50	45.21	32.10
2004	30.03	32.45	42.06	50.00	64.87	67.01	71.60	68.26	64.17	52.58	43.02	33.45
2005	31.85	32.27	35.65	48.39	53.90	67.90	74.10	73.19	66.53	54.32	44.14	31.43
2006	37.52	32.51	39.84	51.20	56.50	66.67	72.94	72.88	62.91	51.74	45.50	38.04
2007	36.47	28.98	41.41	47.66	57.61	67.76	70.21	72.65	65.06	60.63	42.38	38.45
2008	32.70	36.03	41.99	50.30	55.70	69.02	70.85	68.95	65.48	49.36	41.00	37.17
2009	28.23	32.77	38.74	50.72	61.03	68.48	69.45	72.65	63.50	52.73	46.64	33.28
2010	28.69	28.40	43.03	51.98	62.95	73.52	73.98	72.76	65.30	54.18	43.04	28.28
2011	30.03	36.95	41.64	54.80	62.08	70.88	75.26	73.80	69.61	54.44	45.84	38.56
2012	35.08	35.85	49.48	49.88	63.01	65.81	75.13	72.06	62.72	53.83	37.88	39.08
2013	33.80	33.41	35.54	50.60	58.65	68.48	73.69	68.64	61.58	54.99	39.50	36.12
2014	25.03	32.40	36.01	49.28	61.09	68.12	71.14	69.22	67.04	55.05	39.26	37.98
2015	31.34	24.61	39.32	51.02	63.59	71.66	74.04	70.67	68.00	53.54	47.48	48.55
2016	31.88	35.60	46.98	48.27	58.19	67.28	74.33	74.33	69.92	55.75	41.78	36.06
2017	36.18	39.52	40.19	56.66	58.36	68.36	74.21	70.44	64.70	56.79	41.84	32.99
2018	26.77	39.65	36.88	47.06	65.50	69.92	71.43	72.59	72.38	55.46	41.39	37.17
2019	32.64	36.56	39.32	53.84	64.34	68.18	72.65	70.96	67.88	58.19	39.44	37.28
2020	36.82	39.14	47.74	48.14	56.79	66.87	76.15	73.40	64.34	56.50	46.34	34.61
2021	32.70	33.74	42.80	48.74	55.86	68.36	72.12	73.23	65.12	59.41	39.80	41.75
2022	30.08	35.15	44.08	49.04	61.21	66.80	72.08	82.40	66.20	50.00	M	55.40
2023	M	48.20	M	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	71.59	68.67	63.78	49.83	44.45	33.72
2025	25.01	32.51	42.81	50.94	60.31	66.14	M	M	M	M	M	M
NCEI Climatology	30.60	32.08	38.50	47.70	57.00	65.30	70.20	68.70	63.10	51.30	40.90	34.10

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	65.20	66.23	75.03	76.77	77.73	70.89	60.06	56.26	41.92
2004	36.29	41.62	51.69	60.38	74.53	75.56	79.76	76.75	72.46	60.85	52.95	43.30
2005	41.11	42.16	45.80	59.83	64.47	77.09	83.10	81.95	76.67	63.13	55.14	40.99
2006	46.98	42.80	51.34	62.78	68.15	76.17	82.37	82.72	71.54	61.44	54.77	48.84
2007	45.91	38.01	53.34	59.15	68.55	78.20	80.83	82.46	75.83	72.73	56.06	47.76
2008	42.25	47.05	53.54	60.14	67.06	80.81	81.38	79.00	74.60	60.31	49.67	46.43
2009	37.17	43.86	48.49	61.70	70.64	77.42	79.18	81.50	72.02	62.19	55.22	41.99
2010	37.75	37.56	54.15	64.82	73.23	83.87	85.51	82.14	76.19	64.78	53.81	36.50
2011	37.98	48.04	51.45	65.63	72.73	81.08	85.10	83.33	77.03	63.80	56.11	48.95
2012	45.38	46.71	60.60	61.16	73.11	77.03	84.57	80.11	72.74	62.72	48.32	48.61
2013	42.80	42.06	45.27	61.58	68.49	77.12	81.85	77.26	72.23	64.02	50.33	46.05
2014	35.95	41.97	47.15	60.71	71.92	78.59	80.28	78.42	75.08	65.45	49.49	46.69
2015	40.07	34.35	50.60	62.18	74.13	80.99	82.92	80.86	77.60	63.21	57.65	57.37
2016	41.38	45.69	58.10	59.62	66.93	77.09	83.68	83.82	77.99	66.03	53.51	44.92
2017	44.40	51.77	50.90	67.40	68.23	77.99	84.05	79.29	74.33	66.84	52.58	42.54
2018	38.59	51.48	47.01	58.79	75.32	79.13	80.69	81.82	79.61	65.10	49.94	45.70
2019	41.84	46.59	49.54	64.28	74.79	77.66	82.75	80.14	77.45	67.16	48.83	47.24
2020	46.28	48.04	57.20	59.00	65.88	75.31	86.21	81.04	71.84	64.92	56.93	44.11
2021	41.15	40.87	53.95	60.77	67.71	77.45	80.92	81.44	74.93	68.29	50.96	51.65
2022	39.72	46.53	54.79	60.89	69.95	77.42	81.02	87.80	68.00	53.60	M	55.40
2023	M	48.20	M	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	79.08	77.68	71.92	61.54	54.51	43.18
2025	34.53	41.95	54.05	62.23	69.29	75.08	M	M	M	M	M	M
NCEI Climatology	39.85	42.24	49.15	58.85	67.10	74.85	79.35	77.60	71.80	61.15	51.00	43.35

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	76.5%	77.6%	82.5%	82.9%	75.2%	73.3%	68.1%
2004	58.6%	60.4%	64.2%	63.7%	69.6%	75.0%	80.3%	80.8%	85.5%	83.7%	74.7%	65.2%
2005	72.6%	70.7%	67.8%	60.7%	70.8%	75.2%	77.0%	79.6%	76.3%	83.2%	69.1%	71.0%
2006	70.9%	59.3%	54.0%	63.9%	67.9%	73.7%	74.3%	72.9%	80.9%	76.0%	80.6%	71.5%
2007	66.2%	55.7%	58.8%	62.9%	69.6%	70.2%	70.2%	75.6%	75.0%	78.8%	70.4%	75.7%
2008	65.7%	66.3%	58.9%	75.4%	63.7%	64.5%	69.2%	67.0%	75.9%	74.1%	70.3%	70.5%
2009	64.6%	54.7%	69.2%	61.8%	76.1%	73.5%	70.2%	76.3%	78.4%	76.8%	80.5%	71.7%
2010	63.2%	66.0%	63.3%	59.7%	68.0%	65.9%	61.6%	70.3%	63.4%	72.3%	73.0%	64.3%
2011	68.8%	60.4%	68.0%	65.6%	70.9%	68.3%	70.4%	71.8%	81.0%	73.6%	73.2%	71.7%
2012	64.0%	68.9%	70.2%	62.5%	75.2%	68.7%	72.1%	79.4%	76.5%	78.6%	72.1%	74.7%
2013	73.9%	65.6%	63.2%	65.9%	71.8%	77.0%	77.9%	79.9%	75.7%	79.3%	67.9%	76.8%
2014	64.9%	69.0%	65.5%	65.8%	69.4%	73.1%	72.7%	77.5%	78.6%	73.6%	69.6%	77.6%
2015	67.9%	61.5%	67.7%	67.2%	70.2%	76.9%	76.2%	74.6%	80.1%	79.9%	80.7%	84.9%
2016	66.5%	67.6%	68.2%	64.7%	81.8%	73.9%	77.9%	75.4%	79.5%	78.3%	74.9%	71.1%
2017	75.3%	63.0%	59.8%	69.0%	75.6%	72.9%	72.2%	79.4%	80.1%	81.8%	76.7%	68.8%
2018	66.9%	74.9%	61.3%	58.5%	73.0%	73.4%	73.6%	75.9%	81.8%	73.5%	78.3%	81.6%
2019	70.3%	73.7%	68.3%	69.5%	72.0%	75.3%	74.4%	78.9%	78.6%	79.5%	73.0%	77.8%
2020	71.8%	70.8%	68.4%	66.8%	72.3%	73.7%	72.7%	83.1%	84.8%	85.9%	77.5%	74.7%
2021	71.4%	77.2%	66.0%	63.1%	65.8%	77.4%	76.1%	81.8%	77.2%	79.3%	67.8%	74.2%
2022	68.3%	68.7%	63.2%	62.6%	78.7%	68.6%	77.1%	51.3%	88.4%	99.6%	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	79.6%	78.9%	84.4%	78.5%	79.6%	76.3%
2025	65.8%	72.6%	64.0%	71.8%	81.6%	87.1%	M	M	M	M	M	M