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 (USW00003856) 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	0.00	0.00	0.00	0.00
2005	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2006	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2007	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2008	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2009	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	1.71	0.00	0.00
2010	0.00	0.00	1.21	3.08	0.74	1.59	11.72	0.00	9.23	0.00	0.00	0.00
2011	0.00	0.00	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	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2013	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M	M
2014	M	M	M	M	M	M	M	M	M	0.02	2.73	5.08
2015	4.20	3.67	5.58	8.46	2.88	0.35	0.37	5.52	89.52	62.34	7.55	9.57
2016	3.10	6.20	4.15	2.45	1.59	2.52	0.59	2.41	1.02	0.23	5.18	5.27
2017	5.47	2.36	4.45	3.58	4.93	5.11	6.07	4.50	2.92	5.49	0.84	3.35
2018	0.88	9.36	2.88	7.74	4.21	0.12	1.35	2.03	5.13	1.57	5.40	8.91
2019	5.96	9.89	3.50	6.55	3.49	4.15	4.09	3.00	0.08	4.73	4.91	6.87
2020	7.72	9.88	8.75	7.01	3.25	3.97	4.68	4.49	4.29	4.39	1.88	2.45
2021	1.76	5.15	10.78	2.69	4.72	2.57	0.00	2.42	6.77	2.94	1.58	4.55
2022	3.22	6.45	7.51	4.44	2.66	0.05	0.22	M	M	M	M	M
2023	3.92	4.42	5.88	3.16	2.15	3.66	4.10	7.32	0.36	0.34	0.07	M
2024	M	M	0.02	0.85	4.88	2.54	3.26	0.00	0.00	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	4.99	5.31	5.39	4.86	4.67	4.06	4.49	3.55	3.49	3.56	4.25	5.87

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	6.8	3.9	5.9	5.6
2005	5.9	6.1	6.2	4.6	3.2	3.9	3.2	2.8	3.0	4.5	6.7	5.8
2006	6.5	5.5	7.7	4.9	4.6	3.3	4.2	3.1	4.5	4.8	6.8	5.5
2007	5.5	6.6	4.9	5.7	5.0	4.4	3.2	1.9	3.1	5.1	4.7	5.0
2008	6.0	6.6	7.1	6.6	4.6	4.4	3.3	3.2	5.4	4.3	4.2	7.8
2009	6.2	7.0	6.5	7.4	5.8	4.2	4.2	3.1	4.2	5.0	4.3	7.0
2010	4.3	5.3	5.7	5.8	5.6	4.4	3.5	3.5	4.1	5.3	6.5	7.1
2011	5.9	8.4	6.8	8.0	5.8	5.5	0.5	2.0	3.7	2.7	5.6	4.2
2012	3.6	4.3	5.7	3.5	1.1	1.8	1.6	1.2	1.8	2.0	1.7	4.5
2013	4.3	4.1	4.5	5.2	4.7	2.6	1.7	1.5	1.6	2.7	6.5	4.4
2014	6.1	5.8	5.5	5.6	3.6	2.5	1.9	1.4	2.5	4.1	8.3	7.2
2015	7.6	9.3	7.7	7.6	5.8	5.8	5.5	5.2	4.5	6.2	5.9	6.6
2016	6.9	7.6	7.9	6.8	5.3	4.8	4.9	4.6	5.0	5.1	5.1	7.1
2017	7.4	7.0	7.7	6.5	5.8	4.5	3.4	4.3	4.1	5.9	5.7	6.1
2018	7.6	7.8	7.5	7.1	4.1	3.8	3.7	4.2	4.3	5.2	6.3	6.0
2019	6.6	7.2	7.6	5.9	5.0	5.3	3.8	3.0	3.5	5.1	5.6	6.3
2020	6.6	7.0	6.9	6.5	5.1	5.4	3.0	3.8	4.8	4.9	5.4	5.5
2021	6.6	8.0	7.0	5.8	5.5	4.9	3.7	3.6	3.3	4.5	4.9	6.2
2022	7.0	7.2	7.4	6.8	6.0	4.2	3.9	3.0	4.4	6.2	4.5	6.7
2023	7.2	7.5	7.3	6.2	5.1	4.4	3.7	3.9	3.7	4.4	4.3	4.4
2024	6.8	7.6	5.5	5.8	4.2	3.6	3.2	3.6	4.9	4.6	10.8	6.0
2025	6.0	6.4	7.2	6.4	5.6	9.3	3.8	4.1	7.5	4.5	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	78.65	82.00	76.97	65.60	52.78
2005	57.47	59.84	58.28	73.52	80.05	90.07	90.60	91.58	85.06	73.94	63.55	47.09
2006	56.69	54.74	63.62	79.07	79.74	89.60	94.73	92.42	79.70	70.06	61.46	55.58
2007	48.47	51.32	74.55	70.21	86.26	93.89	91.49	97.97	86.57	75.77	63.45	58.72
2008	49.14	55.31	64.74	73.56	79.31	92.17	93.20	88.74	83.14	70.29	58.40	52.06
2009	47.25	55.21	63.17	71.27	79.14	90.77	87.96	88.66	83.16	69.77	62.73	51.06
2010	46.26	43.75	59.54	76.81	82.48	89.53	92.91	93.52	88.22	74.61	61.02	44.74
2011	44.30	60.40	62.68	75.58	79.70	92.87	92.21	91.18	77.60	71.51	60.89	55.31
2012	56.39	58.23	74.55	73.23	82.40	87.96	90.11	87.02	82.31	71.60	60.08	56.84
2013	49.91	53.03	53.17	69.96	76.67	86.00	84.77	85.35	83.75	70.25	57.20	52.05
2014	38.94	49.00	57.69	70.23	79.14	84.46	83.95	88.91	84.54	74.25	57.57	53.43
2015	49.00	44.98	64.14	73.09	81.31	88.85	90.11	86.67	82.81	73.52	66.49	62.87
2016	48.57	55.67	68.04	73.74	78.99	89.91	90.60	91.30	90.04	82.05	70.04	55.53
2017	58.05	62.40	65.48	77.91	79.71	84.46	89.54	86.37	81.51	74.06	64.27	51.83
2018	47.42	63.17	61.29	68.32	84.90	87.82	89.74	89.63	88.04	74.87	56.17	53.62
2019	49.99	59.38	60.40	73.65	82.84	85.98	88.14	87.24	91.28	74.98	60.07	58.16
2020	54.77	56.79	68.51	69.67	75.82	84.79	89.01	86.46	81.67	74.45	66.32	53.82
2021	51.84	50.77	67.66	70.77	77.69	85.31	87.07	87.24	82.11	73.43	61.58	64.55
2022	50.88	59.39	66.34	72.01	82.85	90.19	93.78	87.08	82.06	70.08	64.59	56.12
2023	57.24	63.43	65.73	71.43	79.44	85.85	89.18	89.26	85.88	72.05	61.13	55.94
2024	54.87	64.13	64.20	69.89	81.63	88.42	86.76	91.30	82.03	77.08	66.20	55.22
2025	47.16	58.44	67.57	74.30	81.85	87.46	94.40	86.65	86.72	73.65	M	M
NCEI Climatology	52.30	57.23	65.50	74.80	82.50	89.10	91.50	91.30	86.49	76.00	63.91	55.00

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	75.80	66.02	61.80	54.40	39.43
2005	45.17	43.63	44.88	56.00	60.50	70.59	74.31	73.82	66.04	54.41	49.34	33.71
2006	43.06	39.86	49.30	60.26	62.52	70.11	75.20	74.42	62.15	54.80	46.87	42.53
2007	36.05	37.59	54.91	52.70	66.77	73.49	71.17	77.00	68.85	59.49	47.82	44.69
2008	36.89	41.63	46.66	55.01	62.09	72.97	73.24	71.17	66.61	52.13	43.56	39.54
2009	34.07	40.72	47.87	54.09	64.66	73.56	72.25	71.51	66.59	53.10	44.69	39.04
2010	29.79	33.04	42.08	50.59	63.32	71.23	72.48	72.93	65.54	52.74	47.48	32.72
2011	32.80	42.30	47.73	57.86	63.05	74.55	76.55	74.22	62.26	50.63	48.54	43.14
2012	41.27	45.11	57.20	55.14	66.94	70.29	75.54	70.97	63.07	52.21	40.37	43.07
2013	40.06	41.00	36.37	54.99	63.83	72.50	72.34	71.76	67.28	53.24	42.71	36.99
2014	24.80	36.60	39.28	54.37	64.91	71.86	71.27	71.34	67.74	55.04	33.85	37.99
2015	30.26	25.58	42.41	51.91	59.31	66.13	70.91	67.09	62.59	51.79	48.46	45.62
2016	30.03	36.01	47.01	52.23	57.68	67.20	71.36	71.41	65.55	55.05	43.43	36.07
2017	41.63	41.89	43.69	54.91	57.86	65.52	70.20	67.87	60.03	52.55	42.49	32.66
2018	26.93	43.80	41.22	45.29	62.77	67.22	69.94	68.94	69.08	54.55	37.62	38.02
2019	37.80	47.93	41.35	50.94	62.15	66.52	69.98	68.86	67.86	53.93	35.98	40.36
2020	38.17	37.26	50.27	47.16	55.67	65.98	70.58	69.23	62.94	53.30	43.10	33.01
2021	33.82	32.93	45.97	48.30	56.38	67.05	69.51	70.19	62.68	55.40	36.53	43.25
2022	27.36	34.15	42.52	48.83	61.79	67.27	73.20	74.93	63.46	51.99	48.48	46.40
2023	38.19	42.45	43.62	48.31	58.23	64.87	69.85	69.57	62.95	53.74	44.12	39.05
2024	41.95	46.76	49.28	53.79	63.21	69.00	71.92	69.14	67.05	56.46	56.44	43.88
2025	34.08	42.24	48.29	60.55	70.91	75.09	81.89	71.68	67.91	56.63	M	M
NCEI Climatology	33.09	36.50	43.00	51.00	60.21	68.00	71.11	69.70	63.40	51.81	41.20	35.90

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	77.22	74.01	69.38	60.00	46.10
2005	51.32	51.74	51.58	64.76	70.28	80.33	82.45	82.70	75.55	64.17	56.44	40.40
2006	49.87	47.30	56.46	69.67	71.13	79.86	84.96	83.42	70.93	62.43	54.17	49.06
2007	42.26	44.45	64.73	61.45	76.52	83.69	81.33	87.49	77.71	67.63	55.64	51.71
2008	43.01	48.47	55.70	64.28	70.70	82.57	83.22	79.96	74.87	61.21	50.65	45.80
2009	40.43	47.96	55.52	62.68	71.90	82.17	80.11	80.09	74.88	61.43	53.71	45.05
2010	38.03	38.39	50.81	63.70	72.90	80.38	82.69	83.22	76.88	63.67	54.25	38.73
2011	38.55	51.35	55.20	66.72	71.38	83.71	84.38	82.70	69.93	61.07	54.71	49.23
2012	48.83	51.67	65.87	64.19	74.67	79.13	82.83	79.00	72.69	61.90	50.22	49.96
2013	44.99	47.02	44.77	62.48	70.25	79.25	78.55	78.55	75.51	61.74	49.95	44.52
2014	31.87	42.80	48.49	62.30	72.03	78.16	77.61	80.13	76.14	64.65	45.71	45.71
2015	39.63	35.28	53.27	62.50	70.31	77.49	80.51	76.88	72.70	62.66	57.48	54.24
2016	39.30	45.84	57.52	62.98	68.33	78.55	80.98	81.36	77.79	68.55	56.74	45.80
2017	49.84	52.14	54.59	66.41	68.79	74.99	79.87	77.12	70.77	63.31	53.38	42.25
2018	37.17	53.48	51.25	56.80	73.84	77.52	79.84	79.29	78.56	64.71	46.89	45.82
2019	43.90	53.65	50.87	62.29	72.49	76.25	79.06	78.05	79.57	64.45	48.02	49.26
2020	46.47	47.03	59.39	58.41	65.74	75.38	79.79	77.85	72.30	63.88	54.71	43.41
2021	42.83	41.85	56.82	59.54	67.04	76.18	78.29	78.72	72.39	64.41	49.05	53.90
2022	39.12	46.77	54.43	60.42	72.32	78.73	83.49	81.01	72.76	61.04	56.54	51.26
2023	47.71	52.94	54.67	59.87	68.83	75.36	79.51	79.41	74.42	62.90	52.63	47.50
2024	48.41	55.45	56.74	61.84	72.42	78.71	79.34	80.22	74.54	66.77	61.32	49.55
2025	40.62	50.34	57.93	67.43	76.38	81.28	88.14	79.17	77.32	65.14	M	M
NCEI Climatology	42.70	46.87	54.25	62.90	71.36	78.55	81.31	80.50	74.94	63.90	52.55	45.45

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	72.1%	74.0%	69.4%	64.6%
2005	61.0%	66.3%	59.0%	65.7%	61.0%	71.3%	76.6%	75.6%	74.8%	68.5%	63.3%	62.4%
2006	67.8%	57.9%	57.0%	59.0%	64.8%	61.4%	62.8%	70.4%	69.4%	67.9%	69.7%	62.2%
2007	57.6%	51.7%	54.2%	58.8%	53.4%	58.3%	70.7%	63.6%	69.7%	68.8%	60.0%	67.1%
2008	59.0%	62.0%	62.0%	62.7%	68.3%	64.2%	67.7%	73.2%	71.7%	68.3%	62.3%	71.9%
2009	64.3%	57.5%	74.4%	61.0%	70.4%	63.3%	72.4%	77.5%	80.5%	78.5%	66.9%	65.2%
2010	59.8%	61.4%	68.7%	59.1%	72.1%	74.3%	65.2%	64.0%	61.2%	60.5%	67.2%	58.9%
2011	68.4%	60.9%	65.9%	69.6%	67.3%	66.8%	74.7%	67.5%	76.2%	73.1%	73.1%	77.7%
2012	73.0%	70.8%	65.8%	68.7%	69.2%	62.9%	72.9%	74.0%	72.5%	75.0%	70.2%	73.1%
2013	76.0%	68.7%	62.9%	66.5%	69.9%	70.4%	76.8%	77.4%	73.5%	74.7%	61.6%	76.0%
2014	62.6%	69.3%	66.0%	66.8%	68.9%	76.8%	72.1%	70.3%	74.9%	76.6%	65.7%	81.1%
2015	69.3%	65.4%	75.0%	72.2%	71.9%	73.8%	77.5%	76.6%	78.2%	73.7%	74.0%	80.4%
2016	70.5%	66.9%	64.3%	61.7%	68.1%	70.3%	75.9%	77.4%	65.9%	60.9%	60.9%	73.4%
2017	74.1%	69.8%	64.7%	67.9%	74.4%	77.8%	80.2%	79.7%	79.4%	74.5%	74.7%	73.9%
2018	63.4%	81.6%	61.1%	64.4%	73.6%	76.8%	75.9%	74.0%	75.8%	74.0%	80.4%	79.8%
2019	73.2%	75.1%	60.4%	68.4%	72.4%	72.7%	78.1%	77.5%	65.7%	75.0%	69.5%	74.3%
2020	74.0%	77.4%	78.0%	67.3%	72.2%	75.8%	80.2%	82.0%	77.4%	79.2%	71.0%	70.0%
2021	72.2%	76.3%	66.1%	64.6%	69.2%	78.5%	83.9%	83.5%	80.9%	82.2%	71.5%	80.4%
2022	71.0%	68.5%	62.0%	64.9%	75.4%	70.7%	75.2%	73.8%	68.5%	63.5%	63.1%	73.5%
2023	77.0%	72.6%	63.2%	69.3%	74.6%	74.6%	81.3%	82.1%	74.6%	72.4%	65.8%	61.7%
2024	68.6%	60.4%	64.1%	67.4%	77.1%	71.5%	79.8%	68.5%	71.0%	66.8%	73.6%	68.8%
2025	61.1%	66.9%	55.6%	70.1%	74.8%	70.2%	70.0%	72.7%	71.4%	72.9%	M	M