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 (USW00025503) 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	M	M	M	M	M	M	M	M	M	M	M	M
2007	M	0.05	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	0.05	0.09	0.95	0.88	1.18	2.85	2.75	0.97	0.96	0.87	0.44
2011	0.22	0.19	0.13	0.78	0.68	1.90	1.91	3.72	1.70	1.10	0.57	0.10
2012	0.02	0.00	0.00	0.00	0.09	0.14	0.02	0.07	0.56	0.05	0.00	0.00
2013	0.01	0.00	0.00	0.00	0.00	0.29	0.04	0.93	0.46	0.08	0.01	0.04
2014	0.03	M	M	M	0.01	0.47	0.04	0.35	0.18	0.03	0.03	0.04
2015	M	M	M	0.01	0.60	0.98	2.20	1.29	2.13	0.19	3.43	0.37
2016	0.31	0.02	1.45	0.03	0.53	1.73	2.65	1.83	M	0.14	0.35	0.06
2017	0.01	0.00	0.00	0.20	1.33	1.53	3.63	3.84	4.78	3.52	0.20	1.72
2018	0.36	0.51	0.34	1.73	1.11	3.50	4.13	4.65	2.61	1.84	0.66	0.44
2019	0.13	1.94	0.41	1.03	1.36	0.81	2.31	0.52	4.86	0.53	M	0.20
2020	0.08	0.41	1.22	0.98	1.02	0.73	2.66	2.69	2.12	2.07	2.26	0.87
2021	0.94	0.10	0.54	0.34	0.17	0.86	2.46	2.64	1.56	1.48	0.04	1.79
2022	0.51	3.13	0.51	0.15	0.06	0.11	1.61	3.00	4.12	2.68	1.25	1.12
2023	0.59	0.66	0.63	0.36	0.01	0.00	0.00	M	M	0.06	0.03	0.06
2024	0.03	0.07	0.07	0.06	0.05	0.01	1.09	2.79	2.85	1.46	1.03	0.26
2025	1.95	0.00	0.34	0.24	0.03	0.00	0.01	M	M	M	M	M
NCEI Climatology	0.93	0.94	0.76	1.04	1.44	1.83	2.46	3.26	3.40	2.31	1.72	1.38

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	8.6	8.8	7.4	11.1
2006	7.3	12.2	9.0	9.6	9.1	9.6	10.4	9.1	10.6	12.8	10.2	7.5
2007	10.8	8.5	9.2	12.1	10.2	8.7	5.9	7.3	8.8	8.4	11.9	10.8
2008	7.9	6.8	8.7	8.5	9.8	9.2	7.4	6.1	8.8	2.6	7.3	10.1
2009	9.8	8.0	10.0	8.6	6.8	7.3	8.3	7.2	7.5	8.9	6.3	4.0
2010	0.0	0.0	0.0	1.3	9.4	7.0	8.0	8.1	8.7	7.5	8.2	8.0
2011	11.3	9.0	6.7	10.9	10.8	10.7	7.0	8.3	8.7	7.5	10.6	10.6
2012	8.2	13.9	7.4	8.1	8.3	7.5	6.0	6.5	9.4	5.1	8.0	11.0
2013	11.3	10.3	8.9	9.1	7.4	9.0	7.3	8.0	9.5	10.6	8.9	8.9
2014	13.3	11.4	7.4	9.1	5.7	8.2	6.7	7.2	7.5	7.4	11.8	10.6
2015	9.0	7.8	10.4	9.2	10.0	7.5	2.6	8.4	8.5	10.4	10.0	11.1
2016	13.7	11.4	9.6	12.6	9.0	7.9	8.9	7.6	7.3	11.0	8.4	8.3
2017	6.7	8.0	7.9	8.6	10.5	8.7	7.0	8.5	7.9	9.6	8.5	12.4
2018	9.7	10.2	8.0	9.7	11.0	8.1	9.0	10.2	8.3	10.7	10.6	8.5
2019	10.1	6.7	8.3	8.3	10.8	8.0	6.7	7.1	7.9	7.6	M	8.8
2020	7.1	9.6	7.4	8.1	8.1	9.2	6.5	7.1	8.4	9.1	9.8	9.6
2021	8.5	9.9	8.2	9.8	9.7	9.2	6.6	7.1	7.8	8.7	6.8	8.9
2022	10.2	11.2	10.9	9.8	9.3	6.8	2.4	6.1	7.6	8.5	9.6	10.5
2023	7.3	8.3	6.9	7.3	11.3	10.6	6.8	6.9	7.3	8.1	8.5	7.2
2024	9.9	12.0	8.1	10.7	10.0	9.0	7.4	9.2	8.1	8.3	8.8	11.1
2025	11.2	8.6	7.5	10.3	9.4	8.9	9.5	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	47.55	39.97	19.09	33.37
2006	8.53	28.18	24.71	34.49	52.72	59.50	62.65	58.27	55.01	50.23	19.62	20.93
2007	16.60	26.18	13.36	42.05	48.87	58.06	62.65	63.86	55.01	40.08	35.72	25.64
2008	13.53	16.15	28.53	33.93	48.73	55.87	59.74	61.58	51.65	35.23	23.27	24.69
2009	15.95	24.14	20.58	36.87	54.89	57.47	64.89	61.59	54.34	44.98	24.12	28.38
2010	22.41	28.02	25.01	36.43	49.46	56.81	56.15	58.99	55.42	42.30	29.68	12.66
2011	32.88	19.40	27.07	38.22	48.97	52.95	59.23	59.26	53.86	43.98	21.27	22.17
2012	1.92	29.09	17.72	39.89	46.13	58.18	56.76	58.04	51.56	37.49	20.48	19.69
2013	30.20	28.43	28.44	33.95	48.77	64.54	66.76	59.79	52.26	48.44	31.19	25.81
2014	37.88	24.35	31.46	42.68	59.51	58.30	65.98	62.98	57.33	37.82	40.48	35.86
2015	28.07	31.01	34.21	43.06	52.72	65.28	63.55	63.07	51.94	47.66	36.23	29.99
2016	37.34	39.75	38.43	49.51	57.50	63.40	65.67	64.49	58.13	47.54	33.22	23.13
2017	17.05	23.17	18.60	43.66	52.39	60.08	65.08	59.26	55.08	45.15	32.26	36.46
2018	23.39	31.20	31.92	41.98	49.69	60.13	62.10	59.94	59.49	49.87	39.24	25.92
2019	27.40	34.02	39.04	40.86	51.12	63.69	69.02	67.00	57.01	45.89	M	20.75
2020	5.63	23.89	26.66	42.11	55.73	59.56	65.05	64.91	55.07	45.17	31.98	30.73
2021	29.70	27.03	27.70	38.62	52.08	58.73	62.97	60.45	52.04	40.74	13.34	25.37
2022	21.09	34.17	34.06	41.25	56.08	65.93	59.09	59.52	55.48	43.95	34.36	29.15
2023	30.42	26.76	30.06	33.22	47.94	57.07	62.93	62.39	52.88	43.80	34.99	24.59
2024	21.32	31.69	28.07	40.15	51.20	60.73	62.10	59.63	54.71	42.28	30.75	36.53
2025	35.12	35.42	35.21	41.04	51.60	59.44	60.42	M	M	M	M	M
NCEI Climatology	23.50	29.54	31.80	44.50	55.19	62.10	64.60	63.30	56.31	43.81	31.90	25.70

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	37.40	29.48	5.02	21.86
2006	-4.54	13.70	8.26	21.56	34.09	42.19	48.37	47.39	42.64	40.37	4.54	5.06
2007	0.24	11.73	-5.27	28.96	34.42	42.75	48.77	49.22	43.56	27.43	25.67	12.63
2008	-2.37	-1.74	15.18	19.20	33.68	40.29	45.58	45.30	41.10	20.35	7.44	12.45
2009	2.13	5.46	6.66	22.65	32.80	40.97	49.18	46.11	40.21	35.11	8.35	17.18
2010	10.47	14.77	4.94	23.09	33.01	41.82	46.30	47.39	40.94	29.13	16.48	-3.27
2011	26.59	3.47	11.72	23.61	34.09	42.48	45.64	46.82	41.91	30.83	5.33	12.11
2012	-17.03	16.48	0.45	25.51	31.93	40.69	45.90	46.14	39.15	24.66	7.98	5.82
2013	16.34	14.38	13.20	17.40	31.60	45.95	48.88	50.10	38.64	36.89	18.48	14.35
2014	28.63	12.00	11.31	27.22	35.87	42.58	48.51	50.12	42.45	24.21	31.80	27.30
2015	14.98	17.81	22.06	28.08	39.44	47.02	50.13	47.46	39.56	37.34	23.26	17.21
2016	27.20	30.19	26.23	36.58	40.98	47.89	51.72	52.47	42.49	32.33	16.43	9.90
2017	1.29	6.63	-0.46	28.81	36.05	45.06	50.95	48.79	42.51	33.25	19.67	25.84
2018	12.75	18.40	17.88	28.46	37.09	44.60	49.99	48.95	43.46	39.25	27.69	9.69
2019	16.04	23.21	29.22	28.11	39.88	47.76	53.33	50.52	44.86	31.03	M	5.18
2020	-8.92	7.58	11.18	28.92	37.56	44.58	50.67	48.31	41.01	33.79	19.49	18.71
2021	18.51	12.24	9.29	24.65	35.32	44.72	49.53	47.00	37.58	28.94	-0.40	11.87
2022	8.28	23.26	20.72	26.27	36.15	45.54	51.00	49.52	42.38	31.58	21.45	13.85
2023	16.53	8.12	10.43	14.70	34.88	44.08	49.38	50.26	39.67	28.72	22.63	9.23
2024	9.78	18.35	11.08	25.35	36.55	45.43	47.06	46.88	41.34	28.32	17.07	27.85
2025	23.77	23.11	20.54	27.86	37.41	44.13	49.15	M	M	M	M	M
NCEI Climatology	9.80	14.70	15.21	27.60	36.10	43.50	48.90	47.99	41.01	29.00	18.20	11.40

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	42.48	34.73	12.06	27.62
2006	2.00	20.94	16.49	28.03	43.40	50.84	55.51	52.83	48.82	45.30	12.08	13.00
2007	8.42	18.95	4.05	35.51	41.65	50.41	55.71	56.54	49.29	33.75	30.70	19.13
2008	5.58	7.20	21.85	26.57	41.20	48.08	52.66	53.44	46.37	27.79	15.36	18.57
2009	9.04	14.80	13.62	29.76	43.85	49.22	57.03	53.85	47.28	40.05	16.23	22.78
2010	16.44	21.40	14.98	29.76	41.23	49.31	51.23	53.19	48.18	35.71	23.08	4.69
2011	29.74	11.44	19.39	30.91	41.53	47.72	52.43	53.04	47.89	37.41	13.30	17.14
2012	-7.56	22.78	9.08	32.70	39.03	49.44	51.33	52.09	45.35	31.07	14.23	12.75
2013	23.27	21.40	20.82	25.68	40.19	55.24	57.82	54.94	45.45	42.67	24.83	20.08
2014	33.25	18.18	21.38	34.95	47.69	50.44	57.25	56.55	49.89	31.01	36.14	31.58
2015	21.52	24.41	28.13	35.57	46.08	56.15	56.84	55.26	45.75	42.50	29.74	23.60
2016	32.27	34.97	32.33	43.05	49.24	55.65	58.70	58.48	50.31	39.93	24.83	16.51
2017	9.17	14.90	9.07	36.24	44.22	52.57	58.02	54.03	48.80	39.20	25.96	31.15
2018	18.07	24.80	24.90	35.22	43.39	52.36	56.04	54.44	51.48	44.56	33.46	17.80
2019	21.72	28.62	34.13	34.49	45.50	55.73	61.17	58.76	50.94	38.46	M	12.96
2020	-1.64	15.74	18.92	35.52	46.65	52.07	57.86	56.61	48.04	39.48	25.74	24.72
2021	24.10	19.64	18.50	31.63	43.70	51.72	56.25	53.72	44.81	34.84	6.47	18.62
2022	14.69	28.72	27.39	33.76	46.11	55.73	55.04	54.52	48.93	37.76	27.91	21.50
2023	23.47	17.44	20.24	23.96	41.41	50.57	56.15	56.33	46.28	36.26	28.81	16.91
2024	15.55	25.02	19.57	32.75	43.88	53.08	54.58	53.25	48.03	35.30	23.91	32.19
2025	29.45	29.26	27.87	34.45	44.51	51.78	54.78	M	M	M	M	M
NCEI Climatology	16.65	22.12	23.50	36.05	45.65	52.80	56.75	55.65	48.66	36.40	25.05	18.55

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	85.7%	79.3%	80.6%	83.8%
2006	78.5%	80.0%	77.3%	78.8%	72.1%	74.4%	80.9%	86.1%	81.9%	80.5%	71.0%	83.3%
2007	78.2%	78.2%	62.5%	79.6%	78.3%	76.1%	81.9%	83.2%	84.0%	80.2%	82.2%	79.8%
2008	79.0%	76.8%	77.9%	75.0%	74.3%	76.7%	80.0%	80.0%	83.4%	79.3%	80.9%	82.1%
2009	77.3%	79.3%	74.5%	79.4%	69.2%	76.3%	78.0%	77.5%	79.8%	81.6%	79.5%	80.6%
2010	79.1%	80.9%	75.8%	79.4%	75.5%	79.6%	86.2%	85.9%	78.8%	80.6%	81.9%	75.9%
2011	85.1%	71.4%	74.4%	75.8%	73.8%	82.3%	84.0%	84.1%	81.8%	82.2%	76.3%	81.3%
2012	74.3%	79.6%	76.7%	78.9%	78.9%	78.2%	84.7%	84.5%	80.4%	76.2%	75.9%	77.5%
2013	81.4%	83.6%	76.6%	66.5%	69.6%	73.3%	81.1%	86.6%	77.5%	80.2%	82.6%	80.7%
2014	84.7%	74.7%	75.9%	75.8%	67.7%	79.1%	76.3%	82.8%	79.7%	76.1%	82.7%	85.8%
2015	81.7%	81.1%	76.7%	77.4%	79.7%	75.7%	80.9%	77.6%	83.0%	82.1%	86.4%	85.3%
2016	85.1%	84.7%	81.6%	74.8%	78.1%	77.8%	82.1%	86.6%	83.8%	75.6%	85.0%	85.9%
2017	84.9%	85.4%	67.6%	79.4%	76.1%	79.5%	83.9%	86.3%	84.0%	83.7%	85.2%	88.2%
2018	79.7%	86.1%	85.3%	82.9%	77.6%	79.7%	87.8%	89.5%	86.6%	86.4%	90.0%	88.9%
2019	88.0%	92.6%	93.6%	85.0%	86.1%	87.4%	88.3%	87.1%	90.1%	87.5%	M	80.6%
2020	79.0%	80.4%	82.9%	83.1%	73.4%	78.6%	81.7%	82.9%	81.6%	82.3%	86.0%	87.8%
2021	87.2%	86.8%	82.9%	79.3%	77.2%	80.5%	83.5%	84.8%	80.1%	84.9%	80.9%	89.5%
2022	83.2%	89.3%	80.4%	79.2%	68.4%	75.2%	89.7%	88.0%	86.9%	83.2%	85.9%	85.9%
2023	89.9%	87.2%	79.6%	75.6%	79.8%	81.1%	86.2%	86.4%	85.1%	78.4%	88.8%	88.5%
2024	79.4%	84.1%	79.9%	82.3%	79.4%	77.3%	84.7%	86.7%	84.6%	83.6%	85.8%	89.2%
2025	85.1%	86.6%	81.7%	82.4%	78.9%	79.3%	83.9%	M	M	M	M	M