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 (USC00054664) 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	M	M	M	M	0.84	0.17	0.54	0.07
2004	0.26	0.26	0.39	0.46	0.34	1.17	1.33	0.96	2.02	0.40	0.75	0.23
2005	0.88	0.05	0.05	1.03	0.45	1.76	0.30	0.23	0.10	0.20	0.27	0.08
2006	0.19	0.08	0.07	0.81	1.14	0.20	1.08	0.52	1.20	0.83	0.22	0.09
2007	0.36	0.20	0.47	0.75	0.67	0.27	1.37	1.12	1.56	0.47	0.08	1.20
2008	2.15	0.13	0.26	0.22	0.84	0.35	1.07	1.00	0.87	0.50	0.27	0.42
2009	0.38	0.08	0.32	0.60	0.92	0.94	1.57	0.26	0.21	0.18	0.01	0.28
2010	0.06	0.07	0.03	1.07	1.20	0.90	1.04	0.75	0.18	1.36	0.22	0.47
2011	0.12	0.20	0.91	1.13	0.91	0.43	0.20	0.08	0.46	0.96	0.26	0.04
2012	0.14	0.16	0.08	0.28	M	0.12	3.35	0.19	0.70	0.26	0.15	0.11
2013	0.11	0.25	0.13	1.27	0.72	0.22	0.64	0.73	2.48	0.90	0.11	0.05
2014	0.35	0.04	0.39	0.62	1.94	0.11	1.26	0.92	1.23	0.75	0.11	0.19
2015	0.06	0.10	0.25	0.55	2.30	0.03	1.20	0.71	1.31	0.67	0.14	0.31
2016	0.14	0.21	0.21	0.39	1.60	0.51	0.49	0.62	0.38	0.65	0.13	0.23
2017	0.26	0.30	0.48	0.80	1.26	0.04	1.24	0.51	0.27	1.36	M	M
2018	0.00	0.46	0.17	0.43	0.56	0.48	0.93	0.97	0.05	1.24	0.00	0.04
2019	0.15	0.18	0.08	1.21	1.06	0.42	0.12	0.01	M	0.01	0.07	M
2020	M	0.00	0.00	0.00	0.48	0.24	0.23	0.19	0.01	0.06	0.17	0.30
2021	0.16	0.48	0.24	0.75	1.12	0.37	0.89	0.91	1.38	0.26	0.23	0.22
2022	0.23	0.53	0.14	0.18	0.33	0.05	0.05	0.09	0.06	0.36	0.21	0.41
2023	0.50	0.12	0.79	0.46	0.52	1.32	0.90	1.41	0.30	0.57	0.09	0.23
2024	0.28	M	M	M	0.00	0.00	M	M	M	M	M	0.00
2025	0.00	0.07	M	M	M	M	M	M	0.21	M	M	M
2026	M	M	M	M	0.00	M	M	M	M	M	M	M
NCEI Climatology	0.73	0.74	0.72	1.15	1.42	0.88	1.40	1.31	1.28	0.91	0.74	0.74

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	M	M	M	3.2	3.7	4.8	5.3	3.5
2004	2.6	2.5	4.7	6.7	7.1	4.8	3.7	4.1	4.1	4.6	2.3	2.6
2005	2.3	1.8	3.9	5.1	4.8	5.4	3.7	3.6	3.9	2.8	4.5	3.5
2006	3.2	2.8	4.4	6.1	5.1	4.6	3.7	3.7	3.5	3.6	3.5	2.8
2007	2.7	4.9	3.9	5.4	4.6	4.8	3.7	3.7	4.2	3.9	3.6	3.4
2008	4.0	3.5	3.8	6.6	6.0	5.7	3.4	3.5	3.8	4.1	3.3	4.7
2009	4.6	3.0	7.0	5.7	5.5	4.6	3.8	4.1	3.5	5.8	3.2	2.3
2010	1.8	1.4	4.6	6.4	7.1	5.7	3.9	4.1	4.2	3.7	6.2	5.8
2011	5.3	6.9	6.5	8.2	8.0	7.7	3.8	3.2	2.5	3.8	4.2	2.6
2012	4.0	5.1	5.3	6.0	6.0	6.1	3.5	3.0	3.1	5.5	2.9	3.7
2013	1.5	2.0	4.3	6.2	5.2	4.8	3.8	3.3	3.8	3.8	3.2	3.0
2014	3.4	6.3	5.2	6.3	5.5	5.4	3.6	3.4	3.3	3.1	5.0	2.1
2015	1.6	3.1	3.3	5.6	4.5	3.9	3.8	3.9	3.1	2.6	3.7	3.3
2016	1.5	2.9	4.8	4.6	4.6	3.8	4.2	3.0	4.4	4.7	2.4	4.6
2017	4.1	6.8	6.0	5.8	4.3	5.4	3.7	3.6	4.0	4.1	5.4	3.8
2018	2.4	6.4	5.7	6.9	4.3	5.4	4.2	4.3	4.1	3.7	3.4	1.7
2019	2.7	4.9	3.4	5.9	4.8	4.9	3.8	3.6	4.6	5.6	2.6	1.9
2020	3.1	3.1	4.5	6.0	5.4	5.7	4.3	3.7	4.2	5.3	4.2	2.0
2021	2.3	5.8	3.1	5.8	5.1	4.2	3.6	4.0	3.2	3.5	3.9	5.1
2022	2.1	1.9	2.6	7.5	6.9	4.9	3.1	2.8	3.0	3.1	4.2	3.5
2023	2.5	3.9	4.2	5.8	4.2	4.7	3.7	3.4	3.3	3.1	2.4	1.4
2024	2.6	2.6	3.9	5.3	6.4	4.8	4.0	3.7	2.8	3.3	3.0	2.8
2025	2.0	5.8	5.9	5.6	5.6	4.7	4.0	3.6	3.0	3.9	3.1	6.3
2026	3.8	4.2	6.3	6.8	5.1	7.2	4.1	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	M	M	M	M	80.22	72.62	67.25	42.14	36.30
2004	29.79	33.68	54.76	57.92	70.03	75.74	81.24	78.97	69.62	54.08	42.20	25.44
2005	28.46	27.95	39.14	57.26	67.07	74.24	88.09	78.97	75.08	60.28	40.34	27.35
2006	28.81	27.89	43.50	60.80	69.39	82.88	84.66	80.77	67.88	54.99	46.58	32.41
2007	24.10	39.39	49.42	59.48	68.70	81.92	89.54	85.71	75.92	58.59	47.90	24.92
2008	20.91	28.15	35.08	49.76	61.79	74.48	83.06	78.39	72.14	60.22	44.00	30.26
2009	28.23	32.07	43.30	50.18	64.69	68.71	80.19	79.16	72.62	53.14	48.92	23.64
2010	24.57	28.40	42.46	53.86	62.37	77.36	82.86	79.73	76.60	59.75	39.26	34.67
2011	25.90	28.91	42.39	51.08	60.39	76.10	82.40	82.63	71.78	55.40	40.52	30.43
2012	34.39	37.28	54.59	61.42	66.23	84.68	84.20	80.14	74.12	59.78	50.06	25.42
2013	14.00	26.20	41.66	49.88	63.94	81.08	85.20	81.35	72.56	53.89	43.64	23.93
2014	26.08	35.09	46.11	53.24	63.99	75.80	83.68	77.00	73.88	62.66	43.10	32.00
2015	30.55	39.52	51.74	56.90	60.39	81.32	79.55	80.08	74.58	63.97	43.04	27.94
2016	21.69	32.28	44.45	53.10	63.97	81.77	83.68	78.40	75.00	64.58	54.46	35.00
2017	30.63	46.82	59.77	60.33	67.27	82.08	90.00	84.52	79.10	61.50	56.43	40.26
2018	39.85	42.36	52.39	61.13	76.23	86.77	89.97	80.05	76.17	54.94	37.09	29.26
2019	27.07	32.50	38.56	55.57	56.58	72.29	83.19	82.74	77.23	51.57	44.33	25.48
2020	29.21	26.31	43.52	54.10	67.90	77.23	83.19	86.10	75.24	59.06	42.57	29.03
2021	30.29	33.75	41.18	54.53	64.37	81.63	84.74	81.55	75.50	57.55	50.00	36.74
2022	16.97	22.14	35.03	53.57	63.87	77.47	82.32	81.45	77.03	58.45	38.79	26.45
2023	26.81	23.71	35.19	49.97	66.35	71.03	83.94	80.71	74.97	60.61	46.50	27.42
2024	25.00	30.24	40.39	56.43	62.52	79.17	82.16	80.48	75.40	67.69	37.67	33.39
2025	24.35	40.32	49.13	57.17	67.19	80.60	84.48	71.78	70.90	60.52	51.07	40.22
2026	37.90	45.68	59.13	56.17	65.65	81.07	87.58	89.60	M	M	M	M
NCEI Climatology	26.42	31.47	43.30	53.30	63.69	75.50	81.31	79.00	71.70	58.09	42.40	28.69

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	M	M	M	47.82	33.02	27.41	19.88	8.95
2004	1.28	5.74	22.94	28.10	33.05	40.04	43.96	41.46	36.68	32.27	16.64	0.01
2005	4.01	0.95	15.68	26.18	32.99	39.08	43.32	43.26	35.36	28.57	18.26	3.49
2006	1.05	-4.19	18.59	26.36	33.63	39.50	50.17	45.76	33.14	27.76	16.46	5.75
2007	-6.90	11.49	20.91	28.52	33.74	40.70	49.19	50.00	39.50	25.26	9.20	4.07
2008	-4.52	2.52	6.92	19.22	30.61	34.52	42.80	41.00	32.18	21.66	16.40	5.46
2009	5.58	4.10	18.16	22.88	34.32	38.49	41.81	38.77	33.92	24.74	11.48	-4.35
2010	-2.55	3.20	15.54	27.11	31.71	38.48	45.18	42.45	32.87	28.52	14.18	16.85
2011	1.92	0.82	20.62	27.20	31.54	37.34	47.33	43.21	35.00	27.06	14.66	1.11
2012	5.75	10.71	18.99	26.79	38.71	39.62	48.72	43.03	34.88	26.72	16.05	1.90
2013	-10.39	-0.47	16.40	24.68	32.58	37.28	47.33	44.43	41.84	26.08	17.60	-0.34
2014	0.94	14.77	20.04	26.36	33.05	37.34	46.81	43.67	37.22	29.33	16.52	10.76
2015	6.97	15.54	21.43	26.00	34.55	42.74	45.41	43.38	36.40	30.52	15.70	3.32
2016	-4.56	6.26	20.71	28.33	32.18	40.30	44.03	40.14	34.40	28.00	21.82	10.76
2017	8.94	26.04	27.90	30.33	36.57	44.56	51.46	45.39	39.28	27.89	26.80	11.61
2018	9.74	21.75	25.65	31.40	36.97	44.13	49.65	41.71	34.41	28.74	15.22	2.19
2019	0.94	4.71	16.74	29.30	32.03	37.46	42.92	41.82	35.91	16.50	14.20	2.13
2020	6.10	-0.31	20.00	24.70	32.68	38.43	42.42	41.61	32.36	21.39	16.23	-0.13
2021	3.16	11.21	13.95	24.20	32.80	40.07	47.29	41.16	36.20	27.00	21.27	10.13
2022	-8.16	-5.43	7.06	24.97	32.74	38.63	47.06	45.39	36.07	25.45	12.00	0.77
2023	6.26	-2.04	11.16	22.97	34.29	38.10	44.45	44.10	33.30	24.26	15.53	4.81
2024	1.42	3.86	17.23	27.67	30.48	41.17	41.39	44.87	34.00	27.60	11.77	7.68
2025	-5.03	19.14	23.16	24.27	33.06	39.33	43.52	40.55	36.10	27.13	19.33	16.61
2026	9.42	15.71	25.13	25.80	32.03	39.10	47.42	46.40	M	M	M	M
NCEI Climatology	-1.49	3.28	16.00	24.00	31.39	38.30	44.20	42.40	33.80	23.40	13.39	0.90

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	M	M	M	64.02	52.82	47.33	31.01	22.62
2004	15.54	19.71	38.85	43.01	51.54	57.89	62.60	60.22	53.15	43.18	29.42	12.72
2005	16.24	14.45	27.41	41.72	50.03	56.66	65.71	61.12	55.22	44.43	29.30	15.42
2006	14.93	11.85	31.04	43.58	51.51	61.19	67.42	63.27	50.51	41.38	31.52	19.08
2007	8.60	25.44	35.16	44.00	51.22	61.31	69.36	67.85	57.71	41.93	28.55	14.49
2008	8.19	15.33	21.00	34.49	46.20	54.50	62.93	59.70	52.16	40.94	30.20	17.86
2009	16.90	18.09	30.73	36.53	49.51	53.60	61.00	58.96	53.27	38.94	30.20	9.65
2010	11.01	15.80	29.00	40.49	47.04	57.92	64.02	61.09	54.73	44.14	26.72	25.76
2011	13.91	14.87	31.51	39.14	45.96	56.72	64.86	62.92	53.39	41.23	27.59	15.77
2012	20.07	23.99	36.79	44.10	52.47	62.15	66.46	61.58	54.50	43.25	33.06	13.66
2013	1.80	12.87	29.03	37.28	48.26	59.18	66.27	62.89	57.20	39.98	30.62	11.79
2014	13.51	24.93	33.07	39.80	48.52	56.57	65.24	60.34	55.55	45.99	29.81	21.38
2015	18.76	27.53	36.59	41.45	47.47	62.03	62.48	61.73	55.49	47.24	29.37	15.63
2016	8.56	19.27	32.58	40.72	48.07	61.03	63.85	59.27	54.70	46.29	38.14	22.88
2017	19.78	36.43	43.84	45.33	51.92	63.32	70.73	64.95	59.19	44.69	41.62	25.94
2018	24.79	32.05	39.02	46.27	56.60	65.45	69.81	60.88	55.29	41.84	26.15	15.73
2019	14.00	18.61	27.65	42.43	44.31	54.88	63.05	62.28	56.57	34.03	29.27	13.81
2020	17.66	13.00	31.76	39.40	50.29	57.83	62.81	63.85	53.80	40.23	29.40	14.45
2021	16.73	22.48	27.57	39.37	48.58	60.85	66.02	61.35	55.85	42.27	35.63	23.44
2022	4.40	8.36	21.05	39.27	48.31	58.05	64.69	63.42	56.55	41.95	25.39	13.61
2023	16.53	10.84	23.18	36.47	50.32	54.57	64.19	62.40	54.13	42.44	31.02	16.11
2024	13.21	17.05	28.81	42.05	46.50	60.17	61.77	62.68	54.70	47.53	24.72	20.53
2025	9.66	29.73	36.15	40.72	50.13	59.97	64.00	56.78	53.50	43.82	35.20	28.41
2026	23.66	30.70	42.13	40.98	48.84	60.08	67.50	68.00	M	M	M	M
NCEI Climatology	12.46	17.38	29.65	38.65	47.54	56.90	62.75	60.70	52.75	40.75	27.90	14.80

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	M	M	71.4%	61.4%	51.3%	74.3%	76.0%
2004	78.1%	77.2%	65.6%	63.9%	51.4%	59.3%	60.0%	50.9%	60.7%	67.3%	73.1%	74.4%
2005	79.5%	74.4%	68.9%	55.7%	53.5%	56.3%	47.7%	59.5%	50.8%	64.3%	63.2%	67.6%
2006	68.0%	66.7%	62.7%	47.9%	46.5%	37.2%	51.6%	51.0%	53.5%	66.0%	63.8%	68.6%
2007	66.6%	63.5%	61.6%	53.3%	51.1%	38.5%	48.8%	51.9%	52.2%	62.3%	58.0%	74.1%
2008	71.1%	73.3%	68.5%	54.2%	53.8%	46.6%	49.0%	55.7%	54.7%	52.0%	66.3%	70.3%
2009	70.1%	71.3%	57.8%	62.6%	55.8%	60.9%	50.3%	42.8%	50.1%	54.8%	53.4%	66.0%
2010	68.6%	70.8%	56.7%	55.7%	47.3%	44.9%	49.4%	49.8%	37.8%	59.7%	61.9%	70.3%
2011	67.2%	60.9%	62.1%	57.5%	53.1%	40.8%	52.2%	51.8%	56.0%	59.4%	61.7%	62.7%
2012	58.0%	59.9%	43.9%	42.2%	41.4%	26.9%	53.1%	47.2%	45.6%	43.4%	55.5%	63.2%
2013	70.5%	71.3%	65.4%	60.7%	53.3%	36.3%	48.0%	53.4%	62.0%	62.3%	69.0%	69.7%
2014	69.6%	63.8%	59.3%	54.0%	53.0%	41.1%	49.0%	56.4%	58.2%	60.3%	62.8%	72.8%
2015	71.8%	67.1%	60.4%	49.4%	65.7%	45.5%	51.9%	47.2%	52.1%	60.2%	63.0%	67.3%
2016	72.1%	67.1%	62.9%	61.0%	55.3%	45.3%	43.4%	53.0%	44.4%	54.5%	64.4%	67.3%
2017	72.5%	62.1%	52.5%	51.6%	55.6%	40.5%	46.8%	49.4%	47.6%	56.4%	58.7%	62.3%
2018	63.6%	57.9%	54.9%	46.9%	46.2%	32.1%	41.2%	51.7%	45.4%	71.6%	73.5%	77.6%
2019	77.0%	67.3%	76.0%	63.5%	68.6%	58.4%	54.2%	49.9%	51.5%	56.3%	73.1%	79.6%
2020	76.6%	74.7%	71.6%	60.8%	52.8%	47.4%	48.6%	41.9%	43.7%	45.9%	71.6%	73.6%
2021	74.2%	69.1%	73.4%	56.4%	58.0%	46.9%	53.5%	51.1%	55.0%	67.9%	64.4%	72.4%
2022	77.0%	74.8%	73.2%	55.5%	55.3%	51.5%	59.9%	61.1%	53.9%	63.8%	69.4%	77.9%
2023	80.1%	71.4%	70.4%	62.6%	61.0%	59.5%	52.4%	60.9%	53.5%	62.4%	68.5%	82.8%
2024	80.9%	77.1%	74.3%	60.5%	59.0%	56.0%	48.6%	59.5%	54.7%	50.5%	57.4%	55.3%
2025	52.2%	46.2%	41.7%	39.0%	41.4%	31.2%	31.8%	42.8%	63.4%	63.1%	62.2%	65.9%
2026	63.4%	64.1%	50.6%	53.8%	54.2%	33.9%	44.6%	M	M	M	M	M