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 (USC00057572) 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
2001	M	M	M	M	M	M	M	0.15	0.85	0.81	0.80	0.39
2002	0.86	1.00	0.41	0.22	0.09	0.77	1.40	0.28	2.22	1.28	0.32	0.26
2003	1.04	1.39	3.21	1.64	0.55	2.15	1.42	2.12	2.35	0.28	0.30	1.13
2004	0.90	1.14	0.52	2.51	0.11	1.55	2.30	1.89	0.67	0.82	1.61	1.55
2005	2.31	0.69	2.02	1.90	1.97	0.76	1.97	2.33	1.40	2.34	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	0.00	0.00	0.00
2010	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M	M
2011	M	M	M	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2012	0.00	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	0.01	M	M	M	0.00	0.00	0.00	M	M	M
2014	M	M	M	M	M	M	M	M	0.35	0.88	0.48	0.06
2015	0.60	1.32	1.65	1.75	2.36	1.00	3.10	0.69	0.46	1.82	0.30	0.13
2016	0.34	0.35	0.63	2.73	2.53	0.68	0.97	2.46	1.12	0.08	0.15	0.30
2017	0.31	0.40	0.06	2.13	2.80	0.65	0.41	0.14	1.97	0.97	0.39	0.24
2018	0.05	0.20	0.64	0.76	0.49	0.82	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	M	0.47	0.87	0.11	0.51
2020	0.06	0.35	0.18	0.04	0.22	0.38	1.97	0.79	0.39	0.45	0.42	0.93
2021	0.34	0.28	0.95	0.07	2.28	0.66	4.95	0.38	0.01	M	0.13	0.01
2022	1.11	0.59	2.48	0.56	1.38	1.90	2.78	3.29	0.80	0.79	0.41	M
2023	0.21	0.40	0.52	1.19	1.91	0.90	0.71	0.74	1.26	0.11	M	0.25
2024	0.76	0.22	1.49	0.52	1.37	1.03	0.99	1.80	1.50	1.11	1.98	0.20
2025	0.23	M	M	0.99	2.13	0.72	0.73	M	M	0.30	M	M
2026	M	M	0.10	0.20	1.11	0.23	1.73	0.62	0.05	M	M	M
NCEI Climatology	0.50	0.75	0.82	1.39	1.32	0.80	2.29	2.34	1.00	1.00	0.86	0.60

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	M	M	M	M	M	M	M	14.9	15.2	18.4	16.6	17.9
2002	20.3	18.3	18.5	20.3	14.6	14.6	10.5	12.9	11.7	0.0	0.5	0.0
2003	3.0	20.8	20.2	22.1	20.2	16.1	14.6	15.2	6.1	0.0	2.1	0.0
2004	4.5	19.5	18.9	13.4	20.3	15.2	14.8	7.7	5.4	15.4	13.3	25.4
2005	22.2	17.0	14.7	0.0	0.0	0.0	0.0	0.0	2.9	7.2	14.2	13.9
2006	14.1	13.3	13.6	12.9	9.4	9.5	9.3	0.9	3.9	11.3	12.4	13.3
2007	13.9	15.5	11.2	10.7	10.0	9.5	8.8	8.3	9.7	12.5	11.6	14.2
2008	13.9	12.4	11.8	12.7	11.7	10.8	8.3	8.5	8.1	9.5	9.2	11.8
2009	11.7	11.6	12.1	9.2	7.9	8.6	8.0	9.4	3.5	12.2	11.3	12.0
2010	10.8	10.5	12.2	13.1	13.2	9.9	8.5	11.1	M	M	M	M
2011	M	M	M	M	13.7	9.7	7.7	7.6	9.0	6.2	4.0	4.4
2012	1.7	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	7.4	7.3	9.7	10.4	11.6	11.2
2014	11.1	10.8	10.3	9.7	7.7	9.0	8.1	7.3	8.7	8.4	11.8	9.6
2015	8.2	8.6	8.4	9.1	1.3	1.6	2.5	6.3	7.9	7.3	9.9	10.4
2016	6.8	7.9	9.9	8.0	7.5	7.4	7.4	7.0	0.0	4.5	19.0	24.0
2017	22.3	21.1	19.8	16.2	13.3	12.9	11.3	11.0	14.7	19.9	21.4	20.1
2018	22.0	22.0	19.4	16.7	13.9	13.4	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	6.2	9.5	10.7	11.3	11.9
2020	12.6	11.4	10.9	7.8	7.6	8.8	7.1	7.3	6.9	10.6	12.8	11.0
2021	12.1	12.5	10.5	8.6	7.4	7.4	7.0	7.2	8.0	10.6	11.5	15.8
2022	12.5	13.3	10.1	11.6	10.8	8.6	8.2	6.5	8.3	9.1	12.6	16.2
2023	13.5	14.1	13.6	11.2	7.8	8.1	6.9	8.1	8.9	9.3	10.9	11.6
2024	11.3	13.1	11.3	10.1	9.4	8.8	7.6	8.4	8.2	10.4	14.0	13.6
2025	12.2	15.9	12.4	10.0	8.7	9.2	8.1	9.1	10.4	11.4	13.2	M
2026	M	M	11.0	12.2	9.2	10.3	8.4	8.8	9.7	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
2001	M	M	M	M	M	M	M	68.20	65.54	53.14	38.42	29.04
2002	27.70	31.42	36.82	53.42	58.71	73.16	74.39	71.31	62.12	51.34	40.40	30.90
2003	39.95	34.76	43.79	51.68	59.49	67.28	82.05	74.74	61.22	55.28	35.60	31.07
2004	29.27	27.53	46.46	44.32	59.64	66.08	68.70	66.03	64.80	51.87	42.80	34.86
2005	33.26	36.89	40.30	50.96	61.32	71.84	80.77	71.43	69.02	57.20	48.62	41.54
2006	39.32	42.09	46.46	59.84	64.75	75.08	75.20	70.55	61.28	53.25	44.60	34.61
2007	30.08	26.09	36.94	39.44	48.72	61.46	65.45	66.90	60.61	52.38	42.08	23.58
2008	22.48	31.32	36.82	44.78	53.48	67.88	71.95	66.55	60.62	54.30	44.54	33.10
2009	34.38	32.45	36.59	41.54	54.41	58.46	71.48	71.95	59.78	45.26	41.72	25.50
2010	31.13	29.04	39.26	48.20	61.85	73.34	72.94	71.37	M	M	M	M
2011	M	M	M	48.48	65.62	72.38	75.66	76.10	61.10	50.00	36.62	28.11
2012	36.32	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	76.10	74.30	75.20	M	68.69	68.97	61.82	46.75	42.12	27.87
2014	29.85	35.34	40.65	44.72	54.22	68.84	69.34	67.01	63.02	54.97	37.64	31.04
2015	31.10	35.73	43.55	46.16	64.79	62.60	64.46	70.30	67.58	53.43	37.46	29.10
2016	29.85	37.21	40.36	44.90	53.19	70.52	75.14	65.79	63.98	56.91	41.43	31.42
2017	27.98	37.79	47.71	48.75	52.04	67.78	73.66	72.20	62.06	51.63	44.96	36.06
2018	35.72	35.92	41.75	49.70	63.12	73.72	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	69.80	63.26	43.79	36.44	26.72
2020	25.52	27.53	36.70	44.12	57.90	65.18	69.34	69.39	56.20	51.97	37.70	26.66
2021	25.61	26.47	32.52	40.58	50.41	64.22	67.71	66.72	63.38	47.39	42.08	31.71
2022	28.63	25.70	34.15	43.58	54.12	62.60	67.77	64.92	62.78	45.18	29.66	26.48
2023	24.05	27.24	30.37	40.84	51.80	60.08	72.82	68.28	60.44	50.48	33.25	29.79
2024	25.94	30.01	32.64	44.54	51.16	66.62	68.35	67.42	60.98	53.43	32.06	32.52
2025	22.83	41.00	42.56	43.28	50.81	63.74	68.46	68.00	56.30	51.57	48.31	M
2026	M	M	57.68	47.18	53.46	68.00	73.46	72.35	69.29	M	M	M
NCEI Climatology	40.81	42.10	49.50	56.60	66.00	77.20	81.71	78.89	72.91	61.59	49.40	40.51

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	M	M	M	M	M	M	M	45.60	42.80	32.70	23.24	12.72
2002	11.56	9.89	16.26	29.96	34.67	47.72	49.42	47.45	41.72	32.17	23.18	16.55
2003	23.35	17.60	23.29	30.86	37.07	45.74	56.39	52.55	38.60	35.19	19.10	13.01
2004	12.32	9.47	23.93	26.05	36.59	42.98	46.81	45.12	41.93	33.87	25.62	18.78
2005	20.03	21.26	21.08	29.48	39.90	47.72	54.65	51.16	47.42	39.03	30.14	23.36
2006	20.74	21.39	26.19	36.02	41.46	50.06	53.25	50.12	40.52	34.38	26.78	17.77
2007	11.45	18.02	15.86	18.92	28.52	37.16	43.26	43.90	39.65	31.01	22.10	7.67
2008	6.10	12.57	16.32	23.06	31.59	42.86	47.04	45.76	39.56	33.92	26.90	16.03
2009	16.85	13.42	17.83	21.92	33.39	37.94	46.09	46.11	40.22	26.90	24.80	9.30
2010	14.58	12.52	19.28	26.66	32.99	46.22	48.55	47.89	M	M	M	M
2011	M	M	M	48.48	48.84	45.38	50.35	48.65	40.28	31.36	21.08	12.03
2012	21.92	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	76.10	74.30	75.20	M	47.26	47.23	42.26	28.75	27.50	11.47
2014	13.01	18.05	20.79	24.32	32.87	43.57	47.56	46.22	43.44	35.23	17.72	17.66
2015	16.49	16.44	25.09	27.26	26.99	30.07	41.35	47.00	44.24	35.37	20.18	13.59
2016	13.65	19.96	21.95	26.36	33.97	45.50	49.13	44.37	41.12	36.47	25.92	15.28
2017	14.12	21.33	27.58	26.88	32.96	45.03	49.61	48.80	41.66	31.65	28.46	19.52
2018	18.82	17.86	21.49	28.58	39.72	48.14	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	49.55	43.40	23.64	20.24	13.83
2020	12.80	10.83	22.36	25.34	35.83	44.54	49.25	50.58	41.13	30.61	23.66	13.19
2021	12.66	11.43	18.18	24.38	33.28	45.80	47.74	47.56	43.28	30.37	26.12	18.53
2022	13.36	9.50	18.18	25.28	34.15	44.30	47.97	46.75	43.82	29.39	13.52	13.19
2023	11.33	11.36	16.50	24.17	35.77	41.06	50.23	48.68	42.38	32.24	19.12	17.37
2024	15.26	16.79	21.37	26.30	32.81	46.16	47.21	47.68	42.50	36.18	19.94	20.45
2025	7.73	29.43	26.24	26.24	33.34	44.96	47.45	49.76	40.10	33.86	29.88	M
2026	M	M	35.84	28.64	34.02	45.80	51.28	50.29	49.36	M	M	M
NCEI Climatology	16.99	17.96	22.99	28.10	36.40	45.30	50.59	49.50	42.70	32.99	23.70	16.99

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	M	M	M	M	M	M	M	56.90	54.17	42.92	30.83	20.88
2002	19.63	20.65	26.54	41.69	46.69	60.44	61.90	59.38	51.92	41.75	31.79	23.73
2003	31.65	26.18	33.54	41.27	48.28	56.51	69.22	63.65	49.91	45.24	27.35	22.04
2004	20.79	18.50	35.19	35.18	48.11	54.53	57.75	55.57	53.37	42.87	34.21	26.82
2005	26.65	29.08	30.69	40.22	50.61	59.78	67.71	61.29	58.22	48.11	39.38	32.45
2006	30.03	31.74	36.33	47.93	53.11	62.57	64.23	60.34	50.90	43.82	35.69	26.19
2007	20.76	15.74	26.40	29.18	38.62	49.31	54.35	55.40	50.13	41.70	32.09	15.63
2008	14.29	21.94	26.57	33.92	42.54	55.37	59.49	56.15	50.09	44.11	35.72	24.57
2009	25.61	22.94	27.21	31.73	43.90	48.20	58.78	59.03	50.00	36.08	33.26	17.40
2010	22.85	20.78	29.27	37.43	47.42	59.78	60.74	59.63	M	M	M	M
2011	M	M	M	48.48	57.23	58.88	63.01	62.37	50.69	40.68	28.85	20.07
2012	29.12	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	76.10	74.30	75.20	M	57.97	58.10	52.04	37.75	34.81	19.67
2014	21.43	26.70	30.72	34.52	43.54	56.20	58.45	56.61	53.23	45.10	27.68	24.35
2015	23.80	26.09	34.32	36.71	45.89	46.34	52.90	58.65	55.91	44.40	28.82	21.35
2016	21.75	28.59	31.16	35.63	43.58	58.01	62.14	55.08	52.55	46.69	33.68	23.35
2017	21.05	29.56	37.65	37.82	42.50	56.41	61.64	60.50	51.86	41.64	36.71	27.79
2018	27.27	26.89	31.62	39.14	51.42	60.93	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	59.67	53.33	33.71	28.34	20.27
2020	19.16	19.18	29.53	34.73	46.86	54.86	59.29	59.99	48.67	41.29	30.68	19.92
2021	19.14	18.95	25.35	32.48	41.84	55.01	57.72	57.14	53.33	38.88	34.10	25.12
2022	21.00	17.60	26.16	34.43	44.14	53.45	57.87	55.84	53.30	37.28	21.59	19.84
2023	17.69	19.30	23.44	32.51	43.79	50.57	61.53	58.48	51.41	41.36	26.18	23.58
2024	20.60	23.40	27.01	35.42	41.99	56.39	57.78	57.55	51.74	44.80	26.00	26.48
2025	15.28	35.21	34.40	34.76	42.07	54.35	57.95	58.88	48.20	42.71	39.09	M
2026	M	M	46.76	37.91	43.74	56.90	62.37	61.32	59.32	M	M	M
NCEI Climatology	28.90	30.03	36.25	42.35	51.20	61.25	66.15	64.20	57.80	47.29	36.55	28.75

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
2001	M	M	M	M	M	M	M	57.0%	51.7%	64.7%	88.0%	84.5%
2002	85.7%	77.4%	68.6%	47.2%	45.9%	43.0%	54.6%	51.6%	64.1%	65.6%	61.7%	71.6%
2003	64.0%	75.6%	64.4%	53.3%	49.1%	61.5%	44.7%	63.5%	60.7%	50.8%	61.7%	63.8%
2004	66.9%	74.7%	57.5%	65.3%	38.8%	57.4%	61.4%	67.4%	52.9%	61.2%	68.3%	59.1%
2005	79.9%	71.1%	63.9%	53.4%	56.0%	40.2%	40.9%	57.9%	50.7%	57.1%	35.4%	40.9%
2006	41.5%	33.6%	46.2%	31.2%	33.8%	31.0%	47.4%	60.2%	53.1%	56.6%	48.0%	62.2%
2007	62.9%	57.1%	56.6%	64.7%	68.6%	52.4%	59.9%	61.0%	59.1%	49.7%	47.6%	74.5%
2008	65.7%	65.4%	57.2%	43.6%	52.2%	38.0%	56.6%	65.9%	59.3%	42.9%	37.3%	51.3%
2009	48.6%	50.9%	53.4%	54.7%	62.2%	57.7%	54.8%	50.2%	64.0%	63.2%	51.5%	65.3%
2010	64.4%	74.0%	63.3%	58.0%	51.6%	43.1%	61.7%	61.8%	M	M	M	M
2011	M	M	M	M	48.3%	31.3%	51.0%	48.5%	59.4%	56.5%	58.8%	69.3%
2012	34.6%	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	65.2%	61.0%	65.0%	58.0%	61.7%	60.3%
2014	56.7%	59.2%	55.1%	56.7%	52.7%	42.4%	65.6%	62.3%	63.6%	51.6%	59.4%	68.4%
2015	72.7%	64.8%	56.9%	56.6%	76.8%	54.2%	64.2%	54.1%	53.0%	66.9%	59.8%	65.1%
2016	64.5%	53.6%	53.2%	64.5%	59.4%	50.2%	46.8%	67.8%	55.5%	44.8%	58.2%	66.4%
2017	75.1%	62.9%	41.9%	67.0%	60.9%	50.5%	50.5%	47.9%	60.1%	53.1%	53.7%	46.1%
2018	48.4%	56.9%	47.9%	46.6%	42.5%	35.4%	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	42.6%	49.2%	45.8%	56.6%	63.9%
2020	65.1%	64.6%	61.2%	51.3%	46.8%	40.7%	50.9%	40.9%	46.1%	39.8%	57.2%	58.7%
2021	63.1%	62.0%	62.4%	52.9%	63.0%	53.0%	65.6%	53.2%	50.2%	54.9%	48.7%	55.8%
2022	57.2%	56.0%	54.9%	42.8%	41.6%	53.5%	56.3%	56.4%	33.6%	59.5%	58.0%	60.0%
2023	69.8%	62.0%	62.4%	48.3%	43.6%	36.0%	23.4%	21.7%	32.8%	46.2%	54.9%	62.3%
2024	70.1%	62.5%	64.5%	53.3%	40.4%	49.5%	51.9%	60.1%	48.9%	46.4%	57.7%	50.0%
2025	59.0%	37.5%	42.0%	45.7%	53.8%	29.6%	33.8%	19.6%	60.4%	55.8%	40.5%	M
2026	M	M	34.0%	42.9%	43.3%	18.0%	16.3%	29.4%	22.6%	M	M	M