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 (USC00057337) 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	M	0.36	0.16	0.14
2005	0.25	0.22	0.04	0.53	0.28	0.51	0.42	1.02	0.61	0.62	0.08	0.00
2006	0.06	0.00	0.37	0.37	0.21	0.26	1.55	2.64	0.85	1.33	0.04	0.23
2007	0.17	0.01	0.52	0.56	0.44	0.48	0.11	0.26	0.15	0.12	0.16	0.53
2008	0.00	M	M	0.00	0.02	0.02	0.23	0.55	0.01	0.00	0.02	0.12
2009	0.00	0.00	0.12	0.86	0.45	0.25	M	0.19	0.20	0.00	M	0.00
2010	0.09	0.00	0.20	0.28	0.01	0.03	M	M	M	M	M	M
2011	M	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	0.20	0.27	0.10
2013	0.00	0.03	0.09	0.23	0.46	0.71	0.66	1.42	0.55	0.22	0.47	0.01
2014	0.13	M	0.01	0.15	0.38	0.20	0.95	0.62	0.69	0.36	0.34	0.17
2015	0.21	0.15	0.05	0.30	1.28	1.27	2.24	1.00	0.68	0.87	0.27	0.28
2016	0.04	0.13	0.04	0.81	0.21	0.45	0.56	1.31	0.23	0.02	0.39	0.30
2017	0.25	0.04	0.08	0.12	0.65	0.07	0.63	1.20	0.78	0.05	M	0.00
2018	0.00	M	M	M	M	0.00	0.29	0.22	0.00	M	M	M
2019	M	0.27	0.89	0.92	0.60	0.35	0.83	0.73	0.26	M	0.34	0.09
2020	M	0.02	0.19	0.13	0.36	0.25	1.40	0.69	0.68	0.17	0.39	0.26
2021	0.07	0.08	0.22	0.25	1.87	0.90	0.38	1.55	0.23	0.09	M	M
2022	0.17	0.06	0.10	0.31	0.23	0.86	2.80	0.74	0.71	0.59	0.26	M
2023	0.20	0.14	0.13	0.09	0.75	0.34	0.14	0.13	0.03	0.04	M	0.03
2024	M	0.12	0.17	0.04	0.05	0.26	0.01	0.01	1.05	0.80	0.10	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	0.20	0.27	0.39	0.70	0.53	0.62	1.29	1.86	0.99	0.66	0.58	0.31

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	M	8.6	7.5	7.7
2005	6.2	8.1	10.6	10.0	8.8	10.4	9.0	7.0	7.8	8.0	10.6	10.2
2006	10.3	11.9	9.0	10.9	10.5	9.6	8.3	7.1	6.2	8.9	9.0	8.1
2007	6.0	9.4	10.1	10.0	8.2	9.5	8.4	8.6	8.3	10.2	8.3	6.8
2008	5.0	M	M	12.7	11.6	10.7	9.0	7.3	8.6	9.8	10.6	8.4
2009	7.6	8.8	11.8	11.1	9.5	8.4	M	8.5	7.9	8.8	M	6.3
2010	7.5	7.7	9.5	12.4	11.9	10.2	M	M	M	M	M	M
2011	M	10.1	11.8	14.0	11.4	11.1	8.9	8.5	8.1	9.4	9.2	6.8
2012	8.9	9.9	10.6	11.1	9.7	10.2	9.3	8.6	9.3	11.2	8.4	1.3
2013	0.0	7.0	11.5	12.3	10.3	9.8	7.8	8.2	8.3	9.6	7.5	6.2
2014	8.1	10.5	11.5	11.7	10.1	11.5	6.8	6.8	7.7	9.1	8.4	7.9
2015	6.3	7.9	9.4	10.0	8.5	7.8	7.1	8.2	8.3	7.9	10.0	8.9
2016	6.4	10.5	11.7	8.6	9.0	9.1	9.1	7.5	8.3	8.8	9.4	7.4
2017	6.5	8.3	11.1	10.9	10.4	10.2	4.6	5.2	7.5	9.3	8.6	9.1
2018	8.6	10.8	9.7	M	M	10.3	8.1	7.0	0.3	0.2	1.4	1.0
2019	0.5	0.6	1.7	1.8	1.5	0.7	0.6	0.4	0.2	7.8	9.0	7.0
2020	7.9	10.2	9.2	11.5	10.3	10.3	8.3	8.7	9.0	9.5	9.1	9.2
2021	9.0	9.2	9.4	10.5	9.1	8.9	7.3	8.1	8.3	9.2	9.0	8.3
2022	8.7	8.4	10.7	12.8	11.8	9.1	7.3	7.3	8.0	8.7	8.9	9.9
2023	8.3	9.6	9.9	11.3	9.0	9.8	9.1	8.4	7.9	9.7	8.4	8.7
2024	9.8	9.3	7.8	10.8	10.5	8.7	8.6	7.7	8.0	8.4	11.8	10.3
2025	10.5	M	M	M	M	M	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
2004	M	M	M	M	M	M	M	M	66.37	61.60	47.03	40.94
2005	39.37	44.14	50.35	58.87	69.75	77.11	85.93	76.86	74.61	62.61	51.36	40.17
2006	40.13	46.46	50.29	64.94	73.40	81.46	82.17	77.52	69.03	59.23	50.60	39.78
2007	33.34	41.93	56.04	59.54	67.07	80.48	90.95	80.20	73.88	62.31	51.32	27.99
2008	24.96	M	M	63.14	66.55	78.38	83.27	79.55	74.06	62.77	49.64	30.55
2009	30.14	37.01	52.55	58.10	70.67	72.13	M	79.03	76.15	61.62	M	31.10
2010	37.28	35.21	48.49	58.40	70.38	80.93	M	M	M	M	M	M
2011	M	46.68	54.76	59.90	66.72	82.46	85.88	83.62	74.66	62.89	48.38	28.34
2012	36.99	38.27	58.77	65.48	73.11	84.57	86.69	82.92	75.68	65.12	52.82	52.16
2013	M	M	M	M	65.30	79.58	78.18	76.82	65.20	55.92	42.61	22.19
2014	27.76	39.52	50.87	55.52	65.48	77.30	76.28	71.92	70.45	62.25	46.33	35.31
2015	31.25	41.64	54.41	57.62	60.28	76.64	75.38	78.39	75.68	63.06	44.91	34.38
2016	30.61	44.04	50.58	55.64	63.47	80.30	82.52	74.45	72.54	65.10	50.36	34.96
2017	30.90	42.99	56.91	56.84	65.18	81.98	79.81	74.17	71.42	61.55	54.32	44.08
2018	41.93	43.44	43.83	M	M	81.22	83.27	78.92	74.36	58.19	42.38	34.26
2019	27.59	32.96	47.39	59.00	59.52	73.46	80.72	79.32	75.68	56.45	47.54	30.37
2020	31.94	39.39	51.57	59.12	72.18	77.66	80.54	83.85	72.08	65.62	47.66	33.74
2021	33.10	37.34	46.67	59.00	65.74	79.22	83.30	80.02	74.70	59.06	52.88	42.34
2022	38.85	37.01	49.07	58.64	69.39	77.72	80.08	78.34	76.22	59.17	42.02	38.27
2023	34.03	37.72	43.85	56.36	66.49	74.18	86.70	81.76	73.70	63.47	49.94	38.15
2024	37.34	41.99	46.91	62.21	64.40	79.76	81.41	78.68	73.88	65.27	42.74	43.44
2025	34.27	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	35.50	41.35	51.10	59.30	68.00	77.50	80.20	78.70	73.40	62.10	48.69	35.90

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	M	62.00	32.66	24.49	14.79
2005	18.05	22.19	24.26	28.29	38.41	43.15	51.48	50.11	42.23	35.53	22.69	14.19
2006	13.77	15.67	22.65	31.88	40.16	47.50	55.63	52.03	40.40	34.09	22.22	14.99
2007	3.95	16.25	27.24	31.34	38.50	45.62	54.50	49.60	42.20	31.13	20.60	5.12
2008	2.38	M	M	26.42	34.44	43.40	51.57	49.42	40.16	31.13	23.36	7.90
2009	7.61	15.35	23.52	29.54	42.39	45.20	M	47.75	45.55	32.41	M	10.85
2010	11.79	11.75	23.52	30.44	37.26	46.80	M	M	M	M	M	M
2011	M	20.51	25.21	29.42	34.03	46.10	54.88	53.89	44.96	34.79	21.56	4.54
2012	12.14	15.24	24.97	32.84	38.97	49.44	57.62	52.55	45.62	33.68	23.72	23.36
2013	M	M	M	M	42.80	44.72	50.21	49.01	42.00	28.11	17.54	0.47
2014	6.22	16.25	23.46	29.54	35.84	45.42	53.69	49.89	44.76	34.85	22.31	14.81
2015	13.30	19.79	28.11	28.10	36.94	46.64	48.80	49.01	43.10	36.65	21.70	9.82
2016	5.52	19.90	23.06	29.54	34.55	47.36	49.94	47.68	42.64	31.77	25.40	9.06
2017	9.88	19.53	26.25	29.72	35.42	44.90	50.22	47.69	40.94	30.49	24.62	15.16
2018	13.48	16.83	22.23	M	M	47.70	50.93	48.03	42.44	32.58	18.68	11.79
2019	5.17	8.73	25.03	30.44	33.16	41.96	49.19	48.78	42.44	24.68	21.26	9.59
2020	10.10	16.67	23.52	28.88	37.05	44.90	51.10	50.35	41.72	30.84	24.14	10.86
2021	10.52	14.39	21.80	28.46	36.01	45.98	52.06	47.91	45.40	31.07	25.40	13.65
2022	11.33	9.44	21.72	28.46	35.83	46.76	52.50	49.59	44.00	31.42	15.44	14.29
2023	10.75	9.82	18.99	26.00	37.92	42.26	51.51	49.88	41.18	32.52	21.32	15.68
2024	15.80	18.97	22.23	31.84	34.15	47.78	48.55	50.99	41.96	34.79	19.34	16.67
2025	10.02	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	7.00	11.58	21.50	26.90	36.40	43.61	49.60	48.70	40.40	29.70	19.59	7.51

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	M	64.19	47.13	35.76	27.86
2005	28.71	33.17	37.31	43.58	54.08	60.13	68.70	63.48	58.42	49.07	37.03	27.18
2006	26.95	31.07	36.47	48.41	56.78	64.48	68.90	64.78	54.71	46.66	36.41	27.38
2007	18.65	29.09	41.64	45.44	52.79	63.05	72.73	64.90	58.04	46.72	35.96	16.55
2008	13.67	M	M	44.78	50.49	60.89	67.42	64.49	57.11	46.95	36.50	19.23
2009	18.88	26.18	38.04	43.82	56.53	58.67	M	63.39	60.85	47.01	M	20.98
2010	24.54	23.48	36.01	44.42	53.82	63.87	M	M	M	M	M	M
2011	M	33.59	39.98	44.66	50.38	64.28	70.38	68.75	59.81	48.84	34.97	16.44
2012	24.57	26.76	41.87	49.16	56.04	67.01	72.15	67.74	60.65	49.40	38.27	37.76
2013	M	M	M	M	54.05	62.15	64.19	62.91	53.60	42.02	30.08	11.33
2014	16.99	27.89	37.17	42.53	50.66	61.36	64.98	60.91	57.61	48.55	34.32	25.06
2015	22.27	30.71	41.26	42.86	48.61	61.64	62.09	63.70	59.39	49.85	33.30	22.10
2016	18.06	31.97	36.82	42.59	49.01	63.83	66.23	61.06	57.59	48.43	37.88	22.01
2017	20.39	31.26	41.58	43.28	50.30	63.44	65.02	60.93	56.18	46.02	39.47	29.62
2018	27.70	30.14	33.03	M	M	64.46	67.10	63.47	58.40	45.38	30.53	23.03
2019	16.38	20.85	36.21	44.72	46.34	57.71	64.95	64.05	59.06	40.56	34.40	19.98
2020	21.02	28.03	37.55	44.00	54.62	61.28	65.82	67.10	56.90	48.23	35.90	22.30
2021	21.81	25.86	34.23	43.73	50.87	62.60	67.68	63.96	60.05	45.06	39.14	27.99
2022	25.09	23.22	35.40	43.55	52.61	62.24	66.29	63.96	60.11	45.30	28.73	26.28
2023	22.39	23.77	31.42	41.18	52.21	58.22	69.10	65.82	57.44	48.00	35.63	26.92
2024	26.57	30.48	34.57	47.03	49.27	63.77	64.98	64.84	57.92	50.03	31.04	30.05
2025	22.15	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	21.25	26.46	36.30	43.10	52.20	60.55	64.90	63.70	56.90	45.90	34.14	21.70

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	M	53.5%	60.2%	57.4%
2005	72.1%	62.5%	50.1%	41.2%	39.7%	34.1%	31.2%	52.3%	44.3%	53.7%	42.0%	48.1%
2006	49.0%	36.8%	50.1%	32.7%	31.0%	31.5%	51.5%	60.7%	48.5%	55.1%	48.7%	57.7%
2007	64.4%	52.3%	39.1%	42.6%	45.9%	30.7%	22.1%	49.7%	53.4%	46.7%	46.7%	73.4%
2008	70.3%	M	M	24.1%	40.1%	31.3%	48.1%	54.8%	44.8%	41.4%	49.8%	68.2%
2009	69.0%	55.9%	38.5%	43.4%	44.9%	51.1%	M	34.1%	51.1%	43.3%	M	58.9%
2010	58.9%	63.9%	51.9%	39.8%	28.4%	30.1%	M	M	M	M	M	M
2011	M	44.2%	37.6%	36.4%	34.8%	19.7%	42.1%	45.1%	48.6%	44.5%	44.9%	66.0%
2012	54.0%	55.1%	31.2%	31.6%	31.7%	23.5%	41.0%	46.0%	39.4%	31.8%	39.0%	44.4%
2013	M	M	M	M	19.1%	29.5%	55.0%	53.0%	60.1%	48.9%	61.2%	73.0%
2014	66.5%	60.2%	42.5%	42.5%	41.7%	28.3%	56.7%	60.7%	54.2%	49.5%	57.6%	65.2%
2015	74.8%	64.2%	47.9%	43.2%	60.4%	50.4%	66.7%	52.7%	45.5%	57.6%	55.8%	60.7%
2016	69.0%	52.1%	45.2%	56.6%	50.9%	41.2%	42.2%	59.8%	47.2%	40.7%	53.0%	66.5%
2017	75.4%	64.7%	43.9%	44.4%	45.3%	31.2%	46.4%	56.2%	53.8%	46.6%	50.7%	44.4%
2018	47.7%	52.5%	48.6%	M	M	27.9%	47.9%	47.1%	40.6%	56.7%	51.0%	59.9%
2019	72.6%	65.6%	61.2%	49.6%	54.8%	45.4%	46.7%	47.2%	42.8%	36.5%	52.9%	70.5%
2020	67.2%	55.5%	51.7%	38.4%	32.8%	35.5%	44.7%	36.5%	42.0%	35.4%	56.5%	58.2%
2021	64.7%	58.3%	52.4%	41.2%	45.6%	42.9%	51.4%	46.8%	44.0%	48.9%	44.2%	51.6%
2022	51.5%	55.0%	44.5%	35.9%	32.2%	40.1%	57.1%	58.6%	46.0%	51.9%	52.6%	55.9%
2023	65.7%	54.5%	53.1%	41.1%	48.4%	40.6%	31.4%	45.9%	44.3%	45.1%	45.8%	61.7%
2024	61.3%	58.6%	60.3%	39.2%	46.3%	46.1%	44.3%	57.8%	50.6%	50.0%	59.2%	51.2%
2025	54.7%	M	M	M	M	M	M	M	M	M	M	M