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 (USC00478951) 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	2.39	1.71	1.41
2005	0.30	0.73	0.52	3.68	1.94	2.17	1.26	4.25	1.51	0.64	1.78	0.30
2006	0.61	0.11	0.60	0.76	3.80	1.41	0.34	1.35	2.76	1.46	1.10	2.48
2007	0.21	0.38	1.89	0.76	1.19	1.25	3.36	3.70	1.50	2.34	0.00	1.30
2008	1.03	0.58	0.94	2.01	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2009	0.00	0.00	0.00	0.03	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2010	0.00	3.95	0.60	2.33	2.07	4.76	6.85	3.16	3.06	1.69	0.77	0.26
2011	0.11	0.38	1.36	3.41	2.52	3.02	1.55	0.31	2.49	1.13	1.08	0.58
2012	0.08	0.75	1.68	2.19	5.09	1.69	1.22	3.26	1.65	3.73	0.77	0.60
2013	0.61	0.52	1.11	2.60	2.55	4.01	1.06	0.93	1.15	0.69	1.56	0.16
2014	0.26	0.55	0.45	1.08	2.82	5.02	0.96	5.96	2.70	3.07	0.50	0.69
2015	0.05	0.06	0.30	2.17	3.34	2.03	1.97	1.86	4.86	1.68	1.97	2.98
2016	0.42	0.35	3.13	0.75	0.67	0.34	0.73	0.40	0.38	0.25	0.16	0.10
2017	0.04	0.29	0.62	2.40	1.70	2.03	1.45	4.15	0.93	2.17	0.11	0.05
2018	0.02	0.40	0.38	1.58	4.69	4.31	1.60	4.65	4.05	3.54	1.09	0.43
2019	0.65	0.62	0.83	2.19	3.61	3.47	2.91	0.72	6.72	2.76	1.64	1.13
2020	0.23	0.21	2.17	0.98	4.72	4.88	1.87	0.88	2.61	2.97	2.06	0.10
2021	0.26	0.16	1.23	1.74	2.12	6.00	7.27	4.29	0.58	1.16	0.45	0.57
2022	0.02	0.06	2.31	2.12	2.84	4.13	3.00	4.23	3.87	0.39	2.15	0.77
2023	0.54	0.70	2.31	1.64	1.51	1.76	2.44	2.00	4.26	3.92	0.05	1.13
2024	0.25	0.19	1.11	2.33	6.42	5.37	4.65	4.53	2.13	1.82	3.55	0.49
2025	M	0.17	1.83	2.13	1.39	1.82	M	M	M	M	M	M
NCEI Climatology	1.41	1.16	1.94	3.44	4.07	4.49	3.77	3.86	3.34	2.61	2.06	1.71

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	5.1	5.1	7.8
2005	5.6	5.3	6.0	6.4	6.6	6.1	4.6	4.6	4.7	5.0	7.7	5.6
2006	7.1	6.9	6.0	7.4	6.4	4.7	5.0	4.1	5.4	6.6	5.1	6.8
2007	6.8	8.0	7.0	7.9	7.0	5.5	4.5	4.4	5.5	6.7	7.5	5.5
2008	6.6	6.0	6.0	8.0	6.9	6.3	4.9	4.3	4.5	5.7	6.2	7.2
2009	6.0	7.2	7.0	7.4	7.7	5.2	5.2	5.0	3.0	5.9	4.8	6.2
2010	6.7	5.3	4.4	7.6	6.4	5.0	4.6	4.6	5.8	5.6	7.4	6.9
2011	6.4	7.8	6.3	8.5	7.5	7.1	4.5	3.7	5.0	5.5	6.0	5.8
2012	6.8	6.7	7.7	7.1	7.0	5.8	4.4	4.3	4.6	6.2	5.6	5.8
2013	7.1	6.7	6.4	7.9	6.5	4.7	4.9	3.9	4.7	5.9	7.6	6.3
2014	7.1	7.7	6.7	8.2	6.1	6.0	5.8	3.8	4.4	6.5	7.0	5.3
2015	6.6	7.0	7.2	7.4	6.8	4.6	4.9	5.4	4.2	6.2	7.0	7.1
2016	6.4	6.7	5.8	7.0	6.0	5.5	4.7	3.8	5.1	4.3	3.7	6.2
2017	3.4	5.2	7.7	7.2	6.5	6.1	4.2	4.6	4.4	6.4	6.8	7.2
2018	6.9	6.7	6.4	6.8	5.6	5.8	4.5	3.9	4.6	6.3	6.5	5.6
2019	6.6	6.5	6.4	6.9	6.0	4.8	4.4	3.9	5.7	6.7	6.0	5.4
2020	6.1	6.4	6.6	0.2	5.4	5.3	4.5	4.3	5.4	6.1	6.9	5.9
2021	5.2	5.9	7.4	6.4	5.6	5.1	4.0	3.8	4.3	4.5	6.5	6.6
2022	6.7	7.6	7.1	9.0	6.6	5.5	4.7	3.9	4.4	5.6	7.2	6.5
2023	5.3	6.7	6.3	8.1	5.1	4.2	4.2	4.2	4.2	5.1	5.7	4.9
2024	5.5	5.9	7.2	8.3	5.8	5.7	3.3	4.2	3.3	5.5	7.0	6.2
2025	8.2	6.7	7.3	7.6	5.7	4.7	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	M	53.60	45.02	29.62
2005	24.05	33.35	38.15	59.96	63.18	81.14	81.41	78.74	74.72	59.58	42.68	25.67
2006	34.50	27.90	41.29	57.75	67.23	75.97	86.35	78.05	66.74	51.97	44.66	34.96
2007	30.03	23.25	45.24	53.30	71.43	79.64	82.05	77.93	72.20	62.31	40.76	27.30
2008	23.29	24.37	35.31	53.60	64.17	75.08	81.30	82.69	71.78	57.37	41.36	23.06
2009	18.70	29.62	40.47	55.38	67.23	74.75	76.99	78.20	76.78	52.47	52.55	29.20
2010	27.11	33.17	52.63	65.12	72.55	77.19	83.76	84.68	70.53	64.21	47.23	28.47
2011	24.09	32.93	44.29	65.22	70.46	76.46	85.34	81.24	69.26	62.77	46.64	36.06
2012	33.86	37.34	58.19	59.00	74.62	83.72	91.17	83.10	72.74	57.72	45.80	35.89
2013	29.10	29.69	36.06	49.51	70.45	77.64	83.99	83.86	76.86	59.87	42.77	24.24
2014	20.17	22.06	36.58	52.86	70.39	80.71	80.55	81.77	72.18	58.13	35.68	32.57
2015	26.76	21.51	47.14	60.46	72.45	78.01	84.15	79.61	78.75	61.72	52.09	41.30
2016	28.01	33.82	48.64	55.44	72.02	80.50	84.43	83.59	75.64	63.40	54.64	29.50
2017	28.85	40.11	41.58	61.49	67.78	80.81	84.20	77.88	77.21	62.75	44.38	28.00
2018	29.66	31.64	43.38	48.27	77.64	80.73	84.35	82.70	73.85	56.05	37.18	34.85
2019	24.06	26.95	40.45	55.39	65.92	76.89	85.49	79.76	74.22	56.33	38.00	33.63
2020	33.13	33.32	45.38	54.56	68.17	81.79	86.32	84.42	71.07	53.85	52.26	35.55
2021	30.78	30.00	50.62	60.84	70.21	84.89	83.26	83.75	76.66	65.55	46.22	36.85
2022	24.51	29.93	41.20	50.78	71.42	79.31	82.99	80.91	73.07	61.82	47.34	33.43
2023	31.31	36.12	40.62	58.01	72.65	82.20	84.95	82.11	76.33	60.31	47.76	41.53
2024	29.44	45.11	50.16	59.77	72.35	78.57	82.59	81.13	79.92	67.67	48.34	34.16
2025	28.64	29.96	48.30	57.55	69.55	77.14	M	M	M	M	M	M
NCEI Climatology	25.10	29.38	41.30	55.11	68.19	77.40	82.00	79.50	71.70	57.90	43.10	30.20

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	M	39.80	29.24	15.05
2005	8.77	18.69	17.72	34.58	42.16	57.68	57.39	56.49	51.02	38.85	27.26	13.19
2006	24.34	13.28	24.16	35.46	45.95	51.48	59.58	55.81	45.14	33.80	29.36	22.19
2007	14.81	6.74	26.25	33.14	45.82	53.42	56.50	58.13	48.32	42.68	25.28	11.97
2008	7.26	5.43	18.41	35.36	39.61	53.96	57.90	56.91	49.46	36.41	25.82	3.84
2009	-1.04	12.20	20.86	32.40	43.81	54.01	52.61	56.01	50.08	38.43	33.16	14.88
2010	11.84	17.52	28.70	40.47	49.00	59.08	63.90	62.70	48.83	38.85	27.75	13.37
2011	7.37	4.86	14.52	24.83	44.17	56.54	64.28	59.81	47.84	40.36	31.82	22.94
2012	15.97	22.38	38.15	36.32	49.77	57.56	64.69	58.13	45.56	37.40	28.22	22.59
2013	11.21	11.94	19.92	33.86	47.66	57.48	59.99	58.49	50.24	39.54	26.70	7.09
2014	0.12	0.05	16.40	34.42	46.96	59.88	56.88	60.09	49.12	39.32	21.07	20.42
2015	12.30	1.59	23.74	35.16	48.51	55.75	59.28	59.66	56.38	40.67	32.73	29.61
2016	12.65	17.85	30.77	35.11	46.61	57.55	61.93	62.86	55.61	43.22	34.15	18.14
2017	16.39	21.28	25.51	39.02	46.52	57.42	60.90	57.51	52.38	44.36	26.88	13.64
2018	13.09	12.72	23.74	26.66	53.10	59.88	62.75	62.61	52.73	38.29	25.55	22.22
2019	13.40	16.12	20.19	35.82	45.18	56.55	64.20	56.80	56.29	38.79	25.44	19.63
2020	19.32	12.43	30.12	33.84	46.11	57.08	64.33	59.14	49.84	34.28	31.74	20.95
2021	17.26	10.74	29.32	38.19	46.07	60.01	61.06	61.26	51.05	47.02	27.68	20.21
2022	5.73	11.03	25.42	34.44	51.08	56.38	60.72	60.02	51.64	37.81	28.97	22.04
2023	21.97	17.90	24.81	36.95	45.90	56.43	60.08	59.23	55.16	42.20	27.39	29.24
2024	20.61	22.93	28.11	37.92	49.03	58.23	61.03	60.22	52.61	40.14	34.16	20.00
2025	11.73	11.83	27.34	35.07	46.46	56.48	M	M	M	M	M	M
NCEI Climatology	7.61	10.57	21.29	32.70	44.89	54.70	58.80	57.21	48.91	36.89	25.82	14.50

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	M	46.70	37.13	22.33
2005	16.41	26.02	27.94	47.27	52.67	69.41	69.40	67.61	62.87	49.22	34.97	19.43
2006	29.42	20.59	32.73	46.61	56.59	63.72	72.96	66.93	55.94	42.89	37.01	28.57
2007	22.42	14.99	35.75	43.22	58.62	66.53	69.28	68.03	60.26	52.50	33.02	19.63
2008	15.28	14.90	26.86	44.48	51.89	64.52	69.60	69.80	60.62	46.89	33.59	13.45
2009	8.83	20.91	30.67	43.89	55.52	64.38	64.80	67.11	63.43	45.45	42.85	22.04
2010	19.47	25.34	40.66	52.79	60.78	68.13	73.83	73.69	59.68	51.53	37.49	20.92
2011	15.73	18.89	29.41	45.03	57.32	66.50	74.81	70.53	58.55	51.57	39.23	29.50
2012	24.92	29.86	48.17	47.66	62.19	70.64	77.93	70.61	59.15	47.56	37.01	29.24
2013	20.15	20.81	27.99	41.68	59.05	67.56	71.99	71.18	63.55	49.70	34.74	15.67
2014	10.14	11.06	26.49	43.64	58.68	70.29	68.71	70.93	60.65	48.73	28.38	26.50
2015	19.53	11.55	35.44	47.81	60.48	66.88	71.72	69.63	67.57	51.20	42.41	35.45
2016	20.33	25.83	39.71	45.28	59.32	69.02	73.18	73.23	65.62	53.31	44.39	23.82
2017	22.62	30.69	33.55	50.25	57.15	69.12	72.55	67.70	64.80	53.56	35.63	20.82
2018	21.38	22.18	33.56	37.47	65.37	70.30	73.55	72.65	63.29	47.17	31.36	28.54
2019	18.73	21.53	30.32	45.60	55.55	66.72	74.85	68.28	65.25	47.56	31.72	26.63
2020	26.22	22.88	37.75	44.20	57.14	69.43	75.32	71.78	60.45	44.06	42.00	28.25
2021	24.02	20.37	39.97	49.52	58.14	72.45	72.16	72.51	63.85	56.29	36.95	28.53
2022	15.12	20.48	33.31	42.61	61.25	67.85	71.85	70.46	62.36	49.81	38.16	27.73
2023	26.64	27.01	32.71	47.48	59.28	69.32	72.52	70.67	65.74	51.25	37.57	35.39
2024	25.02	34.02	39.13	48.85	60.69	68.40	71.81	70.67	66.27	53.90	41.25	27.08
2025	20.18	20.90	37.82	46.31	58.01	66.81	M	M	M	M	M	M
NCEI Climatology	16.35	19.97	31.30	43.90	56.54	66.05	70.40	68.36	60.30	47.40	34.46	22.35

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	77.9%	80.1%	82.1%
2005	81.6%	83.8%	74.3%	65.7%	72.7%	75.5%	75.7%	77.8%	80.6%	83.0%	84.2%	89.2%
2006	87.0%	75.2%	76.6%	64.9%	75.4%	71.9%	72.2%	74.0%	76.7%	74.7%	80.7%	84.0%
2007	78.2%	70.2%	74.2%	69.0%	65.2%	70.5%	73.1%	80.4%	79.4%	76.4%	67.1%	79.3%
2008	75.3%	72.8%	66.9%	69.5%	66.1%	73.2%	74.0%	72.5%	76.9%	73.5%	75.2%	77.8%
2009	72.1%	71.7%	69.9%	58.3%	60.4%	70.3%	68.3%	73.3%	73.0%	77.4%	70.8%	72.8%
2010	71.2%	66.8%	61.5%	54.6%	62.1%	72.7%	73.3%	73.1%	73.5%	65.6%	70.2%	74.5%
2011	69.9%	68.6%	64.6%	65.7%	63.1%	66.3%	69.2%	70.8%	74.6%	69.1%	73.2%	75.1%
2012	71.6%	69.5%	67.5%	58.9%	59.1%	56.0%	61.7%	63.5%	65.9%	69.6%	72.0%	77.9%
2013	71.2%	72.1%	65.1%	67.8%	63.0%	70.9%	66.4%	66.9%	71.0%	72.6%	69.4%	73.2%
2014	63.5%	63.5%	60.0%	61.8%	61.5%	70.4%	68.3%	76.4%	77.5%	74.1%	75.0%	80.2%
2015	68.9%	59.9%	55.6%	54.8%	65.2%	73.3%	67.6%	75.0%	77.9%	73.8%	73.5%	80.3%
2016	72.7%	69.6%	70.7%	62.5%	60.5%	69.2%	74.8%	77.6%	79.9%	79.0%	75.0%	72.1%
2017	75.9%	66.8%	64.0%	63.8%	63.4%	68.5%	73.3%	76.1%	75.9%	73.3%	67.5%	68.4%
2018	68.5%	64.7%	57.5%	57.1%	62.9%	70.6%	70.4%	80.0%	80.8%	75.6%	70.4%	78.5%
2019	70.4%	73.6%	62.4%	65.5%	66.9%	69.8%	73.1%	74.0%	81.3%	74.9%	73.0%	79.6%
2020	75.4%	61.5%	70.5%	60.3%	59.1%	67.3%	71.3%	68.6%	74.7%	68.1%	69.4%	71.6%
2021	77.1%	66.8%	60.2%	59.8%	62.2%	65.4%	72.0%	75.7%	72.9%	77.3%	64.9%	72.3%
2022	65.3%	63.0%	65.8%	65.0%	62.4%	64.4%	70.2%	76.1%	78.2%	71.1%	70.7%	75.7%
2023	80.2%	67.2%	67.0%	60.6%	57.3%	61.7%	63.9%	69.4%	76.2%	74.8%	64.4%	78.2%
2024	77.0%	66.2%	56.8%	60.3%	65.9%	70.5%	73.5%	73.4%	70.7%	61.3%	77.8%	74.7%
2025	61.6%	64.2%	63.7%	62.2%	60.4%	66.6%	M	M	M	M	M	M