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 (USC00470773) 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	0.70	1.15	1.08	2.07	7.82	1.76	0.12
2006	0.41	0.12	1.15	0.59	2.61	1.35	3.35	3.73	3.14	1.07	0.91	1.14
2007	0.35	0.07	1.47	0.78	1.82	1.46	2.34	1.61	5.56	4.43	0.09	0.39
2008	0.07	0.16	0.37	2.17	2.02	4.48	2.21	1.17	2.80	2.12	0.48	0.41
2009	0.16	0.12	1.16	1.46	1.51	2.65	1.57	4.66	0.48	4.07	0.23	0.66
2010	0.66	0.00	0.78	1.69	1.72	6.04	4.34	6.35	6.21	2.01	0.78	0.56
2011	0.11	0.12	0.79	2.50	2.33	3.95	2.99	5.74	1.24	1.43	0.70	0.84
2012	0.10	1.00	0.95	2.18	3.55	4.10	3.19	1.01	1.02	1.80	0.50	0.25
2013	0.78	0.43	0.91	2.86	4.33	4.36	1.07	2.13	1.19	5.10	0.99	0.85
2014	0.11	0.46	0.45	2.99	5.50	5.04	2.21	4.37	3.81	1.46	0.70	0.39
2015	0.03	0.03	0.38	2.10	6.86	0.79	M	0.07	2.30	3.26	2.72	1.96
2016	0.20	0.55	2.55	2.61	3.85	3.78	3.50	3.82	3.12	2.78	1.13	0.74
2017	0.75	0.82	0.92	3.96	5.71	4.24	3.20	5.80	1.89	3.27	0.36	0.31
2018	0.04	0.51	0.41	0.23	1.68	4.61	4.36	3.15	3.08	5.28	1.37	0.83
2019	0.15	0.73	0.67	2.19	5.66	3.41	4.28	3.42	4.10	3.88	0.85	1.30
2020	0.27	0.14	1.98	2.55	2.02	6.04	4.31	3.72	1.03	1.42	1.06	0.70
2021	0.13	0.48	1.60	2.40	2.39	3.31	6.00	3.58	2.51	1.38	1.88	0.66
2022	0.02	0.05	1.52	3.21	2.75	1.22	2.34	5.83	1.95	0.98	1.94	0.82
2023	0.59	1.16	2.38	3.10	0.93	2.03	1.63	0.59	0.34	M	M	0.99
2024	0.04	0.26	1.79	1.91	4.75	1.84	0.92	2.28	1.51	1.51	1.47	0.78
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	1.03	1.11	1.74	3.06	3.90	4.56	3.80	4.19	3.73	3.24	1.96	1.42

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	15.3	5.5	4.9	6.1	5.6	7.7	4.9
2006	7.2	7.0	6.4	8.0	7.7	5.7	5.7	4.8	5.7	7.4	6.1	6.8
2007	6.9	7.6	7.7	8.3	8.1	6.6	4.6	5.4	7.2	7.5	7.8	5.5
2008	6.2	5.8	6.1	8.1	7.6	6.6	5.7	4.9	6.0	6.7	7.5	7.6
2009	5.6	7.5	8.1	7.9	8.3	5.8	5.8	5.5	3.9	7.1	5.4	7.0
2010	6.8	5.5	5.6	7.9	6.5	5.5	5.3	6.0	6.7	6.2	8.1	7.4
2011	6.5	8.0	6.9	8.6	8.6	7.9	5.1	4.4	5.6	6.8	6.8	6.2
2012	7.3	6.7	7.3	7.7	7.1	5.9	4.9	5.1	5.8	6.7	6.8	6.2
2013	7.5	7.0	7.1	8.5	8.0	6.1	6.0	5.0	6.1	7.1	8.3	6.0
2014	8.0	6.7	7.3	8.6	6.5	6.3	6.5	4.7	5.9	7.7	8.2	6.3
2015	7.2	7.1	7.5	8.5	7.2	5.4	5.8	6.2	5.7	6.7	7.7	7.7
2016	6.7	7.6	6.2	8.5	6.2	6.9	5.6	4.9	6.5	6.5	6.1	8.7
2017	6.1	8.1	8.5	7.8	7.1	6.5	4.6	5.5	6.0	7.6	7.6	7.0
2018	7.4	6.2	6.7	7.4	5.8	6.4	5.3	4.3	5.1	5.4	7.0	6.8
2019	7.2	6.7	6.8	7.4	6.9	5.7	5.1	4.7	6.6	7.4	7.0	6.3
2020	6.8	6.5	7.6	8.2	7.4	6.5	4.4	5.2	6.0	6.7	6.2	5.3
2021	4.5	5.5	6.8	6.2	5.2	4.9	3.4	3.6	3.7	3.7	4.1	3.0
2022	2.3	2.4	1.8	3.3	3.6	7.1	5.3	5.0	5.4	6.5	7.5	5.4
2023	5.9	6.9	7.3	9.0	6.0	5.2	4.6	4.8	5.7	6.9	6.9	5.8
2024	6.3	6.9	7.7	9.3	7.0	6.8	4.4	5.0	3.2	7.3	8.1	7.4
2025	7.5	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
2005	M	M	M	M	M	81.00	80.54	77.35	73.70	58.54	41.30	25.09
2006	32.75	26.66	39.20	61.34	66.55	76.10	85.42	76.88	64.46	50.35	41.48	32.70
2007	25.67	19.79	43.26	53.72	69.34	76.94	78.86	76.36	68.96	58.83	39.75	23.84
2008	21.14	23.12	33.39	50.43	62.48	72.38	78.10	79.15	70.28	56.97	40.88	23.35
2009	17.43	29.75	41.05	55.32	64.75	70.39	71.21	73.77	73.13	48.13	48.57	24.31
2010	22.77	29.85	52.46	62.86	69.40	73.40	80.37	80.39	65.80	59.77	41.71	24.69
2011	17.64	27.86	40.90	62.49	67.98	79.09	85.69	78.92	77.44	63.64	49.73	45.12
2012	28.37	33.61	53.54	55.94	70.32	77.54	83.45	78.16	70.34	52.67	42.20	30.20
2013	24.51	25.89	32.99	44.54	65.23	73.56	79.18	79.44	72.61	55.04	37.57	18.16
2014	14.41	16.80	31.94	48.23	67.44	75.96	75.76	77.07	68.48	54.67	30.73	27.92
2015	21.75	16.42	42.59	57.13	67.90	74.96	79.85	74.99	73.90	57.77	47.53	35.09
2016	23.39	29.24	46.03	53.37	68.89	76.50	80.18	78.52	71.35	60.20	50.19	24.78
2017	25.13	35.56	39.28	55.98	64.08	75.96	79.95	73.67	72.98	57.90	38.08	21.98
2018	24.11	25.34	38.45	44.72	76.03	78.10	80.11	77.72	70.65	50.50	31.62	30.45
2019	19.65	22.51	35.55	51.40	63.26	75.40	81.33	76.13	70.29	51.87	33.58	28.41
2020	27.25	28.83	41.70	51.88	64.81	78.44	83.07	78.73	67.04	48.25	45.51	31.11
2021	27.06	20.22	47.68	56.04	66.84	81.57	81.11	79.41	73.33	62.95	42.53	31.30
2022	18.56	23.34	36.46	47.30	68.45	76.94	79.79	77.20	70.58	58.39	41.56	24.97
2023	25.99	29.47	36.20	50.59	70.37	79.34	79.61	78.15	72.04	56.18	43.22	39.40
2024	27.69	39.80	43.72	52.87	67.92	74.01	79.87	76.53	75.24	62.68	42.70	28.45
2025	20.16	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	21.60	27.49	38.91	52.91	66.10	75.20	79.20	77.40	69.40	55.51	39.80	27.10

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	61.60	57.95	54.30	48.68	38.04	25.46	13.19
2006	19.75	6.16	21.95	37.22	45.47	51.50	58.77	55.46	43.40	32.35	27.92	20.33
2007	10.52	2.49	23.75	31.94	46.05	54.22	56.45	55.86	49.04	42.39	27.85	7.52
2008	4.36	1.21	15.39	32.54	38.27	52.46	56.56	54.88	50.42	38.39	27.14	3.72
2009	-4.70	11.04	22.53	33.69	41.55	49.48	49.70	52.70	48.74	35.38	31.07	9.43
2010	6.32	8.87	26.98	39.07	46.07	55.30	61.53	60.89	45.78	37.53	25.77	9.95
2011	3.59	-2.32	5.17	1.58	25.44	38.45	40.92	50.64	23.18	33.25	27.07	9.24
2012	11.36	18.28	36.18	35.00	46.69	54.20	61.55	53.31	42.74	34.67	26.48	17.43
2013	6.39	7.83	14.00	29.78	43.29	54.66	58.67	54.90	47.91	37.99	21.80	0.18
2014	-7.61	-8.21	11.09	29.53	45.45	56.58	56.84	57.64	46.98	36.81	16.75	16.69
2015	6.65	-4.89	20.96	34.57	45.21	53.82	57.93	56.32	54.31	37.87	30.26	26.03
2016	6.41	10.82	29.89	35.18	43.83	55.43	59.63	59.14	53.05	41.55	31.76	12.65
2017	9.92	17.38	21.84	35.99	43.47	54.26	57.45	54.05	51.99	40.55	22.38	7.53
2018	3.58	-0.51	18.03	21.68	49.77	57.73	57.77	57.82	51.32	35.24	20.99	17.74
2019	9.73	9.61	15.65	33.03	41.86	52.94	61.03	55.20	53.57	36.36	22.22	10.47
2020	12.87	3.59	27.25	31.34	44.83	55.25	61.17	57.26	46.21	32.26	28.05	15.97
2021	11.77	-1.62	26.74	34.15	43.51	57.78	56.93	57.65	48.32	43.42	24.92	12.76
2022	-3.16	-0.36	18.99	31.07	46.05	53.41	58.50	56.90	48.58	36.78	25.15	9.34
2023	15.37	8.79	17.17	32.24	46.56	55.07	54.62	56.44	55.62	42.95	26.37	28.57
2024	16.64	17.29	23.12	33.89	44.86	53.80	58.70	56.42	50.78	38.72	30.14	16.63
2025	5.01	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	2.00	4.28	16.90	31.40	44.11	54.60	58.40	56.10	47.69	36.00	24.10	10.80

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	71.30	69.25	65.82	61.19	48.29	33.38	19.14
2006	26.25	16.41	30.58	49.28	56.01	63.80	72.09	66.17	53.93	41.35	34.70	26.51
2007	18.09	11.14	33.51	42.83	57.69	65.58	67.65	66.11	59.00	50.61	33.80	15.68
2008	12.75	12.17	24.39	41.49	50.38	62.42	67.33	67.01	60.35	47.68	34.01	13.54
2009	6.36	20.40	31.79	44.50	53.15	59.94	60.46	63.23	60.94	41.75	39.82	16.87
2010	14.55	19.36	39.72	50.96	57.73	64.35	70.95	70.64	55.79	48.65	33.74	17.32
2011	10.61	12.77	23.04	32.04	46.71	58.77	63.30	64.78	50.31	48.45	38.40	27.18
2012	19.87	25.95	44.86	45.47	58.51	65.87	72.50	65.74	56.54	43.67	34.34	23.81
2013	15.45	16.86	23.49	37.16	54.26	64.11	68.92	67.17	60.26	46.51	29.68	9.17
2014	3.40	4.29	21.52	38.88	56.45	66.27	66.30	67.36	57.73	45.74	23.74	22.31
2015	14.20	5.77	31.77	45.85	56.56	64.39	68.89	65.65	64.11	47.82	38.89	30.56
2016	14.90	20.03	37.96	44.27	56.36	65.96	69.90	68.83	62.20	50.87	40.97	18.71
2017	17.53	26.47	30.56	45.99	53.78	65.11	68.70	63.86	62.49	49.23	30.23	14.75
2018	13.85	12.41	28.24	33.20	62.90	67.91	68.94	67.77	60.99	42.87	26.30	24.10
2019	14.69	16.06	25.60	42.22	52.56	64.17	71.18	65.66	61.93	44.12	27.90	19.44
2020	20.06	16.21	34.48	41.61	54.82	66.84	72.12	67.99	56.62	40.26	36.78	23.54
2021	19.42	9.30	37.21	45.10	55.17	69.68	69.02	68.53	60.82	53.18	33.73	22.03
2022	7.70	11.49	27.72	39.18	57.25	65.18	69.15	67.05	59.58	47.59	33.36	17.15
2023	20.68	19.13	26.68	41.41	58.47	67.20	67.11	67.30	63.83	49.56	34.79	33.99
2024	22.17	28.55	33.42	43.38	56.39	63.91	69.28	66.47	63.01	50.70	36.42	22.54
2025	12.58	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	11.80	15.88	27.90	42.15	55.10	64.90	68.80	66.75	58.55	45.75	31.95	18.95

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	91.8%	85.9%	87.0%	86.3%	90.1%	92.5%	97.5%
2006	95.9%	85.1%	85.5%	71.3%	81.9%	70.1%	69.8%	80.1%	84.0%	77.7%	83.8%	88.2%
2007	83.7%	74.0%	77.8%	62.4%	67.0%	70.7%	75.4%	77.4%	78.2%	81.4%	73.3%	85.6%
2008	78.2%	74.5%	66.4%	72.3%	61.6%	72.5%	72.1%	66.4%	72.3%	66.6%	79.7%	80.3%
2009	75.9%	74.5%	70.0%	46.6%	51.0%	71.0%	73.0%	78.0%	78.9%	82.7%	75.3%	79.6%
2010	80.1%	72.1%	64.6%	55.6%	66.2%	78.4%	76.7%	78.0%	79.3%	71.7%	77.9%	82.4%
2011	79.9%	74.8%	69.3%	69.9%	64.7%	70.8%	76.3%	78.7%	80.3%	72.2%	75.7%	83.1%
2012	79.2%	76.6%	72.6%	62.3%	66.2%	70.0%	73.8%	70.8%	66.9%	74.1%	76.9%	83.5%
2013	78.2%	78.1%	70.9%	73.4%	68.0%	75.4%	71.4%	73.4%	76.4%	77.6%	77.2%	82.2%
2014	73.8%	73.1%	67.3%	72.0%	65.7%	74.7%	74.7%	80.1%	79.3%	75.5%	79.3%	86.0%
2015	76.6%	67.5%	62.0%	56.8%	70.2%	72.8%	71.4%	79.1%	77.5%	74.9%	77.5%	85.9%
2016	79.8%	75.0%	73.8%	63.0%	63.9%	71.1%	75.4%	79.6%	80.0%	75.0%	79.1%	78.9%
2017	80.6%	69.6%	65.3%	69.0%	68.1%	70.4%	74.9%	79.7%	78.1%	74.3%	76.3%	76.6%
2018	76.5%	69.3%	60.7%	61.8%	61.4%	71.3%	74.9%	83.9%	77.3%	79.2%	78.8%	83.2%
2019	74.0%	76.8%	69.2%	69.3%	68.1%	70.6%	76.6%	78.2%	84.9%	80.0%	79.1%	85.9%
2020	83.5%	68.3%	73.8%	63.0%	62.1%	69.7%	77.5%	79.9%	79.4%	72.7%	77.5%	83.4%
2021	85.9%	70.1%	64.2%	69.6%	68.2%	69.9%	78.3%	81.8%	78.0%	81.5%	71.6%	80.9%
2022	72.5%	69.3%	71.1%	72.1%	66.5%	67.5%	77.3%	83.6%	82.5%	81.7%	88.1%	91.0%
2023	95.2%	84.3%	81.2%	79.1%	70.7%	77.8%	83.3%	86.3%	91.7%	88.1%	81.8%	92.2%
2024	82.6%	71.4%	61.6%	66.8%	69.5%	79.5%	77.6%	79.4%	76.7%	66.3%	82.7%	83.3%
2025	70.9%	M	M	M	M	M	M	M	M	M	M	M