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 (USC00202094) 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
2006	M	M	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	0.00	0.00	0.00	0.00
2011	0.00	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	0.00	0.00	0.00
2013	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	1.31	2.32	2.97	2.22	4.86
2016	0.54	0.34	2.21	1.11	1.10	1.27	4.44	2.87	3.20	0.89	1.18	1.90
2017	0.61	0.78	1.59	2.01	2.73	4.23	3.06	3.13	1.55	5.34	1.54	1.25
2018	0.74	0.55	0.49	1.09	3.02	1.03	1.35	2.11	2.07	3.27	1.90	1.48
2019	0.82	1.75	0.31	2.57	2.54	3.93	1.20	2.16	5.29	4.30	1.54	1.07
2020	0.60	0.41	2.26	3.93	1.35	1.71	4.26	2.88	3.53	3.61	1.42	0.43
2021	0.04	0.46	1.28	1.45	1.30	3.59	4.77	3.53	3.18	2.34	0.72	1.67
2022	0.27	0.12	3.25	3.53	2.90	3.59	2.40	2.99	2.65	1.43	2.31	1.79
2023	1.50	0.64	0.73	2.91	1.85	3.18	1.49	2.60	0.27	3.25	0.96	0.15
2024	0.37	0.37	1.30	2.58	2.26	3.84	1.66	0.88	1.16	1.99	2.83	1.19
2025	0.11	0.15	3.04	1.75	1.39	3.35	2.84	3.41	1.06	2.29	1.24	0.41
2026	0.66	0.49	1.84	3.22	0.67	2.00	1.93	2.10	0.79	M	M	M
NCEI Climatology	1.93	1.36	1.75	2.44	2.62	3.06	3.07	3.35	3.61	3.83	2.58	2.32

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	M	5.9	6.0	6.1	4.2	4.7	4.5	4.6	5.8	5.3	6.5
2007	5.9	6.8	6.7	6.0	5.6	5.1	4.4	4.7	6.1	6.2	6.9	6.7
2008	6.6	4.9	6.3	6.5	6.5	5.6	5.1	4.5	4.9	5.9	6.3	7.1
2009	4.5	6.3	6.5	6.7	6.9	4.7	5.0	5.2	3.9	5.5	4.8	5.7
2010	6.0	5.1	4.8	6.1	5.8	4.8	4.3	4.6	5.8	5.3	7.4	6.9
2011	5.5	7.2	6.4	7.3	6.4	6.3	4.5	3.8	4.8	5.0	5.9	6.0
2012	6.1	5.5	5.7	6.0	5.3	5.1	3.9	4.6	4.1	6.7	5.9	5.7
2013	5.7	5.8	5.4	6.8	5.7	3.5	4.5	3.7	4.7	5.2	7.6	5.3
2014	6.3	5.3	4.2	5.2	4.7	4.4	4.7	3.9	4.6	5.7	6.1	5.6
2015	5.3	5.6	6.0	5.5	5.3	4.0	4.5	4.5	4.3	5.7	5.4	6.1
2016	4.7	6.1	4.4	5.0	4.7	4.9	4.2	3.8	4.3	5.4	5.4	6.0
2017	4.3	5.6	5.9	5.8	5.2	4.2	3.5	3.9	3.4	5.6	6.0	4.8
2018	5.6	4.8	4.4	4.9	4.3	3.7	4.1	3.6	4.6	5.6	5.1	4.8
2019	4.0	4.9	5.0	4.8	4.8	3.9	3.8	4.0	4.4	5.8	5.3	4.8
2020	5.3	5.4	5.0	5.2	5.1	3.9	3.4	3.6	4.3	4.9	6.1	5.1
2021	3.6	4.4	5.7	5.9	4.7	4.1	2.9	3.4	4.3	3.8	4.9	6.1
2022	5.1	5.4	5.0	5.9	5.3	4.6	3.5	3.8	3.8	4.8	5.7	5.0
2023	4.5	5.9	4.5	5.0	4.0	3.3	3.0	3.5	3.2	4.2	5.6	4.7
2024	4.2	4.2	5.7	5.9	4.3	4.9	2.9	3.7	3.7	5.0	5.1	4.7
2025	5.3	4.5	5.5	5.6	4.7	3.7	3.2	3.3	3.0	4.0	5.2	6.0
2026	4.0	4.5	5.1	5.4	4.3	3.6	3.4	3.1	3.1	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
2006	M	M	35.77	52.34	63.01	73.28	79.30	73.46	64.22	49.30	41.60	37.46
2007	27.88	20.81	36.94	47.12	64.16	73.70	74.68	72.61	66.20	56.72	38.90	29.74
2008	27.94	24.99	30.37	49.94	54.99	68.48	72.73	71.43	63.50	50.23	38.24	25.32
2009	18.24	24.67	31.94	44.48	57.72	67.70	68.87	69.61	68.24	48.90	45.74	28.69
2010	23.99	27.89	44.95	54.02	65.62	68.18	77.14	75.72	62.24	55.11	43.28	27.94
2011	20.97	30.84	34.03	45.80	62.95	70.52	80.77	76.94	67.88	57.61	46.22	33.93
2012	29.85	32.31	45.41	49.28	65.15	72.74	79.50	75.20	65.79	53.29	41.68	33.29
2013	27.52	25.08	33.23	41.44	62.81	69.59	75.42	74.90	65.80	55.58	40.00	22.76
2014	17.93	18.81	27.71	43.53	59.93	71.05	70.94	71.96	65.29	51.73	35.16	31.98
2015	22.04	14.09	32.44	47.23	63.06	68.40	76.48	72.81	70.86	53.62	47.40	39.73
2016	26.87	28.53	38.06	43.72	62.71	70.83	76.72	77.15	70.51	57.19	48.76	30.70
2017	28.84	31.30	32.11	49.05	59.01	70.05	74.48	71.51	71.19	59.16	40.25	24.62
2018	23.83	26.53	32.42	40.54	68.23	72.52	80.41	77.33	67.96	50.47	34.24	32.93
2019	18.64	23.12	32.73	45.77	57.11	68.68	78.28	75.30	69.04	55.63	38.71	34.15
2020	30.55	29.80	37.53	45.26	58.88	73.36	79.54	74.25	63.16	49.03	47.98	32.61
2021	28.65	24.11	40.02	50.19	62.39	74.58	76.08	77.74	67.44	61.05	42.93	34.53
2022	20.03	21.51	32.59	42.92	63.07	69.54	74.06	74.90	67.07	54.46	44.25	32.73
2023	30.80	31.54	36.54	49.96	64.85	74.31	77.49	74.34	71.34	56.60	42.71	37.55
2024	27.85	35.38	41.14	51.90	65.29	71.06	77.59	77.20	73.49	61.17	46.10	32.83
2025	25.52	26.42	37.19	47.48	62.27	72.76	77.82	74.86	68.56	59.01	41.59	29.87
2026	22.66	28.56	35.08	47.46	60.03	73.19	79.47	75.41	72.44	M	M	M
NCEI Climatology	23.90	25.72	34.10	45.90	59.30	69.90	75.00	73.99	66.10	52.90	40.90	30.89

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	M	19.86	32.84	45.30	51.98	58.94	54.94	47.54	36.47	32.60	24.86
2007	14.87	4.49	19.52	28.94	42.32	51.38	54.94	54.54	48.50	44.00	27.80	20.04
2008	16.21	6.99	15.16	33.02	37.17	51.02	54.80	52.03	47.06	35.72	29.00	11.15
2009	-0.86	7.38	17.08	30.14	37.81	49.40	52.09	54.37	49.58	36.70	33.62	15.68
2010	11.39	13.81	25.26	33.20	45.06	51.56	58.86	58.42	47.18	37.92	31.28	16.21
2011	1.86	12.14	17.60	30.38	43.67	51.26	60.74	58.19	48.68	41.35	34.82	23.60
2012	14.41	20.33	26.25	30.92	43.15	53.06	58.83	56.15	46.01	39.98	30.50	21.73
2013	12.89	8.54	18.42	28.00	40.96	50.65	56.37	55.85	48.37	39.82	27.82	6.99
2014	2.68	0.92	5.03	27.94	39.97	51.27	52.73	54.47	47.88	39.33	23.98	21.53
2015	3.10	-6.33	12.98	30.07	41.63	48.36	55.58	56.95	55.44	39.43	32.81	29.26
2016	13.27	12.83	24.60	26.30	40.26	48.67	57.10	60.08	53.59	42.02	33.55	18.78
2017	19.18	17.93	16.58	32.68	41.01	51.60	55.78	56.02	51.90	43.83	27.85	10.09
2018	8.86	8.81	16.15	21.67	43.28	50.38	59.59	58.95	51.10	37.00	24.59	20.50
2019	9.06	13.26	15.89	31.49	39.17	49.88	58.80	55.67	54.15	41.77	27.86	21.39
2020	20.56	13.84	21.54	28.38	39.95	50.11	60.21	58.49	48.26	35.13	31.75	22.10
2021	18.26	6.12	22.77	33.65	40.49	54.57	57.40	61.09	50.07	46.46	30.80	21.32
2022	2.02	7.81	17.58	28.57	42.67	48.03	54.15	56.75	50.38	37.20	30.99	23.03
2023	20.60	14.14	20.67	32.86	41.92	54.05	57.84	55.10	53.20	44.55	29.88	28.47
2024	18.91	19.47	26.36	34.10	44.39	54.23	59.25	58.91	52.85	42.54	34.53	23.90
2025	11.30	11.58	21.54	31.04	42.95	52.02	58.69	57.73	51.08	43.68	30.21	15.69
2026	8.13	11.67	18.43	30.42	39.09	51.51	59.70	57.49	52.38	M	M	M
NCEI Climatology	8.70	8.80	17.00	29.90	41.50	51.60	57.60	57.99	51.30	39.71	29.60	18.80

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	M	27.82	42.59	54.15	62.63	69.12	64.20	55.88	42.89	37.10	31.16
2007	21.37	12.65	28.23	38.03	53.24	62.54	64.81	63.57	57.35	50.36	33.35	24.89
2008	22.07	15.99	22.77	41.48	46.08	59.75	63.77	61.73	55.28	42.97	33.62	18.24
2009	8.69	16.03	24.51	37.31	47.76	58.55	60.48	61.99	58.91	42.80	39.68	22.19
2010	17.69	20.85	35.11	43.61	55.34	59.87	68.00	67.07	54.71	46.52	37.28	22.07
2011	11.42	21.49	25.82	38.09	53.31	60.89	70.76	67.56	58.28	49.48	40.52	28.77
2012	22.13	26.32	35.83	40.10	54.15	62.90	69.16	65.68	55.90	46.64	36.09	27.51
2013	20.20	16.81	25.82	34.72	51.89	60.12	65.89	65.37	57.09	47.70	33.91	14.87
2014	10.30	9.86	16.37	35.73	49.95	61.16	61.83	63.21	56.59	45.53	29.57	26.75
2015	12.57	3.88	22.71	38.65	52.35	58.38	66.03	64.88	63.15	46.53	40.10	34.49
2016	20.07	20.68	31.33	35.01	51.49	59.75	66.91	68.61	62.05	49.61	41.15	24.74
2017	24.01	24.61	24.35	40.87	50.01	60.82	65.13	63.77	61.54	51.50	34.05	17.35
2018	16.35	17.67	24.29	31.11	55.75	61.45	70.00	68.14	59.53	43.74	29.41	26.72
2019	13.85	18.19	24.31	38.63	48.14	59.28	68.54	65.49	61.59	48.70	33.28	27.77
2020	25.55	21.82	29.54	36.82	49.41	61.74	69.88	66.37	55.71	42.08	39.87	27.35
2021	23.46	15.12	31.40	41.92	51.44	64.58	66.74	69.41	58.76	53.75	36.86	27.92
2022	11.02	14.66	25.08	35.74	52.87	58.78	64.10	65.83	58.72	45.83	37.62	27.88
2023	25.70	22.84	28.60	41.41	53.39	64.18	67.67	64.72	62.27	50.58	36.30	33.01
2024	23.38	27.42	33.75	43.00	54.84	62.64	68.42	68.05	63.17	51.86	40.32	28.36
2025	18.41	19.00	29.36	39.26	52.61	62.39	68.25	66.29	59.82	51.35	35.90	22.78
2026	15.39	20.12	26.75	38.94	49.56	62.35	69.59	66.45	62.41	M	M	M
NCEI Climatology	16.30	17.26	25.55	37.90	50.40	60.75	66.30	65.99	58.70	46.30	35.25	24.85

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
2006	M	M	73.2%	66.8%	72.1%	69.4%	73.7%	74.3%	79.5%	78.6%	82.3%	82.8%
2007	79.5%	65.6%	70.8%	69.7%	60.9%	68.8%	72.5%	73.5%	77.4%	79.0%	76.7%	81.2%
2008	81.1%	78.4%	71.3%	68.9%	70.5%	76.2%	75.5%	79.2%	82.2%	79.8%	82.5%	86.1%
2009	82.6%	80.9%	77.3%	70.3%	68.9%	77.9%	81.6%	82.7%	83.9%	85.5%	86.9%	84.3%
2010	81.7%	77.1%	69.6%	69.0%	67.7%	81.1%	78.2%	83.0%	84.9%	79.9%	79.6%	77.6%
2011	76.3%	71.0%	68.6%	72.5%	67.3%	69.8%	69.3%	75.4%	77.7%	77.4%	77.7%	84.7%
2012	84.3%	81.9%	80.1%	70.6%	67.1%	74.1%	72.9%	75.0%	79.5%	80.6%	79.0%	85.2%
2013	83.0%	83.5%	78.8%	80.1%	70.2%	75.8%	78.6%	79.5%	80.2%	81.5%	78.4%	78.8%
2014	76.4%	75.4%	71.8%	72.8%	78.8%	78.3%	83.9%	84.9%	83.9%	86.3%	84.0%	85.1%
2015	77.7%	71.2%	74.4%	68.7%	73.7%	76.6%	71.9%	81.5%	79.5%	78.7%	82.7%	87.2%
2016	83.9%	80.4%	81.8%	71.5%	68.8%	70.0%	77.2%	80.6%	81.8%	80.0%	84.3%	82.0%
2017	84.9%	79.5%	72.1%	75.0%	72.5%	77.0%	79.9%	81.5%	76.8%	75.1%	73.3%	78.2%
2018	79.0%	76.8%	70.1%	67.8%	63.0%	68.1%	69.9%	77.5%	79.1%	80.5%	79.3%	83.7%
2019	75.7%	79.2%	72.9%	71.1%	71.0%	71.1%	71.8%	71.4%	81.4%	80.4%	78.3%	83.2%
2020	79.6%	73.2%	77.5%	67.4%	64.2%	68.4%	73.4%	78.2%	77.2%	77.4%	76.3%	79.1%
2021	82.6%	75.3%	69.7%	69.7%	62.3%	69.4%	71.9%	78.3%	82.6%	85.6%	80.1%	84.2%
2022	76.6%	72.7%	78.2%	77.3%	69.1%	73.4%	76.7%	79.5%	82.2%	81.0%	77.3%	81.4%
2023	80.2%	73.1%	68.2%	71.5%	68.8%	74.6%	80.3%	77.2%	79.5%	83.0%	75.7%	83.6%
2024	83.9%	80.4%	73.0%	70.9%	70.7%	77.5%	77.3%	72.4%	76.8%	70.0%	82.9%	82.7%
2025	75.0%	75.2%	76.7%	68.2%	65.7%	72.3%	74.1%	76.6%	81.5%	77.2%	75.5%	78.4%
2026	79.8%	79.7%	77.5%	74.1%	64.9%	72.7%	72.5%	78.1%	77.6%	M	M	M