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 (USC00477142) 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	5.77	1.65	1.41
2005	0.38	0.54	0.91	4.42	2.00	6.05	2.02	1.86	4.54	4.19	2.38	0.28
2006	0.69	0.34	1.96	0.95	8.38	0.31	6.84	8.02	3.38	1.86	1.98	2.83
2007	0.51	0.08	2.26	1.30	3.98	3.92	4.71	3.93	6.46	5.75	0.31	0.93
2008	0.34	0.45	0.96	3.07	4.20	3.20	2.72	2.44	2.85	2.54	0.74	0.72
2009	0.13	0.38	1.69	2.86	3.75	3.04	1.19	5.40	0.53	5.26	0.38	0.40
2010	0.60	0.00	0.69	1.18	1.17	8.21	8.22	8.64	8.91	3.52	1.13	0.59
2011	0.37	0.13	1.71	3.44	4.52	5.12	3.38	4.74	2.58	2.12	0.87	1.24
2012	0.40	1.31	1.19	2.61	5.29	5.29	3.99	1.85	1.41	0.06	0.00	0.32
2013	0.52	0.64	1.17	1.88	0.21	0.03	0.20	0.18	0.84	5.64	2.25	1.31
2014	0.69	1.18	0.53	3.62	4.10	5.23	4.06	7.39	6.96	2.97	1.78	1.22
2015	0.15	0.01	0.03	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	0.00	0.00	M	M	M	M	M
2017	M	M	M	M	M	0.01	M	M	M	M	M	M
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	M	M
2021	M	M	M	M	M	M	M	M	M	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	1.17	3.84	3.13	0.26	0.41
2024	0.10	0.23	1.79	1.97	4.08	5.95	3.79	2.94	0.31	1.53	2.55	0.54
2025	0.05	0.32	2.33	2.46	1.02	7.42	2.43	1.62	1.62	0.64	0.41	0.54
2026	0.79	0.43	0.65	4.01	1.66	3.37	1.28	0.20	M	M	M	M
NCEI Climatology	1.18	1.12	1.81	2.86	3.60	4.16	3.68	3.43	3.57	2.96	1.76	1.44

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	6.1	4.3	6.6
2005	5.0	4.8	5.1	5.6	5.7	5.0	3.6	4.0	4.2	3.8	5.9	4.0
2006	5.7	5.4	5.3	6.5	5.8	4.2	3.9	3.3	4.0	5.4	4.3	4.6
2007	5.5	6.4	6.5	6.5	5.7	4.3	3.5	3.9	4.8	5.5	6.1	4.1
2008	5.1	4.8	4.7	6.2	5.9	5.2	4.1	3.7	4.1	4.8	5.2	5.6
2009	4.5	5.9	5.7	6.1	6.1	4.4	4.6	4.0	2.6	5.0	3.9	5.1
2010	5.2	4.4	3.9	5.9	4.7	3.9	3.4	3.7	4.8	4.2	6.0	5.7
2011	5.2	6.6	5.9	6.9	6.3	6.2	3.2	2.7	3.7	4.6	4.2	3.8
2012	5.5	5.0	5.1	5.1	4.8	3.6	2.6	2.9	3.3	4.3	4.1	4.0
2013	5.2	4.8	5.2	5.7	4.6	3.0	2.9	2.3	2.7	4.1	5.1	3.5
2014	4.8	3.9	3.5	4.2	2.6	2.8	2.6	2.1	2.7	3.7	3.1	1.5
2015	2.7	2.7	3.3	3.8	3.8	2.7	3.0	3.2	2.1	4.0	4.0	4.1
2016	3.9	4.9	3.3	4.6	3.8	3.8	2.8	2.3	2.9	3.0	3.1	5.1
2017	3.7	4.9	5.1	4.6	3.9	3.3	1.9	2.8	2.2	3.4	4.4	4.4
2018	4.1	3.7	3.9	4.6	3.0	3.0	2.4	1.6	2.3	3.8	3.7	3.5
2019	3.9	3.8	4.2	4.0	3.5	2.3	2.1	2.1	2.7	3.7	3.6	3.2
2020	3.5	4.0	3.8	4.6	3.8	2.7	1.9	1.9	2.3	3.4	3.9	3.2
2021	2.4	3.4	4.0	3.4	2.5	1.9	1.6	1.3	2.0	2.4	3.9	3.2
2022	3.7	4.2	4.5	4.7	3.0	2.9	2.2	1.3	1.6	2.6	3.2	3.0
2023	2.1	3.3	4.2	6.0	4.2	2.9	3.0	3.1	3.3	4.4	4.7	4.0
2024	4.1	5.0	5.6	6.8	4.5	4.6	2.4	3.2	2.6	4.4	2.1	0.0
2025	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	2.9	4.0	0.7	0.0
2026	0.0	0.0	0.0	1.7	5.2	3.4	2.3	2.4	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	56.13	44.66	28.69
2005	24.16	34.25	38.97	60.50	63.88	80.60	83.74	80.48	76.76	60.51	43.10	27.35
2006	34.09	27.89	37.57	58.40	63.70	73.28	82.81	74.10	62.30	48.37	40.04	30.43
2007	24.57	19.01	42.10	51.74	69.86	77.18	78.80	77.06	69.92	59.23	36.92	23.93
2008	21.84	23.31	33.74	51.02	61.96	72.20	78.34	79.32	69.98	55.81	39.68	23.46
2009	19.28	28.91	38.14	52.03	64.71	71.84	72.83	73.56	72.35	46.58	46.66	23.25
2010	22.61	29.40	49.89	61.29	68.85	71.49	78.69	78.67	64.00	58.28	40.07	23.71
2011	18.44	28.38	40.25	58.76	65.75	74.76	82.79	77.17	72.80	66.90	58.74	53.93
2012	27.85	31.81	52.44	54.56	69.10	75.44	81.70	75.78	67.46	51.10	39.86	29.15
2013	23.46	24.41	31.94	43.16	64.36	71.04	76.99	76.34	69.89	53.51	35.52	17.08
2014	13.05	16.71	30.70	46.40	65.97	74.94	73.40	73.91	66.58	52.00	29.16	26.15
2015	19.64	14.85	40.34	55.11	66.73	72.21	77.96	72.95	72.32	55.76	45.76	33.62
2016	22.74	28.41	44.16	50.97	66.78	74.61	78.07	77.21	69.88	57.66	48.30	23.69
2017	24.36	34.32	36.88	54.78	62.25	77.22	79.67	71.43	71.19	56.77	36.20	20.92
2018	22.95	25.06	36.98	43.19	74.57	76.03	78.55	76.66	66.73	48.74	30.11	29.22
2019	17.90	21.95	34.41	48.30	60.99	73.09	79.50	73.23	67.31	49.56	31.88	26.92
2020	25.83	27.72	39.28	49.06	62.56	75.31	79.21	75.67	63.69	45.08	44.00	28.61
2021	25.88	19.63	45.10	53.17	63.62	77.89	78.07	76.85	69.91	59.64	40.37	31.10
2022	19.05	23.68	35.78	46.08	68.15	75.98	78.84	76.37	70.32	57.55	41.92	25.63
2023	26.92	31.72	37.84	50.90	69.94	78.00	78.92	78.54	71.91	55.12	42.36	38.21
2024	26.22	40.58	44.22	54.66	68.47	73.71	78.68	76.85	75.92	62.80	43.05	29.46
2025	23.54	26.09	43.85	51.88	67.78	74.46	80.30	75.72	71.99	61.14	41.83	24.50
2026	18.84	32.58	45.02	56.45	67.54	75.82	82.38	79.19	M	M	M	M
NCEI Climatology	20.51	25.77	36.90	50.20	64.00	72.70	76.50	74.30	66.40	53.00	38.00	25.70

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	41.87	28.04	11.04
2005	5.46	15.09	14.06	35.30	41.70	56.12	56.56	53.95	48.02	38.79	26.48	14.81
2006	21.26	5.26	17.89	32.54	41.81	46.16	53.25	49.25	38.42	28.52	25.82	16.38
2007	8.14	-0.91	19.81	26.90	43.26	49.22	53.08	52.32	46.16	40.36	20.18	5.99
2008	4.54	-1.83	10.28	29.30	34.26	49.40	52.21	48.95	47.42	35.02	24.02	2.33
2009	-6.09	7.43	16.33	28.11	37.59	47.59	46.17	48.27	41.62	31.73	27.14	6.52
2010	3.22	6.84	20.90	32.88	40.33	50.04	55.87	55.88	39.89	31.84	22.34	8.03
2011	1.05	-4.37	0.52	0.18	23.95	37.44	54.03	49.23	37.02	32.92	22.29	4.36
2012	7.61	12.76	31.83	29.24	41.00	49.10	54.76	47.27	36.74	31.13	22.40	15.80
2013	3.55	3.78	10.86	26.00	39.16	48.74	53.11	48.81	42.19	34.12	19.67	-2.34
2014	-7.12	-7.81	6.79	25.23	40.20	52.85	49.50	50.89	41.11	33.74	12.78	11.99
2015	3.66	-9.89	16.22	29.09	41.02	46.77	51.17	52.37	48.65	33.96	25.53	23.44
2016	5.84	10.39	24.83	29.27	38.35	49.81	53.90	53.61	47.76	35.94	27.53	11.34
2017	7.48	14.28	15.65	31.75	38.36	50.47	52.67	48.24	45.25	36.02	20.23	3.71
2018	2.68	-0.82	11.76	18.60	45.01	51.08	51.04	52.64	44.66	31.59	17.01	14.07
2019	5.27	8.06	9.81	27.81	36.91	47.07	53.76	47.80	49.22	32.03	19.20	11.06
2020	10.91	0.37	22.47	24.92	38.87	48.94	54.90	50.93	41.60	27.39	24.80	12.18
2021	7.82	-6.37	20.47	29.26	37.02	51.16	51.30	51.14	41.22	37.77	21.23	11.98
2022	-4.95	-1.83	15.57	28.54	43.81	48.19	53.74	52.77	43.81	33.94	23.76	10.00
2023	15.03	9.08	16.00	30.25	40.54	49.07	50.79	51.53	49.95	36.22	22.51	24.24
2024	15.76	14.40	21.18	31.73	41.28	51.15	51.99	53.05	44.00	34.84	28.40	15.10
2025	3.20	3.14	20.50	28.71	39.12	52.04	56.39	52.10	47.05	36.49	23.80	6.94
2026	0.77	10.15	20.68	31.87	38.40	50.28	56.78	52.14	M	M	M	M
NCEI Climatology	2.20	3.44	14.59	28.70	42.51	53.00	57.20	55.30	47.80	35.69	23.20	10.70

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	49.00	36.35	19.86
2005	14.81	24.67	26.51	47.90	52.79	68.36	70.15	67.22	62.39	49.65	34.79	21.08
2006	27.67	16.57	27.73	45.47	52.76	59.72	68.03	61.67	50.36	38.45	32.93	23.41
2007	16.35	9.05	30.95	39.32	56.56	63.20	65.94	64.69	58.04	49.80	28.55	14.96
2008	13.19	10.74	22.01	40.16	48.11	60.80	65.27	64.14	58.70	45.41	31.85	12.90
2009	6.60	18.17	27.23	40.07	51.15	59.71	59.50	60.91	56.98	39.16	36.90	14.88
2010	12.91	18.12	35.39	47.08	54.59	60.77	67.28	67.28	51.94	45.06	31.20	15.87
2011	9.75	12.01	20.38	29.47	44.85	56.10	68.41	63.20	54.91	49.91	40.51	29.14
2012	17.73	22.29	42.13	41.90	55.05	62.27	68.23	61.53	52.10	41.12	31.13	22.48
2013	13.51	14.10	21.40	34.58	51.76	59.89	65.05	62.58	56.04	43.82	27.60	7.37
2014	2.96	4.45	18.75	35.82	53.09	63.90	61.45	62.40	53.84	42.87	20.97	19.07
2015	11.65	2.48	28.28	42.10	53.88	59.49	64.57	62.66	60.48	44.86	35.64	28.53
2016	14.29	19.40	34.50	40.12	52.57	62.21	65.98	65.41	58.82	46.80	37.91	17.52
2017	15.92	24.30	26.26	43.26	50.30	63.85	66.17	59.83	58.22	46.39	28.22	12.31
2018	12.82	12.12	24.37	30.89	59.79	63.56	64.80	64.65	55.69	40.17	23.56	21.65
2019	11.58	15.00	22.11	38.05	48.95	60.08	66.63	60.51	58.27	40.79	25.54	18.99
2020	18.37	14.04	30.88	36.99	50.72	62.13	67.05	63.30	52.65	36.23	34.40	20.40
2021	16.85	6.63	32.79	41.21	50.32	64.53	64.69	63.99	55.57	48.70	30.80	21.54
2022	7.05	10.92	25.67	37.31	55.98	62.09	66.29	64.57	57.06	45.75	32.84	17.82
2023	20.97	20.40	26.92	40.57	55.24	63.53	64.85	65.04	60.93	45.67	32.43	31.22
2024	20.99	27.49	32.70	43.19	54.87	62.43	65.34	64.95	59.96	48.82	35.72	22.28
2025	13.37	14.61	32.17	40.30	53.45	63.25	68.34	63.91	59.52	48.81	32.82	15.72
2026	9.80	21.36	32.85	44.16	52.97	63.05	69.58	65.67	M	M	M	M
NCEI Climatology	11.35	14.61	25.75	39.45	53.25	62.85	66.85	64.80	57.10	44.35	30.60	18.20

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	65.2%	69.8%	74.1%
2005	68.6%	70.5%	60.0%	54.2%	62.4%	66.8%	64.8%	64.7%	66.4%	73.9%	76.3%	78.6%
2006	77.8%	63.8%	64.1%	50.6%	74.0%	69.8%	71.4%	77.3%	80.6%	74.1%	82.1%	88.7%
2007	81.5%	72.0%	74.6%	65.1%	63.1%	69.3%	73.0%	73.4%	74.2%	76.4%	71.1%	82.0%
2008	76.4%	72.1%	64.9%	67.2%	62.7%	70.2%	71.0%	74.8%	79.9%	78.6%	82.7%	81.8%
2009	76.4%	73.7%	67.5%	59.2%	59.6%	71.0%	70.7%	76.7%	76.4%	81.1%	74.3%	78.0%
2010	77.3%	69.8%	62.3%	55.0%	63.4%	77.7%	76.1%	76.5%	79.7%	72.5%	77.2%	79.8%
2011	76.2%	69.9%	68.0%	69.9%	65.5%	71.7%	76.6%	78.6%	80.7%	73.2%	77.0%	80.4%
2012	75.9%	71.8%	71.7%	62.7%	65.4%	70.4%	74.8%	72.8%	71.0%	75.7%	78.5%	84.0%
2013	77.7%	78.2%	70.4%	72.1%	68.0%	78.6%	74.1%	76.7%	79.9%	78.3%	78.8%	80.7%
2014	74.6%	72.0%	67.6%	72.3%	66.8%	75.8%	78.0%	82.8%	81.1%	78.0%	81.9%	87.4%
2015	77.4%	68.1%	62.0%	58.4%	71.1%	76.8%	74.8%	81.9%	81.0%	77.1%	81.0%	87.3%
2016	80.4%	75.5%	75.2%	65.0%	65.9%	74.2%	77.7%	81.6%	82.6%	80.3%	80.9%	79.3%
2017	80.5%	70.9%	68.2%	71.1%	70.4%	72.1%	76.4%	81.6%	81.5%	78.2%	77.1%	77.9%
2018	77.0%	70.0%	62.1%	62.0%	62.2%	74.2%	76.5%	83.0%	82.0%	80.6%	80.5%	82.7%
2019	75.2%	78.1%	68.5%	69.7%	68.9%	72.6%	77.2%	81.0%	85.0%	80.0%	79.0%	85.6%
2020	82.9%	68.4%	74.5%	64.7%	64.9%	72.7%	78.8%	80.0%	80.9%	75.7%	75.9%	80.9%
2021	83.7%	70.4%	65.2%	69.9%	68.9%	73.3%	76.5%	82.6%	79.9%	83.2%	72.6%	79.3%
2022	72.1%	68.4%	70.3%	70.9%	66.0%	68.1%	74.4%	79.6%	79.5%	74.4%	77.3%	80.7%
2023	84.2%	70.8%	67.7%	67.8%	59.6%	67.5%	73.1%	72.8%	77.8%	78.5%	70.3%	81.0%
2024	80.3%	69.2%	61.8%	63.4%	67.5%	73.5%	76.2%	76.3%	67.7%	58.8%	75.0%	74.7%
2025	64.2%	62.2%	60.4%	61.1%	54.2%	69.7%	69.1%	72.7%	74.1%	69.4%	73.1%	79.5%
2026	77.0%	72.3%	67.6%	68.4%	56.5%	74.0%	75.4%	71.2%	M	M	M	M