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 (USC00051660) 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
2001	M	M	M	M	M	M	M	M	0.19	0.27	0.81	0.30
2002	0.61	0.07	0.53	0.51	0.49	0.10	1.37	1.35	1.87	0.62	0.60	0.28
2003	0.30	0.87	2.53	1.57	1.34	1.58	0.90	2.45	1.35	0.59	0.70	0.31
2004	0.47	0.62	0.75	1.64	0.41	0.79	2.15	1.03	1.11	0.64	0.59	0.08
2005	0.09	0.02	0.04	0.16	0.06	0.11	0.00	0.02	0.01	0.05	M	0.00
2006	0.05	0.00	0.00	0.02	0.00	0.00	0.09	0.04	0.04	0.00	0.00	0.00
2007	0.00	0.01	0.00	0.02	0.02	0.00	0.03	0.17	0.00	0.33	0.00	0.00
2008	0.00	0.00	0.00	0.20	0.02	0.01	0.01	0.01	0.03	0.02	0.00	0.01
2009	0.00	0.00	0.00	0.15	0.00	0.02	0.00	0.00	0.02	0.06	0.00	0.00
2010	0.00	0.00	0.03	0.01	0.00	0.00	0.35	0.03	M	M	M	0.00
2011	0.00	0.02	0.10	1.06	1.66	0.82	2.87	1.63	1.34	0.36	0.32	0.06
2012	0.09	0.01	0.06	0.30	0.64	0.70	3.24	4.02	0.97	0.36	0.01	M
2013	M	0.00	0.28	0.75	1.73	0.11	1.84	3.16	2.49	M	0.08	0.10
2014	0.10	0.01	0.14	0.39	1.28	0.10	1.61	1.90	1.03	0.66	0.08	0.04
2015	0.13	0.33	0.33	0.26	1.75	1.47	3.30	0.92	0.76	1.19	0.25	0.11
2016	0.10	0.12	0.24	0.17	0.01	0.99	1.16	2.25	0.63	0.47	0.17	0.09
2017	0.09	0.10	0.31	0.41	1.40	0.33	2.95	2.04	1.11	0.65	M	M
2018	0.00	0.00	0.11	0.36	0.37	0.55	0.68	0.60	0.36	0.93	0.20	0.10
2019	0.23	0.06	0.33	0.62	1.71	1.22	0.66	1.86	0.53	0.38	0.10	M
2020	M	0.00	0.00	0.00	0.86	0.32	1.80	1.28	0.22	0.36	0.12	0.12
2021	0.20	0.02	0.37	0.15	0.91	2.53	3.46	1.71	1.53	0.44	0.33	0.01
2022	0.07	0.29	0.21	0.45	0.88	1.22	2.52	4.26	1.15	1.32	0.11	0.01
2023	0.05	0.05	0.04	0.29	1.08	2.25	1.89	2.00	0.95	0.24	0.19	0.11
2024	0.07	M	M	M	0.00	0.00	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	2.34	2.12	2.38	2.90	1.97	1.10	2.41	2.55	1.80	1.69	1.99	2.05

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	M	M	M	M	M	M	M	M	9.5	12.2	7.0	11.7
2002	10.8	10.7	12.7	15.3	8.8	4.2	8.7	9.6	9.8	10.0	10.2	8.6
2003	10.0	9.5	12.4	11.2	11.1	10.3	9.4	8.4	9.5	10.4	12.8	11.3
2004	8.8	9.8	11.6	12.9	13.8	10.4	8.7	9.0	10.2	11.4	6.5	11.4
2005	10.2	8.8	10.5	12.3	10.7	10.6	9.2	7.8	9.9	7.8	M	12.0
2006	10.9	12.2	12.4	12.0	11.3	9.8	6.5	6.4	7.8	11.1	11.6	9.6
2007	10.1	12.3	10.2	11.2	8.7	9.6	6.7	7.6	10.8	7.4	12.2	11.5
2008	12.0	11.4	12.2	12.8	10.9	10.9	6.3	8.5	12.5	14.9	15.4	18.5
2009	16.4	17.7	16.3	14.1	9.0	8.9	14.1	13.7	14.6	17.6	14.4	18.0
2010	15.5	16.6	15.9	18.9	19.5	16.0	13.4	11.4	M	M	M	19.1
2011	17.7	18.7	20.2	20.1	18.4	16.4	13.4	13.5	13.6	16.4	17.8	16.1
2012	18.8	18.4	16.6	16.5	15.0	15.5	12.0	13.0	13.3	18.9	16.8	M
2013	M	15.7	18.4	17.9	15.2	15.5	12.6	12.2	11.7	M	14.3	17.3
2014	20.4	22.8	17.8	17.4	15.0	15.6	13.5	13.4	13.8	15.0	18.4	13.9
2015	14.0	16.6	13.8	14.6	12.6	13.0	12.5	14.2	7.0	10.1	14.1	14.1
2016	12.7	16.0	17.1	14.9	11.3	9.1	10.7	7.9	10.7	11.9	9.6	9.9
2017	8.3	12.4	14.7	10.7	10.8	12.0	7.4	8.5	10.7	11.2	14.9	18.6
2018	12.4	14.1	14.7	15.6	10.9	11.0	9.8	9.8	10.1	10.6	12.4	10.8
2019	11.6	14.8	12.5	14.3	11.5	11.2	9.7	10.5	11.6	13.5	13.4	11.0
2020	12.5	13.8	13.0	13.5	11.6	12.2	10.0	9.4	11.7	18.0	13.5	4.9
2021	12.1	15.3	11.4	12.5	12.3	9.5	7.9	8.9	9.3	10.7	13.5	14.4
2022	11.7	11.6	11.8	17.0	13.9	11.1	7.9	6.6	8.6	8.9	11.5	14.7
2023	12.6	13.0	13.7	13.5	8.9	9.0	10.8	9.1	8.9	10.1	10.0	10.8
2024	11.9	12.7	10.5	13.9	14.0	11.2	9.2	9.1	9.3	11.0	11.2	11.5
2025	15.8	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
2001	M	M	M	M	M	M	M	M	56.43	37.44	33.85	17.33
2002	17.50	14.75	20.60	34.69	40.14	59.97	65.17	58.23	47.68	33.36	23.62	16.79
2003	21.82	14.62	22.74	30.14	40.19	49.54	64.97	58.99	51.17	46.41	25.31	24.16
2004	21.58	19.86	34.00	35.63	44.81	54.46	59.50	57.38	50.83	39.30	28.94	21.88
2005	25.72	24.97	24.61	34.94	44.35	53.22	64.99	57.32	54.03	47.51	M	20.15
2006	21.32	20.11	25.92	36.56	38.20	59.43	63.70	57.66	45.98	35.60	28.52	22.54
2007	21.66	20.41	31.25	35.48	43.79	56.18	65.15	61.10	54.58	49.49	32.56	17.31
2008	15.22	19.83	22.88	28.88	37.52	50.12	60.86	56.45	51.32	38.27	28.04	18.75
2009	20.81	20.20	23.41	26.51	41.54	47.72	62.14	62.48	54.74	36.41	35.96	19.17
2010	26.14	21.46	31.19	36.02	43.38	60.74	66.49	60.20	M	M	M	27.03
2011	21.57	21.65	30.84	33.38	41.41	57.20	65.97	65.10	56.36	43.76	30.74	25.06
2012	27.12	24.49	39.55	42.26	50.35	66.26	67.48	63.94	56.96	43.28	37.24	M
2013	M	17.40	29.85	34.10	44.83	61.52	65.85	63.82	60.72	M	30.76	22.77
2014	23.43	24.35	30.90	34.70	44.77	57.08	65.39	59.70	57.92	45.94	30.62	26.77
2015	29.56	28.00	37.64	37.40	42.34	61.58	61.38	63.70	59.52	48.84	31.95	23.74
2016	24.61	28.92	32.61	34.29	41.00	66.50	65.19	60.81	58.10	47.61	38.43	24.39
2017	23.48	29.97	36.65	36.77	44.73	61.00	66.43	62.03	57.43	44.86	37.77	33.25
2018	26.17	25.00	32.10	37.50	51.58	63.87	69.45	65.71	61.25	41.39	26.83	24.52
2019	26.13	23.04	30.90	37.14	40.19	53.63	66.25	64.83	61.33	39.50	34.37	26.32
2020	23.24	23.86	32.06	36.47	49.58	59.30	65.74	68.05	59.10	49.06	36.23	26.52
2021	25.84	21.89	31.39	38.50	46.77	63.57	69.00	63.56	61.28	44.35	35.97	28.71
2022	27.84	23.68	30.46	35.77	46.68	59.70	65.90	64.87	61.40	44.97	29.17	24.82
2023	21.48	24.29	25.83	36.08	48.13	54.37	67.23	65.29	60.17	45.94	35.60	27.74
2024	22.97	28.24	31.55	38.77	42.97	62.00	65.97	65.10	61.43	51.65	31.30	31.06
2025	27.45	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	26.70	28.79	35.30	40.30	48.80	61.20	66.79	64.10	58.10	46.81	35.20	26.50

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	M	M	M	M	M	M	M	M	41.77	23.17	16.74	4.15
2002	2.71	-1.41	5.83	20.87	26.12	41.91	44.35	40.63	32.83	21.12	10.31	5.91
2003	10.83	3.33	10.25	17.43	26.81	32.81	46.39	42.34	33.69	31.65	13.35	11.73
2004	8.65	7.12	21.03	22.07	30.61	38.17	44.06	41.48	35.53	25.86	16.09	10.73
2005	14.87	12.17	10.99	20.89	30.61	37.24	46.97	41.26	37.33	29.97	M	8.37
2006	6.39	5.90	12.51	21.92	26.00	42.80	47.27	42.92	31.46	24.39	16.10	10.86
2007	5.81	17.66	18.47	21.02	29.74	40.70	47.50	47.22	39.20	37.66	20.58	4.19
2008	1.57	6.92	9.47	14.00	23.17	34.82	44.48	41.81	34.34	24.80	16.34	8.60
2009	10.66	10.10	11.05	13.64	30.92	34.34	46.40	45.94	39.38	24.45	23.90	7.21
2010	14.23	10.21	17.48	23.06	29.45	44.84	49.01	45.65	M	M	M	17.46
2011	10.09	8.79	18.94	20.66	28.86	42.50	49.71	49.07	40.88	31.10	19.16	14.51
2012	13.54	10.96	23.35	28.46	34.61	48.38	49.94	48.43	41.24	29.00	26.76	M
2013	M	5.80	16.73	20.72	32.23	46.28	48.95	47.79	45.58	M	21.42	11.21
2014	10.90	13.42	17.25	22.22	31.94	41.84	48.90	44.72	42.98	32.46	18.26	16.67
2015	18.24	17.07	24.26	24.87	31.30	46.52	46.86	47.85	44.19	33.90	19.77	12.21
2016	13.32	16.23	17.87	20.29	29.00	50.70	50.81	44.08	40.80	33.81	25.37	12.81
2017	13.77	19.07	24.16	24.17	31.73	44.70	49.51	46.65	40.88	29.99	27.00	22.50
2018	15.83	12.93	17.94	24.94	38.35	47.17	51.87	48.48	44.24	29.81	16.43	12.16
2019	13.71	10.25	18.21	26.21	28.06	39.83	50.56	50.17	43.78	22.87	21.46	14.55
2020	12.03	10.45	20.97	24.00	34.81	42.37	49.16	51.55	40.83	32.12	22.83	13.58
2021	12.61	11.32	17.74	24.23	33.39	46.97	51.00	48.24	44.69	29.15	25.30	17.71
2022	13.97	10.11	17.06	21.70	31.97	44.00	50.26	48.61	45.27	30.23	15.57	14.86
2023	11.26	10.79	12.80	22.92	35.81	40.67	49.81	48.39	41.53	31.29	23.17	17.87
2024	12.94	15.66	19.29	26.00	29.55	45.80	48.77	48.81	43.43	36.71	18.97	18.84
2025	19.45	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	2.89	3.46	8.40	15.00	24.60	34.20	40.01	38.90	31.89	20.91	11.30	3.20

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	M	M	M	M	M	M	M	M	49.10	30.31	25.30	10.74
2002	10.10	6.67	13.22	27.78	33.13	50.94	54.76	49.43	40.25	27.24	16.96	11.35
2003	16.32	8.97	16.49	23.79	33.50	41.18	55.68	50.66	42.43	39.03	19.33	17.95
2004	15.11	13.49	27.52	28.85	37.71	46.31	51.78	49.43	43.18	32.58	22.51	16.30
2005	20.29	18.57	17.80	27.92	37.48	45.23	55.98	49.29	45.68	38.74	M	14.26
2006	13.85	13.00	19.21	29.24	32.10	51.12	55.49	50.29	38.72	30.00	22.31	16.70
2007	13.74	14.19	24.86	28.25	36.76	48.44	56.33	54.16	46.89	43.57	26.57	10.75
2008	8.40	13.38	16.18	21.44	30.35	42.47	52.67	49.13	42.83	31.54	22.19	13.68
2009	15.74	15.15	17.23	20.08	36.23	41.03	54.27	54.21	47.06	30.43	29.93	13.19
2010	20.18	15.83	24.34	29.54	36.41	52.79	57.75	52.92	M	M	M	22.24
2011	15.83	15.22	24.89	27.02	35.14	49.85	57.84	57.08	48.62	37.43	24.95	19.79
2012	20.33	17.72	31.45	35.36	42.48	57.32	58.71	56.18	49.10	36.14	32.00	M
2013	M	11.60	23.29	27.41	38.53	53.90	57.40	55.81	53.15	M	26.09	16.99
2014	17.17	18.89	24.07	28.46	38.36	49.46	57.14	52.21	50.45	39.20	24.44	21.72
2015	23.90	22.53	30.95	31.13	36.82	54.05	54.12	55.78	51.86	41.37	25.86	17.98
2016	18.97	22.57	25.24	27.29	35.00	58.60	58.00	52.45	49.45	40.71	31.90	18.60
2017	18.63	24.52	30.40	30.47	38.23	52.85	57.97	54.34	49.16	37.43	32.38	27.88
2018	21.00	18.96	25.02	31.22	44.97	55.52	60.66	57.10	52.75	35.60	21.63	18.34
2019	19.92	16.64	24.56	31.68	34.13	46.73	58.40	57.50	52.56	31.18	27.91	20.44
2020	17.64	17.16	26.52	30.23	42.19	50.83	57.45	59.80	49.97	40.59	29.53	20.05
2021	19.23	16.61	24.56	31.37	40.08	55.27	60.00	55.90	52.98	36.75	30.63	23.21
2022	20.90	16.89	23.76	28.73	39.32	51.85	58.08	56.74	53.33	37.60	22.37	19.84
2023	16.37	17.54	19.32	29.50	41.97	47.52	58.52	56.84	50.85	38.61	29.38	22.81
2024	17.95	21.95	25.42	32.38	36.26	53.90	57.37	56.95	52.43	44.18	25.13	24.95
2025	23.45	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	14.80	16.13	21.85	27.65	36.70	47.70	53.40	51.50	45.00	33.86	23.25	14.85

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
2001	M	M	M	M	M	M	M	M	47.2%	54.5%	60.5%	66.2%
2002	66.0%	51.9%	61.5%	51.7%	48.8%	30.7%	43.2%	43.9%	60.2%	58.7%	63.7%	68.0%
2003	71.7%	73.5%	72.1%	58.4%	58.3%	53.1%	36.9%	58.5%	51.6%	46.8%	68.1%	60.4%
2004	64.5%	70.2%	56.6%	67.7%	49.2%	53.5%	54.9%	53.0%	58.5%	67.7%	67.4%	66.0%
2005	67.2%	65.6%	72.3%	58.7%	56.9%	53.1%	36.5%	55.2%	44.2%	46.7%	M	74.4%
2006	64.3%	58.6%	58.3%	50.4%	65.0%	37.5%	56.3%	60.6%	55.0%	64.7%	56.1%	62.6%
2007	55.2%	60.5%	54.3%	57.2%	53.1%	36.7%	44.4%	52.8%	42.1%	17.6%	38.9%	65.6%
2008	62.1%	64.6%	59.0%	48.0%	51.3%	34.1%	39.4%	48.4%	41.9%	43.2%	55.8%	64.4%
2009	60.5%	53.5%	54.7%	62.3%	75.0%	53.9%	41.5%	37.9%	51.4%	62.2%	41.9%	59.0%
2010	55.9%	65.0%	52.9%	57.7%	50.5%	37.3%	44.7%	61.2%	M	M	M	62.7%
2011	67.5%	56.9%	56.8%	61.1%	55.4%	32.8%	48.6%	44.8%	51.1%	51.0%	47.8%	51.3%
2012	52.8%	60.1%	38.5%	45.8%	40.9%	23.4%	48.9%	45.3%	43.2%	43.8%	47.9%	M
2013	M	65.7%	57.9%	59.9%	54.1%	28.6%	47.9%	50.1%	57.7%	M	61.0%	60.4%
2014	60.3%	62.6%	52.1%	59.0%	52.6%	34.2%	47.7%	55.6%	50.6%	51.6%	55.7%	56.9%
2015	60.2%	58.5%	47.8%	48.6%	67.4%	40.8%	53.5%	45.1%	42.9%	55.5%	48.3%	54.3%
2016	56.8%	50.5%	56.1%	54.1%	65.4%	37.1%	36.5%	52.2%	42.2%	42.4%	46.6%	57.3%
2017	61.0%	54.4%	49.0%	53.1%	56.0%	33.7%	47.5%	47.0%	46.1%	40.6%	41.2%	49.8%
2018	49.0%	61.3%	54.9%	55.0%	41.1%	29.6%	40.5%	41.5%	35.1%	64.4%	60.5%	60.7%
2019	61.1%	59.4%	62.5%	63.6%	64.1%	53.4%	42.7%	41.9%	40.2%	43.5%	48.8%	55.8%
2020	66.1%	61.4%	59.0%	57.5%	45.3%	41.5%	42.5%	32.4%	38.8%	37.0%	48.5%	53.9%
2021	60.7%	65.4%	57.2%	49.1%	52.1%	39.5%	48.0%	46.8%	40.2%	58.1%	55.8%	55.9%
2022	49.7%	55.0%	57.8%	53.1%	49.3%	42.4%	51.8%	55.5%	42.3%	55.3%	54.9%	60.2%
2023	67.0%	54.5%	59.9%	54.7%	57.9%	51.6%	39.1%	49.6%	43.0%	52.1%	47.1%	58.8%
2024	69.1%	60.6%	62.4%	58.2%	57.2%	45.9%	39.7%	50.5%	44.1%	42.7%	52.8%	51.5%
2025	60.6%	M	M	M	M	M	M	M	M	M	M	M