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 (USC00475335) 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	0.20	1.25	1.53	5.43	2.04	2.28	3.82	1.18	3.24	1.49	0.37
2005	0.15	0.40	1.46	4.04	2.30	4.59	2.60	1.41	5.62	1.16	1.08	0.08
2006	0.66	0.05	2.07	2.50	1.94	1.50	0.92	3.15	2.55	1.24	1.15	3.54
2007	1.31	0.09	1.25	1.03	2.40	2.79	2.34	5.40	0.06	0.63	0.05	0.42
2008	0.07	0.15	0.43	5.09	3.89	5.71	4.12	2.34	2.38	1.76	0.70	0.43
2009	0.09	0.46	1.38	2.25	1.55	6.20	1.29	4.42	0.75	5.38	0.61	0.61
2010	0.39	0.01	0.83	3.08	1.13	3.27	5.75	8.48	7.31	1.37	1.24	0.49
2011	0.15	0.17	2.41	2.83	3.10	3.64	4.14	3.73	0.89	0.69	0.50	1.10
2012	0.05	1.25	1.59	3.19	5.32	3.77	1.72	1.32	0.58	2.20	0.45	0.85
2013	1.00	0.86	1.00	3.90	3.56	4.08	0.66	0.99	2.28	3.38	0.95	0.72
2014	0.18	0.34	0.18	3.21	5.37	9.73	1.97	4.60	3.17	1.82	0.72	0.62
2015	0.03	0.01	0.35	2.35	5.73	4.13	7.73	4.22	4.23	2.30	3.27	1.97
2016	0.17	0.34	3.36	1.56	2.99	3.14	3.36	4.64	4.43	2.31	1.14	0.87
2017	0.92	1.13	0.76	1.75	1.84	3.93	3.92	5.37	2.15	4.35	0.30	0.44
2018	0.16	0.47	0.71	0.31	4.43	3.39	1.24	3.82	1.02	4.04	1.09	0.70
2019	0.00	1.02	1.11	2.25	6.90	1.20	2.27	1.74	2.18	0.12	1.12	0.92
2020	0.15	0.05	2.65	1.83	3.86	4.27	4.63	2.06	1.31	1.31	0.87	0.59
2021	0.20	0.22	1.39	1.57	3.36	3.54	2.19	6.98	1.46	1.88	1.42	0.75
2022	M	0.09	1.61	3.42	3.84	1.84	0.53	6.27	2.15	0.67	1.65	0.86
2023	0.83	1.43	2.11	2.60	1.66	2.11	6.58	3.34	M	3.78	0.03	1.54
2024	M	0.23	1.89	3.08	1.93	0.07	1.34	5.49	0.49	0.90	1.83	0.81
2025	0.03	0.19	2.07	2.25	2.85	5.23	4.15	2.90	1.71	0.95	0.56	0.43
2026	0.85	0.38	0.68	4.53	0.68	3.57	2.86	1.05	2.36	M	M	M
NCEI Climatology	0.94	1.13	1.97	2.96	4.53	5.14	4.02	4.02	3.63	2.74	1.82	1.34

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	4.9	8.4	8.5	9.0	7.2	5.5	6.2	7.1	7.3	6.1	9.0
2005	7.0	6.9	6.7	7.8	8.4	7.4	6.0	5.6	6.7	6.2	8.1	5.6
2006	7.9	8.1	6.8	9.2	8.8	6.6	6.5	5.4	6.4	7.9	6.4	7.5
2007	7.7	8.5	8.2	8.9	9.2	7.2	5.5	5.5	7.8	8.0	8.9	6.3
2008	7.0	6.6	6.9	9.0	8.2	7.7	6.5	5.9	6.5	7.4	7.6	8.3
2009	6.5	8.4	8.4	8.7	9.1	6.5	6.4	6.0	4.1	7.5	5.5	7.7
2010	7.0	2.5	5.9	8.4	7.3	6.2	5.7	6.6	7.3	6.4	8.4	7.4
2011	6.5	8.4	7.4	9.7	9.3	8.7	5.6	5.0	5.9	7.2	7.4	6.8
2012	7.7	7.3	8.4	8.3	8.1	6.7	5.3	5.3	6.1	7.0	7.3	6.3
2013	8.2	7.2	7.0	8.8	8.2	6.4	6.8	5.3	6.6	7.4	8.8	6.8
2014	8.9	7.0	7.6	9.6	7.3	6.7	6.8	4.7	6.4	7.7	8.6	6.6
2015	7.4	7.9	7.7	9.3	7.9	5.8	6.1	6.5	5.7	7.0	8.2	7.5
2016	7.0	7.8	6.8	8.9	6.5	7.3	5.9	5.2	6.8	6.5	6.1	9.3
2017	3.6	7.6	8.7	7.6	7.2	6.9	4.9	5.5	6.1	7.7	7.7	7.6
2018	7.2	6.5	7.3	7.3	6.2	7.0	5.7	5.0	6.1	7.4	7.6	6.5
2019	7.4	6.9	6.9	7.9	7.2	6.0	5.5	5.3	6.8	8.4	7.3	6.6
2020	6.9	7.0	7.8	8.0	7.8	7.2	4.8	5.7	6.2	7.3	7.4	6.0
2021	5.6	6.5	7.9	7.4	6.9	6.2	4.7	5.0	5.6	5.9	7.7	7.7
2022	7.8	8.3	8.6	11.0	7.9	7.4	6.8	5.4	5.3	6.6	8.2	7.4
2023	6.5	6.7	7.4	9.7	5.1	2.5	2.2	2.8	M	4.1	3.4	2.5
2024	2.7	6.2	8.1	9.9	7.0	7.3	4.6	5.5	3.1	7.4	7.8	7.3
2025	8.4	7.7	8.4	8.4	6.6	6.6	5.1	4.7	4.6	6.8	7.5	6.9
2026	7.5	7.0	8.1	8.6	7.7	6.5	4.8	5.1	5.7	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	36.86	39.61	58.22	63.76	72.14	77.06	71.54	74.60	56.21	43.76	28.63
2005	23.23	32.39	37.98	59.84	62.77	79.34	81.01	77.87	73.70	60.39	43.67	27.01
2006	36.06	30.26	41.52	64.16	70.26	81.38	90.01	80.77	67.10	52.96	42.80	34.90
2007	26.95	21.26	45.70	56.12	72.24	79.70	82.05	78.57	72.38	61.21	40.28	24.16
2008	21.66	23.00	35.02	51.74	64.05	74.66	81.16	80.95	72.80	60.10	42.80	25.21
2009	19.11	31.04	42.39	58.52	70.55	76.22	77.46	78.22	76.04	48.84	49.70	25.44
2010	21.78	28.98	49.77	63.98	70.21	74.30	81.41	82.34	66.98	61.96	42.50	23.64
2011	18.65	27.69	36.70	52.52	65.39	76.40	84.08	79.09	68.18	62.14	45.38	33.51
2012	30.20	34.67	56.15	57.92	72.24	80.60	86.75	80.72	74.06	55.17	45.20	30.43
2013	25.21	26.20	33.10	45.86	66.50	74.82	82.63	83.14	76.12	56.93	39.67	19.89
2014	17.55	17.40	33.12	50.31	68.53	77.82	78.70	81.11	70.67	57.04	32.79	29.62
2015	24.51	18.38	44.61	59.78	68.61	76.98	80.88	77.52	75.99	60.52	49.54	36.53
2016	26.22	33.42	50.46	57.21	72.33	80.41	84.37	82.09	73.36	62.92	52.00	26.24
2017	21.66	37.94	40.58	58.63	66.24	78.48	81.82	75.15	74.66	58.79	41.19	24.48
2018	24.62	25.67	39.16	47.21	76.78	79.41	82.69	80.86	72.42	49.98	29.90	27.64
2019	16.77	17.61	31.89	50.83	60.50	72.95	78.32	74.34	69.19	50.13	32.24	25.62
2020	23.91	25.76	40.57	50.72	62.89	76.75	79.58	76.64	65.31	46.95	43.98	29.35
2021	24.25	15.99	46.84	53.85	65.11	80.65	78.77	76.56	71.52	60.53	44.99	33.61
2022	21.36	25.86	39.20	50.31	70.76	80.23	84.79	80.18	73.02	60.82	44.08	26.68
2023	27.90	31.11	37.80	55.49	73.79	83.84	81.64	81.10	M	54.58	46.72	40.73
2024	28.75	43.60	47.36	58.10	72.12	77.58	81.56	79.78	79.59	67.72	45.55	31.39
2025	25.30	26.24	49.14	57.34	70.02	78.30	83.46	79.42	76.05	63.45	46.44	27.53
2026	21.30	35.79	50.38	59.99	71.32	79.65	86.48	83.12	81.40	M	M	M
NCEI Climatology	24.00	29.57	41.90	56.39	68.20	77.89	82.00	79.89	72.20	58.90	42.71	29.19

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	23.00	25.55	34.52	43.26	52.34	57.55	52.61	52.16	39.14	28.10	13.48
2005	8.14	16.89	19.34	37.34	44.66	59.30	60.10	56.62	51.14	39.78	28.20	16.15
2006	24.10	14.13	27.12	41.84	51.05	58.70	65.91	62.25	47.78	33.51	28.52	22.48
2007	12.61	5.77	27.41	34.28	49.25	57.80	60.39	60.16	51.92	44.77	25.46	8.54
2008	4.77	4.38	19.23	34.22	42.16	55.40	59.99	58.94	52.82	40.48	28.28	4.77
2009	0.41	14.84	23.93	36.80	48.20	57.02	57.61	58.65	52.76	36.06	31.34	12.14
2010	6.86	11.43	28.98	40.76	47.68	57.32	63.41	63.06	47.96	38.56	26.96	9.88
2011	4.59	9.31	19.57	35.72	46.46	56.06	65.04	59.06	48.08	40.94	29.78	18.82
2012	13.19	20.89	37.86	37.52	50.58	57.56	66.08	56.74	45.92	35.95	28.04	15.80
2013	9.01	11.67	17.14	32.00	45.87	57.67	61.47	59.13	51.58	38.83	23.34	3.73
2014	-4.62	-4.00	14.73	33.04	47.33	58.88	59.52	60.48	49.34	38.03	18.64	19.32
2015	10.23	1.07	23.76	36.97	48.03	57.55	60.56	58.88	56.24	40.00	32.04	26.09
2016	8.91	15.35	31.44	36.49	46.29	58.54	62.19	61.29	54.43	41.63	32.79	14.27
2017	5.42	19.44	24.18	38.29	46.04	56.94	61.08	56.43	53.18	40.58	24.25	10.81
2018	5.50	3.78	21.71	25.50	53.14	60.91	60.68	60.06	52.87	35.95	18.26	14.20
2019	7.31	5.95	14.85	32.55	41.60	52.27	59.87	54.96	52.33	33.85	20.17	10.08
2020	9.28	5.94	26.08	29.85	44.40	55.02	60.10	56.28	46.12	29.98	25.21	13.26
2021	10.19	-1.05	25.77	32.80	43.37	58.20	57.56	56.27	48.00	42.73	28.62	16.43
2022	1.18	5.16	24.70	34.33	50.18	59.38	63.71	61.14	53.09	39.07	27.69	12.49
2023	16.73	13.47	22.04	37.07	50.46	60.57	60.14	61.17	M	40.68	28.59	28.32
2024	18.56	22.81	28.40	38.82	50.08	58.98	62.19	60.78	54.80	42.93	32.08	19.97
2025	7.50	9.31	28.15	36.18	48.06	60.49	64.21	60.33	55.52	43.86	29.67	11.25
2026	6.74	18.17	28.75	38.73	47.69	58.99	65.79	61.26	62.26	M	M	M
NCEI Climatology	4.50	7.47	19.30	32.30	44.39	54.80	59.20	56.71	48.21	36.00	23.59	11.99

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	29.93	32.58	46.37	53.51	62.24	67.30	62.08	63.38	47.68	35.93	21.05
2005	15.68	24.64	28.66	48.59	53.72	69.32	70.55	67.25	62.42	50.09	35.93	21.58
2006	30.08	22.20	34.32	53.00	60.65	70.04	77.96	71.51	57.44	43.24	35.66	28.69
2007	19.78	13.52	36.56	45.20	60.74	68.75	71.22	69.36	62.15	52.99	32.87	16.35
2008	13.22	13.69	27.12	42.98	53.11	65.03	70.58	69.95	62.81	50.29	35.54	14.99
2009	9.76	22.94	33.16	47.66	59.38	66.62	67.54	68.44	64.40	42.45	40.52	18.79
2010	14.32	20.20	39.37	52.37	58.94	65.81	72.41	72.70	57.47	50.26	34.73	16.76
2011	11.62	18.50	28.14	44.12	55.92	66.23	74.56	69.07	58.13	51.54	37.58	26.16
2012	21.69	27.78	47.01	47.72	61.41	69.08	76.42	68.73	59.99	45.56	36.62	23.12
2013	17.11	18.93	25.12	38.93	56.19	66.25	72.05	71.14	63.85	47.88	31.50	11.81
2014	6.47	6.70	23.92	41.67	57.93	68.35	69.11	70.79	60.00	47.53	25.71	24.47
2015	17.37	9.72	34.18	48.37	58.32	67.27	70.72	68.20	66.12	50.26	40.79	31.31
2016	17.56	24.38	40.95	46.85	59.31	69.47	73.28	71.69	63.90	52.27	42.39	20.25
2017	13.54	28.69	32.38	48.46	56.14	67.71	71.45	65.79	63.92	49.68	32.72	17.65
2018	15.06	14.72	30.44	36.36	64.96	70.16	71.69	70.46	62.65	42.96	24.08	20.92
2019	12.04	11.78	23.37	41.69	51.05	62.61	69.09	64.65	60.76	41.99	26.20	17.85
2020	16.60	15.85	33.33	40.29	53.65	65.88	69.84	66.46	55.71	38.46	34.59	21.30
2021	17.22	7.47	36.30	43.33	54.24	69.43	68.17	66.41	59.76	51.63	36.80	25.02
2022	11.27	15.51	31.95	42.32	60.47	69.81	74.25	70.66	63.06	49.94	35.89	19.58
2023	22.31	22.29	29.92	46.28	62.12	72.20	70.89	71.13	M	47.63	37.66	34.52
2024	23.65	33.21	37.88	48.46	61.10	68.28	71.88	70.28	67.19	55.32	38.81	25.68
2025	16.40	17.78	38.64	46.76	59.04	69.40	73.84	69.88	65.78	53.65	38.06	19.39
2026	14.02	26.98	39.57	49.36	59.50	69.32	76.13	72.19	71.83	M	M	M
NCEI Climatology	14.25	18.52	30.60	44.35	56.29	66.35	70.60	68.30	60.20	47.45	33.15	20.59

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	79.3%	81.8%	64.7%	74.3%	74.6%	79.7%	83.7%	79.8%	83.1%	81.6%	79.4%
2005	77.0%	80.9%	70.5%	64.3%	70.4%	71.7%	68.3%	68.4%	70.6%	73.1%	75.5%	82.8%
2006	80.9%	64.1%	71.6%	54.1%	63.6%	57.9%	58.5%	71.2%	79.1%	73.2%	80.4%	82.5%
2007	78.3%	72.7%	75.2%	58.9%	67.5%	69.1%	71.9%	78.3%	76.2%	78.5%	63.9%	79.1%
2008	73.4%	70.3%	66.6%	71.5%	62.7%	68.2%	70.6%	68.4%	73.8%	68.3%	74.3%	74.7%
2009	70.9%	69.4%	69.1%	54.9%	53.3%	66.3%	67.1%	73.2%	75.9%	80.3%	74.6%	75.4%
2010	75.8%	69.8%	65.7%	53.5%	62.1%	74.6%	72.4%	74.5%	75.4%	68.3%	74.3%	79.1%
2011	76.2%	72.2%	71.5%	67.0%	63.2%	68.8%	72.8%	74.1%	75.0%	66.2%	69.6%	77.1%
2012	74.5%	73.5%	68.8%	59.6%	60.3%	61.7%	67.8%	65.9%	58.4%	67.5%	70.0%	79.9%
2013	73.9%	74.6%	69.7%	72.8%	67.5%	72.2%	64.1%	66.5%	69.4%	73.5%	71.6%	77.2%
2014	68.7%	70.0%	65.8%	69.7%	62.5%	73.7%	70.7%	76.2%	75.9%	71.6%	74.9%	82.7%
2015	74.4%	64.1%	59.7%	53.0%	68.6%	71.8%	72.6%	76.6%	77.0%	72.8%	74.8%	84.4%
2016	74.5%	69.9%	72.5%	63.5%	61.2%	69.1%	73.6%	77.2%	79.4%	77.7%	77.5%	77.4%
2017	77.4%	70.2%	63.9%	67.7%	66.2%	67.3%	72.9%	79.3%	77.0%	73.9%	73.7%	74.2%
2018	74.8%	68.9%	63.3%	60.8%	62.6%	72.1%	72.0%	78.6%	78.3%	74.5%	74.2%	80.5%
2019	72.0%	77.1%	69.3%	64.8%	66.9%	68.6%	76.1%	75.4%	82.1%	78.0%	78.5%	85.7%
2020	83.4%	70.0%	73.9%	61.9%	61.1%	67.5%	76.3%	75.6%	75.7%	71.4%	74.8%	81.6%
2021	85.5%	72.0%	65.8%	66.1%	64.4%	62.7%	73.5%	78.2%	74.5%	78.7%	65.4%	76.9%
2022	69.1%	66.2%	66.7%	67.1%	61.4%	59.9%	63.3%	75.4%	77.0%	81.9%	88.9%	93.2%
2023	95.9%	88.3%	78.4%	58.1%	51.1%	53.3%	66.1%	68.1%	M	77.2%	61.6%	79.3%
2024	75.6%	64.6%	51.0%	57.9%	63.8%	76.8%	80.6%	80.0%	74.5%	60.4%	84.7%	81.8%
2025	69.1%	70.3%	65.8%	66.1%	64.3%	75.8%	77.8%	82.3%	83.3%	70.1%	57.5%	67.7%
2026	61.6%	58.7%	55.2%	66.1%	53.5%	72.0%	77.3%	72.6%	77.0%	M	M	M