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 (USC00461220) 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
2003	M	M	M	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2004	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2005	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2006	0.00	0.00	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	0.01	0.01	0.46	7.06	62.80
2010	0.63	1.69	0.08	0.49	34.61	0.52	37.75	0.30	66.82	0.02	0.00	0.00
2011	0.00	0.00	0.00	1.62	4.79	33.60	4.02	0.00	0.00	0.00	0.00	9.07
2012	8.13	10.77	7.87	5.47	4.15	1.85	8.31	1.90	4.92	15.78	1.10	15.24
2013	13.37	22.07	22.48	2.23	3.28	7.08	5.00	5.52	2.33	1.57	17.83	18.98
2014	21.84	6.92	45.06	3.69	4.10	0.39	M	M	M	M	M	M
2015	M	M	M	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	M	0.00	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	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	3.61	3.42	4.15	3.82	5.18	5.10	5.31	4.21	3.76	3.82	3.03	3.93

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	4.9	3.3	4.4	2.3	3.2	4.3	6.1	5.8
2004	7.1	6.8	6.9	6.6	5.5	3.6	4.1	3.0	3.3	4.1	5.3	7.6
2005	6.5	5.4	6.3	6.7	3.9	3.4	2.7	2.6	2.4	3.0	6.4	6.0
2006	6.7	7.1	5.1	4.9	3.2	0.9	4.0	3.5	4.1	6.0	4.4	6.7
2007	8.5	7.8	6.5	8.4	4.2	3.8	3.9	3.1	2.8	4.1	6.5	6.1
2008	7.1	7.7	7.5	5.9	5.5	4.2	2.0	2.7	3.3	4.4	5.1	7.5
2009	6.3	6.8	6.3	6.8	4.5	4.2	4.5	3.6	4.3	4.7	4.8	7.0
2010	5.9	4.8	4.7	5.5	4.9	4.3	2.5	1.3	3.1	0.7	5.2	8.2
2011	5.5	8.7	7.8	10.1	6.3	6.5	2.6	2.7	2.7	5.0	5.1	4.4
2012	7.4	7.2	5.2	5.3	2.8	3.3	3.1	2.1	2.3	3.7	4.0	5.7
2013	6.9	7.3	7.0	5.3	3.7	3.2	2.8	2.3	1.9	3.5	5.0	6.9
2014	5.6	7.6	7.3	7.0	5.1	3.1	M	1.1	2.3	4.0	6.1	5.2
2015	6.5	7.0	6.9	6.7	3.6	4.5	2.9	2.4	2.6	4.7	3.6	3.7
2016	5.7	5.8	6.0	6.0	0.0	0.0	2.6	3.6	3.8	4.3	4.6	6.7
2017	6.8	7.5	7.3	6.5	6.2	4.9	4.1	3.0	3.5	4.1	5.6	6.5
2018	6.4	6.6	6.5	6.6	5.1	4.1	3.1	3.3	3.4	5.0	6.2	5.4
2019	6.3	6.8	6.6	6.5	5.3	5.3	3.3	3.6	3.5	4.6	5.3	5.4
2020	6.1	6.5	6.4	6.6	5.9	4.4	3.7	3.1	3.4	3.8	5.6	4.8
2021	5.6	5.3	6.2	6.1	4.3	3.4	3.6	2.9	4.0	3.9	5.5	6.0
2022	5.3	6.6	7.4	6.3	5.0	3.9	3.9	2.9	3.2	4.3	5.8	5.5
2023	5.3	7.1	6.9	5.6	4.3	4.3	3.5	3.5	2.3	4.0	4.8	5.0
2024	6.4	5.6	6.4	6.9	3.5	3.9	3.6	3.0	3.3	3.3	5.3	6.1
2025	5.5	6.8	7.7	6.2	5.1	3.2	2.9	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
2003	M	M	M	64.20	68.78	74.59	80.96	81.40	71.81	62.68	58.33	42.28
2004	34.55	43.35	54.26	62.73	76.70	76.47	79.03	77.86	75.93	64.42	55.71	44.00
2005	42.63	43.90	46.47	65.38	67.01	82.56	83.45	82.88	79.28	63.59	56.24	37.92
2006	50.35	40.16	50.06	67.58	68.29	75.14	81.06	82.69	69.80	60.74	53.96	49.54
2007	42.97	33.00	59.73	59.84	75.32	80.12	78.80	84.61	79.76	70.50	52.42	45.93
2008	41.00	44.35	52.96	65.30	67.59	79.88	81.03	79.21	76.36	63.59	48.44	46.11
2009	36.41	45.57	55.75	64.10	71.14	77.66	76.42	78.68	71.60	61.55	56.84	40.77
2010	33.16	32.39	53.48	68.96	74.74	80.78	83.74	82.75	77.18	63.53	54.74	29.84
2011	34.70	46.66	51.05	66.86	72.82	78.26	84.90	80.89	72.92	60.51	58.04	46.81
2012	44.67	45.86	64.17	62.78	75.95	79.61	85.36	80.72	73.46	62.02	49.40	46.98
2013	41.58	39.84	43.67	65.72	72.24	77.48	80.77	77.75	73.58	64.75	49.64	44.60
2014	40.82	29.12	48.95	67.34	72.41	77.00	M	81.20	74.42	62.02	47.48	44.25
2015	35.89	31.42	50.70	63.80	77.23	78.56	80.95	80.43	77.60	64.52	59.96	57.78
2016	37.34	43.67	60.45	64.54	M	M	82.95	85.07	82.16	67.77	55.76	43.09
2017	44.77	51.80	51.97	69.86	70.38	78.20	80.89	78.92	73.76	68.87	55.70	39.66
2018	37.57	52.25	45.47	59.24	79.09	78.86	82.92	81.82	79.82	65.91	48.56	46.46
2019	40.13	50.19	52.38	68.00	74.79	77.36	84.20	83.21	83.30	71.89	52.34	49.54
2020	48.72	51.49	60.68	64.04	77.52	88.64	92.39	85.83	78.50	67.54	60.50	42.63
2021	39.72	40.94	61.79	65.12	74.85	85.52	88.44	90.47	83.18	75.55	59.24	55.05
2022	36.34	49.36	58.48	64.58	79.03	83.90	86.12	85.71	76.58	64.63	58.82	45.76
2023	48.32	55.40	56.39	69.44	75.26	81.02	88.50	82.69	77.54	66.78	56.42	50.64
2024	40.94	52.36	60.28	69.86	77.75	86.00	91.17	89.60	83.72	70.61	58.46	46.46
2025	31.94	46.59	62.72	68.96	74.68	88.40	88.93	M	M	M	M	M
NCEI Climatology	40.81	44.42	53.19	65.90	74.10	81.00	84.30	83.81	78.60	66.81	54.60	45.00

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	42.60	51.14	56.33	61.58	63.45	54.21	42.38	39.50	27.93
2004	18.90	26.95	36.00	43.60	55.83	58.82	62.99	58.97	55.65	46.60	39.41	27.74
2005	27.49	28.29	30.17	42.73	44.68	60.66	64.83	64.24	55.76	45.47	36.08	25.44
2006	32.52	25.57	33.16	43.88	47.91	56.48	63.53	62.89	52.88	42.51	37.46	31.19
2007	27.65	16.83	39.27	40.52	51.80	58.28	59.58	64.98	56.00	48.78	35.60	30.93
2008	24.05	26.10	33.10	44.24	47.15	59.48	61.40	58.77	58.09	41.17	32.60	26.72
2009	20.10	28.26	35.08	42.50	51.05	59.18	59.75	61.55	55.40	42.28	38.60	26.02
2010	21.66	22.74	34.32	44.24	53.77	62.78	63.65	63.18	54.44	43.96	34.58	21.56
2011	25.70	28.53	34.09	46.28	52.85	59.72	65.21	62.08	56.30	43.50	39.02	32.70
2012	28.73	28.94	42.45	41.06	55.63	56.64	65.74	60.45	53.66	43.85	31.64	33.63
2013	28.52	24.80	30.72	42.80	51.51	60.20	62.95	60.57	53.72	46.34	31.16	31.42
2014	21.02	15.08	28.28	43.40	51.63	58.40	M	61.40	54.50	45.53	30.14	29.97
2015	19.86	12.07	29.74	43.16	54.76	61.64	63.65	60.34	57.74	44.37	40.76	40.77
2016	19.63	26.29	40.36	40.03	M	M	66.12	65.85	58.64	47.68	36.20	28.05
2017	30.95	33.48	33.86	48.20	51.97	58.88	63.82	60.28	55.64	47.10	36.08	24.57
2018	19.05	33.61	28.40	37.76	59.58	61.82	63.30	64.52	62.90	48.49	33.74	31.25
2019	22.88	30.65	31.77	46.88	57.26	59.42	64.75	60.92	59.72	47.79	30.98	31.88
2020	31.54	30.20	41.29	40.28	51.16	61.04	66.08	62.83	53.00	44.89	37.52	27.12
2021	25.55	24.09	33.39	41.00	48.03	60.44	63.76	66.03	57.50	52.50	33.20	33.80
2022	19.03	24.74	32.75	39.62	52.90	57.62	65.04	63.06	54.20	39.14	36.68	27.59
2023	32.70	32.96	31.83	41.48	47.56	55.16	64.28	62.08	56.78	46.34	33.14	33.97
2024	27.18	30.82	38.04	47.72	55.52	61.82	66.90	62.89	59.36	44.02	39.14	29.21
2025	16.85	26.66	37.57	46.76	53.02	65.42	67.78	M	M	M	M	M
NCEI Climatology	21.10	22.90	29.20	37.90	48.60	57.40	62.01	60.20	52.99	40.79	31.20	25.90

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	53.40	59.96	65.46	71.27	72.43	63.01	52.53	48.91	35.10
2004	26.73	35.15	45.13	53.17	66.27	67.65	71.01	68.42	65.79	55.51	47.56	35.87
2005	35.06	36.10	38.32	54.05	55.85	71.61	74.14	73.56	67.52	54.53	46.16	31.68
2006	41.44	32.87	41.61	55.73	58.10	65.81	72.30	72.79	61.34	51.63	45.71	40.36
2007	35.31	24.91	49.50	50.18	63.56	69.20	69.19	74.79	67.88	59.64	44.01	38.43
2008	32.52	35.23	43.03	54.77	57.37	69.68	71.22	68.99	67.23	52.38	40.52	36.41
2009	28.25	36.92	45.41	53.30	61.09	68.42	68.09	70.12	63.50	51.92	47.72	33.39
2010	27.41	27.56	43.90	56.60	64.25	71.78	73.69	72.96	65.81	53.75	44.66	25.70
2011	30.20	37.59	42.57	56.57	62.83	68.99	75.05	71.48	64.61	52.00	48.53	39.75
2012	36.70	37.40	53.31	51.92	65.79	68.12	75.55	70.58	63.56	52.93	40.52	40.30
2013	35.05	32.32	37.20	54.26	61.87	68.84	71.86	69.16	63.65	55.55	40.40	38.01
2014	30.92	22.10	38.62	55.37	62.02	67.70	M	71.30	64.46	53.77	38.81	37.11
2015	27.88	21.75	40.22	53.48	66.00	70.10	72.30	70.38	67.67	54.44	50.36	49.27
2016	28.49	34.98	50.41	52.28	M	M	74.53	75.46	70.40	57.72	45.98	35.57
2017	37.86	42.64	42.92	59.03	61.18	68.54	72.35	69.60	64.70	57.98	45.89	32.12
2018	28.31	42.93	36.94	48.50	69.34	70.34	73.11	73.17	71.36	57.20	41.15	38.85
2019	31.51	40.42	42.07	57.44	66.03	68.39	74.47	72.06	71.51	59.84	41.66	40.71
2020	40.13	40.84	50.99	52.16	64.34	74.84	79.24	74.33	65.75	56.21	49.01	34.87
2021	32.64	32.51	47.59	53.06	61.44	72.98	76.10	78.25	70.34	64.02	46.22	44.43
2022	27.69	37.05	45.62	52.10	65.97	70.76	75.58	74.39	65.39	51.89	47.75	36.67
2023	40.51	44.18	44.11	55.46	61.41	68.09	76.39	72.38	67.16	56.56	44.78	42.31
2024	34.06	41.59	49.16	58.79	66.64	73.91	79.03	76.25	71.54	57.32	48.80	37.84
2025	24.39	36.63	50.15	57.86	63.85	76.91	78.35	M	M	M	M	M
NCEI Climatology	30.95	33.66	41.20	51.90	61.35	69.20	73.15	72.00	65.80	53.80	42.90	35.45

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
2003	M	M	M	M	77.6%	77.2%	77.5%	82.7%	81.6%	71.1%	68.5%	71.5%
2004	72.7%	60.3%	66.7%	63.7%	73.6%	78.6%	80.5%	79.6%	79.0%	77.2%	72.7%	70.2%
2005	75.9%	75.0%	72.0%	56.7%	69.1%	70.6%	80.5%	77.8%	72.8%	80.7%	64.1%	73.9%
2006	72.7%	65.9%	65.7%	60.6%	71.0%	76.9%	80.3%	78.1%	84.2%	79.3%	75.9%	64.7%
2007	74.1%	68.3%	61.3%	63.8%	65.2%	73.5%	77.8%	77.4%	70.9%	72.2%	71.6%	81.0%
2008	71.3%	75.3%	66.1%	63.5%	71.3%	74.8%	76.7%	76.3%	74.1%	68.4%	72.7%	77.6%
2009	76.8%	70.9%	61.4%	63.7%	75.4%	77.8%	78.6%	82.3%	81.2%	77.6%	67.5%	74.3%
2010	80.8%	82.7%	70.3%	51.6%	72.9%	80.3%	78.6%	83.1%	72.9%	68.7%	72.5%	81.2%
2011	93.7%	69.6%	70.9%	67.9%	79.4%	81.4%	82.1%	83.3%	88.3%	78.9%	67.6%	77.6%
2012	77.2%	70.1%	65.6%	60.3%	78.0%	69.0%	78.9%	79.8%	81.3%	78.6%	67.7%	83.5%
2013	76.2%	75.9%	71.6%	55.3%	69.0%	82.4%	84.1%	86.2%	84.1%	80.0%	68.7%	74.7%
2014	71.9%	61.2%	61.5%	56.2%	68.3%	76.7%	M	79.5%	82.1%	79.2%	65.8%	80.0%
2015	75.6%	68.9%	67.0%	62.0%	70.0%	85.1%	84.4%	78.1%	79.0%	71.1%	66.2%	78.6%
2016	69.7%	71.3%	63.7%	54.7%	M	M	82.6%	81.3%	74.3%	76.3%	70.4%	74.2%
2017	80.7%	63.9%	63.3%	65.4%	74.3%	74.1%	84.8%	82.0%	82.6%	76.9%	71.7%	71.7%
2018	72.2%	79.2%	69.1%	62.4%	74.7%	82.7%	79.3%	86.4%	88.1%	83.5%	77.3%	79.4%
2019	78.3%	70.6%	61.5%	63.9%	78.8%	79.1%	82.4%	77.4%	71.7%	72.2%	68.4%	77.7%
2020	76.3%	75.2%	70.5%	66.0%	73.8%	77.7%	75.5%	83.4%	83.0%	80.6%	66.7%	79.6%
2021	80.9%	81.2%	53.9%	62.4%	69.5%	77.3%	78.3%	81.6%	81.3%	83.9%	66.9%	69.7%
2022	74.0%	64.7%	60.0%	61.6%	69.9%	73.4%	81.2%	83.1%	83.7%	72.3%	69.2%	73.1%
2023	79.2%	62.8%	62.3%	54.7%	68.4%	73.3%	80.0%	82.6%	83.1%	77.8%	63.9%	69.8%
2024	74.2%	65.6%	60.2%	61.8%	75.4%	70.8%	70.3%	69.0%	70.6%	69.1%	74.5%	73.6%
2025	71.6%	67.4%	51.3%	64.4%	76.1%	78.6%	80.8%	M	M	M	M	M