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 (USC00201492) 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
2002	M	0.00	0.00	0.00	0.00	0.01	0.00	0.00	0.00	0.00	0.00	0.00
2003	0.00	0.00	0.00	0.00	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	0.00	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	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	1.80	1.37	1.76	2.78	2.88	2.89	3.11	3.30	3.36	4.09	2.60	2.08

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	8.4	8.9	8.0	8.5	5.9	5.7	5.3	6.1	6.9	7.6	8.0
2003	9.7	8.3	7.1	8.9	6.6	4.9	6.6	5.8	6.5	6.3	8.3	7.7
2004	9.0	7.5	7.7	8.0	6.9	6.9	5.0	6.1	5.5	7.6	7.5	9.4
2005	7.3	6.7	6.5	7.3	5.9	5.6	5.2	5.4	6.5	6.6	9.5	7.6
2006	7.7	8.9	7.2	7.5	7.0	5.4	6.1	5.8	6.0	6.9	6.3	8.2
2007	8.0	10.1	8.6	8.6	5.9	5.7	5.1	5.7	6.6	6.9	8.7	7.9
2008	7.5	6.9	7.8	7.8	7.8	6.2	6.5	5.7	5.9	7.4	7.4	8.5
2009	6.2	8.4	7.9	8.8	8.4	5.5	6.7	6.2	4.8	7.0	5.5	7.3
2010	8.7	7.2	5.8	7.4	6.9	5.9	5.4	5.8	7.8	7.4	8.5	9.5
2011	7.0	9.9	8.3	9.3	7.0	7.4	5.2	5.4	5.6	6.2	7.0	7.5
2012	7.8	8.0	6.9	7.5	5.9	6.5	4.7	6.4	5.9	7.7	7.2	7.2
2013	7.4	7.7	7.8	9.0	6.5	4.7	5.7	5.9	6.2	6.5	9.7	7.7
2014	8.4	7.8	7.3	8.6	6.3	5.3	6.5	5.2	6.1	7.1	7.7	5.9
2015	7.1	8.1	8.1	7.7	6.4	4.7	5.5	5.7	5.4	8.0	6.5	7.7
2016	6.4	8.1	6.5	7.1	5.8	6.5	5.9	5.1	5.6	6.5	7.3	9.0
2017	6.7	7.9	8.6	7.7	6.8	5.5	5.3	5.5	4.8	7.3	8.0	7.3
2018	8.0	7.4	7.6	8.1	5.5	5.7	5.7	5.2	5.8	8.0	7.1	6.3
2019	7.7	8.3	7.8	7.8	7.0	5.3	5.3	5.9	6.1	7.5	7.2	8.0
2020	7.6	8.7	6.8	7.9	7.2	5.5	5.2	5.5	6.0	6.7	8.6	7.5
2021	6.1	6.2	8.4	7.2	6.3	5.4	4.6	4.4	5.7	5.3	6.8	8.1
2022	7.0	8.5	8.1	8.3	5.6	6.4	5.6	5.3	6.3	6.3	7.7	8.1
2023	6.7	9.1	7.4	8.0	5.4	4.4	4.5	6.1	4.7	6.5	7.7	6.4
2024	6.7	6.8	7.7	9.4	5.5	6.4	4.3	5.5	5.0	7.8	7.1	7.1
2025	9.2	8.3	8.6	9.3	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
2002	M	32.68	35.80	53.50	57.65	75.01	78.85	75.29	71.57	48.92	39.91	33.95
2003	23.52	22.22	34.55	46.65	59.65	70.75	76.24	76.73	68.19	54.37	43.57	35.35
2004	19.40	30.82	38.15	50.00	57.78	68.96	73.05	71.02	72.56	55.23	43.94	30.14
2005	23.23	30.65	33.51	52.82	60.34	75.74	79.44	76.25	71.66	56.39	41.96	27.59
2006	32.06	25.64	37.59	52.40	61.90	72.44	82.57	75.61	66.68	52.05	44.66	37.63
2007	31.01	22.89	41.29	49.88	67.54	77.36	79.26	77.14	72.08	61.44	39.92	31.25
2008	29.15	26.54	31.77	52.04	58.65	71.18	75.43	74.62	67.22	55.17	42.44	29.21
2009	22.07	30.20	37.69	49.40	62.08	69.80	72.01	73.46	69.98	50.52	48.56	30.90
2010	28.28	29.81	47.33	57.44	66.49	70.58	79.90	78.51	64.16	56.97	44.78	29.21
2011	22.48	29.69	34.90	46.52	60.86	69.92	80.19	76.07	66.20	56.79	45.74	35.03
2012	31.41	34.32	50.16	51.70	68.24	75.44	80.42	77.85	67.02	54.69	43.60	35.14
2013	28.61	26.52	33.79	45.35	62.33	71.57	78.20	77.59	68.02	57.09	41.48	24.17
2014	19.32	19.31	28.87	44.22	60.11	72.59	73.37	73.79	67.38	52.53	35.54	32.38
2015	23.10	15.67	35.61	50.24	64.56	69.73	78.36	74.53	72.39	55.03	48.74	41.04
2016	28.06	30.08	39.64	44.21	64.09	72.60	78.60	79.48	72.48	59.78	52.45	32.04
2017	29.18	33.53	33.96	51.69	59.15	72.20	75.55	72.38	72.46	60.33	39.99	26.56
2018	26.42	28.43	33.73	41.15	66.89	71.71	80.07	79.29	70.89	52.41	34.78	33.02
2019	20.35	24.22	33.73	46.07	57.40	69.07	78.43	75.55	68.36	53.32	36.41	32.71
2020	31.91	30.20	40.28	46.12	59.04	74.81	80.41	76.44	66.78	51.85	50.90	33.86
2021	29.85	26.21	42.97	50.54	62.54	74.06	76.07	79.21	69.26	62.14	43.46	35.30
2022	22.36	24.16	34.55	45.20	67.25	72.92	76.94	76.59	69.41	56.97	46.58	33.05
2023	30.78	31.87	35.54	48.92	63.76	72.56	77.06	73.98	70.16	55.86	42.92	38.50
2024	28.52	37.59	42.22	52.94	66.20	73.16	78.74	77.29	74.30	63.99	47.12	33.16
2025	26.72	27.76	41.31	46.64	M	M	M	M	M	M	M	M
NCEI Climatology	27.20	29.12	37.60	49.01	61.80	72.10	77.40	76.60	69.50	56.30	43.70	33.40

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	15.12	16.61	31.29	37.39	50.52	59.18	54.78	52.06	35.08	27.31	21.40
2003	10.51	3.51	14.65	26.09	39.12	46.33	54.37	56.08	48.73	37.26	30.96	23.56
2004	5.58	12.88	22.42	30.68	37.92	46.52	52.26	50.46	49.46	38.91	30.92	15.63
2005	7.96	15.80	13.48	30.86	37.86	54.74	55.11	55.86	51.02	40.01	28.64	18.76
2006	20.33	12.52	20.02	30.80	41.12	48.44	58.54	55.11	47.06	36.72	33.08	27.18
2007	17.48	7.31	22.07	29.54	42.22	52.52	55.40	54.75	50.66	44.83	27.68	21.14
2008	17.54	9.41	15.51	33.32	36.30	50.30	55.23	52.38	46.16	36.24	31.28	17.19
2009	5.06	11.69	19.69	32.78	37.23	48.02	52.26	53.77	47.48	38.10	33.20	18.35
2010	17.37	16.89	26.43	34.22	43.21	50.54	58.65	59.35	46.82	37.69	30.50	20.21
2011	6.97	13.49	18.59	29.54	40.77	48.20	57.66	55.75	46.22	38.97	33.14	24.81
2012	17.08	22.13	28.24	30.43	41.67	52.83	58.36	55.67	45.30	39.67	31.00	24.29
2013	16.46	10.71	19.31	29.84	40.21	49.83	56.78	54.94	46.80	39.34	28.26	11.06
2014	4.58	0.49	6.49	28.63	39.11	50.59	52.31	52.48	47.57	39.07	25.57	22.05
2015	5.20	-4.67	15.92	30.84	40.58	47.15	54.74	56.19	53.13	39.95	31.79	30.27
2016	16.57	14.30	26.04	27.44	40.41	49.35	57.86	59.19	53.74	42.66	34.86	23.01
2017	19.38	19.16	19.18	32.22	39.67	51.23	54.37	55.25	49.69	42.53	27.89	13.69
2018	11.44	10.45	18.07	22.93	41.31	48.36	57.86	57.92	49.78	37.41	25.03	23.25
2019	11.28	14.70	15.58	30.83	37.79	47.00	56.67	51.49	49.39	38.47	24.67	21.49
2020	22.48	15.17	24.31	28.28	38.36	49.61	59.40	57.45	47.55	35.53	34.82	24.45
2021	19.46	7.64	23.93	32.48	38.74	53.00	56.27	59.35	49.04	45.30	30.08	24.32
2022	7.50	6.74	19.63	29.42	41.41	48.44	54.82	56.21	51.41	36.30	31.76	24.05
2023	22.25	15.99	20.74	32.18	39.78	50.06	54.88	53.25	49.58	42.80	28.82	28.40
2024	20.79	21.20	25.15	33.80	44.31	53.48	57.78	57.78	50.51	40.94	33.80	24.28
2025	13.42	13.81	22.94	29.60	M	M	M	M	M	M	M	M
NCEI Climatology	11.40	10.39	17.89	30.10	41.30	51.70	57.71	57.00	49.51	38.90	29.50	20.49

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	23.90	26.20	42.40	47.52	62.76	69.02	65.04	61.81	42.00	33.61	27.68
2003	17.02	12.86	24.60	36.37	49.38	58.54	65.30	66.41	58.46	45.81	37.26	29.46
2004	12.49	21.85	30.29	40.34	47.85	57.74	62.66	60.74	61.01	47.07	37.43	22.88
2005	15.60	23.23	23.49	41.84	49.10	65.24	67.27	66.05	61.34	48.20	35.30	23.17
2006	26.19	19.08	28.80	41.60	51.51	60.44	70.55	65.36	56.87	44.38	38.87	32.41
2007	24.25	15.10	31.68	39.71	54.88	64.94	67.33	65.95	61.37	53.14	33.80	26.19
2008	23.35	17.97	23.64	42.68	47.47	60.74	65.33	63.50	56.69	45.70	36.86	23.20
2009	13.56	20.94	28.69	41.09	49.65	58.91	62.14	63.62	58.73	44.31	40.88	24.63
2010	22.83	23.35	36.88	45.83	54.85	60.56	69.28	68.93	55.49	47.33	37.64	24.71
2011	14.73	21.59	26.75	38.03	50.81	59.06	68.93	65.91	56.21	47.88	39.44	29.92
2012	24.25	28.22	39.20	41.07	54.95	64.13	69.39	66.76	56.16	47.18	37.30	29.72
2013	22.53	18.62	26.55	37.60	51.27	60.70	67.49	66.26	57.41	48.21	34.87	17.61
2014	11.95	9.90	17.68	36.43	49.61	61.59	62.84	63.13	57.47	45.80	30.56	27.22
2015	14.15	5.50	25.77	40.54	52.57	58.44	66.55	65.36	62.76	47.49	40.26	35.66
2016	22.31	22.19	32.84	35.82	52.25	60.97	68.23	69.34	63.11	51.22	43.65	27.52
2017	24.28	26.34	26.57	41.96	49.41	61.72	64.96	63.81	61.07	51.43	33.94	20.12
2018	18.93	19.44	25.90	32.04	54.10	60.03	68.96	68.61	60.33	44.91	29.91	28.13
2019	15.81	19.46	24.66	38.45	47.60	58.04	67.55	63.52	58.88	45.90	30.54	27.10
2020	27.20	22.69	32.30	37.20	48.70	62.21	69.91	66.95	57.17	43.69	42.86	29.15
2021	24.65	16.93	33.45	41.51	50.64	63.53	66.17	69.28	59.15	53.72	36.77	29.81
2022	14.93	15.45	27.09	37.31	54.33	60.68	65.88	66.40	60.41	46.63	39.17	28.55
2023	26.51	23.93	28.14	40.55	51.77	61.31	65.97	63.62	59.87	49.33	35.87	33.45
2024	24.65	29.39	33.68	43.37	55.25	63.32	68.26	67.54	62.41	52.47	40.46	28.72
2025	20.07	20.78	32.12	38.12	M	M	M	M	M	M	M	M
NCEI Climatology	19.30	19.75	27.75	39.56	51.55	61.90	67.55	66.80	59.50	47.60	36.60	26.95

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
2002	M	74.0%	72.6%	71.8%	71.1%	78.1%	74.1%	77.7%	78.8%	79.7%	74.3%	80.1%
2003	76.0%	76.1%	73.4%	68.0%	70.4%	72.1%	71.7%	75.9%	77.0%	78.4%	79.0%	78.0%
2004	76.7%	78.5%	78.6%	67.5%	72.5%	69.1%	75.3%	72.0%	73.7%	78.4%	75.3%	78.9%
2005	75.5%	77.8%	72.9%	64.5%	69.0%	75.0%	69.1%	74.0%	72.4%	76.4%	79.1%	81.5%
2006	83.8%	75.8%	72.2%	67.7%	74.1%	67.7%	69.6%	69.6%	77.2%	76.5%	77.5%	79.7%
2007	75.0%	69.7%	68.8%	69.3%	66.0%	68.8%	70.3%	70.1%	72.7%	76.9%	74.9%	78.7%
2008	80.6%	77.1%	69.7%	69.8%	73.3%	78.7%	76.0%	76.7%	81.1%	78.8%	81.5%	85.1%
2009	81.6%	80.2%	73.9%	69.5%	66.2%	76.1%	76.1%	78.6%	81.0%	82.4%	83.6%	82.4%
2010	81.4%	77.2%	68.1%	67.9%	67.8%	79.8%	75.0%	78.5%	80.8%	76.3%	80.3%	79.1%
2011	79.3%	73.1%	70.4%	73.3%	72.5%	73.3%	74.0%	77.2%	81.2%	79.8%	77.3%	80.4%
2012	80.9%	75.7%	75.2%	66.1%	67.1%	70.7%	72.2%	69.4%	74.5%	77.7%	75.3%	83.2%
2013	81.8%	83.4%	77.3%	72.8%	69.5%	72.9%	71.5%	70.5%	74.3%	77.5%	73.4%	81.3%
2014	79.5%	76.3%	73.1%	75.9%	76.4%	75.5%	75.1%	81.3%	81.3%	85.5%	82.6%	84.5%
2015	78.9%	71.8%	70.8%	68.4%	74.8%	79.3%	72.9%	80.4%	80.1%	78.8%	83.0%	85.8%
2016	82.6%	78.2%	80.3%	72.6%	69.7%	69.3%	74.3%	76.2%	74.7%	74.2%	74.4%	78.0%
2017	85.9%	78.3%	73.9%	76.7%	75.1%	77.9%	79.3%	81.2%	80.6%	78.6%	78.3%	81.0%
2018	78.3%	75.5%	72.4%	68.9%	70.0%	74.4%	72.2%	77.0%	81.7%	83.0%	81.6%	85.0%
2019	78.7%	82.1%	71.9%	74.3%	74.9%	74.4%	75.9%	73.1%	83.2%	83.0%	80.5%	83.2%
2020	80.7%	73.3%	77.0%	71.6%	69.8%	73.6%	76.0%	77.8%	75.8%	78.6%	71.4%	79.8%
2021	85.0%	77.9%	70.8%	73.8%	70.8%	78.1%	79.4%	81.6%	81.8%	87.3%	80.8%	82.6%
2022	76.4%	75.5%	78.0%	77.2%	71.8%	73.9%	76.2%	79.6%	82.6%	80.5%	78.4%	83.9%
2023	86.3%	78.7%	76.4%	79.8%	75.4%	79.8%	81.7%	75.8%	81.1%	83.4%	75.3%	84.7%
2024	85.6%	77.8%	74.4%	70.5%	73.5%	76.7%	77.5%	75.4%	78.2%	65.2%	83.9%	84.3%
2025	76.1%	77.3%	74.3%	67.6%	M	M	M	M	M	M	M	M