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 (USC00207094) 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	M	M	M
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
NCEI Climatology	2.17	1.59	1.65	2.61	2.89	3.44	3.07	3.41	3.05	3.27	2.33	2.31

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	M	M	M
2005	8.0	7.9	7.5	7.7	6.5	6.6	5.7	5.8	7.4	7.2	10.1	7.8
2006	8.0	8.9	8.1	7.6	7.3	5.9	6.3	6.4	6.5	7.6	7.3	8.6
2007	8.3	10.6	9.4	8.7	6.4	6.5	5.8	6.7	7.9	7.5	8.8	8.2
2008	8.4	7.9	8.4	8.5	8.0	6.6	6.8	7.0	7.1	8.4	8.5	10.1
2009	8.0	9.4	8.8	8.9	8.6	5.8	6.6	6.8	5.5	7.4	6.5	7.8
2010	8.3	8.0	6.6	8.1	7.6	5.9	5.4	6.1	7.7	7.5	8.8	9.9
2011	7.9	10.0	8.5	9.1	7.0	7.6	6.2	6.1	6.4	7.1	7.5	7.8
2012	8.5	8.2	8.4	8.2	6.8	7.5	5.6	7.0	6.3	8.8	8.1	8.3
2013	8.3	8.8	8.7	9.4	6.6	4.7	6.0	6.3	7.0	7.0	10.0	8.1
2014	9.0	8.3	8.1	8.9	7.0	5.8	6.9	6.2	6.9	7.4	5.9	7.4
2015	8.4	9.0	8.9	8.1	7.1	5.1	6.1	6.3	6.3	8.6	7.8	8.4
2016	7.8	9.2	7.3	7.4	6.0	6.8	6.5	6.1	6.7	7.6	8.5	9.1
2017	7.1	8.2	8.8	8.5	6.8	6.0	5.5	5.8	5.7	8.4	8.6	8.0
2018	8.8	7.8	8.3	7.8	5.7	5.5	6.1	5.7	6.8	8.1	7.5	6.9
2019	7.7	8.6	7.9	7.7	6.8	5.2	5.8	6.1	6.6	8.1	7.7	8.3
2020	7.5	8.3	7.4	7.7	6.9	5.9	5.6	5.8	6.8	7.1	8.7	7.9
2021	6.5	7.5	9.2	7.8	6.6	5.9	5.4	5.6	6.8	6.0	7.5	8.7
2022	7.9	9.1	8.1	8.4	6.7	6.7	5.6	5.8	6.5	7.7	8.3	8.0
2023	6.6	9.1	7.1	7.8	5.5	4.7	4.9	5.8	5.2	7.1	8.0	6.8
2024	6.7	7.0	7.7	9.0	5.8	6.7	4.7	5.8	5.9	7.8	7.3	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	M	M	46.40
2005	24.92	31.74	34.26	53.42	61.26	77.36	78.80	76.36	73.10	57.37	43.34	28.40
2006	32.87	26.47	37.52	52.52	63.24	71.72	80.31	72.47	64.40	59.17	43.70	36.59
2007	29.85	22.21	39.90	47.42	66.84	76.40	76.94	74.91	71.78	61.67	40.94	31.42
2008	30.61	27.59	33.10	53.60	58.94	71.30	75.66	75.32	68.18	54.88	42.08	29.10
2009	22.83	30.39	36.94	48.80	61.61	68.48	70.38	72.53	68.42	50.35	48.20	31.13
2010	28.11	29.81	45.35	57.86	66.78	69.26	78.45	77.75	64.16	56.74	45.50	29.91
2011	23.81	31.16	34.67	46.76	62.08	69.98	81.18	76.54	66.14	57.72	47.18	35.92
2012	32.53	35.52	52.38	50.31	68.68	76.20	80.68	77.69	66.48	55.52	43.12	35.64
2013	30.29	27.96	34.74	46.14	63.64	70.26	76.97	76.44	68.73	57.86	42.04	24.91
2014	20.39	20.60	29.76	45.78	60.21	72.24	73.72	71.70	67.84	52.38	36.46	33.06
2015	23.31	16.55	36.48	49.21	66.77	69.76	78.61	75.26	73.93	56.13	50.12	41.98
2016	28.70	30.13	39.21	43.95	65.01	72.24	78.33	79.28	72.32	59.26	53.02	32.45
2017	31.16	34.91	34.59	53.25	58.72	72.04	74.50	72.63	72.31	61.44	41.02	27.23
2018	27.32	31.22	33.17	40.44	67.36	72.65	80.16	78.19	70.13	53.57	35.17	34.00
2019	20.70	25.25	34.18	46.99	56.28	67.83	77.69	74.85	68.23	53.93	36.55	33.80
2020	32.06	30.52	40.69	46.73	59.58	75.48	80.69	76.15	66.41	51.52	51.78	33.75
2021	30.27	26.65	45.17	50.48	63.45	74.81	74.61	78.12	68.32	61.17	43.17	35.72
2022	22.41	26.75	35.22	45.63	66.68	72.86	76.62	75.79	71.18	59.76	49.33	33.54
2023	30.78	32.58	35.89	51.63	62.98	71.32	76.22	74.13	72.01	58.60	45.02	39.79
2024	29.35	38.95	42.11	52.93	65.28	72.53	76.61	76.29	73.62	63.50	51.47	M
NCEI Climatology	27.91	30.02	38.31	50.40	64.40	74.49	79.70	78.59	71.00	56.80	44.12	33.50

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	M	M	32.90
2005	13.30	19.40	17.72	34.46	41.17	57.98	59.35	59.35	53.78	42.92	29.78	18.70
2006	22.36	14.71	22.59	32.96	43.73	52.82	59.87	55.92	47.60	41.35	32.30	26.37
2007	17.37	8.99	22.65	29.66	43.96	55.10	57.84	55.76	51.08	45.94	29.30	22.13
2008	18.01	14.00	19.75	35.90	37.81	52.10	57.84	55.86	50.96	39.20	31.94	17.14
2009	9.30	15.16	21.78	32.66	39.37	50.30	53.95	55.86	49.52	38.21	35.36	20.27
2010	19.05	19.46	28.17	36.56	44.95	51.80	60.10	59.99	47.48	39.66	32.60	21.90
2011	12.61	16.31	21.03	31.64	42.39	49.58	60.97	58.59	48.44	41.06	33.50	25.49
2012	19.19	23.52	32.95	32.49	45.12	56.65	61.55	59.14	47.76	40.58	31.09	26.54
2013	17.55	15.47	22.65	30.79	40.86	51.57	58.25	57.54	49.37	41.32	28.70	12.58
2014	6.62	3.75	10.70	29.96	42.63	52.36	54.91	56.03	49.82	40.63	24.84	23.44
2015	7.44	0.38	18.40	31.78	43.75	49.42	58.37	58.98	56.53	42.31	34.95	30.95
2016	16.75	15.95	26.93	27.74	42.27	52.24	59.65	60.95	55.80	44.05	36.30	23.12
2017	21.14	22.13	22.22	34.86	40.83	52.74	57.57	57.61	53.44	45.35	29.01	15.85
2018	14.63	13.23	20.13	25.45	43.55	49.90	60.64	60.72	52.61	38.75	26.44	25.07
2019	13.07	17.37	18.87	32.02	39.03	49.03	59.71	54.95	52.13	39.51	25.94	23.44
2020	23.67	17.06	25.13	29.19	39.56	52.52	61.71	59.53	49.26	37.03	35.45	25.54
2021	21.24	11.10	25.79	34.10	40.40	54.52	57.60	61.48	50.66	46.93	30.68	24.47
2022	9.57	10.22	21.72	29.75	43.38	49.24	55.59	56.80	52.36	40.14	34.81	25.29
2023	22.52	17.85	22.75	33.66	40.80	49.02	51.83	56.58	52.54	45.39	30.56	30.52
2024	21.78	22.88	26.36	34.50	43.61	55.45	59.45	58.07	51.91	42.84	37.11	M
NCEI Climatology	14.21	13.27	19.80	30.41	41.10	51.91	57.90	57.10	49.70	39.39	30.11	21.00

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	M	M	39.65
2005	19.11	25.57	25.99	43.94	51.22	67.67	69.07	67.85	63.44	50.15	36.56	23.55
2006	27.62	20.59	30.05	42.74	53.48	62.27	70.09	64.20	56.00	50.26	38.00	31.48
2007	23.61	15.60	31.27	38.54	55.40	65.75	67.39	65.34	61.43	53.80	35.12	26.77
2008	24.31	20.80	26.43	44.75	48.37	61.70	66.75	65.59	59.57	47.04	37.01	23.12
2009	16.06	22.77	29.36	40.73	50.49	59.39	62.16	64.20	58.97	44.28	41.78	25.70
2010	23.58	24.64	36.76	47.21	55.86	60.53	69.28	68.87	55.82	48.20	39.05	25.90
2011	18.21	23.74	27.85	39.20	52.24	59.78	71.08	67.56	57.29	49.39	40.34	30.70
2012	25.86	29.52	42.67	41.40	56.90	66.42	71.11	68.42	57.12	48.05	37.10	31.09
2013	23.92	21.71	28.70	38.46	52.25	60.91	67.61	66.99	59.05	49.59	35.37	18.75
2014	13.50	12.17	20.23	37.87	51.42	62.30	64.31	63.87	58.83	46.51	30.65	28.25
2015	15.38	8.46	27.44	40.50	55.26	59.59	68.49	67.12	65.23	49.22	42.54	36.46
2016	22.72	23.04	33.07	35.85	53.64	62.24	68.99	70.11	64.06	51.65	44.66	27.78
2017	26.15	28.52	28.40	44.06	49.77	62.39	66.04	65.12	62.87	53.39	35.01	21.54
2018	20.98	22.23	26.65	32.95	55.45	61.27	70.40	69.45	61.37	46.16	30.81	29.54
2019	16.89	21.31	26.53	39.50	47.66	58.43	68.70	64.90	60.18	46.72	31.24	28.62
2020	27.87	23.79	32.91	37.96	49.57	64.00	71.20	67.84	57.84	44.28	43.62	29.65
2021	25.75	18.88	35.48	42.29	51.92	64.66	66.10	69.80	59.49	54.05	36.93	30.09
2022	15.99	18.49	28.47	37.69	55.03	61.05	66.10	66.29	61.77	49.95	42.07	29.41
2023	26.65	25.21	29.32	42.65	51.89	60.17	64.03	65.36	62.28	51.99	37.79	35.16
2024	25.56	30.91	34.24	43.72	54.44	63.99	68.03	67.18	62.76	53.17	44.29	M
NCEI Climatology	21.06	21.64	29.05	40.40	52.75	63.20	68.80	67.85	60.35	48.10	37.11	27.25

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	M	M	M
2005	74.8%	75.8%	69.8%	60.1%	65.2%	69.8%	66.7%	72.3%	67.7%	77.5%	82.7%	84.7%
2006	87.1%	79.8%	73.1%	69.7%	74.2%	70.3%	72.3%	75.1%	80.4%	79.4%	82.0%	82.7%
2007	80.5%	73.9%	72.8%	72.7%	64.2%	68.5%	69.8%	72.3%	71.8%	75.7%	75.6%	81.5%
2008	82.6%	77.5%	70.2%	65.8%	69.8%	75.3%	72.2%	70.7%	74.9%	72.8%	77.7%	80.1%
2009	76.5%	75.7%	70.2%	66.5%	61.0%	71.7%	72.8%	75.3%	75.4%	77.7%	78.2%	79.1%
2010	77.9%	73.0%	63.5%	61.4%	64.3%	80.3%	74.6%	75.2%	75.0%	70.8%	74.5%	75.2%
2011	73.1%	67.7%	67.3%	69.7%	68.1%	67.1%	66.8%	69.4%	74.7%	71.6%	72.1%	75.4%
2012	74.0%	69.3%	66.1%	60.0%	58.4%	61.9%	64.3%	64.3%	69.4%	72.2%	70.8%	79.2%
2013	78.9%	80.0%	74.5%	72.6%	69.2%	74.7%	73.3%	73.5%	75.9%	80.5%	76.1%	83.8%
2014	80.3%	75.8%	74.2%	75.8%	77.1%	75.9%	77.9%	85.1%	83.2%	88.7%	85.6%	86.3%
2015	82.2%	74.3%	72.1%	70.8%	72.4%	77.2%	71.6%	77.3%	72.9%	74.4%	77.5%	81.8%
2016	78.5%	75.4%	76.5%	68.5%	63.5%	63.8%	69.0%	73.5%	75.1%	76.5%	75.5%	77.8%
2017	81.1%	76.7%	71.1%	71.9%	72.7%	75.3%	77.2%	78.7%	75.7%	74.9%	75.8%	78.8%
2018	77.8%	73.4%	71.6%	68.0%	66.4%	70.1%	69.8%	76.3%	78.5%	80.0%	80.0%	81.9%
2019	77.7%	80.9%	70.6%	72.7%	73.6%	73.3%	73.5%	72.5%	79.9%	80.8%	79.7%	81.0%
2020	80.2%	72.9%	75.7%	66.6%	65.3%	65.0%	70.4%	73.9%	71.0%	74.6%	68.9%	78.2%
2021	82.2%	76.1%	66.2%	72.1%	67.5%	73.8%	77.7%	79.1%	79.1%	84.4%	80.0%	80.6%
2022	75.0%	73.6%	76.0%	74.5%	66.2%	69.4%	71.9%	75.7%	75.8%	72.8%	73.3%	82.1%
2023	86.3%	77.4%	75.3%	76.2%	72.2%	77.8%	79.3%	73.6%	76.5%	77.4%	69.6%	82.1%
2024	85.1%	76.2%	74.4%	71.1%	70.6%	73.5%	75.0%	74.5%	74.7%	63.9%	81.9%	M