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 () 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
2000	M	0.00	0.00	0.00	0.00	0.00	M	M	M	M	M	0.00
2001	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2002	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2003	M	M	M	M	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	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

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	M	9.1	M	12.6	5.3	M	M	M	M	M	M	12.6
2001	7.5	9.3	M	8.7	8.2	6.2	7.1	6.4	6.8	8.9	8.2	8.7
2002	9.2	10.0	9.7	8.8	9.1	6.6	6.7	6.0	7.0	6.5	8.4	9.0
2003	M	M	M	M	M	M	M	M	M	7.0	8.4	7.1
2004	7.6	6.7	8.4	8.9	7.6	7.2	6.1	6.7	6.0	7.7	7.1	8.6
2005	6.9	6.5	6.3	7.1	6.2	6.5	5.9	5.6	7.0	6.7	9.3	8.3
2006	8.1	8.0	8.0	7.5	7.4	6.8	6.9	6.1	6.3	7.8	6.1	8.6
2007	7.9	9.8	9.2	8.5	6.4	6.6	6.3	6.3	6.9	7.4	7.4	8.0
2008	9.5	8.1	8.6	8.1	8.3	7.4	6.2	5.5	5.0	7.0	6.7	10.4
2009	7.0	8.5	7.6	9.2	8.2	5.6	6.3	6.6	5.2	7.0	5.7	7.9
2010	7.6	6.6	6.4	8.8	7.2	6.3	5.6	6.0	7.6	7.4	7.1	8.0
2011	6.2	8.9	7.3	9.1	7.2	6.9	5.9	5.5	5.4	6.4	8.3	7.5
2012	8.6	7.7	9.2	8.8	6.4	7.4	5.3	5.4	5.9	7.6	6.4	7.1
2013	8.8	8.0	7.8	9.7	7.5	6.1	5.5	4.9	5.6	6.2	9.5	6.4
2014	9.8	7.5	8.3	8.1	6.8	6.4	6.4	5.5	5.5	6.8	9.2	6.8
2015	8.1	7.7	8.7	8.3	7.4	6.1	5.5	5.4	4.6	7.5	7.1	7.8
2016	8.2	8.2	6.6	6.7	6.2	7.2	6.8	6.0	5.4	6.7	7.2	8.9
2017	7.7	8.6	8.7	8.5	7.7	6.2	5.2	5.4	4.3	7.5	7.8	7.1
2018	7.6	5.8	6.4	7.2	7.1	6.0	5.8	5.2	6.2	7.0	7.2	6.3
2019	8.6	8.5	8.0	8.1	6.8	6.3	5.8	6.0	5.7	6.8	4.8	5.5
2020	5.1	6.0	7.2	8.4	6.6	5.9	5.4	5.2	6.3	6.2	8.1	7.6
2021	5.5	7.2	8.9	7.3	6.0	7.3	5.2	5.0	7.1	5.6	6.4	8.6
2022	8.2	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

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	17.60	23.60	39.20	36.95	57.92	68.00	M	78.80	M	39.20	M	21.20
2001	28.57	29.43	37.40	54.47	67.88	76.70	77.35	81.65	69.44	57.84	50.66	38.79
2002	34.03	34.12	38.10	51.56	60.68	75.26	82.23	79.44	76.76	53.37	40.82	31.59
2003	21.66	22.94	37.52	46.93	62.72	74.99	79.28	78.88	70.54	55.85	45.33	34.01
2004	32.00	41.90	M	M	M	66.89	72.29	67.51	66.77	51.89	39.14	23.56
2005	24.68	29.62	34.32	53.90	63.47	81.74	82.86	M	57.20	58.65	46.59	28.34
2006	35.14	21.84	29.62	43.25	60.41	69.05	75.26	73.26	58.60	53.06	37.59	35.32
2007	30.19	24.32	38.84	49.56	68.79	78.59	78.57	79.30	74.11	64.62	40.19	29.90
2008	31.44	27.00	32.02	57.93	62.71	75.25	78.75	75.88	70.83	55.65	41.90	30.34
2009	20.84	31.01	40.54	53.69	65.05	70.79	74.30	76.77	70.49	53.01	49.13	30.93
2010	25.91	27.88	45.92	60.77	70.59	72.19	81.79	79.99	68.21	57.46	46.19	27.45
2011	23.12	27.89	35.57	52.28	65.65	74.37	84.26	78.12	70.52	58.01	50.12	36.76
2012	31.54	34.42	52.79	52.10	72.12	77.72	82.81	78.28	69.32	55.98	42.68	36.01
2013	33.45	27.56	35.66	51.20	69.68	73.16	79.55	76.94	69.20	58.83	41.30	26.84
2014	21.08	21.39	30.43	50.48	66.90	77.54	75.66	76.01	68.58	57.03	39.86	34.44
2015	24.57	15.48	35.37	53.78	72.53	72.86	80.66	76.77	76.68	56.85	50.60	43.03
2016	30.08	32.50	41.81	48.38	67.71	77.18	81.92	83.97	74.95	59.52	51.50	32.64
2017	31.30	35.92	35.83	57.50	62.02	73.65	77.70	76.07	74.60	63.65	43.34	26.43
2018	27.47	34.31	35.08	43.70	73.28	76.10	82.98	81.06	73.46	53.54	37.52	34.21
2019	24.34	29.30	35.72	49.64	61.67	72.80	84.03	78.97	70.76	58.59	37.10	34.32
2020	32.23	30.01	43.76	49.61	62.31	78.20	84.66	78.68	69.98	54.18	54.17	34.67
2021	29.45	26.54	46.98	54.32	66.08	79.40	77.06	82.34	71.18	62.54	45.53	38.10
2022	28.40	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

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	17.60	22.40	32.00	35.60	56.48	68.00	M	77.90	M	39.20	M	15.80
2001	12.90	12.71	33.80	32.37	43.09	50.66	55.52	55.98	45.92	39.20	33.80	24.68
2002	21.84	17.47	19.75	33.32	38.15	52.34	58.88	54.01	51.08	35.95	27.74	16.21
2003	3.20	0.63	14.52	25.80	40.01	50.16	55.54	57.08	45.50	35.34	30.61	18.99
2004	32.00	19.40	M	M	M	62.46	63.63	62.60	62.85	47.35	32.50	17.97
2005	4.65	7.76	12.84	29.84	35.89	57.50	57.26	M	55.40	41.58	29.39	15.39
2006	19.40	13.87	22.19	39.20	55.48	60.95	69.18	66.34	53.20	51.44	34.86	31.40
2007	13.59	3.48	19.14	30.00	39.34	50.23	53.39	54.77	47.74	44.22	23.87	15.00
2008	18.25	8.77	14.92	33.01	38.80	54.45	57.67	52.02	46.37	34.71	24.29	13.64
2009	-1.27	10.47	18.75	31.21	38.57	47.83	52.07	54.40	43.31	35.36	29.65	17.99
2010	9.55	14.03	22.51	34.89	44.20	53.27	59.46	57.49	48.15	37.30	27.03	14.94
2011	5.35	10.32	18.26	30.01	45.05	50.75	58.68	56.66	48.62	38.97	32.06	20.91
2012	16.03	19.03	29.50	29.12	43.38	53.78	56.85	54.41	45.68	39.08	27.20	24.57
2013	16.15	12.26	20.97	30.44	41.87	52.64	57.32	52.61	44.96	37.86	23.18	15.38
2014	3.32	2.17	9.30	29.78	41.46	49.88	53.37	52.85	47.17	39.61	26.60	22.88
2015	0.70	-6.51	15.16	29.00	44.08	49.82	52.73	54.47	50.84	37.28	30.02	29.91
2016	13.25	13.44	23.00	23.60	39.55	47.90	57.86	57.55	47.95	40.94	32.00	20.04
2017	20.21	21.01	18.06	33.98	41.06	51.24	56.27	51.28	47.30	40.77	27.44	11.27
2018	8.89	16.12	20.15	24.74	43.21	49.88	56.04	58.54	48.80	37.34	25.94	21.14
2019	6.80	11.30	16.90	29.90	39.61	48.62	55.98	51.10	47.00	35.31	21.68	18.65
2020	20.86	13.38	24.44	27.46	38.56	49.70	59.52	55.17	45.38	35.77	34.45	21.90
2021	17.08	6.41	21.43	32.84	38.10	56.18	55.23	57.72	46.04	45.70	27.84	25.09
2022	11.60	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

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	17.60	23.00	35.60	36.27	57.20	68.00	M	78.35	M	39.20	M	18.50
2001	20.74	21.07	35.60	43.42	55.49	63.68	66.43	68.81	57.68	48.52	42.23	31.74
2002	27.94	25.80	28.92	42.44	49.42	63.80	70.55	66.72	63.92	44.66	34.28	23.90
2003	12.43	11.78	26.02	36.37	51.36	62.57	67.41	67.98	58.02	45.59	37.97	26.50
2004	32.00	30.65	M	M	M	64.68	67.96	65.05	64.81	49.62	35.82	20.77
2005	14.67	18.69	23.58	41.87	49.68	69.62	70.06	M	56.30	50.12	37.99	21.87
2006	27.27	17.86	25.90	41.22	57.94	65.00	72.22	69.80	55.90	52.25	36.22	33.36
2007	21.89	13.90	28.99	39.78	54.06	64.41	65.98	67.04	60.92	54.42	32.03	22.45
2008	24.85	17.89	23.47	45.47	50.75	64.85	68.21	63.95	58.60	45.18	33.10	21.99
2009	9.78	20.74	29.65	42.45	51.81	59.31	63.19	65.58	56.90	44.18	39.39	24.46
2010	17.73	20.95	34.22	47.83	57.39	62.73	70.63	68.74	58.18	47.38	36.61	21.20
2011	14.24	19.10	26.92	41.15	55.35	62.56	71.47	67.39	59.57	48.49	41.09	28.84
2012	23.78	26.72	41.15	40.61	57.75	65.75	69.83	66.35	57.50	47.53	34.94	30.29
2013	24.80	19.91	28.31	40.82	55.78	62.90	68.44	64.78	57.08	48.35	32.24	21.11
2014	12.20	11.78	19.86	40.13	54.18	63.71	64.52	64.43	57.87	48.32	33.23	28.66
2015	12.64	4.49	25.26	41.39	58.30	61.34	66.69	65.62	63.76	47.07	40.31	36.47
2016	21.66	22.97	32.41	35.99	53.63	62.54	69.89	70.76	61.45	50.23	41.75	26.34
2017	25.76	28.46	26.95	45.74	51.54	62.44	66.98	63.67	60.95	52.21	35.39	18.85
2018	18.18	25.22	27.62	34.22	58.25	62.99	69.51	69.80	61.13	45.44	31.73	27.67
2019	15.57	20.30	26.31	39.77	50.64	60.71	70.00	65.04	58.88	46.95	29.39	26.48
2020	26.54	21.70	34.10	38.53	50.44	63.95	72.09	66.93	57.68	44.98	44.31	28.28
2021	23.26	16.48	34.21	43.58	52.09	67.79	66.14	70.03	58.61	54.12	36.69	31.59
2022	20.00	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

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
2000	M	81.3%	M	48.9%	100.0%	M	M	M	M	M	M	79.9%
2001	79.3%	79.1%	M	67.3%	66.9%	70.6%	69.6%	70.2%	79.5%	76.8%	79.9%	81.7%
2002	77.3%	73.9%	70.8%	67.1%	63.0%	68.5%	63.6%	70.4%	70.0%	74.6%	81.1%	79.4%
2003	M	M	M	M	M	M	M	M	M	80.0%	79.5%	75.6%
2004	70.4%	67.0%	67.2%	67.8%	75.3%	67.3%	75.6%	72.7%	76.0%	78.7%	79.9%	84.4%
2005	75.8%	81.7%	75.7%	66.0%	65.2%	70.8%	70.8%	76.0%	72.6%	79.7%	79.5%	82.5%
2006	82.1%	77.3%	69.3%	67.6%	68.2%	69.3%	71.8%	71.7%	83.4%	80.4%	83.9%	78.6%
2007	78.6%	72.6%	68.3%	71.7%	63.5%	67.0%	69.3%	71.7%	74.7%	81.4%	84.6%	84.0%
2008	80.1%	78.0%	70.6%	64.1%	69.6%	78.0%	75.9%	79.1%	84.6%	79.4%	85.6%	81.9%
2009	77.6%	75.2%	68.6%	68.0%	66.0%	75.3%	76.2%	77.8%	80.1%	80.6%	81.6%	79.3%
2010	80.3%	80.5%	65.7%	56.8%	65.0%	72.2%	68.7%	74.0%	80.6%	76.7%	79.9%	84.8%
2011	81.0%	74.1%	75.1%	72.3%	77.4%	74.5%	69.4%	78.1%	84.2%	83.0%	77.7%	85.5%
2012	83.7%	80.2%	73.8%	66.1%	68.5%	70.4%	70.1%	76.3%	74.0%	74.1%	78.0%	84.9%
2013	78.6%	77.9%	67.4%	63.4%	61.2%	69.0%	70.6%	71.8%	76.6%	83.9%	78.9%	82.8%
2014	75.8%	76.3%	71.5%	70.7%	69.7%	68.9%	71.2%	80.9%	85.4%	86.7%	79.2%	84.6%
2015	76.5%	72.7%	69.0%	68.6%	67.9%	78.8%	72.4%	79.7%	78.4%	78.5%	81.6%	85.0%
2016	78.5%	76.9%	78.7%	67.1%	64.7%	63.5%	68.1%	72.6%	76.0%	82.8%	81.3%	81.7%
2017	83.0%	78.0%	71.8%	73.5%	74.8%	76.2%	78.1%	77.9%	79.7%	79.3%	79.1%	77.8%
2018	79.3%	80.8%	72.4%	72.5%	65.8%	69.8%	68.0%	79.4%	80.1%	81.4%	84.1%	86.4%
2019	79.9%	81.8%	73.3%	75.8%	78.2%	73.4%	70.7%	70.7%	81.0%	80.2%	82.2%	82.3%
2020	80.3%	74.9%	71.5%	63.1%	69.2%	67.7%	71.1%	75.1%	75.0%	80.5%	76.1%	83.7%
2021	84.6%	77.4%	63.5%	65.3%	62.7%	64.9%	79.9%	76.7%	80.3%	86.2%	80.4%	80.2%
2022	77.0%	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