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	0.00	0.00	M	0.00	0.00	M	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	M	M	M	M	M	M	M
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
2025	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	4.1	19.8	M	M	M	M	M	M	M	M	M	M
2001	8.2	10.7	M	9.2	8.3	8.0	7.7	6.8	7.9	8.9	8.6	8.8
2002	8.7	10.1	12.4	9.3	10.5	7.8	7.7	7.6	7.8	9.5	8.9	9.7
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	5.7	M	M	M	M	3.3	7.1	M	8.7	M	13.2
2005	9.3	8.6	11.2	10.9	10.6	9.3	6.9	7.0	8.4	10.0	10.8	10.0
2006	10.5	11.8	9.9	9.2	10.5	7.7	7.3	7.6	7.1	9.6	8.6	9.2
2007	9.8	11.9	10.5	11.4	9.9	8.7	7.1	6.4	8.4	8.0	8.9	11.1
2008	10.0	10.1	10.5	9.9	9.4	8.1	7.9	7.3	6.1	8.6	9.5	10.4
2009	10.7	9.8	9.3	10.2	9.4	9.0	8.5	7.6	7.2	8.3	7.7	11.2
2010	11.5	13.4	9.5	9.3	8.1	7.3	7.6	7.4	8.5	10.1	9.1	8.6
2011	9.4	9.8	9.5	10.6	10.1	8.3	6.8	7.5	6.8	10.2	7.9	7.7
2012	11.1	8.7	9.4	10.2	7.8	7.3	6.9	7.9	8.1	9.7	7.2	10.0
2013	10.9	10.9	9.4	10.1	8.8	9.3	8.3	8.4	8.5	8.7	10.2	10.9
2014	10.5	10.1	10.5	9.7	9.5	7.0	8.3	6.9	8.5	9.5	10.8	9.9
2015	10.5	10.5	10.5	9.8	9.9	8.0	7.4	7.9	7.4	8.6	9.1	9.6
2016	10.5	11.2	9.6	9.4	9.5	8.6	9.0	7.9	7.7	7.9	9.0	9.4
2017	10.2	10.0	10.4	9.7	9.3	8.9	7.9	7.8	7.4	8.6	8.8	10.5
2018	10.2	8.9	10.6	9.6	8.2	8.8	7.0	6.0	6.4	9.8	11.7	7.2
2019	10.4	12.2	9.5	11.9	8.2	7.3	6.5	6.2	6.9	8.1	8.7	9.5
2020	8.3	9.3	10.1	11.1	8.7	8.8	7.2	7.6	6.3	6.7	8.0	8.2
2021	8.6	9.3	9.2	10.0	8.0	7.5	7.3	6.4	6.3	8.5	7.8	9.4
2022	8.2	9.7	9.7	9.0	8.0	7.6	7.8	6.1	6.9	6.7	8.2	11.0
2023	9.0	9.6	8.8	10.8	9.2	8.8	6.2	6.4	6.5	5.9	7.5	8.3
2024	10.5	7.4	9.8	11.2	9.0	7.7	7.1	5.8	8.2	8.1	8.6	8.6
2025	9.7	10.4	9.7	9.2	9.1	7.5	6.9	6.2	4.8	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	17.96	16.10	30.20	33.35	52.88	75.20	M	73.40	M	33.80	M	30.20
2001	19.63	20.69	28.40	46.88	68.75	74.18	73.46	76.83	66.56	53.43	42.26	32.87
2002	25.09	25.57	30.84	46.64	58.88	69.20	77.29	78.63	71.72	47.74	33.86	25.67
2003	14.75	18.95	29.97	42.32	59.75	73.94	74.62	72.82	68.90	50.29	39.92	28.23
2004	23.00	29.30	M	M	M	63.02	70.31	66.96	61.54	49.15	32.87	15.68
2005	15.57	25.38	31.13	48.56	58.07	74.12	79.32	M	42.80	53.72	38.54	25.44
2006	27.88	14.77	28.17	42.71	57.36	67.55	71.48	68.69	56.60	47.05	36.59	27.20
2007	22.27	19.04	30.90	44.65	64.33	72.67	75.81	73.20	67.60	56.94	37.73	22.46
2008	22.90	23.59	28.86	48.37	60.44	70.42	75.55	72.83	66.34	52.14	39.02	24.21
2009	12.20	24.64	33.30	51.66	60.96	70.29	71.20	75.81	66.45	46.94	44.63	26.12
2010	24.83	27.69	39.99	55.05	67.95	71.59	80.58	76.22	63.07	52.37	40.51	26.19
2011	22.12	22.73	32.26	45.44	58.65	72.08	79.21	73.55	68.24	53.48	44.84	29.27
2012	21.32	27.03	38.91	50.00	65.97	73.04	79.38	77.29	67.94	53.66	39.02	27.30
2013	20.79	23.64	35.19	48.08	64.98	68.06	79.38	74.15	64.70	54.65	37.10	18.59
2014	17.77	20.62	24.80	44.06	62.83	74.54	76.77	75.95	65.90	54.41	36.50	27.70
2015	16.32	11.04	28.63	47.18	68.35	69.20	75.32	75.32	71.72	49.83	42.08	33.74
2016	24.34	25.30	32.64	43.76	64.28	72.38	76.07	76.83	67.88	53.02	41.84	24.51
2017	23.99	26.02	28.40	46.94	59.29	72.32	75.43	72.99	70.28	59.58	36.44	17.95
2018	17.72	27.56	34.32	41.66	66.32	70.58	80.48	78.22	68.06	46.46	31.16	23.58
2019	16.96	20.04	30.95	42.50	58.42	70.46	80.83	74.91	63.50	52.79	32.78	25.73
2020	23.46	25.79	34.44	44.24	63.88	75.44	79.21	74.04	64.94	50.46	42.08	30.14
2021	23.75	24.29	36.35	52.34	64.05	74.72	74.50	79.90	67.22	57.61	39.26	27.41
2022	13.10	21.14	31.48	46.40	65.91	70.82	77.58	75.49	66.08	57.20	40.16	30.95
2023	25.15	22.61	34.90	47.54	65.10	70.34	77.46	71.48	70.76	58.71	36.38	31.19
2024	23.81	28.77	36.94	50.84	65.50	74.30	78.86	75.37	69.44	55.98	42.86	25.85
2025	19.98	20.24	33.80	47.60	61.55	73.52	78.63	76.01	72.20	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	17.60	14.60	30.20	31.10	51.44	73.40	M	69.80	M	32.00	M	30.20
2001	3.14	3.91	28.40	31.04	45.99	55.28	56.15	57.72	50.42	39.37	30.08	22.94
2002	11.27	9.56	16.09	32.06	40.13	50.60	59.75	57.55	50.54	34.61	23.06	12.14
2003	-0.92	-0.08	12.66	26.66	43.38	52.88	58.36	58.59	51.14	37.46	26.78	14.35
2004	23.00	19.40	M	M	M	59.28	65.17	63.98	59.08	44.98	29.14	10.40
2005	-2.14	8.79	17.08	33.62	43.09	55.04	59.41	M	41.00	41.58	26.96	11.27
2006	13.54	10.14	22.65	40.46	52.11	63.05	67.10	63.98	53.60	46.40	34.92	24.12
2007	5.75	0.69	15.08	31.51	43.64	53.03	57.12	54.15	47.55	41.86	25.51	9.48
2008	7.79	5.76	12.08	32.99	42.89	55.45	59.91	56.86	48.77	36.86	28.57	7.32
2009	-5.30	8.36	16.86	33.76	42.26	52.26	57.30	58.48	47.36	36.11	30.63	13.99
2010	13.15	17.91	25.41	36.75	45.29	53.71	61.47	57.70	51.00	37.08	26.68	14.63
2011	7.45	7.29	17.10	31.48	45.49	53.51	59.77	58.23	52.22	40.13	30.50	16.09
2012	5.64	10.71	24.63	33.98	48.43	55.34	59.23	60.05	48.98	41.17	24.50	15.80
2013	3.90	10.21	24.86	31.34	45.82	51.20	59.99	56.39	47.78	39.03	24.80	5.93
2014	2.27	4.10	6.34	29.72	44.95	54.98	58.88	56.79	47.84	41.17	24.92	16.15
2015	-3.19	-7.15	10.75	30.14	46.46	51.26	57.90	59.58	53.24	33.63	29.06	26.43
2016	11.21	8.79	17.66	25.40	44.25	53.48	57.95	59.23	49.04	38.50	32.06	11.45
2017	12.72	12.14	13.07	33.32	44.08	53.72	57.78	54.94	52.10	42.34	22.76	5.64
2018	1.69	8.34	22.19	26.90	41.99	50.90	60.22	59.00	48.92	34.26	21.14	8.66
2019	0.65	1.66	13.19	30.14	40.07	50.84	58.59	55.34	47.84	37.57	21.02	13.42
2020	10.92	5.99	19.23	28.94	42.10	52.22	61.55	56.21	45.56	36.01	26.72	17.95
2021	13.01	6.61	16.73	33.80	42.74	55.70	55.81	60.97	49.40	42.97	26.42	11.97
2022	-6.58	3.91	18.35	32.54	43.26	52.82	57.66	58.19	48.50	36.65	25.70	20.33
2023	13.83	3.39	21.32	31.88	41.93	53.60	62.19	55.63	52.64	44.37	23.84	19.57
2024	10.05	12.39	24.45	32.84	46.57	55.40	60.74	57.95	51.38	39.32	31.28	14.17
2025	5.35	3.52	19.23	30.62	43.55	52.70	59.70	54.70	49.10	M	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	17.78	15.35	30.20	32.23	52.16	74.30	M	71.60	M	32.90	M	30.20
2001	11.39	12.30	28.40	38.96	57.37	64.73	64.81	67.27	58.49	46.40	36.17	27.91
2002	18.18	17.57	23.46	39.35	49.51	59.90	68.52	68.09	61.13	41.17	28.46	18.91
2003	6.92	9.44	21.32	34.49	51.57	63.41	66.49	65.71	60.02	43.87	33.35	21.29
2004	23.00	24.35	M	M	M	61.15	67.74	65.47	60.31	47.06	31.01	13.04
2005	6.71	17.09	24.10	41.09	50.58	64.58	69.36	M	41.90	47.65	32.75	18.35
2006	20.71	12.46	25.41	41.58	54.73	65.30	69.29	66.34	55.10	46.73	35.76	25.66
2007	14.01	9.86	22.99	38.08	53.98	62.85	66.46	63.67	57.58	49.40	31.62	15.97
2008	15.35	14.68	20.47	40.68	51.66	62.93	67.73	64.84	57.56	44.50	33.79	15.76
2009	3.45	16.50	25.08	42.71	51.61	61.27	64.25	67.15	56.90	41.53	37.63	20.05
2010	18.99	22.80	32.70	45.90	56.62	62.65	71.03	66.96	57.03	44.73	33.59	20.41
2011	14.78	15.01	24.68	38.46	52.07	62.79	69.49	65.89	60.23	46.81	37.67	22.68
2012	13.48	18.87	31.77	41.99	57.20	64.19	69.31	68.67	58.46	47.42	31.76	21.55
2013	12.35	16.93	30.03	39.71	55.40	59.63	69.68	65.27	56.24	46.84	30.95	12.26
2014	10.02	12.36	15.57	36.89	53.89	64.76	67.83	66.37	56.87	47.79	30.71	21.93
2015	6.57	1.95	19.69	38.66	57.40	60.23	66.61	67.45	62.48	41.73	35.57	30.08
2016	17.77	17.04	25.15	34.58	54.27	62.93	67.01	68.03	58.46	45.76	36.95	17.98
2017	18.35	19.08	20.74	40.13	51.68	63.02	66.61	63.96	61.19	50.96	29.60	11.79
2018	9.70	17.95	28.25	34.28	54.15	60.74	70.35	68.61	58.49	40.36	26.15	16.12
2019	8.80	10.85	22.07	36.32	49.25	60.65	69.71	65.13	55.67	45.18	26.90	19.57
2020	17.19	15.89	26.83	36.59	52.99	63.83	70.38	65.13	55.25	43.24	34.40	24.05
2021	18.38	15.45	26.54	43.07	53.40	65.21	65.15	70.44	58.31	50.29	32.84	19.69
2022	3.26	12.52	24.92	39.47	54.59	61.82	67.62	66.84	57.29	46.92	32.93	25.64
2023	19.49	13.00	28.11	39.71	53.51	61.97	69.83	63.56	61.70	51.54	30.11	25.38
2024	16.93	20.58	30.69	41.84	56.04	64.85	69.80	66.66	60.41	47.65	37.07	20.01
2025	12.66	11.88	26.51	39.11	52.55	63.11	69.16	65.36	60.65	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	85.7%	80.3%	M	M	M	M	M	M	M	M	M	M
2001	74.6%	68.4%	M	56.3%	59.6%	69.7%	76.7%	72.2%	77.4%	79.0%	80.6%	82.0%
2002	84.4%	80.0%	76.7%	70.9%	69.9%	71.6%	74.8%	73.3%	74.1%	79.9%	82.6%	82.1%
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	54.2%	M	M	M	M	85.0%	86.2%	M	91.7%	M	96.1%
2005	66.5%	69.3%	68.2%	70.7%	69.2%	73.6%	69.4%	73.0%	79.5%	81.9%	84.9%	82.2%
2006	81.6%	76.5%	72.6%	66.9%	73.1%	73.6%	76.0%	71.9%	80.0%	78.8%	82.1%	82.5%
2007	73.4%	67.7%	67.0%	69.5%	55.1%	66.2%	72.0%	72.9%	71.4%	75.3%	71.7%	74.9%
2008	70.8%	70.5%	65.0%	68.8%	63.0%	78.9%	78.5%	79.9%	79.5%	78.3%	78.2%	74.3%
2009	71.2%	75.1%	66.1%	60.8%	63.1%	71.3%	81.7%	73.6%	73.7%	80.3%	76.4%	76.6%
2010	76.0%	76.3%	63.5%	62.5%	58.9%	69.4%	71.1%	75.0%	83.1%	75.6%	80.1%	85.8%
2011	74.1%	69.5%	72.8%	66.8%	75.9%	71.6%	71.7%	79.8%	79.1%	77.1%	77.6%	80.3%
2012	77.1%	73.0%	67.9%	60.6%	64.8%	74.1%	68.9%	76.5%	75.7%	80.6%	71.7%	82.3%
2013	69.2%	67.8%	74.6%	62.9%	68.7%	74.8%	70.3%	78.3%	79.1%	77.8%	71.3%	76.5%
2014	72.4%	69.9%	65.0%	68.5%	71.4%	69.0%	74.3%	77.5%	80.2%	79.2%	73.7%	78.8%
2015	71.9%	64.7%	62.7%	64.7%	64.7%	69.3%	74.8%	80.0%	77.4%	74.0%	75.9%	83.0%
2016	75.2%	73.1%	67.2%	53.8%	65.3%	70.0%	75.9%	74.1%	78.0%	79.8%	82.6%	78.4%
2017	76.6%	71.6%	63.7%	75.2%	73.0%	71.3%	72.2%	73.0%	77.2%	77.0%	73.3%	73.7%
2018	74.1%	75.4%	71.3%	70.5%	58.3%	70.0%	74.8%	80.2%	80.0%	78.6%	81.9%	81.3%
2019	76.3%	74.7%	71.3%	71.7%	68.0%	71.6%	71.6%	75.2%	80.1%	80.6%	76.9%	79.0%
2020	79.3%	75.9%	70.2%	63.6%	54.6%	65.9%	76.8%	79.4%	80.0%	80.2%	79.6%	82.2%
2021	78.9%	75.9%	66.3%	67.3%	61.2%	72.1%	75.5%	75.1%	80.7%	82.6%	80.2%	76.8%
2022	71.8%	75.8%	75.5%	65.9%	63.3%	76.2%	74.6%	80.9%	79.8%	78.7%	79.0%	79.5%
2023	80.4%	75.0%	72.6%	68.9%	56.4%	77.2%	83.8%	84.2%	83.9%	85.7%	79.7%	83.1%
2024	79.7%	76.7%	75.3%	68.1%	74.2%	76.1%	80.1%	83.2%	83.1%	79.9%	81.7%	84.7%
2025	80.1%	75.0%	74.3%	69.0%	73.2%	74.4%	76.0%	73.3%	75.5%	M	M	M