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
1995	M	M	M	M	M	M	M	M	0.00	0.00	0.00	0.00
1996	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1997	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1998	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1999	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2000	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	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	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	M
2007	M	0.00	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	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
1995	M	M	M	M	M	M	M	M	10.2	13.9	10.0	9.5
1996	10.0	14.4	10.4	8.9	10.8	10.3	9.0	8.3	8.6	10.5	10.5	11.2
1997	14.4	14.9	14.0	12.0	11.0	8.5	7.8	9.2	12.2	12.0	10.7	8.8
1998	12.2	13.9	11.9	9.8	9.2	8.4	7.7	8.9	7.3	9.3	11.2	12.2
1999	10.5	12.4	11.6	9.9	10.7	10.4	9.5	8.0	9.9	8.2	12.9	8.7
2000	14.3	11.6	11.9	9.0	10.4	10.7	6.8	8.4	8.3	11.8	12.9	7.5
2001	11.1	13.9	9.1	9.7	9.4	9.7	10.4	7.8	7.0	7.4	15.5	9.9
2002	11.9	12.2	9.3	9.8	9.8	10.1	8.5	8.4	8.2	9.3	9.9	10.0
2003	10.4	10.0	13.6	10.5	9.7	8.3	8.1	8.2	11.3	9.6	9.7	13.1
2004	11.8	9.8	10.0	9.6	10.5	10.1	8.6	8.4	8.6	9.6	10.5	12.7
2005	12.9	10.4	8.4	10.5	9.7	10.4	8.3	8.0	10.2	10.7	8.9	11.1
2006	14.2	8.3	8.9	8.7	10.6	9.5	8.5	7.3	7.6	8.6	12.3	13.0
2007	10.6	11.8	11.0	12.7	11.1	7.9	8.2	8.0	10.0	10.1	8.8	12.5
2008	11.6	11.8	9.1	8.3	8.5	7.5	8.5	7.9	7.8	13.7	10.9	12.5
2009	12.6	8.8	12.4	8.9	10.1	8.5	7.6	7.8	13.6	7.0	11.0	9.5
2010	11.3	9.4	8.4	9.3	7.9	8.9	8.6	8.1	6.5	11.9	6.9	9.4
2011	11.3	12.2	14.0	10.5	8.9	8.6	7.5	7.0	8.5	12.4	11.9	13.0
2012	13.0	12.4	13.2	9.9	11.0	8.2	10.4	8.7	10.5	7.6	11.7	11.4
2013	7.8	9.7	10.2	10.1	10.1	8.7	11.1	9.3	6.9	9.7	13.5	15.5
2014	15.9	12.6	14.3	10.5	11.3	10.1	7.3	7.5	10.2	13.4	10.3	11.5
2015	15.2	16.0	11.7	13.5	10.1	11.4	9.0	9.6	8.9	10.9	10.9	14.6
2016	12.0	10.3	10.7	10.6	9.2	9.5	7.9	7.8	8.7	9.4	12.0	13.6
2017	12.3	9.7	12.6	10.6	10.2	11.4	8.7	10.9	9.3	11.7	11.8	11.6
2018	13.4	11.9	8.8	9.9	10.5	11.2	8.2	9.8	13.0	12.1	9.0	10.6
2019	12.5	13.8	12.1	9.6	9.9	10.3	8.6	8.4	9.6	9.3	7.3	13.7
2020	18.8	11.4	15.3	11.5	12.4	10.5	9.0	8.8	13.0	9.0	13.3	10.6
2021	10.0	10.1	12.9	10.2	9.4	9.8	10.6	8.4	10.0	10.3	10.9	11.8
2022	15.1	12.8	12.5	8.5	10.8	10.9	10.7	9.2	6.8	8.9	10.0	9.7
2023	12.1	10.7	8.6	8.5	9.2	8.3	6.4	6.9	8.4	7.6	7.3	8.9
2024	12.3	12.4	8.2	8.1	7.4	9.5	6.9	9.5	7.8	9.7	10.5	12.6
2025	10.8	8.6	11.1	9.3	9.0	8.3	6.4	10.2	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1995	M	M	M	M	M	M	M	M	52.25	48.26	36.77	34.54
1996	36.81	29.55	37.00	43.04	48.83	54.63	57.77	66.63	54.13	48.45	35.31	33.67
1997	38.10	35.79	37.31	38.47	48.23	60.93	66.88	65.03	55.60	44.89	38.10	35.79
1998	35.61	36.40	35.42	44.19	49.07	57.25	62.61	60.30	59.93	46.97	36.38	37.27
1999	31.70	34.46	38.60	46.36	51.23	59.23	60.10	59.39	61.37	48.45	44.83	31.33
2000	36.87	36.48	36.65	43.76	53.39	53.79	57.81	56.53	57.00	51.45	43.57	36.18
2001	37.03	27.57	32.19	43.34	48.06	53.97	58.00	60.33	56.73	49.10	40.33	35.11
2002	34.39	37.01	37.27	48.10	57.55	64.30	65.06	68.39	55.23	41.33	32.87	32.81
2003	30.24	37.97	40.94	44.16	52.45	58.69	67.30	61.83	55.61	43.89	41.69	37.37
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	M
2007	M	30.25	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	M	32.00	M	42.80	M	M	M	M	M	M	42.80	M
2010	19.40	M	M	M	48.20	M	M	57.80	M	M	30.20	27.08
2011	38.56	M	M	M	48.20	55.40	M	64.04	58.22	50.23	47.24	37.70
2012	34.73	35.54	41.87	42.99	49.77	56.42	58.59	58.54	53.30	45.59	41.90	29.12
2013	33.97	33.61	33.08	42.49	58.34	59.90	60.74	62.43	57.38	47.68	42.02	40.10
2014	31.07	41.00	41.41	45.28	52.73	57.86	70.79	64.23	57.32	48.95	41.72	36.50
2015	36.12	38.88	42.39	44.97	50.93	52.34	58.13	66.26	58.58	49.54	42.62	42.02
2016	30.20	36.03	40.46	44.42	54.06	56.54	62.25	61.09	59.12	49.01	38.48	41.00
2017	38.56	35.41	38.79	43.02	48.40	59.35	62.00	60.40	59.58	48.20	38.09	34.89
2018	34.90	31.36	33.32	45.50	56.85	52.76	66.37	59.87	56.66	47.21	44.18	35.96
2019	33.05	37.27	37.11	49.61	49.77	58.19	62.92	62.41	54.02	44.83	35.48	39.52
2020	41.23	37.21	38.60	43.59	47.23	64.47	60.68	61.32	55.82	49.01	44.96	40.07
2021	30.43	32.84	40.83	42.99	51.51	60.56	64.69	59.23	55.22	49.13	40.34	33.43
2022	39.08	34.64	43.96	42.92	52.32	58.76	58.59	61.15	57.20	49.71	44.90	34.85
2023	38.68	39.33	34.38	45.74	52.26	60.14	64.46	65.04	59.68	44.25	34.58	30.95
2024	33.97	36.47	43.03	45.38	62.89	62.36	66.32	65.74	57.56	50.23	43.28	40.25
2025	37.17	40.10	43.03	47.42	50.35	59.18	71.89	66.89	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1995	M	M	M	M	M	M	M	M	41.65	42.26	31.17	27.79
1996	31.87	23.28	29.94	34.46	41.21	48.13	50.90	57.23	44.00	41.48	28.97	29.15
1997	31.84	29.50	30.45	31.20	40.73	52.00	55.52	54.77	48.40	38.67	33.87	30.76
1998	30.77	31.48	29.00	34.26	41.87	50.21	54.16	51.30	47.56	38.77	31.90	32.27
1999	26.33	27.96	30.87	36.54	42.23	50.53	52.13	49.39	51.57	38.94	39.07	22.23
2000	31.48	30.79	28.10	35.17	44.77	46.79	49.71	48.87	46.17	44.58	38.80	29.86
2001	32.23	21.57	24.52	33.93	41.26	48.33	52.00	51.50	46.90	41.68	34.33	29.43
2002	29.10	30.46	30.23	40.47	48.58	55.63	55.74	55.55	46.17	33.63	27.30	28.56
2003	23.23	30.74	35.25	35.96	45.11	50.83	56.00	52.73	47.79	37.17	35.83	30.12
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	M
2007	M	23.58	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	M	32.00	M	42.80	M	M	M	M	M	M	42.80	M
2010	19.40	M	M	M	48.20	M	M	57.80	M	M	28.40	22.22
2011	32.64	M	M	M	46.40	53.00	M	51.98	48.68	44.77	42.08	32.84
2012	31.01	29.58	36.06	35.17	41.70	48.86	51.80	50.35	46.22	36.50	37.28	24.62
2013	27.35	26.92	24.68	34.82	49.46	52.22	53.66	52.67	47.24	40.30	35.90	34.58
2014	27.70	35.47	33.57	37.40	43.90	50.00	60.80	53.66	47.00	42.28	36.20	31.64
2015	31.48	34.38	35.25	37.15	43.21	46.22	51.68	56.04	49.76	42.63	36.98	35.72
2016	24.34	30.26	35.66	35.30	45.24	48.38	54.18	51.39	50.12	39.37	33.02	35.66
2017	33.28	30.59	30.84	34.85	41.53	51.32	54.40	52.67	51.44	42.47	33.25	29.62
2018	29.62	25.70	24.14	36.32	49.19	48.02	56.74	51.63	48.92	41.35	38.84	31.88
2019	27.35	31.74	29.15	37.72	42.39	51.49	54.44	53.48	46.34	36.59	30.08	35.66
2020	36.65	31.38	32.48	36.90	43.15	56.09	53.14	51.74	48.20	42.22	40.16	37.46
2021	26.37	21.59	34.26	34.05	43.44	51.80	56.79	50.81	48.02	42.80	31.04	27.66
2022	31.16	28.21	35.19	33.49	44.54	51.26	53.31	50.93	46.94	41.12	37.28	25.32
2023	31.48	30.97	21.55	34.52	39.84	46.46	52.21	51.34	47.39	35.02	24.74	23.52
2024	26.60	28.15	32.12	32.00	43.90	47.72	51.22	54.24	45.68	40.01	34.04	31.88
2025	28.28	30.71	32.99	36.50	39.95	46.34	54.70	55.12	M	M	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1995	M	M	M	M	M	M	M	M	46.95	45.26	33.97	31.16
1996	34.34	26.41	33.47	38.75	45.02	51.38	54.34	61.93	49.07	44.97	32.14	31.41
1997	34.97	32.64	33.88	34.83	44.48	56.47	61.20	59.90	52.00	41.78	35.98	33.28
1998	33.19	33.94	32.21	39.22	45.47	53.73	58.39	55.80	53.74	42.87	34.14	34.77
1999	29.02	31.21	34.73	41.45	46.73	54.88	56.12	54.39	56.47	43.69	41.95	26.78
2000	34.18	33.64	32.37	39.47	49.08	50.29	53.76	52.70	51.59	48.02	41.18	33.02
2001	34.63	24.57	28.35	38.64	44.66	51.15	55.00	55.92	51.82	45.39	37.33	32.27
2002	31.74	33.74	33.75	44.28	53.06	59.97	60.40	61.97	50.70	37.48	30.08	30.69
2003	26.73	34.36	38.09	40.06	48.78	54.76	61.65	57.28	51.70	40.53	38.76	33.74
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	M
2007	M	26.92	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	M	32.00	M	42.80	M	M	M	M	M	M	42.80	M
2010	19.40	M	M	M	48.20	M	M	57.80	M	M	29.30	24.65
2011	35.60	M	M	M	47.30	54.20	M	58.01	53.45	47.50	44.66	35.27
2012	32.87	32.56	38.97	39.08	45.73	52.64	55.20	54.44	49.76	40.97	39.59	26.87
2013	30.66	30.26	28.88	38.52	53.90	56.06	57.20	57.55	52.31	43.99	38.96	37.34
2014	29.39	38.24	37.49	41.34	48.32	53.93	65.79	58.94	52.16	45.62	38.96	34.07
2015	33.80	36.63	38.82	41.06	47.07	49.28	54.91	61.15	54.17	46.08	39.80	38.87
2016	27.27	33.15	38.06	39.86	49.65	52.46	58.22	56.24	54.62	44.19	35.75	38.33
2017	35.92	33.00	34.82	38.94	44.97	55.33	58.20	56.53	55.51	45.33	35.67	32.26
2018	32.26	28.53	28.73	40.91	53.02	50.39	61.55	55.75	52.79	44.28	41.51	33.92
2019	30.20	34.51	33.13	43.67	46.08	54.84	58.68	57.94	50.18	40.71	32.78	37.59
2020	38.94	34.30	35.54	40.24	45.19	60.28	56.91	56.53	52.01	45.62	42.56	38.77
2021	28.40	27.21	37.55	38.52	47.47	56.18	60.74	55.02	51.62	45.96	35.69	30.54
2022	35.12	31.42	39.58	38.21	48.43	55.01	55.95	56.04	52.07	45.41	41.09	30.08
2023	35.08	35.15	27.96	40.13	46.05	53.30	58.33	58.19	53.54	39.64	29.66	27.24
2024	30.29	32.31	37.57	38.69	53.40	55.04	58.77	59.99	51.62	45.12	38.66	36.06
2025	32.73	35.41	38.01	41.96	45.15	52.76	63.30	61.01	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
1995	M	M	M	M	M	M	M	M	80.5%	81.7%	85.9%	85.6%
1996	76.4%	75.7%	74.7%	75.1%	69.4%	81.6%	83.3%	78.3%	79.0%	84.4%	88.4%	85.5%
1997	86.7%	75.4%	84.7%	85.4%	80.3%	77.4%	79.6%	81.9%	88.7%	88.6%	79.2%	89.2%
1998	85.4%	86.0%	90.5%	67.3%	77.2%	77.9%	83.3%	83.9%	80.1%	82.3%	77.4%	80.7%
1999	81.7%	84.6%	73.0%	74.9%	64.8%	76.8%	79.9%	76.6%	76.2%	82.7%	81.3%	83.0%
2000	82.3%	81.4%	78.9%	76.7%	73.4%	78.1%	81.5%	87.6%	77.0%	73.7%	73.0%	85.4%
2001	79.7%	77.9%	72.5%	72.9%	76.7%	78.4%	83.1%	81.8%	79.7%	83.3%	78.2%	85.0%
2002	84.7%	81.6%	79.7%	74.0%	61.0%	65.4%	70.8%	72.1%	79.2%	74.4%	73.8%	77.8%
2003	82.5%	77.1%	78.8%	70.3%	70.9%	70.3%	69.2%	75.4%	73.9%	79.5%	74.1%	79.5%
2004	72.0%	84.2%	68.8%	67.8%	65.4%	70.8%	74.9%	72.3%	80.2%	75.6%	85.0%	81.7%
2005	82.4%	76.2%	74.3%	70.2%	74.5%	76.4%	77.2%	80.9%	81.5%	78.2%	84.9%	80.4%
2006	78.8%	82.9%	68.3%	68.9%	65.9%	78.0%	73.0%	73.9%	85.7%	81.9%	78.5%	82.9%
2007	83.5%	71.0%	74.4%	83.1%	73.4%	71.0%	71.3%	80.8%	79.5%	84.4%	83.4%	83.1%
2008	76.4%	77.2%	73.3%	70.7%	73.9%	74.5%	76.0%	69.8%	72.7%	75.5%	80.0%	76.2%
2009	73.1%	82.0%	69.8%	75.5%	72.3%	69.1%	72.2%	74.9%	80.6%	79.6%	74.2%	73.5%
2010	78.7%	72.7%	79.2%	73.4%	72.5%	76.7%	77.4%	78.0%	78.7%	79.4%	78.7%	82.0%
2011	86.4%	73.5%	78.1%	79.7%	68.1%	76.6%	80.4%	83.0%	83.5%	80.4%	84.2%	80.4%
2012	75.3%	80.3%	83.3%	71.1%	73.1%	70.6%	84.9%	82.5%	82.0%	81.9%	78.3%	73.8%
2013	86.7%	82.2%	77.5%	75.8%	69.5%	77.7%	83.9%	79.9%	78.7%	82.5%	78.7%	76.7%
2014	55.5%	66.6%	75.2%	76.1%	69.0%	73.4%	71.3%	76.8%	79.3%	72.9%	74.2%	81.8%
2015	73.9%	76.5%	72.9%	76.9%	72.2%	75.7%	78.7%	70.5%	76.2%	78.7%	85.1%	78.4%
2016	74.0%	77.3%	77.0%	75.9%	67.8%	74.6%	78.4%	78.5%	79.7%	73.1%	76.8%	82.0%
2017	84.2%	76.4%	73.3%	72.0%	69.1%	73.3%	73.3%	78.8%	69.4%	78.5%	84.4%	85.7%
2018	73.8%	67.9%	69.4%	73.2%	70.8%	82.8%	75.6%	83.5%	79.7%	80.5%	82.5%	80.9%
2019	81.2%	79.6%	75.5%	61.4%	76.2%	77.1%	79.4%	81.6%	78.9%	79.8%	80.5%	84.0%
2020	81.7%	81.2%	77.9%	75.8%	79.5%	69.5%	75.4%	82.5%	77.3%	81.4%	81.0%	72.3%
2021	78.0%	80.5%	80.3%	75.6%	68.4%	76.9%	79.1%	83.4%	79.4%	86.4%	81.7%	78.7%
2022	80.0%	78.6%	73.4%	73.7%	73.7%	79.5%	84.2%	83.1%	77.2%	83.9%	68.7%	77.0%
2023	77.8%	82.3%	73.1%	70.5%	74.4%	78.4%	80.3%	80.2%	83.0%	78.8%	74.2%	77.8%
2024	78.9%	75.9%	72.0%	70.6%	69.2%	75.2%	78.9%	78.0%	81.2%	82.1%	85.6%	80.0%
2025	81.3%	80.3%	77.5%	78.3%	77.8%	76.5%	73.8%	79.2%	M	M	M	M