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
1994	M	0.00	0.00	0.00	0.00	M	0.00	0.00	0.00	0.00	0.00	3.94
1995	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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
2026	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
1994	M	M	M	M	M	M	M	M	6.9	10.9	7.5	10.6
1995	12.6	12.7	11.7	9.0	6.1	6.2	6.8	6.2	9.3	6.5	6.9	6.3
1996	7.5	6.8	6.1	4.6	5.1	5.3	7.2	5.6	5.9	6.0	9.8	9.6
1997	8.0	13.7	6.8	9.0	8.0	6.9	5.7	6.1	6.7	7.5	7.5	8.2
1998	8.3	9.7	10.2	7.5	7.1	7.0	8.5	8.2	6.6	11.6	5.1	5.9
1999	5.5	6.3	4.6	4.3	4.4	3.8	5.3	4.4	4.2	6.1	4.6	7.8
2000	7.2	6.8	7.2	5.1	4.7	5.8	6.2	4.4	5.4	4.9	4.8	5.3
2001	4.9	9.0	8.8	7.7	7.8	7.6	7.1	7.2	8.5	7.3	8.2	9.6
2002	9.5	11.5	8.6	7.5	6.8	7.6	7.7	5.9	6.6	9.7	7.1	8.6
2003	8.5	6.2	7.0	8.9	7.5	7.1	6.9	6.8	6.1	7.2	7.7	8.8
2004	7.3	9.4	8.5	7.3	7.6	8.1	7.9	7.3	7.8	7.1	8.6	7.6
2005	11.0	8.4	9.3	6.9	7.4	7.3	7.3	6.5	5.5	7.0	6.4	8.2
2006	6.7	7.2	7.3	6.9	8.4	5.9	5.6	7.5	7.7	6.8	8.8	7.8
2007	13.1	8.4	8.8	7.8	7.6	7.4	8.2	5.9	7.7	4.9	7.9	7.0
2008	9.8	7.7	9.8	6.0	5.5	6.4	6.6	7.5	5.0	6.1	7.7	6.6
2009	5.3	7.6	7.5	6.5	6.7	7.3	6.7	5.5	5.4	7.0	8.6	7.0
2010	7.4	7.6	8.9	7.1	7.0	6.6	6.1	6.8	7.4	8.1	7.7	7.7
2011	7.1	9.6	6.9	7.5	7.4	7.9	8.4	6.7	5.5	6.5	6.0	10.7
2012	9.7	7.6	7.0	6.9	6.5	7.0	6.2	5.5	6.0	6.1	6.1	7.1
2013	7.3	6.0	7.2	6.2	6.2	6.1	4.9	5.1	6.6	6.4	6.6	8.6
2014	7.8	8.3	6.6	6.2	7.2	6.4	5.6	6.5	5.7	5.6	6.7	10.0
2015	10.5	7.0	8.8	7.3	6.7	6.9	8.1	5.8	6.4	5.0	8.9	9.0
2016	7.7	9.5	6.3	6.3	7.6	5.6	6.3	5.8	5.1	5.5	6.5	8.0
2017	7.0	8.0	7.1	7.9	6.6	7.9	6.7	6.2	6.4	9.0	7.8	9.4
2018	9.5	5.5	8.1	7.3	7.0	7.0	5.8	6.5	6.0	7.5	6.6	9.1
2019	9.2	7.2	10.4	7.4	6.8	6.5	6.4	5.8	6.6	6.6	6.6	7.3
2020	8.2	11.9	7.7	6.6	6.4	6.2	6.4	6.2	5.1	6.9	6.1	7.2
2021	6.7	6.1	7.2	7.5	8.5	5.5	6.2	6.2	5.2	7.4	7.0	6.7
2022	9.3	12.5	5.9	7.7	6.7	5.9	6.3	4.6	5.8	5.5	5.9	6.9
2023	8.7	8.1	8.1	6.5	6.8	5.7	7.6	5.8	4.6	7.4	8.7	9.9
2024	9.5	9.3	6.7	7.5	6.9	6.4	5.8	5.6	7.4	6.2	7.0	8.0
2025	8.2	5.4	4.6	5.8	6.7	8.1	6.5	5.2	6.4	8.2	5.5	6.1
2026	8.2	6.6	5.3	6.1	5.0	6.9	7.6	M	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1994	M	69.67	71.00	43.00	56.00	M	59.00	67.00	63.43	46.50	47.50	41.58
1995	36.32	47.70	46.48	54.33	65.19	67.24	81.35	76.96	65.00	63.70	41.82	28.05
1996	28.59	33.67	40.55	59.00	61.00	71.04	70.04	75.54	58.38	55.32	44.64	32.26
1997	29.96	44.83	47.38	51.88	64.96	72.04	74.22	80.71	67.63	53.16	42.40	36.61
1998	40.38	45.42	46.83	59.00	70.23	73.80	72.87	73.16	64.90	53.29	39.23	37.65
1999	42.97	38.36	49.71	58.50	68.87	70.87	78.84	75.39	75.30	57.23	43.87	40.74
2000	38.58	46.03	48.10	63.53	73.52	76.57	70.52	78.00	67.63	61.26	50.57	42.39
2001	38.65	42.54	44.87	55.80	69.90	69.33	78.45	78.65	62.10	64.55	44.20	34.94
2002	40.32	48.54	50.13	56.10	70.00	73.50	77.03	81.45	68.20	54.65	45.57	32.52
2003	36.58	36.79	49.84	58.97	71.71	79.90	79.84	82.19	70.90	51.65	49.50	41.45
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	45.71	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	62.60	M	M	37.40	28.63
2011	32.11	23.00	M	M	62.60	M	55.40	69.80	62.60	53.97	43.70	44.08
2012	37.94	31.13	47.54	53.47	64.27	67.28	72.32	72.40	65.02	56.85	46.28	37.86
2013	34.79	34.57	36.18	56.48	64.17	71.72	79.32	76.77	64.04	59.99	45.98	43.44
2014	38.27	48.39	55.40	62.54	64.86	72.02	80.31	72.65	68.78	61.85	49.40	41.29
2015	41.17	41.71	50.17	58.16	66.08	71.84	78.80	82.81	66.32	53.31	52.34	49.65
2016	37.09	44.66	47.04	56.54	69.39	75.56	77.93	75.78	75.50	53.06	43.40	40.94
2017	32.24	42.22	53.66	54.26	69.39	75.80	75.37	76.42	65.78	59.87	46.94	41.93
2018	42.92	35.34	42.39	67.22	74.50	76.46	82.40	82.46	72.56	61.50	47.54	43.32
2019	38.04	47.81	52.26	62.00	63.47	84.02	77.17	80.60	68.42	60.74	48.80	44.37
2020	44.43	48.70	50.35	63.56	64.52	76.46	76.36	81.30	71.54	57.66	49.46	42.92
2021	36.82	41.00	49.94	52.76	63.01	80.06	77.58	72.41	69.62	59.29	46.52	39.95
2022	41.64	47.49	51.86	55.94	70.21	79.34	78.68	80.37	66.50	64.28	49.22	39.26
2023	43.50	44.21	50.52	54.56	68.23	78.20	79.21	76.42	77.36	61.32	47.18	43.09
2024	39.32	50.68	54.99	61.76	71.83	74.60	78.22	81.65	72.80	60.10	45.68	41.70
2025	42.63	41.45	54.24	63.32	66.43	78.20	76.77	76.77	69.92	56.04	47.78	42.28
2026	33.68	40.74	55.23	57.80	68.70	79.82	77.66	M	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1994	M	30.50	36.33	41.00	54.00	M	54.00	61.00	50.57	41.25	41.50	34.08
1995	28.73	35.20	31.30	41.61	41.71	50.48	57.74	53.83	49.00	46.45	31.95	22.26
1996	19.14	20.57	27.45	35.61	45.50	51.65	54.04	55.04	45.77	44.46	35.60	21.96
1997	21.19	34.21	30.50	33.04	46.39	51.27	54.00	55.93	46.44	36.64	33.56	29.70
1998	31.15	34.00	33.07	39.97	46.42	53.00	53.94	51.81	47.93	42.13	30.00	27.13
1999	31.27	28.14	33.71	37.73	45.10	49.40	56.77	51.87	51.97	41.13	31.30	31.58
2000	27.65	32.62	34.84	40.10	47.06	51.70	53.26	53.10	47.70	45.42	35.23	31.65
2001	26.84	27.75	30.81	36.77	46.00	48.23	54.68	55.84	48.40	46.68	32.67	26.19
2002	26.52	32.64	32.81	34.30	49.87	52.97	55.55	57.84	46.40	39.23	31.77	23.32
2003	24.48	18.64	29.74	33.83	46.03	52.53	56.58	54.26	45.23	33.16	36.33	28.74
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	33.00	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	62.60	M	M	35.60	17.31
2011	26.82	23.00	M	M	57.20	M	55.40	56.60	52.86	41.81	31.10	36.59
2012	32.72	21.88	36.98	39.20	51.93	54.32	60.26	63.73	52.36	38.04	35.60	28.63
2013	28.23	27.89	22.77	38.48	46.40	52.34	56.33	53.60	48.86	43.21	35.24	33.97
2014	28.28	32.45	34.44	42.50	46.46	51.08	56.27	52.61	52.76	46.46	38.54	32.87
2015	33.74	28.08	33.57	35.48	42.28	51.68	57.61	58.36	47.18	39.32	39.32	38.91
2016	26.72	32.99	33.22	36.26	48.03	54.56	57.14	53.54	51.26	42.26	33.02	30.43
2017	22.22	30.46	35.31	37.22	47.10	53.78	56.74	54.65	47.36	45.94	36.08	33.05
2018	33.63	21.07	27.24	42.68	49.30	56.48	56.56	56.62	48.74	40.83	34.88	36.35
2019	29.33	30.97	37.40	38.24	42.74	57.44	56.15	55.86	47.42	44.08	36.86	34.44
2020	32.35	37.15	32.00	35.72	42.10	54.44	53.83	58.77	47.12	45.06	36.80	32.41
2021	29.15	23.19	32.06	34.10	44.48	57.50	58.88	53.60	51.14	40.65	36.50	30.26
2022	34.09	35.15	27.47	35.84	46.11	53.00	54.30	56.62	47.36	44.60	34.64	30.37
2023	35.14	30.46	36.30	37.52	43.44	54.14	56.10	58.83	51.62	48.14	37.04	35.02
2024	28.05	38.33	35.43	42.02	50.70	53.54	55.86	56.33	52.88	44.14	35.18	33.51
2025	31.59	25.89	30.49	39.92	43.85	54.08	56.62	52.90	49.82	43.55	34.52	32.00
2026	23.58	30.01	30.78	35.72	44.89	56.30	57.48	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
1994	M	38.00	46.33	42.00	55.00	M	56.50	64.00	57.00	43.88	44.50	37.83
1995	32.52	41.45	38.89	47.97	53.45	58.86	69.54	65.39	57.00	55.08	36.89	25.16
1996	23.86	27.12	34.00	47.30	53.25	61.35	62.04	65.29	52.08	49.89	40.12	27.11
1997	25.57	39.52	38.94	42.46	55.67	61.65	64.11	68.32	57.04	44.90	37.98	33.15
1998	35.77	39.71	39.95	49.48	58.32	63.40	63.40	62.48	56.42	47.71	34.62	32.39
1999	37.12	33.25	41.71	48.12	56.98	60.13	67.81	63.63	63.63	49.18	37.58	36.16
2000	33.11	39.33	41.47	51.82	60.29	64.13	61.89	65.55	57.67	53.34	42.90	37.02
2001	32.74	35.14	37.84	46.28	57.95	58.78	66.56	67.24	55.25	55.61	38.43	30.56
2002	33.42	40.59	41.47	45.20	59.94	63.23	66.29	69.65	57.30	46.94	38.67	27.92
2003	30.53	27.71	39.79	46.40	58.87	66.22	68.21	68.23	58.07	42.40	42.92	35.10
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	39.36	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	62.60	M	M	36.50	22.97
2011	29.47	23.00	M	M	59.90	M	55.40	63.20	57.73	47.89	37.40	40.33
2012	35.33	26.51	42.26	46.34	58.10	60.80	66.29	68.07	58.69	47.45	40.94	33.25
2013	31.51	31.23	29.47	47.48	55.28	62.03	67.83	65.18	56.45	51.60	40.61	38.71
2014	33.28	40.42	44.92	52.52	55.66	61.55	68.29	62.63	60.77	54.15	43.97	37.08
2015	37.46	34.89	41.87	46.82	54.18	61.76	68.20	70.58	56.75	46.31	45.83	44.28
2016	31.91	38.83	40.13	46.40	58.71	65.06	67.54	64.66	63.38	47.66	38.21	35.69
2017	27.23	36.34	44.48	45.74	58.25	64.79	66.05	65.53	56.57	52.90	41.51	37.49
2018	38.27	28.21	34.82	54.95	61.90	66.47	69.48	69.54	60.65	51.16	41.21	39.84
2019	33.68	39.39	44.83	50.12	53.11	70.73	66.66	68.23	57.92	52.41	42.83	39.40
2020	38.39	42.92	41.17	49.64	53.31	65.45	65.10	70.03	59.33	51.36	43.13	37.66
2021	32.99	32.10	41.00	43.43	53.75	68.78	68.23	63.01	60.38	49.97	41.51	35.11
2022	37.86	41.32	39.66	45.89	58.16	66.17	66.49	68.49	56.93	54.44	41.93	34.82
2023	39.32	37.34	43.41	46.04	55.84	66.17	67.65	67.62	64.49	54.73	42.11	39.05
2024	33.68	44.51	45.21	51.89	61.26	64.07	67.04	68.99	62.84	52.12	40.43	37.60
2025	37.11	33.67	42.36	51.62	55.14	66.14	66.69	64.84	59.87	49.80	41.15	37.14
2026	28.63	35.37	43.00	46.76	56.79	68.06	67.57	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
1994	M	M	M	M	M	M	M	M	85.3%	91.2%	93.3%	82.9%
1995	81.7%	76.5%	72.2%	73.3%	65.1%	76.1%	65.4%	63.7%	77.7%	81.5%	89.2%	92.7%
1996	88.3%	83.1%	73.8%	62.0%	71.8%	59.2%	69.7%	71.3%	79.3%	84.5%	86.6%	89.8%
1997	90.7%	76.3%	80.0%	69.6%	72.8%	61.8%	71.3%	65.3%	72.9%	81.8%	84.4%	91.3%
1998	87.9%	79.6%	76.1%	76.4%	66.0%	70.9%	72.2%	67.0%	82.0%	80.0%	89.7%	89.4%
1999	87.0%	85.0%	78.8%	73.1%	63.3%	68.4%	62.6%	61.4%	67.9%	78.2%	87.3%	80.6%
2000	83.8%	80.2%	78.9%	68.8%	57.9%	57.4%	68.8%	64.6%	75.4%	80.7%	83.4%	85.3%
2001	87.0%	80.1%	79.9%	72.4%	63.7%	70.1%	63.6%	66.1%	83.4%	83.3%	89.1%	90.3%
2002	84.8%	77.1%	75.6%	71.1%	72.0%	70.6%	68.2%	72.5%	73.1%	78.5%	88.1%	87.4%
2003	86.2%	80.3%	73.9%	58.1%	59.0%	56.1%	61.3%	54.4%	68.0%	78.8%	83.1%	80.4%
2004	85.1%	74.9%	69.6%	65.2%	69.6%	68.0%	66.5%	63.8%	67.4%	75.3%	83.7%	83.2%
2005	78.7%	79.3%	72.6%	65.2%	73.1%	66.9%	75.8%	78.5%	80.3%	82.0%	90.7%	93.0%
2006	89.0%	88.2%	81.6%	74.7%	66.0%	67.4%	56.5%	74.7%	68.0%	81.2%	85.4%	86.2%
2007	80.0%	86.1%	75.4%	59.1%	67.6%	70.9%	72.4%	75.7%	80.9%	86.5%	91.3%	88.3%
2008	85.2%	80.4%	77.9%	79.4%	63.3%	60.9%	67.0%	68.6%	78.7%	85.0%	86.3%	88.6%
2009	89.4%	86.4%	80.3%	64.2%	66.4%	71.7%	70.3%	65.2%	73.6%	83.9%	80.7%	88.4%
2010	87.7%	81.3%	73.5%	65.0%	77.1%	61.0%	59.2%	75.2%	77.8%	78.0%	86.8%	88.5%
2011	86.3%	76.7%	72.6%	66.1%	60.4%	61.4%	72.4%	75.2%	77.7%	82.8%	89.1%	81.8%
2012	84.3%	81.8%	75.6%	64.8%	62.5%	68.7%	70.6%	64.7%	67.4%	81.8%	90.0%	87.9%
2013	87.5%	90.2%	78.6%	71.8%	77.1%	72.6%	68.0%	69.9%	80.7%	81.5%	89.0%	87.3%
2014	88.2%	76.6%	76.7%	73.5%	74.8%	68.5%	69.5%	73.3%	83.5%	87.0%	88.8%	85.3%
2015	84.8%	82.4%	74.6%	67.0%	64.1%	64.5%	63.9%	65.5%	79.1%	84.5%	83.1%	82.4%
2016	85.3%	80.3%	80.5%	70.3%	63.4%	70.4%	68.0%	70.1%	70.3%	88.4%	87.0%	87.8%
2017	86.3%	81.4%	75.4%	70.8%	67.2%	65.6%	71.7%	72.3%	78.8%	83.8%	87.8%	84.3%
2018	84.5%	76.7%	74.2%	66.6%	58.4%	60.3%	54.5%	55.2%	63.5%	74.1%	84.5%	87.2%
2019	84.7%	75.4%	74.5%	57.9%	66.1%	58.3%	63.3%	64.0%	70.8%	81.9%	88.1%	84.2%
2020	83.4%	76.1%	68.1%	53.0%	62.5%	65.4%	62.3%	62.7%	71.4%	84.8%	85.5%	86.3%
2021	87.7%	83.7%	72.9%	67.6%	69.9%	62.5%	71.5%	73.5%	77.9%	78.0%	87.1%	88.5%
2022	85.6%	75.5%	62.8%	65.3%	59.5%	59.0%	58.0%	65.3%	75.7%	82.6%	86.3%	88.2%
2023	82.8%	81.1%	76.2%	71.6%	59.0%	59.4%	59.7%	74.0%	72.2%	81.0%	82.6%	85.1%
2024	80.8%	81.8%	75.1%	67.1%	64.5%	67.1%	66.7%	64.0%	69.6%	84.6%	87.5%	87.2%
2025	81.4%	79.9%	71.4%	66.3%	63.0%	60.4%	67.7%	67.7%	73.5%	82.7%	86.8%	89.9%
2026	83.4%	84.5%	72.3%	64.3%	68.1%	60.9%	64.2%	M	M	M	M	M