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
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	0.82	0.88	2.07	0.59	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	1.26	1.15	8.95	3.82	3.51
2012	2.78	3.33	1.63	2.49	1.40	2.00	1.96	2.04	6.84	3.15	3.74	4.74
2013	0.81	3.76	14.80	1.88	2.85	3.31	2.87	7.60	6.94	2.46	5.95	9.19
2014	13.66	8.18	4.91	4.60	2.88	2.48	2.20	3.61	5.92	3.37	11.76	6.83
2015	7.34	10.20	13.38	6.27	2.01	3.71	0.79	4.27	1.44	7.12	0.44	6.49
2016	2.39	3.25	3.73	3.11	1.99	1.90	2.07	2.91	3.09	6.52	9.37	2.64
2017	4.92	3.35	1.78	1.86	4.03	1.82	1.04	2.52	1.73	1.27	3.54	3.98
2018	2.66	2.23	1.64	3.74	3.20	5.57	0.66	5.01	2.68	6.14	7.08	3.17
2019	2.31	2.49	1.94	4.82	3.58	6.77	2.19	3.20	4.91	3.51	5.41	4.17
2020	4.14	2.53	2.58	1.36	2.97	1.00	1.26	2.36	3.53	2.32	3.24	3.77
2021	2.53	4.31	M	M	M	M	4.31	1.03	7.55	3.71	6.85	3.35
2022	2.03	0.82	4.20	4.28	1.55	4.65	2.60	3.00	5.82	2.03	5.05	5.20
2023	8.46	2.09	2.78	0.57	2.13	4.98	7.27	4.53	2.99	5.76	4.82	3.30
2024	2.96	4.67	7.27	1.58	1.48	2.93	1.19	2.85	1.61	2.70	5.48	3.64
2025	2.75	2.18	2.87	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
2004	M	M	M	M	M	M	M	M	8.5	9.5	13.5	12.3
2005	12.7	8.6	11.2	10.0	8.6	8.9	8.2	8.3	9.8	9.9	10.8	11.8
2006	11.3	10.7	8.6	10.6	7.8	8.6	8.3	8.0	8.3	9.9	9.3	12.5
2007	12.1	10.6	12.4	10.2	9.7	8.3	7.5	7.8	10.0	9.9	11.6	12.2
2008	10.4	10.0	11.0	8.6	8.8	8.0	7.6	7.6	9.0	10.2	10.4	12.3
2009	11.9	10.8	9.6	10.2	9.0	7.4	7.3	7.2	8.7	9.6	9.4	11.7
2010	10.6	9.2	8.7	8.5	9.6	7.8	7.6	6.4	8.3	10.0	9.5	11.6
2011	9.7	10.1	11.2	10.0	9.6	8.2	8.0	7.9	8.0	10.5	10.5	10.6
2012	10.9	9.5	10.2	10.2	8.1	8.1	7.4	7.3	8.7	10.4	10.3	11.7
2013	13.1	10.8	9.4	10.7	10.6	8.0	8.1	8.4	9.4	8.9	12.0	11.2
2014	12.2	9.5	11.1	10.4	8.1	7.9	11.0	8.4	9.8	9.5	11.0	10.1
2015	11.4	11.4	11.3	9.4	10.3	8.7	7.2	8.3	9.4	10.9	10.8	10.3
2016	11.4	11.5	10.4	10.1	8.7	9.9	7.7	8.5	9.2	9.5	8.9	11.9
2017	11.0	11.4	12.1	9.0	9.0	9.4	8.0	7.8	8.8	10.9	11.6	11.2
2018	13.3	10.9	10.5	10.4	10.1	9.6	9.4	8.0	8.4	10.1	13.0	11.1
2019	10.2	13.5	10.3	11.6	8.2	7.9	7.7	7.9	9.4	8.3	12.9	12.4
2020	10.9	10.5	11.2	9.9	11.2	9.5	7.1	9.1	10.2	9.8	11.0	10.8
2021	9.6	11.2	12.7	9.3	9.8	10.1	8.1	8.5	9.3	7.7	10.6	12.0
2022	11.0	6.5	8.0	10.1	8.5	7.8	9.4	7.5	9.0	8.6	13.0	11.1
2023	10.4	10.5	8.8	9.1	10.7	9.0	7.5	8.0	8.0	8.7	10.0	1.1
2024	0.0	8.3	9.9	9.5	8.0	9.5	8.4	8.3	7.9	10.1	12.4	10.4
2025	11.9	13.1	10.8	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	67.10	59.06	51.07	39.18	29.91
2005	23.87	27.26	32.65	46.99	50.89	67.54	71.65	M	43.50	55.53	47.39	34.00
2006	34.95	23.33	30.53	39.10	54.76	64.63	71.34	65.30	59.71	50.20	42.94	33.48
2007	31.18	23.04	33.94	40.21	53.15	64.17	74.14	72.12	66.06	57.66	45.49	29.03
2008	30.14	30.51	31.53	44.78	53.18	65.00	76.74	69.52	64.14	53.42	39.93	29.14
2009	22.58	29.92	32.70	46.13	58.80	65.95	72.03	73.96	64.06	49.76	48.70	31.61
2010	30.69	29.98	37.43	48.81	55.05	64.76	74.63	73.03	66.10	54.22	44.40	39.36
2011	28.43	24.43	32.05	43.76	51.51	54.40	65.28	66.73	66.63	54.57	47.05	37.44
2012	31.30	27.48	37.81	48.53	57.58	63.30	73.36	75.57	66.11	54.97	43.68	36.32
2013	26.00	28.01	33.83	43.72	56.11	65.45	75.56	72.79	65.35	53.99	43.59	29.09
2014	29.07	25.89	28.28	42.59	52.72	63.04	78.65	71.15	65.59	57.22	44.52	37.94
2015	27.19	19.95	28.89	38.28	61.15	61.81	70.59	77.10	70.29	54.62	45.38	38.00
2016	30.12	34.67	33.75	43.01	56.49	65.83	72.61	72.73	66.58	57.07	45.84	33.06
2017	31.07	30.61	31.56	45.49	51.75	68.05	73.67	72.51	67.19	60.92	46.15	31.79
2018	29.54	33.62	34.63	44.51	56.90	62.09	77.73	76.47	66.67	51.36	39.70	30.39
2019	30.70	24.56	34.92	43.87	49.04	64.16	73.24	74.56	62.87	53.40	43.79	34.96
2020	29.79	30.60	33.67	42.78	56.09	69.99	73.57	74.90	68.27	56.15	48.45	41.52
2021	30.80	30.39	39.34	44.52	54.08	72.66	69.71	76.58	67.93	57.40	47.81	37.29
2022	26.40	31.07	36.10	43.95	58.10	66.20	75.73	75.53	66.83	60.52	47.39	38.02
2023	35.61	27.51	32.94	44.32	55.70	64.55	77.16	70.09	68.49	59.24	42.10	39.20
2024	30.45	32.36	40.31	45.37	56.00	67.99	77.61	75.90	67.65	57.11	45.72	35.85
2025	29.09	27.74	40.30	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
2004	M	M	M	M	M	M	M	60.65	57.66	47.98	36.30	26.10
2005	10.90	14.34	20.49	31.64	37.99	48.71	57.46	M	43.50	46.52	34.38	24.45
2006	24.67	18.05	25.78	38.14	49.18	59.27	68.40	61.56	58.13	49.58	40.93	30.87
2007	17.58	10.50	21.01	28.99	37.95	49.08	59.90	56.73	51.77	45.15	32.93	19.84
2008	17.99	16.08	16.67	32.15	40.29	52.07	61.99	59.04	51.84	42.14	38.25	27.17
2009	8.40	15.93	19.63	32.06	40.02	52.98	57.59	60.53	49.23	41.14	35.30	23.55
2010	22.76	23.47	26.84	34.33	40.51	49.52	60.98	57.75	53.34	43.25	35.10	32.45
2011	19.70	18.78	27.26	34.88	42.94	49.92	59.67	60.06	52.15	44.12	34.63	25.02
2012	16.56	16.20	24.06	32.70	41.57	49.02	57.57	61.04	53.41	45.29	33.45	26.19
2013	12.79	15.41	24.78	30.70	40.85	51.56	59.06	58.16	52.15	41.45	31.24	17.31
2014	12.61	13.41	14.13	30.62	37.99	48.79	62.44	58.77	50.89	45.26	31.45	26.18
2015	10.31	3.08	14.28	26.00	41.65	47.31	56.54	62.66	53.68	40.32	34.57	29.56
2016	19.50	18.88	20.90	28.40	41.21	49.98	58.24	58.48	53.74	43.40	37.03	21.93
2017	19.55	17.44	20.30	32.22	40.80	51.42	57.72	57.46	53.76	45.43	31.48	19.78
2018	14.78	14.30	25.58	30.60	37.45	45.93	61.10	61.75	49.90	38.84	30.13	19.35
2019	12.10	11.37	21.02	31.18	36.44	49.67	57.93	58.32	49.00	42.02	28.36	23.87
2020	17.76	15.95	22.65	30.41	39.20	52.59	58.30	58.87	52.21	42.31	34.90	31.07
2021	24.50	19.51	22.86	33.55	38.54	53.56	56.33	60.95	53.78	45.38	35.51	24.79
2022	13.90	16.87	23.62	31.55	39.94	51.84	60.14	61.12	52.24	46.23	35.76	28.60
2023	24.09	12.01	23.53	31.07	38.69	50.88	63.99	58.10	55.76	46.86	31.41	29.24
2024	20.67	21.70	28.45	32.16	41.43	52.50	62.08	60.60	53.32	44.14	37.54	24.17
2025	18.21	13.61	25.42	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
2004	M	M	M	M	M	M	M	63.88	58.36	49.53	37.74	28.01
2005	17.39	20.80	26.57	39.31	44.44	58.13	64.55	M	43.50	51.03	40.89	29.22
2006	29.81	20.69	28.15	38.62	51.97	61.95	69.87	63.43	58.92	49.89	41.93	32.17
2007	24.38	16.77	27.47	34.60	45.55	56.62	67.02	64.42	58.92	51.40	39.21	24.43
2008	24.07	23.29	24.10	38.47	46.73	58.53	69.37	64.28	57.99	47.78	39.09	28.16
2009	15.49	22.93	26.16	39.09	49.41	59.47	64.81	67.25	56.65	45.45	42.00	27.58
2010	26.73	26.72	32.14	41.57	47.78	57.14	67.80	65.39	59.72	48.74	39.75	35.90
2011	24.06	21.61	29.66	39.32	47.23	52.16	62.48	63.39	59.39	49.34	40.84	31.23
2012	23.93	21.84	30.93	40.61	49.58	56.16	65.47	68.30	59.76	50.13	38.57	31.25
2013	19.40	21.71	29.31	37.21	48.48	58.50	67.31	65.47	58.75	47.72	37.42	23.20
2014	20.84	19.65	21.21	36.60	45.36	55.91	70.55	64.96	58.24	51.24	37.99	32.06
2015	18.75	11.52	21.58	32.14	51.40	54.56	63.57	69.88	61.98	47.47	39.97	33.78
2016	24.81	26.77	27.33	35.71	48.85	57.91	65.42	65.60	60.16	50.24	41.44	27.49
2017	25.31	24.02	25.93	38.86	46.28	59.74	65.70	64.99	60.47	53.17	38.81	25.79
2018	22.16	23.96	30.10	37.56	47.17	54.01	69.41	69.11	58.29	45.10	34.92	24.87
2019	21.40	17.97	27.97	37.52	42.74	56.91	65.58	66.44	55.94	47.71	36.07	29.42
2020	23.77	23.27	28.16	36.59	47.65	61.29	65.94	66.88	60.24	49.23	41.68	36.29
2021	27.65	24.95	31.10	39.03	46.31	63.11	63.02	68.77	60.86	51.39	41.66	31.04
2022	20.15	23.97	29.86	37.75	49.02	59.02	67.93	68.32	59.54	53.37	41.58	33.31
2023	29.85	19.76	28.24	37.70	47.20	57.72	70.58	64.10	62.12	53.05	36.76	34.22
2024	25.56	27.03	34.38	38.76	48.71	60.25	69.85	68.25	60.49	50.62	41.63	30.01
2025	23.65	20.67	32.86	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
2004	M	M	M	M	M	M	M	M	82.8%	87.0%	79.6%	81.8%
2005	81.7%	80.4%	81.0%	73.3%	81.0%	74.9%	80.5%	76.4%	77.9%	82.6%	78.4%	81.9%
2006	82.0%	78.0%	77.7%	78.6%	72.6%	82.0%	77.7%	75.5%	78.9%	79.3%	80.8%	79.9%
2007	78.3%	74.1%	77.6%	75.5%	76.1%	81.1%	78.9%	78.5%	75.1%	75.5%	78.6%	82.0%
2008	81.9%	80.5%	76.0%	74.6%	79.8%	82.4%	77.8%	85.3%	80.3%	78.7%	81.2%	80.8%
2009	78.2%	83.3%	80.3%	76.7%	73.8%	77.1%	80.5%	79.0%	77.9%	77.1%	78.4%	84.9%
2010	84.8%	87.4%	79.1%	80.2%	76.0%	79.7%	79.6%	77.8%	80.9%	77.7%	81.1%	85.0%
2011	85.0%	83.4%	76.1%	77.0%	84.1%	84.9%	80.4%	82.5%	79.2%	81.4%	75.9%	79.8%
2012	80.7%	82.8%	76.9%	77.4%	76.2%	81.8%	74.0%	78.4%	80.2%	80.5%	78.1%	83.4%
2013	78.1%	81.1%	83.3%	77.8%	78.2%	78.2%	75.5%	77.1%	81.8%	76.7%	77.6%	86.0%
2014	80.0%	77.9%	74.3%	79.3%	78.5%	79.6%	74.6%	80.9%	75.7%	82.0%	80.9%	82.2%
2015	81.0%	80.8%	76.3%	77.6%	67.8%	76.7%	79.8%	79.5%	77.5%	75.6%	78.4%	83.4%
2016	78.2%	79.6%	76.3%	75.2%	77.5%	75.5%	76.9%	77.9%	78.2%	78.9%	83.8%	82.9%
2017	80.3%	80.1%	78.4%	78.3%	82.3%	75.8%	73.5%	76.9%	79.7%	74.3%	74.2%	79.6%
2018	80.4%	82.0%	83.5%	73.9%	70.1%	73.2%	74.1%	77.5%	76.0%	78.5%	81.2%	81.4%
2019	79.8%	76.1%	71.4%	78.0%	79.2%	76.9%	77.1%	76.2%	79.5%	80.1%	77.0%	76.2%
2020	80.5%	75.6%	77.3%	68.3%	70.3%	73.7%	82.5%	73.6%	75.0%	75.1%	75.7%	83.1%
2021	79.9%	76.7%	68.7%	84.3%	75.8%	75.5%	84.4%	81.8%	84.9%	84.3%	79.8%	77.6%
2022	79.1%	77.9%	77.7%	82.7%	73.3%	80.8%	74.7%	82.2%	78.4%	79.3%	76.7%	81.7%
2023	85.0%	76.3%	85.5%	77.5%	72.0%	84.6%	86.6%	85.1%	87.7%	83.4%	77.2%	79.1%
2024	76.2%	80.4%	82.2%	77.3%	82.2%	81.2%	79.1%	78.1%	77.8%	75.7%	85.6%	82.8%
2025	81.8%	75.3%	78.6%	M	M	M	M	M	M	M	M	M