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 (USW00014995) 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	0.00	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	M
2007	M	M	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	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	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	M	M	M	M	M	M	0.00
2017	M	M	M	M	M	M	M	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
NCEI Climatology	0.86	0.94	1.58	2.85	4.06	4.45	4.60	4.45	3.67	3.17	1.81	1.37

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	0.1	0.5	1.0	0.7	2.2
2005	1.4	1.4	1.1	2.7	2.5	2.0	1.5	0.9	1.5	1.0	1.8	0.9
2006	2.2	0.3	0.5	2.1	2.6	0.7	0.5	1.4	1.1	2.1	1.0	0.5
2007	0.7	1.3	1.2	1.3	2.8	1.0	0.8	1.4	3.3	1.5	1.8	1.6
2008	1.4	0.5	1.7	1.6	1.8	2.7	2.5	2.2	1.4	1.4	2.0	2.2
2009	1.3	1.6	2.5	2.6	2.3	2.0	1.7	1.7	0.6	2.1	1.0	0.9
2010	1.1	0.7	1.4	1.9	1.4	1.9	0.8	1.1	1.7	1.1	M	2.0
2011	0.2	0.3	0.6	1.0	1.2	2.2	1.0	0.6	1.9	3.7	3.2	3.6
2012	3.0	2.3	4.1	3.5	4.4	2.9	1.2	2.3	M	3.0	1.0	1.3
2013	0.8	0.8	1.3	2.4	2.7	3.0	2.5	1.5	1.8	2.5	1.7	1.3
2014	3.1	3.6	4.2	3.7	3.3	3.5	1.5	1.9	1.7	2.9	2.8	0.1
2015	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2016	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2017	0.0	0.0	M	M	M	0.0	0.0	0.0	M	M	0.0	0.0
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	3.9	3.2	4.2	2.2	2.9	2.1	2.3	M	M	M	M
NCEI Climatology	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
2004	M	M	M	M	M	M	M	70.42	73.53	56.78	43.25	26.77
2005	20.68	32.17	39.61	59.81	62.31	79.81	83.44	78.90	75.29	52.96	42.29	22.25
2006	32.87	26.27	41.17	62.05	67.83	78.22	86.71	78.03	66.21	52.18	42.25	33.36
2007	24.56	19.78	44.79	55.78	71.79	78.83	83.65	77.95	71.02	60.28	38.49	21.75
2008	20.24	19.36	33.94	53.53	63.40	74.20	80.60	78.12	68.00	56.87	39.04	20.50
2009	15.31	28.06	37.64	55.57	67.24	72.22	75.79	75.18	73.90	47.11	48.57	22.70
2010	19.95	30.04	50.46	62.48	82.58	73.81	82.00	81.67	65.19	67.50	M	28.28
2011	15.74	26.67	31.62	50.58	65.99	74.51	85.18	79.58	68.88	63.84	44.11	31.87
2012	27.88	33.63	54.66	57.73	69.25	77.86	81.95	72.30	M	50.66	39.32	25.97
2013	17.23	22.84	33.34	46.18	65.78	74.31	80.72	82.46	73.74	51.83	38.14	15.64
2014	13.93	16.01	31.48	48.24	66.38	76.68	78.47	78.28	69.30	55.19	29.10	28.22
2015	23.33	17.20	43.97	57.63	67.38	76.89	82.30	77.74	75.48	57.86	47.65	33.79
2016	23.12	30.15	46.91	54.15	70.67	77.65	82.03	79.59	73.96	56.15	50.09	24.73
2017	24.97	25.68	M	M	M	77.45	85.64	74.12	M	M	41.06	18.62
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	75.74	M	71.37	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	21.42	31.87	48.29	70.85	79.65	64.07	74.89	M	47.43	39.27	32.90
2024	20.90	35.79	40.18	52.08	66.87	73.65	79.96	75.07	75.78	60.71	38.23	23.99
2025	16.96	19.64	42.90	51.55	67.12	73.31	79.93	77.65	M	M	M	M
NCEI Climatology	22.20	28.40	41.10	55.50	69.10	78.11	82.40	80.40	72.29	57.49	40.70	27.19

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	50.88	55.04	37.90	24.79	8.58
2005	2.62	14.09	16.61	36.04	44.73	59.77	62.16	57.71	56.94	31.92	24.01	8.65
2006	19.16	4.67	23.16	36.95	48.81	53.66	61.61	58.24	45.35	31.40	24.84	19.60
2007	7.74	-0.05	25.41	30.56	48.71	58.38	60.73	57.23	50.39	41.95	23.03	5.49
2008	2.46	1.63	13.91	32.98	39.10	52.52	56.68	54.92	49.37	35.65	25.22	-2.56
2009	-7.25	7.08	18.56	31.54	43.71	51.47	54.32	53.74	51.79	33.23	29.13	6.61
2010	0.33	4.74	26.97	35.43	54.04	54.90	61.21	62.33	44.86	38.25	M	19.23
2011	-0.10	6.57	15.07	32.53	43.66	53.10	63.92	57.76	46.61	42.39	24.45	15.25
2012	10.19	18.01	35.29	34.39	48.96	58.85	63.94	54.83	M	36.44	30.46	15.29
2013	9.40	12.28	16.83	28.47	42.75	54.55	59.91	56.94	49.95	38.95	19.86	-1.53
2014	-7.93	-5.39	13.33	28.96	44.33	55.60	57.61	58.36	49.50	38.31	15.74	17.26
2015	7.68	-3.52	20.47	33.30	43.30	53.86	59.47	56.71	56.88	38.74	30.46	23.97
2016	6.68	12.18	28.01	34.81	43.73	55.18	59.66	58.37	53.18	38.01	31.26	11.65
2017	9.91	5.57	M	M	M	58.40	67.64	56.30	M	M	22.47	10.40
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	65.21	M	58.01	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	0.46	10.67	35.68	41.68	51.97	40.59	48.82	M	31.06	18.68	20.90
2024	9.06	12.38	17.18	29.30	40.19	48.73	55.04	53.05	49.06	34.77	24.35	10.26
2025	-4.12	-3.09	17.90	27.31	39.11	51.50	55.60	56.01	M	M	M	M
NCEI Climatology	1.21	5.20	17.80	30.70	43.50	53.40	58.00	55.81	47.30	35.10	22.30	9.50

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	60.65	64.29	47.34	34.02	17.68
2005	11.65	23.13	28.11	47.92	53.52	69.79	72.80	68.30	66.11	42.44	33.15	15.45
2006	26.01	15.47	32.17	49.50	58.32	65.94	74.16	68.14	55.78	41.79	33.55	26.48
2007	16.15	9.86	35.10	43.17	60.25	68.61	72.19	67.59	60.70	51.11	30.76	13.62
2008	11.35	10.49	23.93	43.26	51.25	63.36	68.64	66.52	58.68	46.26	32.13	8.97
2009	4.03	17.57	28.10	43.56	55.47	61.84	65.05	64.46	62.85	40.17	38.85	14.66
2010	10.14	17.39	38.72	48.95	68.31	64.36	71.60	72.00	55.02	52.88	M	23.76
2011	7.82	16.62	23.35	41.55	54.83	63.81	74.55	68.67	57.75	53.11	34.28	23.56
2012	19.04	25.82	44.98	46.06	59.11	68.35	72.95	63.56	M	43.55	34.89	20.63
2013	13.32	17.56	25.09	37.33	54.27	64.43	70.31	69.70	61.85	45.39	29.00	7.06
2014	3.00	5.31	22.41	38.60	55.36	66.14	68.04	68.32	59.40	46.75	22.42	22.74
2015	15.50	6.84	32.22	45.47	55.34	65.38	70.89	67.22	66.18	48.30	39.06	28.88
2016	14.90	21.16	37.46	44.48	57.20	66.42	70.85	68.98	63.57	47.08	40.68	18.19
2017	17.44	15.63	M	M	M	67.92	76.64	65.21	M	M	31.76	14.51
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	70.47	M	64.69	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	10.94	21.27	41.98	56.26	65.81	52.33	61.85	M	39.25	28.97	26.90
2024	14.98	24.08	28.68	40.69	53.53	61.19	67.50	64.06	62.42	47.74	31.29	17.12
2025	6.42	8.27	30.40	39.43	53.11	62.41	67.77	66.83	M	M	M	M
NCEI Climatology	11.70	16.80	29.45	43.10	56.30	65.75	70.20	68.10	59.80	46.30	31.50	18.35

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	73.3%	71.6%	75.5%	74.4%	76.2%
2005	73.0%	75.0%	63.0%	57.1%	65.7%	66.8%	61.9%	65.4%	69.1%	72.9%	76.4%	84.1%
2006	79.1%	64.9%	68.0%	55.6%	62.4%	59.0%	59.5%	72.2%	70.8%	64.7%	72.4%	75.3%
2007	72.9%	68.4%	67.7%	52.2%	56.7%	62.5%	62.2%	68.7%	68.5%	70.4%	64.5%	85.3%
2008	73.8%	71.9%	62.4%	61.0%	57.1%	63.1%	63.5%	67.5%	74.9%	70.4%	73.6%	77.4%
2009	70.6%	69.4%	67.9%	53.1%	51.5%	63.3%	63.0%	70.6%	70.4%	83.1%	74.0%	76.9%
2010	77.1%	66.8%	64.4%	49.3%	48.8%	73.3%	70.1%	72.7%	75.3%	60.9%	M	87.4%
2011	76.1%	69.1%	69.7%	64.5%	60.7%	69.7%	70.7%	72.2%	70.2%	63.4%	63.4%	75.3%
2012	75.3%	71.0%	67.8%	53.8%	64.1%	63.6%	69.5%	62.2%	M	68.8%	70.2%	77.1%
2013	73.8%	77.1%	62.7%	65.4%	63.4%	70.1%	64.3%	65.2%	70.2%	74.2%	67.7%	79.3%
2014	68.9%	68.6%	62.4%	65.7%	60.7%	69.5%	67.6%	76.2%	72.8%	69.0%	75.4%	85.7%
2015	76.4%	68.1%	61.9%	57.0%	71.0%	72.1%	72.4%	77.8%	78.9%	77.0%	77.5%	88.8%
2016	81.9%	74.6%	75.8%	63.5%	62.6%	71.5%	75.2%	78.5%	81.0%	79.2%	81.1%	79.3%
2017	82.0%	68.2%	M	M	M	82.2%	40.8%	80.1%	M	M	90.5%	72.1%
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	66.8%	59.5%	58.9%	57.7%	73.8%	73.4%	73.0%	M	M	M	M