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 (USW00094931) 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
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	M	M	M	0.00	M	15.07	M	M	M	M	M	M
2004	M	M	M	M	M	M	0.00	0.00	0.00	0.00	0.00	0.00
2005	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2006	0.00	0.00	0.00	0.00	M	M	0.00	0.00	0.00	0.00	0.00	0.00
2007	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	0.00
2008	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	0.00	M	0.00
2009	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M	M	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	0.03	0.01	0.02	0.03	M
2013	M	0.01	0.03	0.05	0.03	0.01	0.08	0.03	0.00	0.00	0.00	0.00
2014	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2015	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2016	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.04	0.05	0.00	0.01	0.00
2017	0.00	0.00	0.00	0.01	0.01	0.01	0.00	0.02	0.01	0.00	0.00	0.00
2018	0.00	0.00	0.00	0.00	0.01	0.03	0.04	0.00	0.01	0.01	0.00	0.01
2019	0.00	0.00	0.01	0.00	0.00	0.00	0.00	0.00	0.01	0.00	0.00	0.00
2020	0.00	0.00	0.00	0.00	0.00	0.01	0.00	0.03	0.00	0.00	0.00	0.00
2021	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	0.00	0.00
2022	0.00	0.00	0.00	0.00	0.03	0.02	0.02	0.00	0.00	0.00	0.00	0.01
2023	0.00	0.00	0.00	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
NCEI Climatology	0.51	0.55	0.91	1.61	2.76	4.36	3.85	3.09	3.06	2.35	1.09	0.64

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	4.9	M	M	4.8	6.4	6.7
2003	8.1	6.9	6.8	7.2	6.1	4.9	5.2	5.1	7.0	5.7	7.7	6.4
2004	6.5	5.9	7.3	7.2	7.2	6.8	4.8	5.4	6.8	6.9	6.4	7.1
2005	6.4	6.5	5.7	7.0	6.8	5.5	M	4.0	5.7	5.8	7.1	5.4
2006	6.2	5.8	6.1	7.2	M	M	5.2	5.0	5.3	7.2	7.5	6.1
2007	6.2	7.1	7.0	7.1	7.4	5.8	5.0	5.1	7.0	7.3	M	0.0
2008	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	M	0.0	M	4.2
2009	5.7	6.3	6.9	6.5	7.7	4.6	M	M	M	M	4.9	5.7
2010	6.3	4.9	5.8	6.7	5.3	4.5	5.0	5.9	5.8	6.2	6.5	5.7
2011	5.3	6.7	5.0	6.4	6.4	5.6	4.5	4.4	4.6	6.1	6.2	6.1
2012	6.9	5.8	6.4	6.5	6.0	5.0	3.3	4.4	5.2	5.8	5.7	M
2013	M	5.2	5.6	6.6	6.1	4.0	5.3	4.1	5.1	5.6	6.6	5.3
2014	7.2	6.7	6.4	7.4	5.7	5.2	5.1	3.4	5.1	6.2	6.8	5.9
2015	6.6	6.4	6.7	6.9	5.6	4.0	5.3	5.0	4.7	5.6	5.9	5.3
2016	4.4	6.0	4.0	6.3	5.4	5.0	3.9	3.9	4.8	5.7	5.4	6.6
2017	5.1	6.4	6.2	5.8	5.4	4.7	2.6	3.5	4.6	6.0	6.1	5.6
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	5.4	M	M	4.7	M	M	M	M
2020	M	M	M	M	M	M	5.4	M	M	M	M	M
2021	M	M	M	M	M	M	M	M	M	0.0	M	M
2022	M	M	M	M	M	M	M	M	2.7	M	M	M
2023	M	M	M	6.6	M	M	M	M	M	4.3	M	M
2024	M	M	M	6.8	5.8	M	M	M	M	M	M	M
2025	M	6.9	6.0	5.8	5.4	4.3	3.8	4.0	4.0	5.8	6.0	6.0
2026	5.7	6.0	5.9	6.3	7.1	4.9	4.1	3.8	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
2002	M	M	M	M	M	85.28	79.08	M	M	11.42	31.65	25.83
2003	16.63	18.13	33.49	50.65	66.47	72.62	77.38	76.25	64.57	59.95	31.89	27.26
2004	11.84	28.28	35.79	50.44	57.75	66.45	74.92	68.28	69.58	52.91	40.56	22.20
2005	13.81	28.23	36.03	56.41	59.72	69.87	67.08	67.90	69.07	53.37	36.90	22.70
2006	29.47	21.06	35.41	58.92	M	M	85.20	76.62	62.70	47.69	37.03	30.42
2007	20.25	15.41	39.58	51.53	67.47	76.07	78.83	74.57	67.25	56.91	M	24.50
2008	19.49	27.98	31.62	44.77	59.89	69.91	72.29	75.53	M	47.12	M	12.26
2009	13.01	24.31	34.50	49.70	63.69	67.18	M	M	M	M	43.13	16.95
2010	18.63	27.82	47.48	60.33	65.99	69.66	78.29	77.03	60.25	57.07	37.73	18.18
2011	12.03	23.01	34.28	48.49	62.80	67.61	80.14	77.17	66.14	55.89	38.86	28.16
2012	24.27	29.82	49.84	52.81	66.04	76.06	90.32	77.53	67.18	49.33	37.30	M
2013	M	22.79	31.88	41.91	62.32	62.35	74.89	77.67	69.42	50.73	32.52	10.13
2014	9.58	13.70	28.93	44.65	63.43	73.18	75.39	-42.98	-12.32	49.93	26.43	24.75
2015	18.17	12.23	39.56	52.91	63.36	71.38	80.25	72.38	70.74	54.04	42.45	28.49
2016	20.33	25.50	41.42	49.03	66.89	71.91	77.16	76.04	67.06	54.95	46.51	20.12
2017	21.57	29.69	35.94	52.42	61.56	72.85	-89.59	72.21	68.52	53.79	31.27	15.82
2018	18.44	19.11	36.14	43.48	72.77	69.92	75.30	76.83	64.78	44.22	26.89	26.12
2019	13.41	17.09	32.67	48.72	59.96	73.28	79.71	74.17	65.08	48.05	28.82	23.77
2020	21.00	25.02	39.22	48.32	63.62	75.73	81.01	76.22	63.76	43.40	34.73	25.80
2021	24.40	15.11	44.62	50.65	63.33	73.73	81.47	78.37	66.98	M	36.11	24.67
2022	12.28	14.93	32.56	41.06	63.03	73.50	76.31	74.76	67.56	55.08	35.30	18.59
2023	21.26	25.18	32.80	45.68	69.98	77.11	75.30	76.01	70.47	52.31	37.59	33.57
2024	21.07	33.76	37.57	51.88	64.21	71.46	78.78	75.22	76.09	58.38	38.17	23.66
2025	15.54	18.89	40.23	48.97	69.29	73.98	77.05	74.75	70.41	57.81	38.13	19.46
2026	13.54	28.75	39.17	48.63	56.76	68.03	M	M	M	M	M	M
NCEI Climatology	16.89	22.70	35.39	49.51	63.40	72.20	76.70	74.91	65.70	50.80	34.29	21.40

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	74.84	59.53	M	M	4.67	17.85	12.41
2003	0.44	-1.98	13.96	29.52	42.15	50.21	56.03	59.09	46.68	36.68	21.76	12.68
2004	-4.52	10.80	19.39	29.90	37.89	48.10	53.53	48.71	49.36	37.14	25.00	3.27
2005	-6.24	10.86	14.21	36.11	41.73	53.00	59.60	61.58	47.81	38.21	22.69	12.98
2006	15.85	2.20	20.19	36.21	M	M	61.66	54.72	43.18	31.19	24.23	16.22
2007	5.44	-0.17	20.28	31.18	46.05	53.08	56.40	54.73	49.76	43.67	M	13.46
2008	4.67	21.91	13.47	28.98	37.31	51.01	63.14	53.85	M	34.00	M	-4.86
2009	-7.79	5.61	17.72	30.41	39.83	44.94	M	M	M	M	30.90	5.12
2010	2.42	5.96	27.94	35.51	43.86	51.47	58.83	58.23	43.10	37.50	22.56	3.98
2011	-0.81	4.45	15.87	31.09	41.31	50.48	59.45	57.37	44.58	39.51	23.99	12.49
2012	8.01	13.47	29.62	31.81	45.34	52.98	60.08	53.14	42.79	33.25	22.45	M
2013	M	4.56	12.48	24.15	40.75	41.63	56.70	54.53	46.71	36.08	18.69	-7.59
2014	-10.80	-7.02	6.93	27.16	42.40	52.06	50.96	-48.74	-22.46	35.07	13.68	14.14
2015	1.89	-7.09	19.34	30.57	41.17	48.17	60.10	55.18	52.05	37.10	26.58	19.14
2016	7.41	7.19	24.68	30.22	42.90	51.15	56.86	56.47	49.53	38.54	30.24	6.18
2017	4.74	10.85	15.71	32.08	40.25	51.03	-222.92	-36.67	25.78	-201.17	-287.63	-81.56
2018	-82.57	-47.60	-46.44	-21.24	45.30	50.31	57.31	55.52	47.19	31.99	15.41	9.56
2019	-5.30	-1.81	13.79	30.99	38.24	48.97	57.34	53.19	48.94	34.88	17.80	8.23
2020	5.91	-0.87	19.16	26.59	41.86	53.53	58.48	55.99	43.30	29.63	20.45	10.38
2021	9.44	-2.46	23.67	31.34	37.88	53.31	55.72	56.76	50.72	M	20.24	7.38
2022	-9.11	-8.08	14.47	26.38	42.27	50.24	55.74	56.22	47.12	35.23	21.36	4.90
2023	8.81	3.86	13.01	28.02	43.85	53.49	53.46	54.88	52.23	37.53	22.67	22.22
2024	8.98	16.17	18.52	32.02	42.84	51.00	56.50	56.14	50.69	37.29	26.60	11.13
2025	-3.20	-0.16	19.81	29.34	40.83	50.98	56.86	55.68	49.42	40.27	23.38	1.08
2026	-3.46	8.17	19.26	28.98	34.61	51.11	M	M	M	M	M	M
NCEI Climatology	-4.40	-1.21	12.19	24.80	35.70	45.70	50.29	48.30	40.30	29.70	16.90	3.10

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	80.06	69.31	M	M	8.04	24.75	19.12
2003	8.53	8.08	23.73	40.08	54.31	61.41	66.71	67.67	55.63	48.32	26.83	19.97
2004	3.66	19.54	27.59	40.17	47.82	57.28	64.23	58.50	59.47	45.02	32.78	12.74
2005	3.79	19.54	25.12	46.26	50.73	61.43	63.34	64.74	58.44	45.79	29.79	17.84
2006	22.66	11.63	27.80	47.56	M	M	73.43	65.67	52.94	39.44	30.63	23.32
2007	12.85	7.62	29.93	41.35	56.76	64.57	67.62	64.65	58.51	50.29	M	18.98
2008	12.08	24.94	22.54	36.87	48.60	60.46	67.72	64.69	M	40.56	M	3.70
2009	2.61	14.96	26.11	40.05	51.76	56.06	M	M	M	M	37.01	11.04
2010	10.52	16.89	37.71	47.92	54.92	60.56	68.56	67.63	51.67	47.29	30.14	11.08
2011	5.61	13.73	25.07	39.79	52.06	59.04	69.79	67.27	55.36	47.70	31.43	20.33
2012	16.14	21.64	39.73	42.31	55.69	64.52	75.20	65.33	54.99	41.29	29.88	M
2013	M	13.68	22.18	33.03	51.53	51.99	65.80	66.10	58.06	43.40	25.60	1.27
2014	-0.61	3.34	17.93	35.91	52.91	62.62	63.17	-45.86	-17.39	42.50	20.05	19.45
2015	10.03	2.57	29.45	41.74	52.27	59.77	70.17	63.78	61.39	45.57	34.51	23.82
2016	13.87	16.35	33.05	39.63	54.89	61.53	67.01	66.26	58.30	46.74	38.38	13.15
2017	13.16	20.27	25.82	42.25	50.91	61.94	-156.25	17.77	47.15	-73.69	-128.18	-32.87
2018	-32.07	-14.25	-5.15	11.12	59.04	60.11	66.30	66.17	55.99	38.11	21.15	17.84
2019	4.06	7.64	23.23	39.85	49.10	61.12	68.53	63.68	57.01	41.47	23.31	16.00
2020	13.45	12.08	29.19	37.46	52.74	64.63	69.74	66.10	53.53	36.52	27.59	18.09
2021	16.92	6.32	34.15	40.99	50.60	63.52	68.60	67.57	58.85	M	28.17	16.02
2022	1.59	3.42	23.51	33.72	52.65	61.87	66.03	65.49	57.34	45.15	28.33	11.74
2023	15.03	14.52	22.90	36.85	56.91	65.30	64.38	65.45	61.35	44.92	30.13	27.89
2024	15.02	24.96	28.05	41.95	53.53	61.23	67.64	65.68	63.39	47.83	32.38	17.39
2025	6.17	9.37	30.02	39.16	55.06	62.48	66.96	65.21	59.92	49.04	30.76	10.27
2026	5.04	18.46	29.21	38.81	45.68	59.57	M	M	M	M	M	M
NCEI Climatology	6.25	10.75	23.79	37.15	49.55	58.95	63.50	61.60	53.00	40.25	25.60	12.25

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
2002	M	M	M	M	M	M	64.6%	M	M	73.3%	75.9%	79.9%
2003	74.9%	67.4%	68.4%	57.9%	54.2%	67.8%	71.2%	74.4%	74.9%	66.8%	79.9%	81.2%
2004	77.1%	74.2%	72.0%	58.1%	62.0%	65.4%	70.8%	74.7%	77.8%	76.6%	72.4%	81.8%
2005	76.8%	75.1%	64.2%	56.0%	70.4%	74.2%	M	70.9%	73.0%	79.1%	80.6%	84.5%
2006	81.4%	70.5%	67.4%	55.9%	M	M	64.6%	69.7%	73.6%	71.2%	69.4%	80.6%
2007	76.7%	70.0%	69.5%	61.6%	63.6%	68.3%	69.5%	69.5%	73.6%	82.5%	M	86.2%
2008	75.7%	63.1%	64.1%	62.9%	61.2%	68.3%	66.9%	70.5%	M	67.4%	M	80.3%
2009	76.6%	74.3%	68.5%	59.1%	59.4%	66.0%	M	M	M	M	79.0%	81.1%
2010	79.5%	66.0%	68.3%	53.8%	64.7%	77.6%	73.8%	75.8%	76.6%	68.8%	77.6%	84.3%
2011	82.2%	75.1%	67.9%	66.1%	64.7%	76.7%	72.7%	75.7%	76.0%	73.5%	77.0%	78.9%
2012	79.6%	75.4%	73.9%	61.7%	67.4%	70.5%	71.5%	70.6%	65.0%	76.0%	81.5%	M
2013	M	74.6%	67.8%	65.1%	65.7%	68.2%	75.8%	73.2%	78.3%	77.8%	76.1%	79.5%
2014	53.1%	51.6%	54.0%	61.5%	63.7%	70.6%	70.7%	16.9%	28.0%	74.8%	73.3%	81.2%
2015	73.4%	63.5%	58.4%	49.1%	66.8%	72.0%	69.8%	76.0%	76.6%	76.2%	80.3%	87.0%
2016	80.6%	72.0%	72.8%	61.9%	58.1%	73.9%	75.6%	78.2%	80.6%	75.7%	79.4%	76.1%
2017	77.5%	69.2%	60.8%	62.6%	62.6%	68.8%	80.6%	77.6%	81.6%	70.4%	77.0%	74.3%
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	77.1%	M	M	63.5%	M	M	M	M
2020	M	M	M	M	M	M	73.9%	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	72.7%	M	M	M
2023	M	M	M	63.6%	M	M	M	M	M	79.1%	M	M
2024	M	M	M	43.7%	52.4%	M	M	M	M	M	M	M
2025	M	73.9%	60.1%	67.4%	56.4%	74.0%	80.3%	81.9%	84.4%	75.5%	72.9%	79.7%
2026	76.9%	71.0%	66.3%	67.3%	58.2%	64.1%	M	M	M	M	M	M