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 (USW00014910) 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	0.00	0.00	0.00	0.00	0.00	0.00
2003	0.00	0.00	0.00	0.00	0.00	2.83	0.00	0.00	0.00	0.00	0.00	0.00
2004	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M	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	0.00	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	0.00	0.00
2008	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2009	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2010	0.00	0.00	0.00	0.00	0.00	0.00	0.05	0.15	0.12	0.16	0.03	0.04
2011	0.00	0.02	0.07	0.08	0.20	0.06	0.16	0.11	0.02	0.03	0.00	0.00
2012	0.00	0.02	0.01	0.02	0.02	0.00	0.00	0.00	0.00	0.04	0.03	0.01
2013	0.07	0.02	0.10	0.05	0.07	0.02	0.02	0.05	0.05	0.15	0.00	0.02
2014	0.00	0.00	0.00	0.00	0.00	0.17	0.10	0.10	0.05	0.02	0.16	0.04
2015	0.11	0.03	0.03	0.04	0.17	0.04	0.10	0.13	0.01	0.07	0.05	0.03
2016	0.00	0.03	0.04	0.04	0.08	0.07	0.17	0.14	0.06	0.08	0.10	0.04
2017	0.02	0.01	0.00	0.11	0.17	0.10	0.11	0.24	0.11	0.13	0.01	0.02
2018	0.00	0.03	0.02	0.01	0.04	0.15	0.16	0.14	0.05	0.09	0.02	0.04
2019	0.01	0.02	0.06	0.06	0.15	0.08	0.12	0.06	0.18	0.32	0.01	0.03
2020	0.01	0.00	0.02	0.02	0.01	0.09	0.13	0.06	0.00	0.02	0.00	0.00
2021	0.00	0.00	0.00	0.00	0.00	0.00	0.01	0.03	0.03	0.03	0.00	0.00
2022	0.00	0.00	0.00	0.00	0.01	M	M	0.00	0.00	0.00	0.00	0.00
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	0.38	0.43	1.00	2.04	3.05	3.72	4.00	3.46	2.63	2.21	0.83	0.36

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	8.5	9.5	10.0	9.1	10.1	10.7
2003	11.5	11.2	10.7	11.0	10.5	8.0	9.2	7.8	10.5	10.2	12.2	11.3
2004	10.6	9.8	12.0	11.3	11.5	8.9	7.4	8.2	M	M	9.1	11.5
2005	9.3	9.4	9.4	10.9	11.9	8.2	M	7.5	9.8	9.6	11.4	8.7
2006	8.4	13.8	10.3	11.5	6.0	0.0	5.8	6.7	9.5	13.2	9.5	10.3
2007	10.5	10.1	11.1	10.6	13.2	10.5	8.6	8.3	11.7	10.7	11.7	8.5
2008	9.3	9.3	10.7	11.9	11.1	9.4	8.9	8.8	9.7	9.8	11.0	11.2
2009	10.4	10.4	10.6	11.0	10.0	11.1	M	M	6.6	M	7.6	9.4
2010	8.8	7.5	9.6	10.3	10.5	8.6	8.3	9.6	9.1	9.7	10.2	8.7
2011	8.4	10.9	9.1	11.4	11.4	9.3	6.8	6.1	7.5	9.8	10.3	10.3
2012	11.0	9.5	10.9	11.7	10.2	8.6	7.5	7.0	8.7	9.7	10.5	8.5
2013	10.9	8.2	9.9	10.4	11.0	8.3	9.0	6.9	8.4	9.9	10.6	8.7
2014	12.2	11.6	10.8	11.7	11.3	9.8	9.3	6.7	9.1	10.5	12.1	10.7
2015	10.6	10.5	10.8	12.1	10.4	8.9	9.3	8.8	9.1	10.7	10.6	9.3
2016	9.2	10.9	9.6	11.3	9.7	9.9	8.1	7.5	9.6	10.2	9.3	12.0
2017	9.7	10.6	11.0	9.8	10.0	6.8	5.5	6.7	9.5	11.0	8.5	10.5
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	8.6	M	M	6.8	M	M	M	M
2020	9.4	9.6	10.4	9.7	9.8	10.9	7.5	7.9	7.9	10.2	11.0	9.2
2021	8.6	8.7	11.2	10.6	9.4	7.7	7.0	8.9	9.0	8.8	10.1	9.1
2022	10.2	11.6	10.7	13.9	9.9	M	M	0.0	6.6	9.8	11.3	10.5
2023	7.9	10.1	10.1	10.9	10.3	7.8	7.2	8.3	8.0	9.7	10.0	9.2
2024	9.3	10.2	11.3	12.3	10.5	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	6.7	11.1	10.2	10.8
2026	10.2	10.3	10.4	11.3	11.2	9.9	7.5	7.6	8.8	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	M	82.10	76.28	70.89	43.51	36.60	29.30
2003	18.78	20.78	36.28	54.55	65.06	73.68	80.17	81.58	67.49	58.38	33.23	27.36
2004	15.45	25.35	39.50	56.52	61.67	70.66	77.07	70.89	M	M	40.30	26.45
2005	17.28	29.44	37.84	58.56	61.17	73.39	71.87	67.56	62.66	59.36	54.66	38.75
2006	27.62	18.18	36.93	59.87	51.91	M	88.25	71.99	60.09	48.55	38.59	32.32
2007	23.45	17.17	40.62	50.43	70.92	78.31	83.19	76.04	71.55	58.11	37.26	18.88
2008	17.09	19.41	32.02	49.25	63.34	72.78	80.09	79.04	69.53	54.88	38.37	17.54
2009	13.07	24.45	34.57	52.27	64.14	65.63	69.84	67.67	69.25	39.87	43.30	18.28
2010	17.16	23.43	44.57	62.13	66.55	76.18	84.99	83.84	71.14	67.92	54.72	25.26
2011	14.03	21.87	31.27	50.47	63.56	73.77	83.73	78.30	69.31	59.84	41.67	32.30
2012	28.48	31.04	52.06	56.34	69.33	78.55	85.97	79.25	71.41	50.96	39.30	25.58
2013	20.56	20.40	29.30	43.00	64.32	62.74	78.07	81.11	73.72	50.47	36.44	12.12
2014	14.24	12.10	31.78	47.13	54.66	73.52	75.41	76.08	66.16	54.85	27.42	25.43
2015	19.30	15.38	40.05	56.07	63.69	73.39	80.19	75.31	73.66	57.12	43.66	29.38
2016	19.54	28.08	44.90	50.73	68.03	75.78	78.74	78.06	69.00	56.72	47.18	21.58
2017	21.94	33.97	38.98	54.37	64.67	-128.56	-111.78	73.41	71.46	55.48	-105.21	21.65
2018	-62.02	19.64	35.61	43.77	75.14	77.61	79.33	77.53	68.40	47.90	28.98	28.81
2019	14.88	13.43	30.75	50.90	61.84	76.24	79.82	74.73	69.90	48.51	32.41	24.65
2020	21.12	25.28	39.04	50.29	63.92	79.97	81.92	77.99	64.85	45.89	42.16	28.47
2021	24.70	12.89	43.67	50.73	66.11	84.67	83.90	80.88	74.41	59.99	40.49	26.14
2022	15.27	18.43	33.26	42.11	64.50	M	M	M	71.34	58.74	36.30	18.85
2023	21.48	25.67	29.53	46.33	73.01	80.98	79.21	80.03	74.84	55.49	42.63	36.23
2024	21.13	37.90	41.02	54.87	67.61	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	75.82	59.51	42.40	25.24
2026	17.73	30.67	43.10	51.51	61.97	74.05	84.38	79.46	74.46	M	M	M
NCEI Climatology	19.00	23.88	36.59	52.39	66.29	75.70	80.20	78.30	69.88	54.50	37.61	24.19

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	64.47	59.63	53.35	32.34	22.85	15.68
2003	4.64	3.32	17.57	35.25	45.84	55.96	62.46	62.79	49.92	38.23	21.42	15.77
2004	-0.32	12.39	22.93	34.74	43.75	53.17	59.82	53.32	M	M	26.29	11.24
2005	2.09	14.05	18.76	39.74	45.29	60.32	71.84	66.89	62.25	59.36	54.49	33.41
2006	24.25	13.78	24.23	40.73	45.95	M	67.86	60.49	49.61	34.98	23.05	18.82
2007	8.81	2.17	26.42	33.10	51.24	59.30	63.45	59.52	51.62	42.53	23.67	5.95
2008	-0.19	1.83	16.24	31.53	43.68	55.53	62.46	60.17	50.74	39.30	25.95	-1.71
2009	-5.15	7.62	20.82	33.24	52.53	62.78	68.29	65.33	61.68	39.00	33.19	7.33
2010	3.51	7.40	29.16	40.88	48.09	61.27	70.32	70.21	59.97	56.20	47.62	14.42
2011	-0.53	4.63	15.41	34.32	46.82	57.15	65.93	61.58	49.90	43.19	27.50	18.22
2012	12.42	15.28	33.42	38.52	50.37	59.01	67.06	60.97	49.14	37.88	25.22	11.11
2013	2.63	3.88	12.59	27.77	48.16	48.94	62.37	61.25	55.23	37.78	22.56	-3.32
2014	-6.73	-4.80	15.14	29.54	40.94	58.23	58.83	60.39	50.20	38.67	14.93	15.56
2015	6.06	-1.71	23.26	35.32	45.21	55.72	62.85	58.31	55.71	40.63	29.50	18.62
2016	6.90	14.26	29.45	33.49	48.04	57.99	57.91	61.11	53.61	41.40	34.00	8.79
2017	8.80	17.12	20.89	37.75	23.62	-191.36	-287.84	-9.64	30.75	-199.63	-387.50	-77.56
2018	-179.07	-45.19	-42.86	-40.66	52.94	60.79	62.55	60.99	52.56	34.28	16.62	13.76
2019	-1.51	-2.94	15.18	34.90	43.30	57.34	63.19	58.56	53.60	35.78	21.90	10.60
2020	7.13	6.32	23.47	31.08	46.44	60.45	64.05	61.19	47.53	32.83	26.11	12.97
2021	11.33	-0.18	27.20	33.21	45.81	63.52	63.96	61.61	54.12	44.48	25.95	9.34
2022	-5.38	-4.05	19.17	28.65	45.83	M	M	M	52.95	39.17	23.23	6.03
2023	7.69	5.83	13.45	30.37	50.82	60.99	60.52	61.78	56.24	40.97	25.56	24.58
2024	9.71	20.66	22.40	36.97	48.55	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	58.00	44.88	27.37	5.45
2026	1.63	15.68	23.80	33.60	42.24	57.58	66.71	61.06	58.31	M	M	M
NCEI Climatology	2.30	6.20	19.39	32.71	45.50	56.40	60.90	58.69	50.10	37.00	23.00	9.61

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	M	73.29	67.95	62.12	37.93	29.73	22.49
2003	11.71	12.05	26.92	44.90	55.45	64.82	71.31	72.18	58.70	48.30	27.32	21.57
2004	7.56	18.87	31.21	45.63	52.71	61.92	68.44	62.11	M	M	33.30	18.84
2005	9.69	21.74	28.30	49.15	53.23	66.86	71.86	67.23	62.46	59.36	54.57	36.08
2006	25.93	15.98	30.58	50.30	48.93	M	78.06	66.24	54.85	41.77	30.82	25.57
2007	16.13	9.67	33.52	41.76	61.08	68.80	73.32	67.78	61.59	50.32	30.46	12.41
2008	8.45	10.62	24.13	40.39	53.51	64.15	71.28	69.61	60.13	47.09	32.16	7.91
2009	3.96	16.04	27.70	42.75	58.33	64.21	69.07	66.50	65.47	39.43	38.24	12.81
2010	10.33	15.41	36.87	51.51	57.32	68.72	77.66	77.02	65.55	62.06	51.17	19.84
2011	6.75	13.25	23.34	42.39	55.19	65.46	74.83	69.94	59.61	51.51	34.59	25.26
2012	20.45	23.16	42.74	47.43	59.85	68.78	76.51	70.11	60.28	44.42	32.26	18.35
2013	11.60	12.14	20.94	35.39	56.24	55.84	70.22	71.18	64.48	44.12	29.50	4.40
2014	3.75	3.65	23.46	38.33	47.80	65.88	67.12	68.24	58.18	46.76	21.17	20.49
2015	12.68	6.84	31.65	45.69	54.45	64.55	71.52	66.81	64.68	48.88	36.58	24.00
2016	13.22	21.17	37.17	42.11	58.04	66.89	68.33	69.59	61.30	49.06	40.59	15.18
2017	15.37	25.54	29.94	46.06	44.14	-159.96	-199.81	31.89	51.11	-72.08	-246.35	-27.95
2018	-120.55	-12.78	-3.63	1.55	64.04	69.20	70.94	69.26	60.48	41.09	22.80	21.28
2019	6.68	5.24	22.96	42.90	52.57	66.79	71.50	66.64	61.75	42.14	27.16	17.63
2020	14.12	15.80	31.26	40.68	55.18	70.21	72.99	69.59	56.19	39.36	34.14	20.72
2021	18.01	6.36	35.43	41.97	55.96	74.10	73.93	71.25	64.27	52.24	33.22	17.74
2022	4.94	7.19	26.22	35.38	55.16	M	M	M	62.15	48.95	29.76	12.44
2023	14.59	15.75	21.49	38.35	61.91	70.99	69.86	70.90	65.54	48.23	34.09	30.40
2024	15.42	29.28	31.71	45.92	58.08	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	66.91	52.20	34.89	15.34
2026	9.68	23.18	33.45	42.55	52.10	65.81	75.54	70.26	66.38	M	M	M
NCEI Climatology	10.65	15.04	27.99	42.55	55.90	66.05	70.55	68.50	59.99	45.75	30.30	16.90

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	76.3%	78.6%	72.0%	79.3%	78.4%	81.8%
2003	80.3%	74.8%	75.5%	61.0%	60.1%	68.1%	68.9%	65.8%	65.4%	63.5%	76.3%	82.1%
2004	74.2%	79.9%	73.7%	52.3%	63.0%	63.0%	68.9%	70.9%	M	M	71.0%	75.4%
2005	76.3%	75.6%	66.0%	58.9%	67.8%	73.5%	M	11.6%	58.5%	51.6%	35.2%	55.5%
2006	90.1%	64.7%	77.1%	61.2%	80.1%	M	67.0%	80.0%	79.8%	72.8%	73.3%	82.2%
2007	82.0%	79.5%	79.9%	63.4%	65.5%	69.8%	69.4%	73.0%	67.6%	71.1%	66.6%	85.8%
2008	78.1%	78.1%	72.7%	62.7%	57.1%	65.2%	65.9%	66.8%	72.9%	70.6%	77.7%	80.1%
2009	78.3%	79.2%	75.8%	61.4%	56.7%	45.9%	M	M	76.1%	M	72.8%	73.2%
2010	72.6%	67.9%	66.9%	46.0%	54.5%	63.3%	63.1%	66.0%	64.8%	59.1%	66.9%	88.0%
2011	85.2%	81.7%	80.4%	73.8%	69.4%	75.1%	75.8%	77.2%	72.5%	71.5%	75.1%	78.8%
2012	80.8%	80.7%	77.6%	63.7%	66.7%	66.3%	72.5%	67.1%	56.0%	71.1%	75.6%	80.6%
2013	77.8%	77.1%	77.5%	71.8%	69.9%	74.7%	68.6%	68.1%	73.5%	75.6%	73.0%	76.0%
2014	71.3%	69.8%	70.9%	63.8%	66.5%	71.2%	68.7%	76.7%	75.7%	66.5%	74.8%	84.7%
2015	79.5%	71.0%	68.6%	51.7%	67.6%	67.9%	73.8%	77.6%	73.9%	70.2%	81.4%	91.2%
2016	84.2%	78.4%	76.0%	66.1%	53.2%	36.7%	51.9%	75.7%	75.6%	75.3%	77.8%	80.4%
2017	82.5%	75.6%	66.0%	65.8%	62.0%	74.1%	80.8%	78.0%	76.4%	67.7%	83.0%	77.1%
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	73.5%	M	M	66.2%	M	M	M	M
2020	82.3%	74.9%	76.4%	61.3%	60.0%	62.3%	72.5%	75.3%	70.1%	65.8%	73.1%	80.4%
2021	82.6%	75.7%	67.9%	61.9%	54.4%	52.7%	64.6%	67.9%	65.1%	76.0%	72.4%	79.7%
2022	77.4%	73.6%	70.8%	76.0%	69.0%	M	M	M	67.8%	62.8%	76.9%	81.2%
2023	86.1%	77.0%	76.8%	70.0%	55.2%	65.0%	66.2%	71.9%	73.3%	75.4%	71.0%	83.3%
2024	82.9%	74.8%	62.1%	61.6%	61.7%	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	72.5%	68.9%	67.5%	78.1%
2026	73.8%	74.2%	71.7%	64.9%	49.3%	66.7%	72.6%	70.2%	73.3%	M	M	M