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 (USW00014926) 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	21.66	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	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	0.00	0.00	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	0.00	0.00	0.00	0.00	0.00	0.00
2011	0.00	0.00	0.00	0.00	0.00	M	M	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	0.00	0.00	0.00
2013	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.02	0.04	0.00	0.00
2014	0.00	0.00	0.00	0.03	0.01	0.03	0.00	0.00	0.00	0.00	0.00	0.01
2015	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.01	0.00	0.00	0.00
2016	0.00	0.00	0.00	0.00	0.00	0.02	0.05	0.02	0.00	0.00	0.00	0.00
2017	0.00	0.00	0.00	0.00	0.01	0.00	0.01	0.01	0.00	0.01	0.00	0.00
2018	0.00	0.00	0.00	0.00	0.01	0.00	0.04	0.01	0.02	0.01	0.00	0.00
2019	0.00	0.00	0.00	0.01	0.01	0.04	0.04	0.03	0.06	0.02	0.00	0.00
2020	0.00	0.00	0.00	0.00	0.00	0.01	0.03	0.03	0.00	0.01	0.01	0.00
2021	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.01	0.02	0.00	0.00	0.00
2022	0.00	0.00	0.00	0.00	0.03	0.05	0.00	0.02	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	0.67	0.79	1.57	2.61	3.66	3.75	3.60	4.00	3.01	2.61	1.37	0.88

Average Wind Speed [MPH]

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	M	M	M	M	M	M	M	M	M
2004	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2005	0.0	0.0	0.0	0.0	0.0	0.0	M	0.0	0.0	0.0	0.0	0.0
2006	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2007	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2008	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2009	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2010	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	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	0.0	0.0	2.4
2013	4.0	3.6	3.5	5.3	5.0	3.2	0.0	2.8	3.6	4.3	4.4	3.4
2014	4.7	3.9	4.5	5.8	4.0	3.8	3.5	2.0	3.3	3.9	3.7	4.6
2015	4.3	4.5	4.8	5.2	4.2	3.2	5.1	3.4	4.4	3.5	5.1	4.7
2016	3.6	4.6	4.8	5.8	3.7	3.4	3.1	2.8	3.7	4.2	3.6	5.1
2017	3.1	4.7	5.0	4.8	4.0	3.1	2.6	2.2	3.1	4.2	3.7	3.2
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	3.8	M	M	1.3	M	M	M	M
2020	3.6	3.6	4.4	4.1	3.8	3.8	2.5	2.8	2.7	3.6	4.1	3.2
2021	3.0	3.3	4.9	4.3	4.1	2.7	2.4	3.3	2.9	2.9	3.5	3.5
2022	3.9	4.4	4.0	5.4	4.4	3.6	2.7	2.7	2.7	3.5	4.0	3.7
2023	3.7	4.4	4.6	5.6	4.4	3.5	2.8	3.5	3.7	4.1	4.0	3.9
2024	4.0	3.9	4.7	5.1	4.3	3.6	3.6	3.1	3.8	4.8	3.8	3.9
2025	3.9	3.6	4.2	4.4	3.8	3.3	3.0	2.6	2.7	4.2	3.5	3.8
2026	3.3	3.6	4.9	4.8	4.0	3.1	2.9	2.6	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	M	83.82	78.10	72.54	46.14	38.68	31.67
2003	22.01	23.96	38.72	56.06	67.45	76.39	82.20	83.92	70.96	60.33	36.33	29.55
2004	17.19	28.97	41.29	60.61	64.27	74.43	80.34	74.21	74.82	57.22	44.11	27.79
2005	20.60	32.62	40.73	60.81	64.01	77.70	76.64	72.37	75.20	61.81	41.70	23.97
2006	32.41	26.77	40.94	63.30	66.77	79.11	87.22	81.21	67.89	54.08	43.27	33.41
2007	25.32	21.04	44.32	55.81	73.67	80.65	85.41	80.15	73.40	60.60	39.07	20.46
2008	19.91	21.22	35.15	51.48	64.74	74.64	83.81	79.70	70.75	58.09	40.08	19.78
2009	15.43	28.22	38.38	56.41	71.39	76.53	79.35	76.98	76.10	47.50	47.92	21.69
2010	19.28	29.15	49.40	65.51	70.29	76.74	84.73	83.65	67.40	63.01	42.20	20.58
2011	16.24	26.73	36.41	54.62	63.30	M	M	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	M	24.68
2013	23.29	25.13	33.65	45.74	65.65	63.68	M	83.37	75.28	53.46	39.01	16.08
2014	16.28	16.82	32.02	49.55	64.43	74.76	77.25	76.07	68.04	57.64	25.73	28.45
2015	25.38	19.11	43.51	55.78	64.87	76.46	83.09	77.02	74.65	42.82	45.43	31.81
2016	22.58	30.37	46.73	54.07	69.57	77.67	80.80	79.64	70.98	58.72	49.77	24.43
2017	24.40	37.30	40.38	56.63	66.30	78.48	82.21	75.26	73.84	57.55	38.76	22.63
2018	23.38	23.42	38.10	46.03	77.44	78.81	81.35	78.97	70.33	50.45	31.40	30.00
2019	18.08	18.32	35.12	53.03	63.76	76.98	81.84	76.92	71.10	51.07	34.16	27.01
2020	22.88	27.28	41.51	53.95	66.11	81.79	83.00	78.56	67.60	48.19	44.41	29.99
2021	25.33	16.15	45.91	53.07	67.62	82.78	83.18	81.20	73.80	64.66	42.17	29.40
2022	20.14	21.19	35.27	44.92	66.87	78.20	79.49	77.23	71.17	58.07	37.63	20.34
2023	22.22	26.02	31.73	44.41	54.72	73.81	79.70	79.36	73.57	55.83	42.85	36.73
2024	24.28	39.60	43.98	56.50	70.38	75.92	81.49	78.32	78.46	64.58	41.32	28.43
2025	22.56	23.32	47.11	55.74	70.54	76.16	82.07	79.10	75.77	61.53	44.52	25.73
2026	19.20	33.52	45.66	54.52	63.73	75.88	85.87	80.89	M	M	M	M
NCEI Climatology	20.70	25.89	38.50	54.30	67.80	77.20	81.59	79.20	71.01	55.90	39.30	25.80

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	62.20	58.19	51.61	31.95	22.83	16.00
2003	5.42	2.78	18.15	34.30	44.50	54.36	59.58	58.47	47.23	37.68	21.82	16.54
2004	1.54	12.75	24.02	34.39	42.73	52.03	57.65	51.93	53.92	39.73	26.97	12.07
2005	3.21	15.68	19.19	38.38	45.54	57.62	73.65	64.47	52.65	41.35	25.48	13.36
2006	19.65	5.00	25.21	39.18	46.72	59.47	61.27	57.32	47.22	33.76	24.43	18.71
2007	10.27	2.80	26.13	32.88	49.11	56.78	60.27	57.34	50.16	42.67	24.27	4.66
2008	1.46	0.79	16.94	32.29	41.78	54.32	59.73	55.53	49.19	37.39	25.74	-1.14
2009	-5.80	9.11	22.10	34.19	42.64	53.01	56.45	55.38	52.21	34.59	31.80	8.47
2010	2.30	6.07	28.92	39.27	46.39	56.06	60.83	61.98	47.11	37.52	26.75	7.43
2011	1.73	4.42	15.49	33.98	42.26	M	M	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	M	5.91
2013	3.70	3.75	11.07	28.40	44.58	47.89	M	58.43	51.52	37.26	19.56	-3.53
2014	-7.38	-8.39	11.27	31.65	46.25	57.00	60.44	60.23	48.22	37.34	7.76	17.08
2015	8.54	-0.46	21.75	28.84	44.83	54.64	65.97	51.57	57.81	14.90	28.69	22.01
2016	4.84	13.38	30.23	35.29	43.96	55.83	59.31	58.31	52.17	39.41	30.21	9.96
2017	8.91	17.50	20.68	35.44	43.48	52.47	-99.73	-36.06	27.53	-200.54	-285.93	-77.79
2018	-79.32	-71.68	-45.82	-43.63	48.01	57.87	58.22	57.64	50.46	33.29	16.95	12.47
2019	-2.45	-4.60	13.19	31.89	39.83	53.36	59.64	55.06	51.74	35.02	21.50	7.25
2020	9.69	2.27	24.71	30.13	45.00	56.68	58.48	56.01	44.20	29.44	23.55	10.78
2021	10.38	-2.44	25.68	32.23	41.96	54.95	55.88	55.68	46.89	44.50	23.22	8.79
2022	-4.11	-4.86	17.09	28.63	45.41	53.58	57.61	53.94	46.21	33.00	21.01	5.77
2023	6.38	0.83	10.94	30.37	45.70	55.41	52.73	56.25	52.18	36.89	21.75	22.84
2024	12.16	18.77	22.08	35.25	46.22	54.72	59.15	57.41	51.86	38.23	28.15	14.55
2025	1.59	0.69	23.38	32.71	43.51	55.51	60.43	58.27	52.10	41.41	22.74	3.59
2026	-0.49	13.48	23.60	32.33	37.02	53.17	62.54	55.90	M	M	M	M
NCEI Climatology	2.90	6.69	19.78	32.39	44.60	54.80	58.91	56.30	48.00	35.50	22.60	9.79

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	73.01	68.15	62.08	39.05	30.76	23.83
2003	13.71	13.37	28.43	45.18	55.97	65.37	70.89	71.19	59.10	49.01	29.07	23.04
2004	9.36	20.86	32.65	47.50	53.50	63.23	69.00	63.07	64.37	48.48	35.54	19.93
2005	11.90	24.15	29.96	49.59	54.77	67.66	75.14	68.42	63.92	51.58	33.59	18.67
2006	26.03	15.89	33.07	51.24	56.74	69.29	74.25	69.26	57.55	43.92	33.85	26.06
2007	17.80	11.92	35.22	44.35	61.39	68.71	72.84	68.74	61.78	51.63	31.67	12.56
2008	10.68	11.00	26.05	41.88	53.26	64.48	71.77	67.61	59.97	47.74	32.91	9.32
2009	4.81	18.67	30.24	45.30	57.01	64.77	67.90	66.18	64.15	41.05	39.86	15.08
2010	10.79	17.61	39.16	52.39	58.34	66.40	72.78	72.81	57.26	50.26	34.47	14.00
2011	8.98	15.57	25.95	44.30	52.78	M	M	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	M	15.30
2013	13.49	14.44	22.36	37.07	55.12	55.78	M	70.90	63.40	45.36	29.28	6.27
2014	4.45	4.21	21.64	40.60	55.34	65.88	68.84	68.15	58.13	47.49	16.74	22.76
2015	16.96	9.32	32.63	42.31	54.85	65.55	74.53	64.30	66.23	28.86	37.06	26.91
2016	13.71	21.87	38.48	44.68	56.77	66.75	70.05	68.98	61.57	49.07	39.99	17.20
2017	16.66	27.40	30.53	46.04	54.89	65.48	-8.76	19.60	50.68	-71.50	-123.58	-27.58
2018	-27.97	-24.13	-3.86	1.20	62.72	68.34	69.79	68.30	60.39	41.87	24.17	21.24
2019	7.81	6.86	24.15	42.46	51.80	65.17	70.74	65.99	61.42	43.04	27.83	17.13
2020	16.28	14.78	33.11	42.04	55.55	69.24	70.74	67.28	55.90	38.82	33.98	20.39
2021	17.86	6.85	35.79	42.65	54.79	68.86	69.53	68.44	60.35	54.58	32.70	19.10
2022	8.02	8.17	26.18	36.78	56.14	65.89	68.55	65.58	58.69	45.53	29.32	13.05
2023	14.30	13.43	21.34	37.39	50.21	64.61	66.21	67.81	62.88	46.36	32.30	29.79
2024	18.22	29.19	33.03	45.88	58.30	65.32	70.32	67.86	65.16	51.41	34.74	21.49
2025	12.08	12.00	35.25	44.23	57.03	65.84	71.25	68.69	63.94	51.47	33.63	14.66
2026	9.35	23.50	34.63	43.43	50.38	64.52	74.20	68.40	M	M	M	M
NCEI Climatology	11.80	16.29	29.14	43.35	56.20	66.00	70.25	67.75	59.50	45.70	30.95	17.80

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	77.0%	76.7%	76.2%	77.3%	73.9%	77.5%
2003	72.8%	69.1%	70.5%	62.3%	61.2%	69.8%	74.7%	72.9%	70.9%	69.6%	77.5%	79.0%
2004	73.3%	77.4%	74.6%	58.4%	67.2%	68.8%	74.2%	77.9%	76.7%	75.9%	75.2%	78.3%
2005	76.8%	77.6%	69.2%	63.0%	71.6%	75.9%	M	73.7%	75.5%	77.3%	83.0%	91.9%
2006	89.4%	77.7%	78.7%	66.5%	69.3%	74.2%	73.4%	76.3%	81.7%	72.9%	76.7%	81.5%
2007	78.9%	75.5%	77.0%	62.2%	66.6%	70.8%	72.0%	77.0%	74.0%	78.3%	69.3%	83.9%
2008	76.3%	72.0%	71.1%	67.0%	58.8%	68.4%	68.8%	72.2%	76.9%	72.8%	80.3%	82.5%
2009	79.9%	80.2%	76.1%	63.3%	61.0%	74.0%	74.9%	81.2%	81.6%	88.1%	84.6%	89.1%
2010	88.5%	81.6%	80.3%	64.7%	74.0%	84.1%	83.8%	86.1%	86.2%	76.8%	84.8%	91.0%
2011	90.7%	85.3%	83.3%	78.4%	74.5%	M	M	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	M	78.4%
2013	70.8%	72.8%	67.8%	68.7%	67.3%	77.7%	M	72.1%	76.5%	77.4%	71.7%	73.6%
2014	66.9%	64.9%	68.5%	69.1%	66.8%	76.3%	76.0%	85.4%	81.3%	73.7%	75.0%	86.0%
2015	78.8%	68.9%	65.7%	38.1%	69.5%	67.2%	62.2%	66.0%	M	38.0%	76.5%	84.7%
2016	78.6%	72.3%	73.3%	63.3%	62.8%	72.6%	78.0%	81.2%	80.1%	76.7%	80.3%	76.4%
2017	80.0%	70.2%	65.4%	68.6%	67.3%	68.1%	76.4%	82.4%	79.9%	73.1%	75.4%	74.6%
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	81.1%	M	M	89.3%	M	M	M	M
2020	81.7%	71.1%	71.7%	57.7%	59.2%	60.7%	73.3%	77.3%	75.6%	71.5%	75.6%	81.2%
2021	81.7%	71.6%	67.7%	65.7%	59.4%	59.3%	65.1%	66.6%	73.4%	59.3%	66.4%	71.1%
2022	52.9%	60.5%	66.3%	69.7%	65.1%	64.5%	77.6%	80.8%	77.9%	68.1%	75.9%	78.1%
2023	83.7%	74.0%	73.5%	69.8%	58.5%	67.3%	72.1%	75.6%	78.4%	77.8%	71.1%	83.7%
2024	79.7%	72.9%	59.1%	64.1%	67.1%	75.3%	80.1%	83.0%	76.5%	67.2%	83.5%	83.1%
2025	69.5%	70.5%	67.4%	65.2%	64.1%	79.8%	82.0%	82.8%	83.1%	75.8%	73.0%	80.3%
2026	74.3%	73.9%	72.2%	69.0%	56.5%	75.3%	79.9%	79.5%	M	M	M	M