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 (USC00131962) 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	0.11	0.44	1.46	0.12	3.84	1.43	0.29	1.04	0.31	0.18	0.67	0.18
2005	0.49	0.54	0.04	1.99	2.01	0.37	0.17	-20.98	-29.00	-31.00	-29.00	-31.00
2006	-29.00	-28.00	-30.00	-30.00	-28.00	-30.00	-25.00	-22.00	-30.00	-30.00	-30.00	-31.00
2007	-30.00	-28.00	-30.00	-30.00	-30.00	-30.00	-31.00	-30.00	-30.00	-31.00	-30.00	-31.00
2008	-31.00	-29.00	-31.00	-30.00	-31.00	-30.00	-30.00	-23.00	-29.00	-31.00	-30.00	-31.00
2009	-31.00	-28.00	-31.00	-29.00	-31.00	-19.00	-20.00	-29.00	-30.00	-31.00	-25.00	-31.00
2010	-31.00	-28.00	-31.00	-28.00	-30.00	-17.00	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	M
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	0.00	0.00	0.00	0.40	0.00	0.00	0.10	0.00	0.00	0.00	0.00
2022	0.00	0.00	0.00	0.20	0.20	0.40	0.00	0.10	0.70	0.00	0.00	0.00
2023	0.00	0.00	0.00	0.00	0.00	0.00	0.10	0.20	0.00	0.20	0.00	0.10
2024	0.20	0.00	0.10	0.10	0.20	0.10	10.80	0.00	M	M	M	M
2025	9.10	88.00	0.00	0.00	0.00	0.00	M	0.00	0.00	0.00	0.00	0.00
2026	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M	M	M	M
NCEI Climatology	1.04	1.53	2.53	3.74	5.15	5.17	4.46	4.23	3.70	2.79	2.14	1.48

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	8.6	6.3	7.5	8.4	6.5	4.5	3.1	3.3	3.9	9.8	9.9	11.1
2005	7.9	8.3	11.6	10.6	10.1	8.3	6.7	5.4	7.2	7.1	10.8	9.8
2006	11.0	10.7	11.2	10.2	10.2	6.9	7.1	5.7	7.5	9.6	9.6	10.1
2007	11.6	10.6	11.1	11.5	8.8	7.6	6.5	6.0	7.4	8.5	10.4	7.6
2008	11.0	9.9	9.6	11.8	10.6	8.2	7.1	5.1	6.8	8.0	10.2	9.7
2009	10.9	10.7	11.1	10.6	9.1	7.3	6.0	7.4	5.2	9.3	9.1	8.8
2010	9.1	9.1	9.2	10.6	8.9	8.2	5.6	6.6	8.5	9.0	11.6	9.8
2011	9.9	11.5	10.7	13.3	10.4	9.0	6.3	5.5	6.8	7.4	15.1	11.6
2012	12.0	10.5	10.8	10.3	9.6	8.8	7.4	6.8	7.4	9.6	9.6	10.2
2013	11.1	12.3	10.7	12.0	11.1	8.1	6.5	6.7	7.7	9.1	10.6	10.2
2014	13.8	10.5	12.3	11.9	8.8	7.9	6.8	5.6	6.6	9.4	12.4	9.4
2015	11.5	11.1	10.1	10.1	10.1	6.9	6.4	6.0	7.1	8.8	10.3	11.0
2016	9.9	11.8	10.3	M	M	7.6	6.5	5.5	7.7	8.2	10.0	10.7
2017	9.1	11.1	11.8	10.7	10.0	9.2	6.7	6.0	6.9	10.6	10.1	11.0
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	12.8	12.6	10.7	8.2	7.4	6.5	5.4	6.3	8.4	9.6	10.6
2026	10.4	9.8	12.0	12.2	8.3	7.3	M	M	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	28.69	33.58	50.75	64.79	72.96	77.68	80.95	78.70	78.02	63.75	50.32	38.89
2005	29.31	41.99	51.60	64.55	70.41	83.15	87.15	83.19	80.06	64.26	52.52	29.74
2006	43.62	39.47	47.76	67.67	71.80	82.98	86.29	82.00	71.62	58.95	52.03	43.77
2007	30.79	27.18	55.82	58.70	76.10	82.24	86.81	85.94	77.73	67.17	48.67	31.55
2008	27.87	28.51	45.69	57.23	70.29	81.14	84.17	82.33	74.18	63.06	46.64	32.61
2009	29.79	40.60	49.73	57.83	71.14	79.19	77.38	79.47	75.23	53.94	52.48	28.71
2010	21.90	29.31	49.05	68.43	70.45	84.10	86.38	86.87	75.38	69.17	49.32	31.43
2011	24.09	36.10	48.45	61.35	71.11	81.11	89.94	85.01	70.79	62.87	47.37	36.83
2012	36.05	39.63	65.75	65.66	77.47	84.59	94.59	86.42	78.04	62.10	53.50	38.43
2013	36.50	35.53	41.46	53.80	69.41	77.06	85.06	85.76	81.68	62.41	46.21	30.51
2014	29.08	28.16	45.28	61.10	73.36	81.79	81.29	81.47	74.11	63.22	39.44	36.67
2015	36.48	27.97	54.99	63.46	69.69	79.88	83.71	81.33	82.07	64.92	53.46	42.40
2016	31.32	41.44	55.36	M	M	88.24	84.15	83.13	78.94	69.13	57.31	33.89
2017	33.23	49.87	51.27	62.74	72.09	84.11	88.84	82.48	81.40	64.07	50.45	35.29
2018	31.88	34.89	48.04	55.92	81.22	84.21	86.20	85.13	76.25	61.02	42.14	42.09
2019	33.57	31.58	47.43	65.19	69.61	81.01	86.46	82.24	81.43	58.32	45.66	42.35
2020	37.36	40.06	54.91	62.47	69.11	86.15	87.74	86.10	74.98	63.20	56.57	37.06
2021	33.01	23.24	55.45	62.96	70.48	85.76	84.24	85.19	81.72	65.95	52.58	45.94
2022	30.32	38.10	49.26	58.61	72.03	84.18	86.33	86.85	77.44	66.40	48.09	33.33
2023	33.85	42.00	46.58	62.99	77.10	84.22	83.94	83.08	81.03	64.52	52.46	43.95
2024	27.19	49.54	51.53	64.66	73.95	84.43	85.23	82.36	M	M	M	M
2025	43.13	32.66	58.57	63.26	72.25	82.71	85.81	82.86	81.50	69.17	51.70	38.07
2026	31.77	48.37	60.42	64.91	74.93	80.51	M	M	M	M	M	M
NCEI Climatology	30.50	35.29	48.69	61.19	71.30	80.90	84.70	83.00	76.41	64.10	48.40	35.71

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	11.35	16.14	32.94	43.69	53.51	57.68	62.55	57.91	56.94	43.60	32.80	20.23
2005	14.53	24.38	27.15	43.59	48.29	62.46	64.97	62.52	57.62	42.13	30.43	15.52
2006	26.54	15.81	29.61	44.64	51.80	61.86	65.29	63.91	51.06	39.13	30.66	24.39
2007	14.66	12.42	36.48	37.05	54.86	60.70	64.38	67.01	54.63	46.45	27.72	15.47
2008	10.20	10.94	25.72	36.62	48.05	60.59	65.38	61.92	53.54	42.22	29.48	10.76
2009	8.60	18.09	29.17	38.89	51.42	61.41	60.85	61.93	53.02	38.27	35.31	13.05
2010	9.75	10.41	31.26	45.40	51.47	62.78	67.89	65.57	55.10	42.62	29.15	14.29
2011	8.72	16.79	28.49	39.85	49.86	62.40	71.04	64.08	49.93	47.82	37.02	25.10
2012	21.46	21.60	43.12	44.08	54.67	62.33	69.19	60.75	50.69	40.10	30.84	21.45
2013	16.05	18.77	24.18	35.17	50.58	58.97	62.47	63.93	57.74	41.16	25.65	10.99
2014	6.33	7.47	22.77	38.41	51.49	61.58	60.09	64.87	54.12	43.11	21.67	24.03
2015	15.03	7.38	28.25	42.89	52.39	62.21	64.65	62.05	62.11	44.55	35.02	27.30
2016	15.56	23.27	35.05	M	M	66.81	65.43	64.23	59.19	47.68	36.61	17.29
2017	20.05	25.74	30.84	43.62	50.05	61.40	67.13	58.84	57.75	44.40	28.89	16.22
2018	12.46	14.85	29.78	30.87	58.51	64.69	64.48	63.73	57.23	41.49	22.55	22.42
2019	12.61	9.38	27.01	42.16	50.71	62.17	66.84	62.90	61.59	37.99	25.58	22.87
2020	17.94	18.93	34.07	37.76	51.43	66.22	67.97	62.83	53.23	41.67	33.43	17.87
2021	18.81	5.36	33.75	39.25	52.20	63.05	64.81	65.42	56.22	45.62	30.27	24.10
2022	8.56	11.55	26.58	35.31	53.11	62.22	65.20	63.45	55.44	38.69	26.84	14.44
2023	19.04	18.40	26.86	38.28	54.50	60.96	63.11	63.96	56.58	44.03	28.87	28.23
2024	13.20	25.97	31.59	41.68	52.34	63.29	64.15	61.68	M	M	M	M
2025	16.51	12.73	32.05	41.47	49.39	61.52	66.89	61.72	56.07	48.37	30.44	17.75
2026	12.05	22.92	32.27	43.42	51.18	60.49	M	M	M	M	M	M
NCEI Climatology	10.61	13.99	25.49	36.10	48.81	59.40	63.20	60.69	51.60	39.30	26.21	16.00

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	20.02	24.86	41.85	54.24	63.23	67.68	71.75	68.30	67.48	53.67	41.56	29.56
2005	21.92	33.19	39.38	54.07	59.35	72.81	76.06	72.80	68.65	52.60	41.79	22.62
2006	35.16	27.44	38.79	56.27	61.71	72.23	75.79	73.04	61.34	49.79	41.54	34.02
2007	22.29	19.59	46.39	47.74	65.66	71.47	75.52	76.47	66.25	57.08	38.15	23.70
2008	19.12	19.70	35.47	46.93	59.05	70.88	74.96	72.11	64.01	52.52	38.06	21.76
2009	19.24	29.78	39.20	48.21	61.56	70.30	68.99	70.70	64.13	46.10	43.90	20.88
2010	15.83	19.62	40.08	56.91	60.77	73.44	77.14	76.22	65.24	55.90	39.24	22.86
2011	16.41	26.44	38.47	50.60	60.48	71.76	80.49	74.54	60.36	55.34	42.19	30.97
2012	28.75	30.62	54.43	54.87	66.07	73.46	81.89	73.59	64.37	51.10	42.17	29.94
2013	26.27	27.15	32.82	44.48	59.99	68.02	73.76	74.84	69.71	51.78	35.93	20.75
2014	17.70	17.82	34.03	49.75	62.43	71.69	70.69	73.17	64.12	53.17	30.56	30.35
2015	25.75	17.68	41.62	53.18	61.04	71.04	74.18	71.69	72.09	54.74	44.24	34.85
2016	23.44	32.36	45.20	M	M	77.52	74.79	73.68	69.07	58.40	46.96	25.59
2017	26.64	37.80	41.06	53.18	61.07	72.75	77.99	70.66	69.58	54.23	39.67	25.76
2018	22.17	24.87	38.91	43.39	69.86	74.45	75.34	74.43	66.74	51.26	32.34	32.26
2019	23.09	20.48	37.22	53.67	60.16	71.59	76.65	72.57	71.51	48.16	35.62	32.61
2020	27.65	29.50	44.49	50.11	60.27	76.18	77.85	74.47	64.10	52.43	45.00	27.47
2021	25.91	14.30	44.60	51.11	61.34	74.41	74.53	75.31	68.97	55.79	41.42	35.02
2022	19.44	24.83	37.92	46.96	62.57	73.20	75.77	75.15	66.44	52.55	37.46	23.89
2023	26.44	30.20	36.72	50.64	65.80	72.59	73.52	73.52	68.81	54.27	40.67	36.09
2024	20.20	37.75	41.56	53.17	63.14	73.86	74.69	72.02	M	M	M	M
2025	29.82	22.69	45.31	52.36	60.82	72.11	76.35	72.29	68.79	58.77	41.07	27.91
2026	21.91	35.65	46.35	54.17	63.05	70.50	M	M	M	M	M	M
NCEI Climatology	20.55	24.64	37.09	48.64	60.05	70.15	73.95	71.85	64.00	51.70	37.30	25.85

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	70.6%	75.1%	70.9%	56.6%	71.6%	69.8%	76.8%	73.4%	69.4%	68.2%	74.6%	70.5%
2005	81.0%	76.3%	62.3%	61.8%	63.2%	71.3%	70.5%	74.6%	68.5%	68.9%	69.3%	82.9%
2006	75.5%	59.8%	71.4%	63.9%	66.6%	64.9%	69.7%	78.4%	70.8%	67.5%	67.9%	68.7%
2007	76.2%	71.6%	75.0%	62.4%	68.4%	66.7%	67.5%	77.5%	69.9%	72.3%	62.8%	81.6%
2008	75.0%	76.1%	69.6%	69.6%	62.7%	69.9%	71.9%	73.0%	75.4%	68.9%	72.4%	74.0%
2009	70.6%	66.4%	66.3%	63.5%	63.5%	72.2%	75.4%	75.9%	71.9%	77.1%	72.9%	80.5%
2010	78.8%	73.8%	73.9%	62.1%	68.6%	75.0%	74.5%	74.2%	72.2%	58.5%	67.2%	78.4%
2011	79.0%	74.6%	73.0%	65.7%	65.7%	72.2%	73.3%	72.7%	69.3%	58.3%	68.9%	72.4%
2012	65.4%	74.2%	68.7%	64.8%	60.8%	62.5%	59.8%	60.8%	57.8%	64.9%	66.8%	74.3%
2013	71.0%	72.4%	70.1%	68.5%	73.4%	72.0%	66.4%	68.7%	65.5%	69.3%	66.9%	73.9%
2014	66.4%	74.1%	66.1%	61.7%	66.1%	73.2%	70.0%	78.9%	73.7%	66.2%	71.5%	80.7%
2015	69.6%	69.6%	59.0%	59.4%	72.4%	75.0%	75.7%	75.6%	72.3%	65.0%	71.7%	82.4%
2016	78.2%	73.2%	68.9%	M	M	69.1%	79.3%	79.9%	74.8%	76.1%	69.7%	71.5%
2017	78.7%	64.3%	65.9%	71.9%	67.7%	66.0%	72.7%	72.1%	68.6%	69.3%	67.9%	71.0%
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	68.6%	65.3%	68.5%	69.4%	78.8%	84.6%	81.1%	75.4%	73.3%	76.4%	81.3%
2026	74.4%	66.9%	65.7%	76.0%	63.2%	75.4%	M	M	M	M	M	M