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 (USC00132999) 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	-27.00	-20.00	-30.00	-23.00	-17.00	-28.00	-31.00	-29.00	-18.00	-31.00	-30.00	-31.00
2005	-31.00	-27.00	-31.00	-29.00	-30.00	-28.00	-31.00	-31.00	-28.00	-31.00	-29.00	-31.00
2006	-31.00	-28.00	-31.00	-30.00	-30.00	-30.00	-25.00	-23.00	-30.00	-30.00	-30.00	-31.00
2007	-30.00	-28.00	-31.00	-30.00	-30.00	-30.00	-31.00	-31.00	-30.00	-31.00	-30.00	-31.00
2008	-31.00	-29.00	-31.00	-30.00	-24.00	-13.00	-2.00	M	M	M	M	M
2009	-1.00	-26.00	-31.00	-29.00	-31.00	-30.00	-31.00	-31.00	-30.00	-31.00	-30.00	-31.00
2010	-31.00	-28.00	-31.00	-28.00	-30.00	-22.00	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	12.10	31.80	0.20	0.50	0.00	0.20	0.20	0.10	0.70	0.60	0.00
2022	0.00	0.00	0.90	0.50	1.10	0.00	0.00	0.40	4.30	70.20	83.60	124.70
2023	119.60	125.60	56.10	0.00	0.00	0.00	0.00	0.10	0.10	0.40	0.10	0.10
2024	0.20	0.10	0.10	0.00	0.90	0.00	0.90	0.10	0.00	0.00	0.10	0.10
2025	0.10	0.10	0.10	0.30	0.00	0.30	0.40	0.10	0.00	0.00	0.10	0.00
2026	0.10	0.10	0.00	0.00	0.10	0.00	0.00	M	M	M	M	M
NCEI Climatology	0.95	1.28	1.96	3.72	4.57	5.53	4.20	4.26	2.81	2.55	1.85	1.46

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	9.0	8.5	8.8	4.9	6.4	4.0	3.3	4.4	6.1	10.4	9.1	11.0
2005	10.2	9.8	11.3	11.3	11.9	9.5	7.1	5.9	8.5	8.4	11.1	8.9
2006	11.2	10.8	12.0	12.3	11.3	8.3	6.6	6.5	7.9	10.0	8.7	9.8
2007	10.7	8.5	10.3	11.4	11.1	8.7	6.7	6.3	8.6	9.7	10.7	8.6
2008	10.2	9.9	9.8	12.3	10.4	10.9	M	M	M	M	M	M
2009	M	10.6	11.6	11.7	10.1	7.1	5.9	6.9	5.9	8.9	9.3	9.8
2010	9.4	8.0	9.8	10.7	10.6	8.2	6.4	7.3	8.6	9.1	11.6	9.9
2011	9.4	11.0	10.1	12.9	12.3	9.8	6.3	5.6	6.6	9.8	10.6	9.1
2012	11.2	10.5	11.1	11.8	11.4	9.4	6.5	6.5	7.2	9.6	9.7	9.6
2013	10.5	11.4	10.7	11.7	11.3	9.4	7.3	5.5	8.0	9.3	11.0	9.6
2014	12.8	10.1	11.9	13.2	10.4	8.6	7.1	5.6	7.3	9.3	11.9	9.4
2015	10.6	10.5	10.9	9.3	10.6	7.7	6.1	6.2	7.5	8.9	7.4	9.8
2016	9.5	11.0	10.5	13.1	8.5	8.3	6.6	5.7	8.2	8.5	9.3	11.0
2017	9.2	10.1	11.8	10.5	9.8	8.6	5.9	5.5	7.3	10.2	9.6	10.3
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	7.7	7.7	6.3	1.0	7.1	6.8	6.1	4.7	0.0	0.0	0.0
2026	1.7	4.6	7.3	8.4	4.6	3.2	1.0	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	23.94	29.92	48.84	63.38	70.68	77.04	81.37	76.64	77.83	62.32	48.70	35.30
2005	25.11	37.58	46.80	64.13	69.03	84.12	86.54	82.58	80.33	64.88	48.69	25.35
2006	38.88	34.35	44.74	65.54	70.82	82.84	85.05	80.19	70.11	56.49	48.53	40.04
2007	28.16	22.38	49.08	57.73	75.63	82.74	86.45	83.92	77.65	65.22	46.12	27.04
2008	24.46	25.70	39.53	55.19	68.26	78.48	71.15	M	M	M	M	M
2009	21.90	35.23	46.21	58.18	71.43	79.72	80.51	80.45	77.26	53.10	54.21	26.15
2010	19.18	26.82	47.48	67.51	73.64	80.88	85.68	86.32	74.96	68.85	46.69	27.52
2011	22.87	30.85	43.15	58.32	71.30	80.46	88.05	84.08	73.07	67.75	50.60	37.17
2012	36.44	38.00	63.65	64.86	77.94	84.71	91.87	84.77	78.17	59.74	51.40	35.42
2013	30.40	33.02	36.78	54.23	68.58	79.35	85.53	85.11	80.72	61.87	44.06	24.91
2014	25.97	24.05	40.21	58.89	73.49	81.26	79.92	81.62	74.21	62.34	38.54	33.34
2015	22.84	16.22	41.67	58.04	70.24	80.83	84.06	80.75	80.31	65.01	46.58	38.02
2016	25.83	33.75	53.11	61.14	72.36	86.43	82.29	82.64	78.49	66.87	55.89	31.40
2017	30.37	44.39	44.87	60.66	71.90	85.09	87.35	79.90	81.21	63.13	47.27	32.87
2018	28.35	28.84	42.50	50.71	79.14	84.62	84.80	82.86	76.58	58.82	38.00	34.22
2019	27.29	24.34	39.47	60.89	68.26	80.84	85.17	81.15	79.65	56.47	41.32	37.86
2020	29.36	33.56	50.04	60.49	68.40	85.79	87.15	85.67	75.07	56.89	52.99	36.63
2021	31.94	20.67	53.20	62.64	70.30	88.22	83.96	84.61	80.99	65.60	50.08	40.96
2022	27.64	32.76	46.63	55.44	72.87	84.78	86.59	84.38	78.46	65.44	46.78	28.87
2023	29.52	35.32	43.64	61.23	78.60	83.84	84.52	84.25	77.75	63.94	52.34	42.76
2024	26.95	49.36	52.56	62.63	74.24	83.96	83.71	81.80	81.77	71.70	48.46	35.73
2025	30.00	28.96	54.02	61.83	73.17	83.60	85.75	82.45	80.90	67.18	47.90	32.44
2026	27.48	44.16	55.57	63.83	75.15	82.42	87.43	M	M	M	M	M
NCEI Climatology	25.50	30.68	43.90	58.80	69.90	79.70	82.70	80.31	74.20	61.29	45.10	31.29

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	8.11	16.44	31.54	38.83	52.16	57.53	60.92	56.15	56.36	40.81	30.57	17.35
2005	10.47	22.34	25.23	42.70	48.35	62.70	64.03	60.17	56.10	40.76	29.13	11.64
2006	24.87	12.94	27.84	43.34	50.62	59.82	63.98	63.26	49.07	37.28	28.09	22.62
2007	11.53	6.74	31.60	35.78	54.80	60.36	63.08	64.50	53.80	45.65	25.55	11.84
2008	7.69	6.18	23.96	35.87	46.94	61.65	71.15	M	M	M	M	M
2009	21.70	17.12	27.26	37.33	49.69	59.25	58.41	59.55	52.74	36.50	34.34	10.28
2010	5.60	6.57	29.40	44.46	50.12	61.32	65.69	65.63	52.28	41.29	27.66	11.36
2011	4.82	14.42	26.47	37.02	49.28	61.46	68.54	61.42	49.72	40.94	29.57	19.84
2012	17.23	21.00	40.47	41.90	54.45	61.88	67.74	59.01	48.87	38.15	29.56	17.07
2013	11.48	15.49	21.59	34.85	49.95	61.11	62.72	62.33	55.79	40.02	23.42	7.97
2014	3.79	3.19	20.85	36.93	50.85	61.33	59.51	63.54	52.41	40.74	19.59	21.77
2015	9.25	3.52	35.02	46.77	51.75	61.86	63.05	61.29	58.60	42.92	42.62	25.77
2016	11.89	20.72	32.96	41.10	50.13	63.61	63.08	62.84	57.42	45.30	34.06	16.36
2017	17.68	25.64	28.27	42.75	49.20	60.84	64.75	58.67	56.31	43.01	26.57	14.22
2018	9.15	9.25	27.51	29.83	57.44	64.87	63.83	62.51	56.05	38.22	22.81	20.20
2019	10.51	5.86	23.15	39.61	48.62	61.16	65.64	60.04	59.51	36.66	24.52	19.74
2020	13.49	14.87	32.17	35.20	50.30	64.75	65.69	61.50	51.56	36.19	30.22	17.88
2021	17.43	2.50	32.83	40.23	50.58	63.81	64.46	63.98	54.90	45.21	28.60	22.21
2022	3.26	8.40	27.19	33.93	52.03	62.27	64.76	62.12	54.26	37.98	26.22	13.40
2023	14.22	16.75	27.82	36.77	54.45	61.08	60.85	63.19	54.70	43.68	27.64	25.75
2024	14.05	24.32	28.67	40.10	51.40	62.03	63.51	61.47	54.06	43.44	31.03	20.07
2025	7.57	9.75	30.50	39.95	49.31	62.38	65.91	61.83	56.00	46.10	30.20	12.58
2026	10.45	20.27	30.01	41.08	50.34	61.20	67.53	M	M	M	M	M
NCEI Climatology	7.41	11.70	23.80	34.80	47.51	58.40	62.00	59.49	50.50	37.69	25.10	14.09

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	16.02	23.18	40.19	51.11	61.42	67.28	71.14	66.40	67.09	51.56	39.63	26.33
2005	17.79	29.96	36.01	53.42	58.69	73.41	75.29	71.38	68.22	52.82	38.91	18.49
2006	31.88	23.64	36.29	54.44	60.72	71.33	74.51	71.59	59.59	46.89	38.31	31.33
2007	19.84	14.56	40.34	46.75	65.22	71.55	74.77	74.21	65.72	55.44	35.83	19.44
2008	16.08	16.17	31.75	45.53	57.60	70.07	71.15	M	M	M	M	M
2009	21.80	26.49	36.74	47.76	60.56	69.41	69.62	69.80	65.01	44.80	44.06	18.22
2010	12.39	16.63	38.52	56.45	61.88	71.01	75.69	75.98	63.62	55.07	37.17	19.44
2011	13.85	22.64	34.81	47.67	60.29	70.96	78.30	72.75	61.39	54.35	40.09	28.50
2012	26.83	29.50	52.06	53.38	66.19	73.29	79.81	71.89	63.52	48.95	40.48	26.24
2013	20.94	24.26	29.19	44.54	59.26	70.23	74.13	73.72	68.26	50.94	33.74	16.44
2014	14.88	13.62	30.53	47.91	62.17	71.29	69.72	72.58	63.31	51.54	29.07	27.56
2015	16.05	9.87	38.35	52.40	60.99	71.35	73.56	71.02	69.46	53.96	44.60	31.90
2016	18.86	27.24	43.04	51.12	61.25	75.02	72.69	72.74	67.96	56.09	44.98	23.88
2017	24.02	35.02	36.57	51.70	60.55	72.96	76.05	69.29	68.76	53.07	36.92	23.55
2018	18.75	19.05	35.00	40.27	68.29	74.75	74.32	72.69	66.32	48.52	30.41	27.21
2019	18.90	15.10	31.31	50.25	58.44	71.00	75.40	70.59	69.58	46.57	32.92	28.80
2020	21.43	24.21	41.10	47.84	59.35	75.27	76.42	73.58	63.32	46.54	41.61	27.26
2021	24.69	11.58	43.02	51.43	60.44	76.02	74.21	74.29	67.94	55.40	39.34	31.59
2022	15.45	20.58	36.91	44.68	62.45	73.53	75.68	73.25	66.36	51.71	36.50	21.14
2023	21.87	26.03	35.73	49.00	66.52	72.46	72.69	73.72	66.23	53.81	39.99	34.25
2024	20.50	36.84	40.61	51.36	62.82	72.99	73.61	71.63	67.92	57.57	39.75	27.90
2025	18.79	19.36	42.26	50.89	61.24	72.99	75.83	72.14	68.45	56.64	39.05	22.51
2026	18.97	32.21	42.79	52.46	62.74	71.81	77.48	M	M	M	M	M
NCEI Climatology	16.45	21.19	33.85	46.80	58.70	69.05	72.35	69.90	62.35	49.49	35.10	22.69

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	62.9%	75.1%	71.5%	51.1%	69.5%	64.1%	70.7%	70.5%	64.8%	63.8%	69.1%	67.6%
2005	73.8%	76.2%	66.4%	56.8%	61.5%	65.4%	68.8%	69.4%	61.4%	62.8%	66.6%	83.4%
2006	76.2%	67.4%	71.2%	58.8%	62.3%	58.4%	69.9%	75.4%	67.5%	62.7%	67.4%	69.4%
2007	73.1%	70.1%	76.1%	58.7%	56.5%	57.3%	61.5%	73.4%	61.5%	66.0%	58.4%	78.0%
2008	71.5%	73.8%	69.5%	64.3%	53.6%	69.9%	M	M	M	M	M	M
2009	M	63.2%	62.0%	53.1%	53.6%	61.5%	64.7%	67.8%	63.2%	71.4%	65.4%	77.1%
2010	75.6%	70.8%	69.9%	51.6%	55.5%	67.5%	69.8%	69.5%	65.3%	54.4%	64.4%	76.6%
2011	74.1%	73.8%	73.3%	65.3%	59.4%	66.7%	74.9%	70.0%	62.3%	54.4%	62.2%	74.0%
2012	68.7%	73.0%	67.0%	58.6%	56.8%	59.8%	62.8%	62.0%	54.0%	62.3%	63.4%	72.0%
2013	69.7%	72.4%	71.5%	67.3%	68.2%	65.9%	59.5%	65.4%	62.7%	64.0%	65.9%	73.9%
2014	64.8%	71.4%	68.7%	62.8%	61.5%	69.6%	70.7%	75.8%	71.2%	64.5%	71.5%	80.8%
2015	73.2%	71.1%	49.9%	58.3%	70.8%	69.5%	72.1%	74.0%	68.8%	61.5%	82.6%	82.1%
2016	81.7%	79.2%	72.6%	64.5%	62.2%	63.4%	77.0%	77.1%	71.5%	72.3%	69.8%	75.6%
2017	79.0%	72.8%	69.7%	67.5%	61.7%	57.8%	70.3%	72.5%	64.7%	65.0%	65.0%	66.5%
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	72.3%	73.0%	64.1%	60.5%	73.4%	81.9%	81.0%	73.0%	71.3%	79.7%	86.0%
2026	77.2%	71.9%	70.0%	68.2%	54.2%	69.7%	81.7%	M	M	M	M	M