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 (USC00053359) 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
2005	M	M	M	M	M	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	M	M	M
2008	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	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	M	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	M	M	M	M	M
2013	M	M	M	M	M	0.00	0.00	0.00	0.00	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	0.00	0.00	M	M	M	M	M
2017	M	M	M	M	M	M	0.00	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	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	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	1.13	1.20	1.18	1.63	1.69	0.96	1.07	1.27	1.63	1.56	1.06	1.19

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	2.5	2.3	1.8	1.5	1.6	1.6	5.0	4.0
2006	3.9	3.5	2.9	2.8	2.1	1.9	1.6	1.5	3.5	2.5	2.5	0.5
2007	0.6	2.7	2.0	2.4	1.8	1.9	2.2	1.1	1.2	M	M	M
2008	3.6	2.2	2.6	2.0	1.1	2.0	1.5	1.0	M	0.0	0.0	0.0
2009	0.0	0.0	0.0	1.2	1.9	1.6	1.6	1.3	2.0	2.0	1.9	1.8
2010	1.5	1.2	2.3	2.1	1.9	1.5	1.6	0.9	1.1	1.8	3.7	3.5
2011	4.0	4.0	3.8	M	M	3.9	1.3	0.8	1.3	1.4	1.6	1.8
2012	1.9	1.4	1.6	1.5	2.0	1.2	1.6	M	M	M	M	M
2013	M	M	M	M	M	1.5	1.7	1.1	1.1	1.2	1.7	1.4
2014	2.1	1.6	1.8	1.8	1.8	1.5	1.4	0.9	0.9	1.3	1.4	4.4
2015	1.7	1.5	1.6	1.7	1.1	1.2	0.9	1.0	1.1	1.4	1.2	1.3
2016	1.3	1.5	1.4	1.6	1.3	1.5	0.6	2.7	7.5	10.3	8.0	13.0
2017	10.4	13.7	7.4	8.9	7.2	7.2	4.3	5.1	7.4	9.2	12.1	9.7
2018	9.6	11.6	9.9	9.5	7.3	8.3	5.3	6.5	7.5	7.5	7.7	7.0
2019	8.3	10.3	8.1	10.2	7.3	7.3	6.1	5.4	8.4	9.8	8.7	8.0
2020	9.5	9.0	9.8	9.0	8.1	8.4	7.1	6.7	6.0	9.8	9.9	7.2
2021	8.5	10.9	8.0	8.4	7.1	6.2	4.5	6.2	6.1	7.5	8.9	11.3
2022	8.2	7.8	7.8	11.9	10.1	7.7	5.0	4.3	6.2	6.2	8.9	11.4
2023	8.0	10.1	10.5	9.0	6.0	7.8	5.7	5.8	6.9	7.1	7.6	6.8
2024	7.5	10.2	8.9	8.4	9.1	7.6	5.4	6.4	4.9	0.0	0.0	0.0
2025	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2026	0.0	0.0	0.0	0.0	0.0	0.0	0.0	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
2005	M	M	M	M	57.80	60.06	77.77	67.94	64.21	48.36	40.30	26.41
2006	28.13	28.83	33.93	44.94	58.48	73.82	71.60	65.79	55.72	41.87	35.48	27.84
2007	25.03	26.53	35.66	40.70	49.28	64.94	69.80	67.54	64.21	M	M	M
2008	11.00	25.51	30.26	33.35	48.60	60.44	70.09	73.40	M	49.64	38.05	24.24
2009	27.47	28.40	34.48	39.02	50.29	59.30	68.52	67.65	60.14	42.37	38.54	23.48
2010	28.53	23.76	33.22	38.96	46.52	66.14	70.32	65.16	62.85	45.88	32.51	28.83
2011	25.98	30.57	33.93	32.60	55.74	63.34	67.83	69.10	59.12	45.88	32.54	30.78
2012	30.03	32.96	46.28	53.78	67.48	73.58	68.80	51.80	M	M	M	M
2013	M	M	M	M	64.89	70.61	71.25	67.30	59.66	41.96	34.04	26.66
2014	28.94	32.77	34.73	45.68	59.41	68.00	70.15	62.12	60.02	49.48	34.57	32.54
2015	31.01	31.87	39.66	41.66	44.83	65.96	65.21	67.30	61.70	50.29	32.56	25.79
2016	27.92	31.57	33.74	39.76	47.91	67.64	70.04	64.34	60.20	51.68	37.34	22.75
2017	21.56	29.60	35.42	37.22	45.50	64.82	65.91	63.41	56.84	43.67	37.82	27.59
2018	27.01	23.96	31.83	38.18	52.90	66.62	70.44	65.27	61.58	38.33	27.03	22.44
2019	22.88	20.62	29.84	39.14	39.95	54.14	66.66	67.07	61.16	39.66	33.49	24.43
2020	22.00	24.20	31.77	38.18	50.87	62.72	69.44	68.99	54.80	48.72	32.96	23.96
2021	23.23	21.33	29.45	39.32	47.33	65.48	67.54	64.23	59.84	41.48	35.60	26.14
2022	26.00	22.55	29.56	36.92	45.76	62.30	66.03	64.46	60.26	43.52	26.12	22.44
2023	19.64	23.77	24.51	34.22	47.79	55.76	70.26	65.97	58.16	44.60	33.32	27.34
2024	23.40	26.54	29.85	39.20	43.44	64.40	66.55	64.17	59.12	50.64	28.64	30.20
2025	19.40	28.08	32.99	39.68	48.95	65.60	69.51	67.65	56.36	45.94	38.06	30.37
2026	25.83	30.71	43.85	40.10	50.58	67.70	71.14	69.22	60.10	M	M	M
NCEI Climatology	36.20	41.78	53.01	60.01	70.60	82.40	88.60	86.00	78.20	64.79	49.10	36.39

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	42.80	41.90	58.61	50.75	45.50	35.68	29.20	16.44
2006	17.96	12.78	19.85	29.69	40.83	53.30	54.35	48.03	39.52	29.85	22.10	17.17
2007	11.79	15.80	22.16	24.86	33.08	43.94	50.41	49.01	46.02	M	M	M
2008	5.60	14.39	17.18	15.58	35.40	43.40	52.85	56.30	M	33.68	27.97	16.76
2009	18.67	17.13	21.39	25.22	36.47	40.70	50.87	48.20	42.68	28.28	25.94	12.41
2010	18.63	14.90	21.08	25.34	30.32	45.14	50.58	47.85	41.49	28.81	19.66	17.29
2011	17.72	18.57	21.26	28.40	55.74	42.30	50.58	51.16	43.64	28.63	20.18	19.81
2012	17.19	16.19	26.89	29.54	36.18	49.04	54.00	51.80	M	M	M	M
2013	M	M	M	M	64.89	49.69	51.16	48.37	41.30	29.36	23.42	13.59
2014	16.52	18.56	20.04	25.22	34.09	43.28	51.92	46.82	44.06	34.03	22.16	23.63
2015	21.84	21.01	25.79	27.50	32.87	47.60	48.20	48.84	46.10	36.82	20.70	14.99
2016	17.39	19.71	21.03	27.90	33.57	48.14	51.32	47.15	41.90	34.85	25.96	11.27
2017	12.80	20.30	24.98	22.52	30.20	43.28	48.14	45.65	38.72	26.95	25.10	15.74
2018	15.80	11.56	16.26	22.94	35.19	44.18	50.12	45.70	41.84	27.24	15.80	12.45
2019	12.98	7.96	17.72	25.79	26.95	37.34	47.91	48.20	40.94	20.04	21.20	13.44
2020	12.27	9.87	19.40	22.10	33.45	40.76	48.38	50.46	40.80	30.55	20.84	12.80
2021	11.27	10.13	16.21	23.43	31.77	45.26	49.19	46.34	41.84	28.04	24.50	15.92
2022	14.06	8.54	15.34	20.48	29.79	41.84	48.61	47.10	43.28	29.36	13.76	11.83
2023	11.72	9.05	10.46	18.86	33.68	38.12	50.12	46.57	39.56	30.95	22.10	17.97
2024	14.53	13.88	17.95	24.98	27.82	44.06	47.79	46.17	41.48	35.37	16.58	19.46
2025	6.24	15.16	18.76	24.20	32.81	44.96	49.42	48.26	38.78	30.43	25.76	21.14
2026	14.90	19.98	27.70	25.10	32.41	44.96	50.58	51.10	43.19	M	M	M
NCEI Climatology	12.30	19.14	26.11	31.99	39.61	46.30	53.41	52.11	43.80	33.30	23.60	15.11

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	50.30	50.98	68.19	59.35	54.85	42.02	34.75	21.42
2006	23.05	20.80	26.89	37.31	49.65	63.56	62.98	56.91	47.62	35.86	28.79	22.50
2007	18.41	21.16	28.91	32.78	41.18	54.44	60.10	58.27	55.12	M	M	M
2008	8.30	19.95	23.72	24.46	42.00	51.92	61.47	64.85	M	41.66	33.01	20.50
2009	23.07	22.77	27.93	32.12	43.38	50.00	59.70	57.93	51.41	35.32	32.24	17.95
2010	23.58	19.33	27.15	32.15	38.42	55.64	60.45	56.51	52.17	37.34	26.09	23.06
2011	21.85	24.57	27.60	30.50	55.74	52.82	59.20	60.13	51.38	37.25	26.36	25.29
2012	23.61	24.58	36.59	41.66	51.83	61.31	61.40	51.80	M	M	M	M
2013	M	M	M	M	64.89	60.15	61.21	57.84	50.48	35.66	28.73	20.13
2014	22.73	25.67	27.38	35.45	46.75	55.64	61.03	54.47	52.04	41.75	28.37	28.09
2015	26.43	26.44	32.73	34.58	38.85	56.78	56.71	58.07	53.90	43.55	26.63	20.39
2016	22.65	25.64	27.38	33.83	40.74	57.89	60.68	55.75	51.05	43.26	31.65	17.01
2017	17.18	24.95	30.20	29.87	37.85	54.05	57.03	54.53	47.78	35.31	31.46	21.66
2018	21.40	17.76	24.05	30.56	44.05	55.40	60.28	55.49	51.71	32.78	21.42	17.44
2019	17.93	14.29	23.78	32.47	33.45	45.74	57.29	57.64	51.05	29.85	27.34	18.93
2020	17.13	17.04	25.58	30.14	42.16	51.74	58.91	59.73	47.80	39.64	26.90	18.38
2021	17.25	15.73	22.83	31.38	39.55	55.37	58.36	55.28	50.84	34.76	30.05	21.03
2022	20.03	15.54	22.45	28.70	37.78	52.07	57.32	55.78	51.77	36.44	19.94	17.13
2023	15.68	16.41	17.48	26.54	40.74	46.94	60.19	56.27	48.86	37.78	27.71	22.66
2024	18.97	20.21	23.90	32.09	35.63	54.23	57.17	55.17	50.30	43.00	22.61	24.83
2025	12.82	21.62	25.87	31.94	40.88	55.28	59.46	57.95	47.57	38.18	31.91	25.76
2026	20.36	25.35	35.77	32.60	41.49	56.33	60.86	60.16	51.64	M	M	M
NCEI Climatology	24.25	30.46	39.56	46.00	55.10	64.35	71.00	69.05	61.00	49.05	36.35	25.75

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
2005	M	M	M	M	34.4%	43.2%	15.4%	44.4%	38.7%	55.3%	49.8%	62.5%
2006	63.9%	48.7%	59.0%	48.3%	32.2%	31.8%	50.7%	56.7%	49.4%	71.7%	62.3%	65.5%
2007	65.3%	81.2%	70.0%	66.8%	60.3%	40.2%	51.2%	60.2%	54.8%	M	M	M
2008	87.8%	81.1%	72.7%	75.0%	52.3%	41.5%	44.1%	44.5%	M	40.8%	64.3%	83.9%
2009	70.5%	62.1%	53.9%	58.7%	53.1%	52.8%	36.1%	39.6%	56.9%	71.2%	63.3%	75.7%
2010	72.8%	86.5%	73.1%	71.7%	62.8%	47.8%	54.0%	63.7%	42.5%	66.8%	77.1%	83.4%
2011	83.8%	78.4%	74.8%	M	M	44.3%	61.0%	54.2%	59.6%	60.8%	69.8%	66.1%
2012	65.7%	76.7%	54.7%	57.9%	46.7%	29.6%	52.7%	M	M	M	M	M
2013	M	M	M	M	M	32.1%	51.3%	57.3%	72.0%	69.7%	75.6%	74.2%
2014	66.2%	78.5%	68.2%	70.9%	61.5%	39.4%	52.6%	68.1%	61.8%	63.8%	71.7%	75.3%
2015	75.2%	71.4%	60.7%	62.8%	81.4%	46.2%	63.6%	56.2%	52.9%	66.9%	69.4%	76.0%
2016	75.5%	67.6%	71.3%	75.9%	65.2%	43.5%	46.9%	57.7%	55.6%	60.0%	64.9%	80.5%
2017	86.4%	73.3%	79.5%	65.5%	64.2%	36.8%	52.7%	50.4%	58.1%	55.3%	58.3%	56.9%
2018	63.8%	79.0%	67.8%	63.5%	45.2%	32.5%	39.7%	47.0%	37.5%	80.4%	65.0%	76.0%
2019	80.0%	80.5%	78.6%	71.5%	71.5%	55.2%	45.7%	40.9%	46.6%	50.8%	56.2%	72.9%
2020	81.3%	69.5%	75.4%	61.5%	49.0%	42.0%	34.4%	30.8%	40.2%	40.2%	62.3%	65.3%
2021	71.3%	76.8%	70.4%	50.9%	52.9%	39.3%	49.6%	46.6%	45.7%	70.7%	60.6%	70.0%
2022	57.7%	62.6%	66.7%	56.8%	54.3%	43.7%	53.3%	55.4%	47.1%	59.5%	65.3%	78.7%
2023	83.8%	69.3%	77.0%	66.1%	58.6%	52.0%	36.6%	53.6%	49.1%	58.4%	59.9%	64.0%
2024	79.2%	74.3%	75.5%	62.4%	61.6%	48.4%	39.7%	57.1%	49.4%	50.2%	65.8%	55.9%
2025	65.7%	67.1%	66.9%	53.0%	51.9%	36.5%	36.7%	40.5%	58.2%	61.1%	58.6%	63.8%
2026	64.1%	63.9%	50.0%	59.9%	54.3%	28.1%	40.3%	40.3%	61.6%	M	M	M