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 (USC00437032) 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
2008	M	M	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	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	0.00	0.00	0.00	0.00	0.00
2013	0.00	0.00	0.00	0.00	0.00	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	0.00
2020	0.00	0.00	0.00	0.00	0.00	M	M	M	M	0.00	0.00	0.00
2021	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2022	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2023	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2024	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2025	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2026	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M
NCEI Climatology	2.12	1.93	2.63	3.23	3.24	4.11	4.10	3.74	3.93	3.86	2.86	2.62

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2008	M	M	6.5	5.5	4.6	3.5	3.5	3.0	3.9	4.3	5.4	6.5
2009	4.3	5.6	5.1	6.3	5.4	3.8	3.8	3.7	3.9	3.7	3.5	4.5
2010	4.2	4.4	5.3	5.1	4.7	3.6	3.3	3.6	4.4	4.2	6.2	5.7
2011	4.7	6.3	6.7	7.1	6.2	5.6	3.8	4.1	3.5	4.2	5.4	5.1
2012	5.0	4.0	5.1	5.4	4.6	4.5	3.3	3.5	4.7	4.4	4.4	5.1
2013	5.8	4.6	5.0	7.0	5.4	3.6	3.2	3.4	4.0	4.3	6.6	3.4
2014	6.1	5.1	6.2	6.1	5.0	4.2	4.0	3.4	4.2	5.2	6.4	3.1
2015	5.1	4.6	4.8	6.0	5.1	4.1	3.4	3.2	3.6	4.9	5.3	3.9
2016	4.9	5.2	5.2	5.6	4.5	4.7	3.7	4.4	3.5	4.4	3.7	5.3
2017	5.0	4.6	5.7	5.5	5.2	4.4	3.4	3.4	2.5	5.5	5.8	3.8
2018	5.0	5.5	4.7	5.2	5.6	4.2	4.0	3.6	4.5	4.5	4.2	3.8
2019	4.6	4.5	4.8	5.6	3.8	3.9	3.1	3.1	3.8	4.3	4.7	5.0
2020	3.1	4.7	6.1	6.4	4.9	3.8	3.7	3.2	4.4	4.7	5.8	5.8
2021	3.0	3.8	6.4	4.4	3.9	4.9	3.3	3.3	4.3	0.4	3.9	5.2
2022	4.5	5.9	4.9	5.3	4.6	4.4	3.5	2.9	3.0	3.9	5.3	5.7
2023	3.3	5.3	4.3	3.3	0.0	0.0	M	3.6	2.0	4.0	5.3	3.5
2024	4.4	5.3	5.2	6.5	4.4	3.4	M	M	2.7	4.1	5.0	4.7
2025	5.6	4.9	6.7	5.6	4.2	4.8	3.5	3.6	2.8	4.1	5.8	5.7
2026	4.7	3.4	5.4	5.8	4.8	3.0	3.2	3.2	4.6	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
2008	M	M	33.05	59.06	66.26	69.20	77.36	75.90	70.82	54.97	43.88	31.36
2009	19.69	29.30	38.85	55.33	63.18	71.12	74.00	76.07	67.10	49.83	47.18	29.21
2010	27.47	29.56	45.82	60.08	72.01	73.22	82.92	79.61	70.88	55.75	44.48	29.21
2011	24.16	30.01	44.08	58.53	68.12	76.70	84.14	80.14	72.44	58.83	51.62	35.04
2012	30.69	33.34	48.89	57.30	68.40	76.29	81.87	80.99	70.15	59.37	41.61	33.77
2013	28.64	27.94	39.80	55.18	73.61	75.64	84.39	78.86	58.12	61.00	44.79	30.23
2014	27.93	30.43	34.17	57.46	71.25	80.11	78.36	76.44	70.89	58.81	42.39	33.10
2015	23.50	16.03	33.67	52.77	73.71	71.58	79.37	79.15	75.78	54.94	48.83	43.07
2016	30.03	32.78	43.11	49.63	69.36	75.61	80.70	81.04	74.04	56.89	46.52	33.53
2017	32.95	34.72	32.83	56.04	64.51	73.99	77.19	77.17	74.08	66.09	43.80	25.28
2018	25.75	37.15	35.93	47.15	71.76	76.04	85.20	82.05	72.83	52.31	37.09	33.21
2019	21.28	25.80	37.30	50.80	58.08	77.83	86.75	80.98	72.00	61.97	40.56	35.39
2020	33.29	33.89	45.81	53.32	69.35	80.82	86.61	79.53	70.92	56.61	51.35	36.94
2021	27.87	29.19	45.21	58.39	69.50	81.93	77.79	83.45	72.98	59.54	45.44	37.45
2022	23.22	32.23	42.85	54.93	73.82	76.00	82.73	81.61	70.16	63.25	49.67	37.22
2023	33.48	34.65	39.77	61.85	M	M	69.00	76.57	74.53	62.33	43.18	38.55
2024	31.34	37.09	45.35	55.94	71.90	76.24	M	M	75.96	58.90	44.88	33.42
2025	26.65	27.84	46.18	55.90	66.60	79.11	82.95	80.41	74.14	61.62	42.73	30.46
2026	25.42	27.71	42.48	56.50	65.52	77.54	83.83	80.06	75.69	M	M	M
NCEI Climatology	25.10	28.61	36.80	52.01	65.70	74.40	79.41	77.21	69.41	56.10	44.00	32.29

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2008	M	M	19.40	36.68	42.86	65.00	62.42	58.13	51.20	39.32	31.88	14.52
2009	2.21	12.20	20.85	34.77	43.96	51.86	57.08	57.37	46.16	35.83	31.10	18.41
2010	14.41	20.49	28.81	37.82	47.10	54.86	63.35	59.46	53.00	39.03	30.44	18.18
2011	9.82	11.75	22.01	37.71	50.06	55.76	61.67	59.70	54.56	42.74	34.88	21.45
2012	11.18	16.65	31.05	34.69	51.23	55.27	59.01	59.99	49.27	41.85	24.90	20.98
2013	9.82	13.07	25.20	34.84	49.90	56.56	64.03	59.25	49.62	44.11	30.12	15.06
2014	11.13	13.59	14.15	35.13	50.33	58.55	59.98	57.05	49.32	44.08	30.21	20.97
2015	2.60	-5.10	16.53	32.83	49.22	54.33	59.32	60.38	53.92	35.75	32.57	30.54
2016	12.75	13.78	24.57	28.46	44.83	54.65	58.98	61.32	51.84	41.43	31.90	20.32
2017	20.73	18.44	16.09	37.69	45.48	55.20	58.90	56.70	51.98	46.86	25.42	10.96
2018	7.96	17.59	21.53	30.22	47.43	52.87	62.10	62.18	53.15	38.15	25.34	15.80
2019	10.24	13.33	20.49	33.39	42.61	55.89	63.69	59.51	52.13	43.04	25.11	20.84
2020	18.32	15.32	28.79	34.77	46.94	57.91	65.75	59.05	49.54	39.50	35.17	23.93
2021	14.59	11.44	23.49	37.35	46.48	60.54	60.02	64.78	54.58	50.48	29.42	21.92
2022	-1.31	10.76	25.01	35.39	48.88	54.98	61.45	61.11	52.05	40.32	34.48	24.17
2023	22.05	14.12	25.26	37.68	M	M	69.00	59.69	54.70	47.58	29.94	27.19
2024	19.59	19.72	28.95	36.65	52.35	54.96	M	M	57.47	39.90	31.05	21.10
2025	12.62	10.83	26.79	35.31	49.11	58.25	63.86	57.79	51.33	43.07	35.18	12.46
2026	10.74	6.71	24.87	36.40	46.77	58.31	67.00	61.20	59.40	M	M	M
NCEI Climatology	8.20	10.53	20.00	33.40	46.20	55.79	60.89	58.90	51.00	39.70	29.50	17.80

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2008	M	M	26.23	47.87	54.56	67.10	69.89	67.01	61.01	47.14	37.88	22.94
2009	10.95	20.75	29.85	45.05	53.57	61.49	65.54	66.72	56.63	42.83	39.14	23.81
2010	20.94	25.03	37.31	48.95	59.55	64.04	73.14	69.54	61.94	47.39	37.46	23.70
2011	16.99	20.88	33.05	48.12	59.09	66.23	72.91	69.92	63.50	50.78	43.25	28.25
2012	20.94	25.00	39.97	45.99	59.81	65.78	70.44	70.49	59.71	50.61	33.26	27.38
2013	19.23	20.50	32.50	45.01	61.76	66.10	74.21	69.05	53.87	52.55	37.46	22.64
2014	19.53	22.01	24.16	46.29	60.79	69.33	69.17	66.75	60.10	51.45	36.30	27.04
2015	13.05	5.47	25.10	42.80	61.46	62.95	69.35	69.77	64.85	45.34	40.70	36.80
2016	21.39	23.28	33.84	39.04	57.10	65.13	69.84	71.18	62.94	49.16	39.21	26.93
2017	26.84	26.58	24.46	46.86	55.00	64.59	68.05	66.93	63.03	56.47	34.61	18.12
2018	16.86	27.37	28.73	38.69	59.60	64.46	73.65	72.12	62.99	45.23	31.22	24.50
2019	15.76	19.56	28.90	42.10	50.35	66.86	75.22	70.25	62.06	52.50	32.83	28.11
2020	25.80	24.61	37.30	44.04	58.14	69.36	76.18	69.29	60.23	48.06	43.26	30.43
2021	21.23	20.31	34.35	47.87	57.99	71.23	68.90	74.12	63.78	55.01	37.43	29.68
2022	10.95	21.49	33.93	45.16	61.35	65.49	72.09	71.36	61.11	51.79	42.07	30.69
2023	27.76	24.39	32.52	49.76	M	M	69.00	68.13	64.62	54.96	36.56	32.87
2024	25.46	28.41	37.15	46.30	62.13	65.60	M	M	66.72	49.40	37.97	27.26
2025	19.63	19.33	36.48	45.61	57.86	68.68	73.40	69.10	62.73	52.34	38.96	21.46
2026	18.08	17.21	33.68	46.45	56.15	67.92	75.42	70.53	67.54	M	M	M
NCEI Climatology	16.65	19.57	28.40	42.70	55.95	65.10	70.15	68.05	60.20	47.90	36.75	25.05

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
2008	M	M	62.5%	61.8%	60.2%	84.8%	77.0%	76.3%	75.9%	74.3%	74.7%	72.6%
2009	72.8%	69.5%	65.3%	63.1%	64.6%	73.2%	75.3%	75.9%	80.0%	83.3%	83.4%	83.0%
2010	84.7%	80.0%	72.7%	68.5%	65.0%	83.2%	75.9%	72.5%	72.2%	71.1%	72.0%	77.5%
2011	75.7%	67.5%	67.5%	66.8%	73.5%	68.1%	67.0%	74.6%	84.2%	78.6%	73.8%	78.1%
2012	73.2%	71.0%	64.5%	59.9%	68.6%	67.1%	67.0%	67.8%	71.5%	75.9%	71.0%	80.2%
2013	69.8%	70.6%	66.0%	53.4%	60.1%	70.5%	69.1%	68.1%	78.6%	68.9%	62.7%	74.3%
2014	61.4%	62.1%	57.4%	58.1%	62.4%	65.2%	72.6%	77.0%	76.5%	76.7%	67.5%	80.4%
2015	67.4%	66.9%	61.0%	63.4%	60.9%	78.5%	75.7%	76.2%	77.3%	72.9%	71.7%	80.6%
2016	70.8%	72.1%	67.3%	57.2%	63.4%	67.3%	73.7%	75.4%	78.0%	79.3%	81.0%	74.4%
2017	76.4%	73.2%	68.4%	72.2%	73.5%	75.7%	79.5%	77.8%	83.0%	73.2%	72.7%	76.4%
2018	74.3%	74.4%	76.1%	70.3%	62.2%	69.0%	69.7%	78.1%	79.1%	80.4%	81.4%	81.7%
2019	76.2%	70.9%	66.2%	71.8%	74.6%	65.3%	70.3%	73.7%	77.0%	77.3%	72.3%	74.3%
2020	79.7%	71.4%	64.7%	55.9%	54.2%	66.9%	69.6%	71.8%	69.6%	68.1%	62.8%	67.7%
2021	74.1%	65.6%	50.7%	57.8%	52.0%	57.8%	78.8%	78.0%	77.7%	91.9%	75.6%	74.4%
2022	68.4%	68.0%	70.9%	63.3%	63.3%	73.2%	71.5%	80.3%	83.2%	72.2%	69.5%	74.5%
2023	85.3%	70.2%	71.6%	54.8%	M	M	M	83.2%	83.8%	80.4%	70.8%	83.5%
2024	77.9%	68.5%	69.5%	67.0%	70.8%	69.6%	M	M	81.0%	70.0%	73.3%	77.2%
2025	67.1%	68.2%	63.5%	62.6%	74.9%	66.1%	72.1%	67.7%	73.6%	72.2%	73.2%	69.0%
2026	70.0%	67.7%	65.4%	65.1%	64.4%	73.4%	70.5%	73.4%	75.1%	M	M	M