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 (USC00259045) 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	M	2.02	1.58	1.20	0.82	0.52	0.15
2006	0.23	0.00	1.19	1.72	0.77	2.15	0.28	3.77	5.08	0.63	0.19	1.01
2007	0.10	0.31	2.11	3.16	2.59	2.06	1.08	8.10	2.93	4.48	0.04	0.45
2008	0.03	0.05	0.45	1.03	4.97	2.61	2.06	0.93	3.14	2.93	0.30	0.14
2009	0.03	0.21	0.38	1.07	0.33	4.46	1.03	2.14	1.24	1.83	0.25	0.04
2010	0.24	0.04	0.27	0.93	1.19	5.99	4.12	1.24	1.72	0.67	0.07	0.08
2011	0.17	0.23	0.06	1.74	4.50	2.81	1.55	2.06	0.44	0.97	0.02	0.15
2012	0.03	0.66	0.18	2.27	4.21	0.58	0.07	1.25	0.52	0.25	0.49	0.49
2013	0.02	0.01	0.68	2.24	3.74	1.49	0.41	4.48	1.02	1.35	M	M
2014	M	M	M	M	M	1.70	1.44	4.87	1.02	0.86	0.09	0.53
2015	0.09	M	0.59	1.59	1.91	5.11	3.01	3.46	5.75	0.49	1.37	0.93
2016	0.04	0.16	0.92	6.18	3.48	2.28	1.46	4.62	1.29	2.17	0.77	0.75
2017	0.33	0.04	0.88	3.14	3.19	1.08	0.81	8.13	2.21	3.10	0.09	M
2018	0.04	0.04	0.88	0.35	2.86	6.61	1.59	2.87	2.23	1.71	0.76	1.00
2019	M	0.22	2.15	4.31	5.46	2.11	2.71	1.66	2.42	0.04	0.01	0.80
2020	0.15	M	1.65	0.51	2.03	0.91	2.94	1.23	1.35	0.42	1.24	0.01
2021	0.30	M	3.31	1.60	1.50	1.66	1.29	2.69	1.39	2.50	0.08	0.12
2022	M	0.02	0.33	0.09	2.47	1.25	0.76	1.23	1.36	0.56	0.30	0.53
2023	0.15	0.57	0.28	0.27	1.86	4.72	2.72	1.66	3.35	3.08	0.03	0.15
2024	0.13	0.04	1.11	0.30	0.82	M	2.99	2.26	0.07	0.34	2.20	0.37
2025	0.03	M	0.86	1.05	2.13	6.20	6.29	M	M	M	M	M
NCEI Climatology	0.55	0.78	1.42	2.99	4.20	4.40	2.69	3.57	2.58	2.28	1.21	0.83

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	7.8	5.6	9.3	8.6	11.2	9.0
2006	10.2	9.6	11.8	11.8	12.2	8.1	7.2	6.8	7.9	8.2	7.7	8.7
2007	11.2	10.5	11.7	11.6	12.0	9.7	6.9	6.3	9.5	9.4	9.7	6.5
2008	9.1	9.6	9.6	13.0	10.9	8.4	7.2	6.5	8.2	9.2	10.7	11.5
2009	10.5	10.2	11.6	11.7	11.0	7.2	6.1	7.1	5.8	9.0	7.1	9.9
2010	7.0	7.1	9.0	9.2	9.9	8.1	6.7	7.1	7.9	6.8	10.3	9.7
2011	9.2	10.8	10.5	12.9	12.3	10.9	6.8	5.3	5.0	8.7	9.9	8.2
2012	10.1	9.4	10.7	11.5	11.6	10.2	6.9	7.3	6.6	10.7	8.6	8.2
2013	8.7	10.7	10.5	11.3	11.3	9.7	6.6	6.0	8.4	7.7	M	M
2014	M	M	M	M	M	9.5	7.5	5.5	7.3	8.2	12.2	10.8
2015	10.9	11.0	9.7	11.1	10.8	7.0	6.3	7.0	8.7	8.3	9.7	10.0
2016	9.4	10.8	10.8	13.2	9.3	8.9	6.9	6.5	8.4	8.2	8.7	10.7
2017	9.3	10.1	11.6	10.1	9.6	9.3	6.2	5.8	8.1	9.8	8.9	9.8
2018	10.2	9.6	11.0	11.3	8.0	10.1	6.1	6.2	8.6	8.3	8.9	8.3
2019	10.1	10.4	10.6	11.1	9.7	8.0	7.1	5.9	8.3	10.7	9.2	8.3
2020	9.4	10.0	11.2	10.2	9.6	12.3	6.9	7.2	8.6	9.2	9.7	9.1
2021	9.3	7.7	11.2	11.3	10.1	7.5	6.3	7.5	7.1	8.6	9.6	9.9
2022	11.3	11.8	12.0	13.6	10.8	9.7	7.5	6.9	8.0	8.7	11.3	11.9
2023	8.3	9.7	11.6	14.2	9.2	6.4	5.4	6.1	6.8	9.2	7.7	6.7
2024	8.5	5.8	5.5	3.4	5.4	0.0	3.6	6.2	7.2	9.3	8.9	9.2
2025	10.4	10.4	12.4	11.8	9.0	9.4	7.2	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	M	M	87.46	82.40	82.16	66.08	50.84	29.45
2006	44.95	36.89	44.72	64.82	74.56	83.78	88.61	81.24	70.22	59.29	47.72	39.43
2007	30.90	26.14	53.02	57.92	74.85	81.32	85.59	80.95	75.38	64.69	49.10	27.35
2008	26.54	28.90	42.57	55.82	68.00	80.48	83.91	84.55	76.64	61.61	45.14	27.24
2009	29.85	36.89	45.65	57.68	74.21	77.90	80.25	79.09	74.12	51.20	55.48	25.91
2010	21.64	25.78	47.74	67.17	72.09	83.31	84.93	85.20	76.84	69.05	47.91	30.50
2011	24.30	33.54	44.99	57.80	70.21	80.66	88.09	82.05	72.98	67.36	49.88	37.92
2012	40.05	39.24	67.68	67.50	78.83	86.35	95.23	86.88	81.41	60.41	50.97	36.52
2013	32.13	36.44	40.90	55.14	70.37	79.01	84.01	81.34	81.63	76.50	M	M
2014	M	M	M	M	M	83.54	81.56	80.07	74.95	66.33	41.47	34.42
2015	33.99	31.94	58.17	65.16	69.45	79.71	84.09	80.75	78.02	66.40	51.34	36.97
2016	29.28	38.88	55.21	61.38	71.54	85.82	84.18	82.24	77.31	65.49	55.24	33.20
2017	31.18	44.98	50.51	60.43	70.80	85.07	87.87	78.00	77.22	62.53	50.59	34.37
2018	30.65	27.72	45.51	53.16	76.70	83.55	83.88	81.44	74.68	57.66	40.93	33.63
2019	29.06	21.10	40.48	60.84	65.52	80.00	83.24	78.66	78.76	55.66	44.51	36.02
2020	30.40	38.83	49.53	61.45	67.46	88.85	86.65	85.85	77.14	58.18	53.40	41.05
2021	33.61	21.96	54.84	62.42	71.01	89.24	84.82	86.42	81.48	66.68	53.30	42.15
2022	36.84	39.72	50.08	55.26	76.47	87.39	89.36	87.73	82.75	67.56	47.09	29.09
2023	30.13	36.67	42.36	63.15	77.82	84.58	84.29	85.15	82.00	61.83	52.07	41.56
2024	21.39	39.07	43.00	54.77	75.69	M	83.01	80.02	83.56	72.34	49.69	39.49
2025	32.45	31.96	57.27	63.90	73.62	84.13	83.65	M	M	M	M	M
NCEI Climatology	30.20	35.17	47.40	60.11	71.00	81.19	85.10	82.79	75.90	62.50	47.00	34.10

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	64.14	58.59	53.06	37.46	24.92	13.59
2006	22.42	12.33	24.92	38.90	48.20	57.50	62.72	59.99	47.00	34.15	22.22	18.76
2007	10.40	11.04	31.48	34.58	50.99	54.38	61.90	63.01	48.92	41.41	23.66	10.69
2008	5.99	10.15	22.83	32.00	43.67	56.48	61.61	58.48	50.06	37.34	25.76	6.57
2009	7.55	17.02	24.16	34.28	47.04	56.96	55.98	56.10	49.16	34.39	28.71	9.29
2010	6.70	10.02	29.52	39.28	45.13	60.42	63.76	62.98	49.26	36.78	24.55	12.33
2011	6.15	13.74	25.11	35.84	47.39	58.82	69.34	60.86	43.58	38.97	24.32	16.44
2012	15.99	17.70	37.45	39.95	51.59	61.18	66.53	58.09	45.47	34.54	25.92	15.68
2013	12.66	15.19	21.30	31.57	48.07	58.45	59.25	62.33	56.08	51.53	M	M
2014	M	M	M	M	M	65.84	58.71	62.41	50.25	37.96	19.79	19.96
2015	13.82	7.24	23.68	37.55	47.43	58.61	62.30	59.06	56.38	40.48	29.97	21.12
2016	13.61	21.72	28.27	38.95	46.76	61.48	63.05	61.29	54.46	39.79	30.68	11.99
2017	15.90	21.73	28.72	37.52	45.69	58.38	64.21	56.62	53.08	38.59	23.84	12.72
2018	8.47	8.43	28.22	27.94	53.36	63.81	62.04	60.54	54.71	34.61	18.91	15.35
2019	17.07	10.24	22.52	35.67	44.74	58.12	63.73	60.17	57.77	33.13	21.26	17.36
2020	14.86	14.92	28.92	31.64	48.23	65.77	63.78	59.87	49.04	32.68	27.26	16.74
2021	19.72	4.59	29.85	35.87	47.95	60.81	62.26	61.36	52.19	40.25	29.08	18.95
2022	6.88	9.16	22.36	27.29	50.81	59.20	64.15	60.24	51.66	35.02	20.92	11.65
2023	14.31	17.48	23.29	34.16	51.44	58.74	61.25	61.60	54.52	40.34	25.15	21.67
2024	6.70	25.62	26.77	40.73	48.29	M	64.00	62.26	52.67	39.53	27.56	19.00
2025	9.76	8.16	27.83	36.11	46.13	60.07	64.93	M	M	M	M	M
NCEI Climatology	10.79	14.66	24.39	35.31	47.81	59.00	63.40	60.79	51.39	38.30	25.30	15.31

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	M	M	75.80	70.50	67.61	51.77	37.88	21.52
2006	33.68	24.61	34.82	51.86	61.38	70.64	75.66	70.61	58.61	46.72	34.97	29.10
2007	20.65	18.59	42.25	46.25	62.92	67.85	73.75	71.98	62.15	53.05	36.38	19.02
2008	16.26	19.52	32.70	43.91	55.84	68.48	72.76	71.51	63.35	49.48	35.45	16.90
2009	18.70	26.95	34.90	45.98	60.63	67.43	68.12	67.59	61.64	42.80	42.09	17.60
2010	14.17	17.90	38.63	53.23	58.61	71.87	74.35	74.09	63.05	52.92	36.23	21.42
2011	15.22	23.64	35.05	46.82	58.80	69.74	78.71	71.45	58.28	53.16	37.10	27.18
2012	28.02	28.47	52.57	53.72	65.21	73.77	80.88	72.49	63.44	47.47	38.45	26.10
2013	22.39	25.82	31.10	43.35	59.22	68.73	71.63	71.84	68.86	64.02	M	M
2014	M	M	M	M	M	74.69	70.14	71.24	62.60	52.15	30.63	27.19
2015	23.90	19.59	40.92	51.35	58.44	69.16	73.19	69.91	67.20	53.44	40.66	29.05
2016	21.45	30.30	41.74	50.17	59.15	73.65	73.62	71.76	65.88	52.64	42.96	22.59
2017	23.54	33.35	39.62	48.98	58.25	71.73	76.04	67.31	65.15	50.56	37.21	23.54
2018	19.56	18.08	36.86	40.55	65.03	73.68	72.96	70.99	64.70	46.14	29.92	24.49
2019	23.06	15.67	31.50	48.25	55.13	69.06	73.48	69.42	68.26	44.40	32.89	26.69
2020	22.63	26.88	39.22	46.55	57.85	77.31	75.22	72.86	63.09	45.43	40.33	28.90
2021	26.66	13.27	42.35	49.14	59.48	75.03	73.54	73.89	66.83	53.47	41.19	30.55
2022	21.86	24.44	36.22	41.28	63.64	73.29	76.75	73.99	67.21	51.29	34.01	20.37
2023	22.22	27.08	32.83	48.65	64.63	71.66	72.77	73.37	68.26	51.09	38.61	31.62
2024	14.04	32.35	34.89	47.75	61.99	M	73.51	71.14	68.12	55.94	38.62	29.25
2025	21.10	20.06	42.55	50.00	59.87	72.10	74.29	M	M	M	M	M
NCEI Climatology	20.50	24.91	35.90	47.71	59.40	70.10	74.25	71.79	63.65	50.40	36.15	24.70

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	M	M	72.0%	78.3%	67.9%	70.9%	71.2%	85.3%
2006	78.3%	70.9%	78.0%	68.3%	59.6%	62.3%	64.8%	79.7%	75.8%	71.1%	74.3%	74.7%
2007	80.5%	81.8%	79.9%	68.5%	65.2%	67.4%	71.6%	85.4%	74.7%	73.4%	64.3%	87.2%
2008	81.3%	84.3%	78.2%	68.5%	67.5%	66.3%	75.9%	68.0%	72.0%	73.0%	77.5%	79.3%
2009	77.2%	73.3%	75.5%	65.9%	57.5%	70.9%	74.2%	77.5%	77.4%	81.4%	74.5%	84.1%
2010	84.4%	85.6%	78.0%	60.6%	60.8%	67.0%	76.9%	77.7%	72.1%	59.2%	68.3%	80.0%
2011	79.9%	75.1%	77.9%	69.7%	61.9%	66.4%	75.8%	77.9%	69.2%	61.8%	63.5%	80.7%
2012	67.8%	79.6%	66.9%	59.5%	59.8%	61.8%	59.7%	68.8%	54.6%	65.1%	69.3%	76.0%
2013	78.3%	78.7%	75.6%	69.0%	69.8%	70.7%	72.0%	82.5%	67.9%	74.9%	M	M
2014	M	M	M	M	M	74.0%	75.7%	84.4%	79.1%	65.8%	68.8%	82.0%
2015	75.7%	70.0%	55.3%	58.8%	73.5%	76.9%	78.6%	79.1%	78.4%	66.8%	76.2%	84.0%
2016	82.3%	79.3%	69.8%	69.1%	68.4%	67.3%	79.0%	81.1%	77.8%	80.1%	77.7%	74.3%
2017	81.8%	75.9%	70.7%	77.6%	70.4%	64.0%	81.0%	84.4%	78.1%	67.2%	66.0%	68.5%
2018	79.9%	79.1%	82.8%	70.3%	75.1%	80.0%	83.9%	88.9%	79.5%	67.8%	69.3%	79.1%
2019	69.6%	67.7%	68.3%	61.9%	73.6%	68.2%	76.8%	80.9%	78.4%	69.5%	73.9%	81.0%
2020	81.3%	72.8%	74.1%	60.7%	70.4%	58.1%	77.0%	76.1%	66.6%	65.6%	70.9%	71.8%
2021	82.8%	75.2%	70.9%	60.7%	66.8%	58.6%	77.6%	75.2%	72.0%	72.7%	65.6%	68.1%
2022	63.6%	54.0%	59.6%	52.6%	61.8%	59.4%	69.2%	71.9%	63.4%	53.9%	66.3%	77.5%
2023	84.0%	77.5%	76.7%	53.9%	59.0%	67.7%	76.2%	77.6%	70.5%	71.5%	66.8%	76.9%
2024	79.4%	68.7%	63.6%	57.7%	60.0%	M	79.6%	80.2%	65.1%	56.0%	77.5%	75.3%
2025	67.8%	67.2%	64.0%	59.8%	61.6%	70.4%	81.8%	M	M	M	M	M